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631	Environmental Engineering	ABS-684
SEA CUCUMBER ECOLOGY HOLOTHUROIDEA STUDIES IN THE SANCANG MARINE PRESERVE A Rohayat, S Destiani, S Nurjaman, C Ardiana and I Nawawi Prodi Pendidikan Biologi, Institut Pendidikan Indonesia Garut Abstract This research is titled: Sea Cucumber Ecology Holothuroidea Studies in The Sancang Marine Preserve. Aims to analyze the kelp, diversity, evenness, dominance, food charateristics, habitat and physical and chemical parameters of Holothuroidea in the Sancang marine preserve. The method used in this research is descriptive method with sampling method using purposive sampling, the method is assisted by using the help of lie transects, quadratic transect to help analyze the ecology of Holothuroidea. The population in the study was 920 meters, samples were taken 276 meters from the population. Sampling is done dividing the study area into three observation stations. Each statio is divided into three observation points. Station I, II, III, each placed with squares of sample size 1x1 meters totaling 30 samples. Based on field observations, Holothuroidea species exiting in the Cikabodasan Sancang beach there are found as many as 3 species including : Holothuria atra, Holothuria leucospilota and Holothuria scabra. Based on the results of the analysis of the Holothuroidea ecological index calculation at the Cikabodasan Sancang beach, the index value is obtained as follows: abudance index namely Holothuria atra dan Holothuria scabra 16% which shows the abudance index according to adequate category, whereas in Holothuria leucospilota shows that the abudance index is in the very many categories, the diversity index ranges from 0,9 to 0,13 which shows that diversity is in the low category, Evennes indx ranges from 0,75-1,00 which shows that evenness of Holothuroidea is spread and the equity is in a stable condition, the dominance index ranges from 0,02 to 0,53 which shows that there are no dominant species . Food characteristics in the sea cucumber’s stomach are detritus, algae litter, and decapoda. Substrate in the Holothuroidea environmental habitat, namely at station I rough sand, station II medium sand, station III fine sand. The results of the analysis of the measurement of the physical and chemical parameters of the waters show that these values are still within the range of normal and stable conditions so that they support the life of sea cucumbers (Holothuroidea). Keywords: Ecology index, Holothuroidea, CAL Sancang Share Link | Plain Format | Corresponding Author (Asep Rohayat)

632	Environmental Engineering	ABS-940
Development of Android-based Mobile Learning Modules on the Immune System for MAN 9 Jakarta Ratna Dewi Wulaningsih, Rusdi, Diah Erawati Department of Biology Education, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta Abstract The 21st century is characterized by the use of technology in learning. One example is the use of smartphones as learning media in the form of Cellular Learning Modules which are expected to make it easier for students to learn biology material. This study aims to develop biology learning media in the form of Android-based mobile learning modules on the immune system material. The research method used is research and development (R&D). Research procedures include concepts, design, material collection, product manufacture, product testing, and distribution. The study was conducted at MAN 9 Jakarta. The research involved media experts, material experts, students, and biology teachers. Data analysis using Kolmogorov Smirnov, statistical tests using paired sample t-test. The results showed that the Android-based mobile learning module for the human immune system material was rated with an average score of 91.4%. The average pre-test and post-test scores were 57 and 78.8. The conclusion of this study shows that this Android-based mobile learning module has fulfilled the requirements as a learning medium and can improve student learning outcomes on the immune system material. Keywords: Module Mobile Learning, Android, R&D Share Link | Plain Format | Corresponding Author (Ratna Dewi Wulaningsih)

633	Environmental Engineering	ABS-941
Organic Pollution Detection Based on Protozoa Saprobity Index at Bojonegara Environment Banten Bay Ratna Komala and Dewi Nurfitriana Department of Biology , Faculty of Mathematics and Natural Science, Universitas Negeri Jakarta , Indonesia Abstract The study was conducted to analyze organic pollution based on protozoa saprobity index and to analyze some environmental parameters that affect the protozoan population in the waters of Bojonegara Banten Bay . Descriptive method with survey techniques used in this study, consisting of 3 observation stations determined based on the presence of different industrial activities. Data were analyzed through calculation of the saprobic index, diversity index and abundance, while the analysis of the relationship of several environmental parameters using the PCA (Principal Component Analysis) program. The results showed that 12 genera of Protozoa were identified with a total of 93 individuals. The waters of Bojonegoro, Banten Bay are already polluted organically with moderate pollution criteria (Beta-meso saprobik) with saprobic index values ranging from 2.30 -2.47, while the environmental parameters that most influence on organic pollution are temperature, pH, turbidity and Biologycal oxygen demand (BOD) ) Keywords: Organic pollution, Saprobity index, Banten Bay Share Link | Plain Format | Corresponding Author (Ratna Komala)

634	Environmental Engineering	ABS-942
The Application of Liquid Organic Fertilizer Kipait (Tithonia diversifolia) on the growth Pakcoy plants (Brassica rapa L) with the floating raft hydroponic system and population of Spodoptera litura F. Ida Yusidah, Ahmad Taofik, Andi Gunawan Agroteknologi, UIN SGD Bandung Abstract Pakcoy cultivation can be done with a hydroponic system. One of the main obstacles that inhibits production both in quality and quantity is the presence of pests, one of which is Spodoptera litura F attack. The control has be done but almost using synthetic pesticides. It is more practice to controlling the attack of plant-disturbing organisms, however can cause negative impact. So it needs alternative environmentally friendly controls. One of them is by using weed plants such as kipait which are reported to have the potential to reduce damage by plant-disturbing organisms. The research was carried out in the greenhouse of the Experimental Garden of Padjadjaran University, Ciparanje, Jatinangor, Sumedang Regency, West Java. Research time is August 2019 - September 2019. The research method used is using a completely randomized design (CRD) method with 5 treatments consisting of A = AB mix fertilizer, B = liquid organic fertilizer, C = AB mix fertilizer + Spodoptera litura F, D = Liquid organic fertilizer + Spodoptera litura F, and E = Liquid organic fertilizer + Spodoptera litura F + POC Spray. The results showed that there was no effect of Liquid Organic Kipait Fertilizer (Tithonia diversifolia) on the growth of pakcoy plants, but liquid Kipait organic fertilizer was able to suppress the population of Spodoptera litura. F and able to reduce the intensity of damage Pakcoy plants. Keywords: Hydroponics, Liquid organic fertilizer kipait, S. litura F, Pakcoy Plants Share Link | Plain Format | Corresponding Author (Ida Yusidah)

635	Environmental Engineering	ABS-948
Model of Ecolabel in Environmental Conservation Desy Safitri (a*), Arita Marini (b), Haswan Yunaz (c), ZE Ferdi Fauzan Putra (d), Sri Nuraini (e), Taufik Rihatno (e), Nurzengky Ibrahim (a) a) Faculty of Social Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia *desysafitri[at]unj.ac.id b) Faculty of Education, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia c)Institut Bisnis dan Informatika Kosgoro 1957, Jalan M Kahfi II No: 33, Lenteng Agung Jakarta Selatan, DKI Jakarta, Indonesia d) Faculty of Engineering, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia e) Faculty of Sport Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No. 1, East Jakarta, Indonesia Abstract The aim of this study is to propose ecolabel model in Jakarta. This survey study distributed the questionnaires to 757 consumers in Jakarta in Indonesia using Structural Equation Modeling (SEM). The research found that model suggested was good fit for the data. The result of study shows that environmentally informative instrument, environmentally friendly label, and environmental protection were positively associated with ecotourism. providing accessible message to consumer about the environmental attributes of the product, giving the consumer knowledge about the production standards of the product, and transmitting green product messages have positive correlation with environmentally informative instrument. Indicating the products coming from environmentally friendly substances, communicating a sense of environmental consideration on the part of the manufacturer to consumer, and arousing consumer interest to purchase environmentally friendly products are positively related to environmentally friendly label. Assisting to diminish the volume and toxicity of pollutants, encouraging consumer awareness development about product impact on the environment, and driving ecologically conscious consumer behavior are predictors of environmental protection. The conclusion of this study is that ecolabel model suggested can be used in Jakarta in order to have environmental conservation. Keywords: Ecolabel model; Environmental conservation; Environmental protection Share Link | Plain Format | Corresponding Author (ARITA MARINI)

636	Environmental Engineering	ABS-182
LIQUID ORGANIC FERTILIZER AND TYPES OF ORGANIC MULCH TOWARD PHOTOSYNTHESIS TRANSLOCATION OF GREEN BEANS (Phaseolus vulgaris L.) Anna Aina Roosda*, Toni Ramdhani, Suryaman Birnadi Department of Agrotechnology, Faculty of Science and Technology, Universitas Islam Negeri Sunan Gunung Djati Jl. A.H. Nasution No. 105, Bandung *a.roosda[at]uinsgd.ac.id Abstract Green bean productivity is closely related to the accumulation of photosynthesis translocation. Organic base matter for fertilizer and mulch provide eco-friendly system to support plant productivity. Liquid organic fertilizer and types of organic mulch serve the optimum condition for growing environment of green beans. This study aimed to determine the concentrations of liquid organic fertilizer and types of organic mulch toward biomass addition in green beans. The experiment was conducted on Andisol soil in Cisalak, Subang West Java from January to March 2018. A factorial randomized block design was used to arrange the first factors i.e. 0 ml l-1, 1 ml l-1, 2 ml l-1, and 3 ml l-1 liquid organic fertilizer and the second factors i.e. without mulch, paddy straw mulch, and reeds mulch. The results obtain no interaction between liquid organic fertilizer and types of organic mulch for numbers of pod per plant, pods weight per plant, dry stover weight, shoot root ratio and harvest index. Liquid organic fertilization in 2 ml and paddy straw mulch, independently, gave the best recommendation to increase green bean productivity. Keywords: biomass, green beans, liquid organic fertilizer, organic mulch Share Link | Plain Format | Corresponding Author (Anna Aina Roosda)

637	Environmental Engineering	ABS-452
Identification of the impact of vegetation cover changes and the development of urban areas on Urban Heat Island Using GIS and Remote Sensing, a case studies of Sleman Regency, Province of Yogyakarta Bayu Elwantyo Bagus Dewantoro (a*), Mohammad Abdul Khafid (b), Arya Dipa Aristo Putra (b), Aditya Pandu Wicaksono (b), Firstyananda Wahyu Andita (c) a) Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia. *bayuelwantyo[at]mail.ugm.ac.id b) Department of Environmental Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta, Indonesia. c) Department of Chemical Engineering, Faculty of Industrial Engineering, Universitas Pembangunan Nasional Veteran Yogyakarta, Yogyakarta, Indonesia. Abstract The phenomenon of urban area development both physically and socially as the center of government in Sleman can indirectly cause an impact on the atmosphere. One of the impacts of the atmospheric change, the urban heat island, which is influenced by the physical and social development activities, is expanding. The research focuses on the study of surface urban heat island (SUHI) aimed at knowing the spatial distribution of the UHI intensity in Sleman Regency. The methods used in this research are the integration of remote sensing techniques and geographic information systems (GIS) using thermal bands of Landsat 8 OLI/TIRS and image statistical analysis using Buffer Boundary Analysis to identify the potential occurrence of SUHI in Sleman. The result of the processing shows the potential of high-intensity SUHI with a value of 2,001 °C-6,000 °C at a radius of 5,5 km from the city center and the intensity is getting down as the radius goes further from the city center. Administratively, the highest SUHI intensity relative to the district of Depok, Kalasan, and Ngemplak with SUHI intensity range of 1,5001 ° C – 6,000 °C, while the lowest SUHI intensity is relative to Kaliurang with SUHI intensity range of-10,000 °C – 0,000 °C Keywords: Urban Heat Island; GIS: Remote Sensing; Sleman Regency Share Link | Plain Format | Corresponding Author (Mohammad Abdul Khafid)

638	Environmental Engineering	ABS-709
THE EFFECT OF PHOTOPERIODICITY VARIATIONS ON THE GROWTH OF Chlamydomonas WHICH IS GROWN IN BASAL BOLD MEDIUM Nining Betawati Prihantini1*, Nelly Sari1, Wisnu Wardhana1, Dalia Sukmawati2 1Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia, Kampus UI, Depok 16424, Indonesia 2Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Rawamangun, Jakarta Timur, Indonesia Abstract The research on the effect of various photoperiodicity on the cell density of Indonesia Indigenous Chlamydomonas has been done for 10 days observation. The research was experimental study of randomize design with eight treatments. The treatments were illumination period (photoperiodicity) of 0 L/ 24 D (0 Light/ 24 Dark), 8 L/ 16 D, 10 L/ 14 D, 12 L/ 12 D, 14 L/ 10 D, 16 L/ 8 D, 18 L/ 6 D, and 24 L/ 0 D. Photoperiodicity influence the growth of Subang isolated Chlamydomonas. Photoperiodicity of 24 L/ 0 D produced the highest cell density (6,729,250 cell/ml) on the day of eight. Photoperiodicity of 0 L/ 24 D produces the lowest cell density (191,100 cell/ml) on the day of 10. Kruskal-Wallis test showed there were effect of different photoperiodicity to cell densities of Chlamydomonas (p>0,05). Multiple Comparisons test to the average of cell density between the treatments showed there were absolutely differences (p>0,01) except between the treatment of 10 L/ 14 D (treatment 3) and of 12 L/ 12 D (treatment 4). Linear Regression test showed that photoperiodicity influences the logarithm of cell densities which was showed by y = 5,695 + 0,159x. Keywords: Chlamydomonas; photoperiodicity; cell density Share Link | Plain Format | Corresponding Author (Nining Betawati Prihantini)

639	Environmental Engineering	ABS-711
CORRELATION BETWEEN ENVIRONMENTAL PARAMETERS AND CYANOBACTERIA MORPHOLOGY: A STUDY OF ECOLOGICAL ASPECT OF HOT SPRING CYANOBACTERIA Nining Betawati Prihantini1*, Gadis Sri Haryani2, Dalia Sukmawati3 1Department of Biology, Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Indonesia, Kampus UI, Depok 16424, Indonesia 2Pusat Penelitian Limnologi LIPI, Cibinong, Bogor, Jawa Barat 16911 3Department of Biology, Faculty of Mathematics and Natural Sciences, Universitas Negeri Jakarta, Rawamangun, Jakarta Timur, Indonesia Abstract Observation on morphology of cyanobacteria which are lived in hot spring had been done. The study aimed to determine a tendency of morphological/phenotypic plasticity of hot spring cyanobacteria. Cyanobacteria sampling location were 6 hot springs area in West Java and were done by purposive sampling. Samples were planktoonic and benthic samples (in sediment or attached to plants and others). The results showed that the identification of cyanobacteria from a hot spring was quite difficult to be indentified using morphological characters. Some morphological characters in certain strains could only be recognized from its shape, which includes coccoid, unbranched filament, and branche filaments of cyanobacteria. In this study, the morphological changes are likely occur permanently, because the morphology of certain cyanobacteria in fresh sampels, cultural enrichment, and the isolated streains look similar. In addition to the sahepe, morphological plasticity in cyanobacteria also refers to change in cell size. Keywords: cyanobacteria; hot spring; morphological plasticity; thallus shape; thallus size Share Link | Plain Format | Corresponding Author (Nining Betawati Prihantini)

640	Environmental Engineering	ABS-718
RENEWABLE PRO-ENVIRONMENTAL AND ENERGY DESIGN OF ENVIRONMENTALLY FRIENDLY BEHAVIOR IN CENTRAL JAVA Hamiyati (a*), Prof.Dr.Nadiroh, M.Pd. (b), Prof.Dr. Amos Neolaka, M. Pd. a)Family Welfare Education Study Program, Faculty of Engineering, University Negeri Jakarta, Indonesia b)Civic education Study Program, Faculty of Social Science, University Negeri Jakarta, Indonesia c)Civil Engineering Study Program, Faculty of Engineering, Universitas Negeri Jakarta *E-mail: hamiyati[at]unj.ac.id Abstract Abstract: Energy in Indonesia is increasing rapidly every year in line with economic involvement, and human growth that is getting more and more energy is not fulfilled every year. Indonesia is among the most energy users because of its population; this is what drives the government to accelerate the use of renewable energy such as solar. This is related to its use, which can help many people who live in cities and remote areas such as; Electricity in households, public facilities, offices, electricity is said to be the most environmentally friendly. This research was conducted in Central Java by using descriptive qualitative methods and using research and development (R&D) methods. The technique used in this study is a qualitative expressive analysis technique. The resultant solution is to be able to meet the increasing electricity needs of the community, the use of renewable energy in the city that does not hurt the environment. This research produces renewable energy that can be used as a solution to solving the electrical energy crisis at an affordable cost and can increase the independence of the community so that it does not depend on government electricity supply and improve environmentally-friendly behavior. Keywords: Environmentally Friendly Behavior, Renewable Energy Share Link | Plain Format | Corresponding Author (hamiyati hamiyati)

641	Environmental Engineering	ABS-207
Application of Various Source Animal Dung and Dosage on The Growth and Yield Phaseolus vulgaris L. Ahmad Taofik(a), Budy Frasetya(a*), Acep Kusmana(a) a)Agrotechnology Department, Faculty of Science and Technology, UIN Sunan Gunung Djati Bandung Street A. H. Nasution 105 Bandung 40614, West Java, Indonesia *)budyfrasetya[at]uinsgd.ac.id Abstract Animal dung in Indonesia has many types; each type of manure gives different plant growth response. This study aims to determine the type of manure and its adequate dosage to increase the growth of bean plants. The research has been carried out in the experimental field of Universitas Padjadjaran, Jatinangor, Sumedang-West Java with altitude 753 m above sea level (asl). The study used a factorial randomized block design. The first factor is the type of manure (k1 = cow dung, k2 = sheep dung, k3 = chicken dung, and k4 = rabbit dung) and the second factor is the dose (d1 = 10 t ha-1, d2 = 20 t ha-1, and d3 = 30 t ha-1). Each unit was repeated three times. The growth parameters observed were leaf area, fresh plant weight, shoot-root ratio, number of pods, pod weight per plant. The data from observations were then analyzed using analysis of variance at 5% significance level and then followed by Duncans test at 5% significance level. The results showed the application of chicken manure 20 t ha-1 gives better growth results than other manure, but the type of manure at various dosage levels has not been able to increase the weight of pods per plant. Keywords: fertilizer efficiency, rabbit dung, organic fertilizer Share Link | Plain Format | Corresponding Author (Budy Frasetya Taufik Qurrohman)

642	Environmental Engineering	ABS-463
Economic Calculation and Gas Emissions from Solar Energy Utilization on Fishing Vessel 20 GT Rizky Irvana(a)(b) (a)Darma Persada University, Faculty of Marine Technology, Department Naval Architect, Jl. Taman Malaka Selatan, Jakarta Timur, Indonesia (b)Darma Persada University, Student of Graduate School Renewable Energy, Jl. Taman Malaka Selatan, Jakarta Timur, Indonesia Abstract Energy is a major need throughout human history. Today, the world is getting worse cause the energy crisis. One of the solution to overcome the energy crisis is by reducing dependence on fossil energy sources by utilizing alternative energy sources, one of which is solar energy. In Indonesia, efforts to utilize solar energy have several advantages which is energy is available in large quantities, solar energy in Indonesia has an intensity between 0.6 - 0.7 kW / m2, and energy is obtained for free. The study was conducted on the southern coast of Java Island which is located at Ujung Kulon and Palabuhan Ratu. The research method uses an experimental model where primary data is obtained from the directly into filed and the secondary data based on existing data by analyzing the economic value and exhaust emissions on solar panels and auxiliary engine for fishing vessels. The object of the study was to use Pole and Line 20 GT fishing vessels. Hoped that the use of solar panels can help fishermen and reduce emissions Keywords: Solar Energy, Solar Panel, Renewable Energy, Fishing Vessel, Gas Emissions Share Link | Plain Format | Corresponding Author (Rizky Irvana)

643	Environmental Engineering	ABS-720
THE EFFECT OF COPPER ON LIPID CONTENT OF MICROALGAE Nannochloropsis oculata (1) Mohamad Agus Salim, (2) Muhammad Subandi 1. Biology Department of UIN Sunan Gunung Djati of Bandung of Indonesia, 2. Agrotechnology Department of UIN Sunan Gunung Djati of Bandung of Indonesia Abstract ABSTRACT. Microalgae has the ability to remove heavy metals and produce lipids. This study aims to examine the microalgae species of Nannochloropsis oculata in absorbing metals and accumulating lipids. N. oculata microalgae were cultured on the Basal Bold medium with variations in the treatment of Cu concentrations of 0.1, 0.2, 0.3 and 0.4 mg/L. The results of this study indicate that Cu inhibits the growth of N. oculata with 96h-EC50 0.24 mg/L. However, N.oculata is able to efficiently remove Cu at low concentrations. Lipid content was significantly increased by 46% in addition of Cu to 0.2 mg/L. Furthermore, it was observed that low Cu levels were efficiently removed, whereas a decrease in lipid accumulation could be seen in the treatment of high Cu concentrations (0.4 mg/L). The results showed Cu concentrations above 0.2 mg/L inhibited growth of N. oculata and consequently decreased lipid levels that accumulated in cells. Conclusion, N. oculata removes Cu from culture media and accumulates lipid levels that can be applied to wastewater treatment management and biodiesel production. Keywords: biodiesel, growth, heavy metal, lipid, microalgae Share Link | Plain Format | Corresponding Author (Mohamad Agus Salim)

644	Environmental Engineering	ABS-722
Is Profitability and Foreign Ownership impact on Philanthropy Value? Muhammad Yusuf myusuf_fe@unj.ac.id, Afidah Nur Aslamah afidah930@gmail.com, Haris Nur Hamid harisnhamid@gmail.com, Indah Muliasari indah_msari@unj.ac.id, Annisa Fitri Anugrah Sari annisaf.anugrah@gmail.com State University of Jakarta Abstract This study was conducted to examine the effect of profitability and foreign ownership on the value of corporate philanthropy. This study uses panel data regression analysis to explain the research hypothesis. Based on predetermined criteria, researchers obtained 240 data from companies listed on the Indonesia Stock Exchange in 2016-2018. Then the data is analyzed using Eviews as the data processing software. The results of this study indicate that profitability has a significant positive effect on corporate philanthropy. This shows that in making decisions related to the value of corporate philanthropy, companies tend to pay attention to the resulting profitability. With increased profitability, the value of the philanthropic companies that are given also tends to increase, and vice versa. On the other hand, foreign ownership has not been proven to have a significant effect on corporate philanthropy. Generally in developing countries like Indonesia, there is a principle conflict between shareholders and company policy makers related to the value of philanthropy. Foreign ownership in companies in Indonesia is difficult to oversee corporate philanthropy because the information is not comprehensive given by management, especially companies that do not prioritize the value of corporate philanthropy. Keywords: Foreign Ownership, Corporate Philanthropy Value, Profitability Share Link | Plain Format | Corresponding Author (Afidah Nur Aslamah)

645	Environmental Engineering	ABS-978
Environmental Science Model based on 2-Dimension Animation Desy Safitri (a*), Arita Marini (b), Haswan Yunaz (c), ZE. Ferdi Fauzan Putra (d), Sri Nuraini (e), Taufik Rihatno (e), Nurzengky Ibrahim (a) a) Faculty of Social Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia *desysafitri[at]unj.ac.id b) Faculty of Education, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia c) Institut Bisnis dan Informatika Kosgoro 1957, Jalan M Kahfi II No: 33, Lenteng Agung Jakarta Selatan, DKI Jakarta, Indonesia d) Faculty of Engineering, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia e) Faculty of Sport Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No. 1, East Jakarta, Indonesia Abstract The aim of this research is to develop environmental science model on the basis of 2-dimension animation for junior high school students in Jakarta in Indonesia. This research and development were conducted in Jakarta, the capital city of Indonesia. This research built four products with 2-dimension animation related to global warming, recycling, ozone layer, biodiversity, and mangrove forest. These products were developed using animation technique involving manipulating physical objects in creating the illusion of motion with 2-dimension animation software. Validation of experts attained 3.72 from scores ranging 1 to 4 pointing out that this model is already valid as environmental science model. These products had been revised based on recommendation from expert connected with the content and presentation technique. It can be stated that this model is valid as environmental science model on the basis of 2-dimension animation in Jakarta in Indonesia. Keywords: Environmental science; Global warming; Recycling; Biodiversity Share Link | Plain Format | Corresponding Author (ARITA MARINI)

646	Environmental Engineering	ABS-473
Augmented Reality-Based Ecolabel Model for Environmental Awareness Desy Safitri (a*), Arita Marini (b), Haswan Yunaz (c), ZE. Ferdi Fauzan Putra (d), Sri Nuraini (e), Taufik Rihatno (e), Nurzengky Ibrahim (a) a) Faculty of Social Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia *desysafitri[at]unj.ac.id b) Faculty of Education, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia c)Institut Bisnis dan Informatika Kosgoro 1957, Jalan M Kahfi II No: 33, Lenteng Agung Jakarta Selatan, DKI Jakarta, Indonesia d) Faculty of Engineering, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia e) Faculty of Sport Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No. 1, East Jakarta, Indonesia Abstract The purpose of this research is to develop Augmented Reality-based ecolabel model for environmental awareness. This research and development were done in Jakarta, the capital city of Indonesia. The product of this research is augmented reality called ecolabel on the Android Smartphone having eight logos to give environmental awareness to the consumers. This product giving the consumers some 2-dimension information containing accurate, fast, verifiable, and not misleading information related to environmental aspect of the certain products. This product should be supported by sticker as marker to turn on augmented reality. Consequently, the society will be more appropriate in making decision to choose the product used. Revision on the basis of expert validation reaching 3,67 from maximum score 4 is that pictures given to the nine logos in this product should be added more to provide more examples to the consumer. The conclusion of this research is that Augmented Reality-based ecolabel model for environmental awareness is already valid. Keywords: Augmented Reality; Environmental awareness; Android Smartphone Share Link | Plain Format | Corresponding Author (ARITA MARINI)

647	Environmental Engineering	ABS-736
The Suitability of the Marine Environment for the Development of Cuttlefish Farming Technology as a Seagrass Conservation Solution in East Lombok, Indonesia 1*)Lalu Muhammad Imam Husaini M. Nasir, 2,3)Agil Al-Idrus and 2,3)Abdul Syukur 1*)Student of Department of Sciences Education Postgraduate Mataram University 2)Department of Sciences Education Postgraduate Mataram University 3)Department of Sciences Education, Faculty of Teacher Training and Education, Mataram University Abstract The potential of marine environment, especially aquaculture is an integral part of the strategy for ecosystem conservation and the sustainability of food supply. The purpose of this study was to develop cultivation using floating net cage technology at the study area. The research method uses observation and experimental methods. Data on environmental and seed potential were analyzed using discriptve statistical analysis, and thedata length and weight growth of the cuttlefish were analyzed using the Daily growth ratio and regression. The results showed that the potential of cuttlefish seedlings from Sepia sp, was quite abundant and environmental conditions (temperature, dissolved oxygen, pH, nittrats, phosphate, flow velocity had a value suitable for the growth and development of cuttlefish. Furthermore, the average daily growth of cuttlefish is 1.06%. Meanwhile, the value R2 = 0.918, where the length increase can explain the weight gain and the regression coefficient value b = 2.121 which shows the type of cuttlefish growth is negative allomatric. The conclusion is that cuttlefish culture can be developed by small fishermen and has a high value in terms of economic aspects and environmental protection from the threat of destructive use. Keywords: Aquaculture, Cuttlefish, Environment, Floating net cages and Seagrass conservation Share Link | Plain Format | Corresponding Author (Lalu Muhammad Imam Husaini M. Nasir)

648	Environmental Engineering	ABS-481
Engineering Safer Bulk Cooking Oil by Increasing oxidative stability with Organic Waste of Noni (Morinda citrifolia) Fruit S Rahayu1*, S A Basyam2, F Mela3, L Solichatun4 1Biology Department, Faculty of Mathematics and Sciences, Universitas Negeri Jakarta, Indonesia 2Biochemistry and Biomolecular Department, Medical Faculty, Universitas Sriwijaya, Indonesia 3Biotechnology Laboratory, University of Yamaguchi, Japan 4Ornamental Fish Cultivation Research Centre, Ministry of Maritime Affair and Forestry, Indonesia Abstract Cooking oil has brought detrimental impact on health. Many attempts have been conducted to minimize the risk of it. This study aimed at engineering safer bulk cooking oil by increasing oxidative stability with organic waste of noni fruit. Method applied was experimental with complete factorial randomized design. Factor used were solvent type (ethanol and distilled water), concentration (25% and 33%) and maceration time (2,4,6,8,16,24 hours) of noni fruit. Parameters measured were qualitative and quantitative flavonoid, peroxide value and free fatty acid number. Statistical analysis was done by Manova followed by Games-Howell. Result showed that ethanol extract exhibit strongest flavonoid qualitatively and quantitatively within 33% concentration (48.9 Meq). The best (lowest) peroxide value can be identified on ethanol extract under 33% concentration and 24-hour maceration (2.9 ± 0.6 Meq02/Kg). The lowest free fatty acid (FFA) number could be achieved by 33% of ethanolic extract under 12 hours maceration (2.5%). Statistical analysis revealed the impact of solvent, concentration and time to peroxide value and free fatty acid value. It can be concluded that bulk cooking oil can be engineered to be safer by adding noni organic waste of noni fruit. Keywords: bulk oil, oxidative, stability, noni Share Link | Plain Format | Corresponding Author (Sri Rahayu)

649	Environmental Engineering	ABS-488
ANALYSIS OF ECOLOGY INDEX OF DEMOSPONGIA CLASS (SPONS) IN LITORAL ZONE OF CIKABODASAN BEACH OF SANCANG SEA NATURE RESERVE GARUT DISTRICT D Hernawati, I Al-jawami, K R Permana, S Mulyaningsih And S Nurkamilah Prodi Pendidikan Biologi, Institut Pendidikan Indonesia, Garut 44151, Jawa Barat Abstract This research aims to determine the Ecological Index of Demospongia Classes (Sponges) in the Litoral Zone of Cikabodasan Beach, Sancang Marine Nature Reserve. The method used in this Reasearch is descriptive method with quantitative approach and sampling using purposive sampling techniques assisted with line transects and quadrate transects in identifying species from the Demospongia Class. The sampling process was carried out by dividing the study site into three observation stations with a distance between stations 92 m. Each station consists of three line transects with a length of 100 m with a distance between the line transects 42 m. Each transect line is placed 10 transect squares with a size of 1x1m. Based on the results of the reasearch, Demospongia class species were sampled as many 12 species with total of 272 individuals. The highes tecological index values were found in aply sinaaerophoba species with diversity index value of 0.3465, abundance index of 0.7556, evenness index of 0.1395, and dominance index of 0.0625. The lowes tecological index values are found in Haliclonacinereaand Plakortissp with diversity index valueof 0.00497, abundance index of 0.0333, evenness index of 0.0200, and dominance index of 0.0001 in each species Keywords: Demospongia, Ecological Index, Litoral Zone, Sancang Marine Nature Reserve Share Link | Plain Format | Corresponding Author (Dewi Hernawati)

650	Environmental Engineering	ABS-747
VOCATIONALIZATION OF BASIC EDUCATION BASED-ON LOCAL WISDOM IN ERA OF ASEAN ECONOMIC COMMUNITY Ivan Hanafi, Rina Febriana, Irzan Zakir Universitas Negeri Jakarta Abstract As the implementation agreement of the ASEAN Free Trade Area (AFTA), Indonesia should have right strategy especially in the field of basic education. Graduates of basic education should have adequate knowledge, attitudes and skills including ability to adapt the work situation changes due to change dynamically. The study aims to develop a model of skills learning model for student at the basic education level based on local wisdom. The research method used is Research and Development, which is in accordance with the research objectives. The skills learning model is vocationalization based on local wisdom at the basic education level. It is used to find solution as an effort to complement and prepare basic education graduates who do not continue their education to become productive and competitive workforce to face global competition, especially to facing the Asean Economic Community. Initial research results are the interview instruments and guideline reviewed by experts consist of 1) local potential resources, 2) selection of basic skills type in schools, 3) availability of equipment and materials for skills practice, 4) school resources, 5) support the parties to the implementation of skills learning, and 6) the process of learning skills. Based on the results of previous research, hypothetical skills learning model was developed as a form of learning that could be used to provide initial provisions for pre-vocational skills based on local wisdom. The model can provide insight into the workforce and increase motivation, and work ethic, as well as to build employability skills for students in the basic education level. Keywords: Vocationalization, basic education, skills learning model Share Link | Plain Format | Corresponding Author (Ivan Hanafi)

651	Environmental Engineering	ABS-1003
Web-Based Learning Model for Environmental Science Desy Safitri (a*), Arita Marini (b), Haswan Yunaz (c), ZE. Ferdi Fauzan Putra (d), Sri Nuraini (e), Taufik Rihatno (e), Nurzengky Ibrahim (a) a) Faculty of Social Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia desysafitri[at]unj.ac.id b) Faculty of Education, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia c) Institut Bisnis dan Informatika Kosgoro 1957, Jalan M Kahfi II No: 33, Lenteng Agung Jakarta Selatan, DKI Jakarta, Indonesia d) Faculty of Engineering, Universitas Negeri Jakarta, Jalan Rawamangun Muka No: 1, Jakarta Timur, DKI Jakarta, Indonesia e) Faculty of Sport Science, Universitas Negeri Jakarta, Jalan Rawamangun Muka No. 1, East Jakarta, Indonesia Abstract This research aim is to develop web-based learning model for environmental science for junior high school students in Jakarta in Indonesia. This study using research and development method were carried out in Jakarta, the capital city in Indonesia. This research built web-based learning model for environmental science related to identifying the problem, collecting data, analyzing data, and constructing argumentation associated with environmental problem solution with URL: https://20webdesy.wixsite.com/ikl2020. Validation of experts reached 3.68 from maximum scores 4 showing that this model is already valid. In the conclusion, it is highlighted that this model is valid to be implemented for junior high school students in Jakarta in Indonesia as a web-based learning model for environmental science in order to have sustainably environmental quality. Keywords: Web-based learning model; Environmentally science; Sustainably environmental quality Share Link | Plain Format | Corresponding Author (ARITA MARINI)

652	Environmental Engineering	ABS-238
The Effect of Potassium and Planting Media on Production and Quality of Tomato (Lycopersicon esculentum ) on Hydroponic Drip System Sys Cecep Hidayat*, Wida Faridah Sholihah, Asep Supriadin UIN Sunan Gunung Djati Bandung cephidayat[at]uinsgd.ac.id Abstract Tomato is a crop known as nutritious duet o its protein, mineral, and vitamins contains. So the application of production inputs should be directed to improve the those crop quality. The aim of the research was to know the effect of potassium concentration and type of planting media on production and quality of tomato (Lycopersicon esculentum ) on hydroponic drip system. The reseach was conducted from Juni to August 2019 at Cileunyi Kulon village, Cilenyi district, Bandung regency, using split-plot facorial design with 2 factors and 3 replication. Main plot was potassium concentration (350 ppm, 400 ppm, and 450 ppm) and sub-plot type of planting media (100 % husk charcoal, 100 % cocopeat, 50 % husk charcoal + 50 % cocopeat). The result showed that there was No. interaction effect of potassium concentration and type of planting media on fruit fresh weight and fruit hardness. All potassium concentration and type of planting media independently has the same effect on fruit fresh weight and fruit hardness with vitamin contains 11,83n- 16,90 mg 100 g-1. The application of pottasium 400 ppm and 500 ppm produces better fruit saving power. Keywords: tomato, potassium, planing media, production, quality Share Link | Plain Format | Corresponding Author (Cecep Hidayat)

653	Environmental Engineering	ABS-239
Various planting media and concentration of boron (Bo) supporting growth and yield of melon (cucumis melo. Var. Sonya) in drip irrigation hydroponic system C Hidayat*, A A Roosda, S Fauziah, and Dikayani UIN Sunan Gunung Djati Bandung cephidayat62[at]uinsgd.ac.id Abstract Hydroponic system is one of alternatives to increase plant productivity such as Melon. Planting media is the important component in hydroponic due to less soil system. Additional nutrient, Boron (B) in particular, is expected able to support growth and increase fruit production of Melon. This study aimed to determine the interaction between various planting media and the concentrations of boron as well as to get the right composition of planting media and boron on the growth and yield of Melon. This research was conducted in a greenhouse in Cikeusik, Tasikmalaya. A factorial split plot design was applied to the experiment with three replications. Main plot was boron concentrations; 0 ppm, 0.35 ppm, 0.7 ppm, b4 1.05 ppm, and subplots consisted of 100% charcoal husk, 100% cocopeat, and charcoal husk : cocopeat (50:50). The results showed no interaction between boron concentrations and planting media. Otherwise, boron concentration of 0,7 ppm affected independently on the parameters i.e. flowering age, numbers of flower, fruit weight, fruit diameter, fruit thickness, sugar content, and quality grading. Planting media of 100% cocopeat affected on plant height and leaf area. Application of 0,7 ppm boron and cocopeat growing media, independently, increase the growth and production of Melon plants in hydroponic system. Keywords: boron concentration, growing medium, melon crop, hydroponic system Share Link | Plain Format | Corresponding Author (Cecep Hidayat)

654	Environmental Engineering	ABS-240
Growth of Rice (Oryza Sativa L) at Rooftop with Substrate Hydroponic System Using Various Growth Media Cecep Hidayat*, Firda Ayu Lestari,Budi Frasetya UIN Sunan Gunung Djati Bandung cephidayat62[at]uinsgd.ac.id Abstract Substrate hydroponic system of rice cultivate by using building’s rooftop is one step toward improving grain yield production. One of the factors influencing its success is plant growth media. This research aimed to study the effect of composition palnt growth media on the rice growth with substrate hydroponic system at roof top. This research was carried using a simple Completely Randomized Design with five levels of composition plant growth media : rice husk biochar (RB) and cocopeat, namely A (100% RB); B (100% cocopeat); C (50% RB : 50% cocopeat); D (25% RB : 75% cocopeat); dan E (75% RB : 25% cocopeat). The result showed that composition 75% RB : 25% cocopeat significantly affected plant height. The other factors to be considered in substrate hydroponic rice cultivation at roottop were nutrients composition. Addition of NH4+ as a source of nitrogen on nutrition is needed by plant for growing on vegetative stage. The ratio between K:Ca is also play important influence; K should be more than Ca to get stronger plant against environmental stress. 1.25: 1 ratio can be applied to complete requirement of those. The use of a container becomes an alternative to maintain media relative humidity and nutritional EC value. Either in the rainy or dry season, checking of media relative humidity and nutrient EC must be carried out periodically to be maintained at optimum conditions Keywords: Media, Rice, Rooftop, Hydroponic, Nutrient Share Link | Plain Format | Corresponding Author (Cecep Hidayat)

655	Environmental Engineering	ABS-241
Growth of mycelium oyster mushroom (Pleurotus ostreatus) in medium rice wastewater with coconut water Yati Setiati Rachmawati*, Zulfi Ali Akbar, Liberty Chaidir, and Anna Aina Roosda UIN Sunan Gunung Djati Bandung yatisetiati[at]uinsgd.ac.id Abstract The high consumption of oyster mushroom (Pleurotus ostreatus) is constrained by the production capacity and the provision of mushroom seed with low quality. Also, the price of starter pure brood stock is expensive, a calculated Rp400.000-Rp1.000.000 per-bottle. This research aims to determine the effect of rice wastewater with coconut water on the growth of the mycelium pure brood oyster mushroom. The research was conducted in February 2020-March 2020 in the integrated laboratory of the Faculty of Science and Technology UIN Sunan Gunung Djati Bandung. The method used is experimental with 9 treatment of combination of rice water with coconut water concentration i.e. 100%:0%, 80%:50%, 80%:20%, 50%:80%, 50%:50%, 50%:20%, 20%:80%, 20%;50%, 0%:100%, and repeated three times. The concentration of 100% rice wastewater produced the best growth of mycelium compared to other treatments. Therefore, the rice wastewater can be used as an medium to multiply pure broodstocks of oyster mushrooms. Keywords: coconut water, mycelium, oyster mushroom, rice wastewater Share Link | Plain Format | Corresponding Author (Yati Setiati Rachmawati)

656	Environmental Engineering	ABS-1011
Application of ICCTV and CVVR For Intelligent Transportation System With Monitoring Operations Through A Management To Zero Accident (OHS) In Oil Company, A Case Studies of Chevron Pacific Indonesia Company, Duri, Province of Riau Aditya Pandu Wicaksono (a*), Mohammad Abdul Khafid (a), Calvin Alex Sahetapi (a), Ghina Fadhilah (a), Arya Dipa Aristo Putra (a), Bayu Elwantyo Bagus Dewantoro (b) a*) Department Of Environmental Engineering, Faculty of Mineral Technology, Universitas Pembangunan Nasional "Veteran" Yogyakarta b) Department of Geographic Information Science, Faculty of Geography, Universitas Gadjah Mada, Yogyakarta, Indonesia. *aditya.wicaksono[at]upnyk.ac.id Abstract Competent human resources and workplace security are one of the main assets that serve as the operational drivers of the company to achieve high efficiency and productivity. This research is about the implementation of ICCTV and CVVR in supporting occupational health and safety to reduce the dangerous incident at PT Chevron Pasific Indonesia, Duri, Riau. The aim of the study was to find out how the implementation of ICCTV and CVVR were affected in reducing the work accidents in oil and gas companies that implemented high technology and developed rapidly. The method used is the observation of data both directly and secondary, interviews or ask questions to the staff directly related to the application of ICCTV, CVVR and library studies, which is to learn and collect data and information Through several books and other sources. While the analysis technique is done descriptively by comparing the results of the research on the implementation of occupational safety and health with theories derived from the study of the library. From this research can be concluded that the functions and benefits of applying ICCTV and CVVR can reduce even no work accident during the last year of its implementation. Keywords: ICCTV, CVVR, HSE, Oil Company, PT. Chevron Pasific Indonesia Share Link | Plain Format | Corresponding Author (Mohammad Abdul Khafid)

657	Environmental Engineering	ABS-244
Mapping total nitrogen in dryland North Lombok from soil spectral reflectance Bambang Hari Kusumo,Yohanes Aris Purwanto, Muhammad Husni Idris, Bustan, Baharudin University of Mataram and IPB University Abstract Nitrogen (N) is one of the essential nutrients for plant growth, and its availability and spatial distribution in dryland need to be known for better soil and crop management. However, mapping soil N content is expensive and time consuming. The aim of this research is to test the use of soil spectral reflectance to rapidly measure and map soil total N in North Lombok dryland. About 150 soil samples, including the coordinates, were collected in Kayangan Sub-district of North Lombok. The samples were dried, ground, sieved (0.2 mm diameter), which then analysed for total N content using Kjeldhal method, and scanned using near infrared spectroscopy (NIRS). A calibration model was developed using partial least square regression (PLSR) from Kjeldhal-analysed N data and soil spectral data. The model was then used to predict the soil N content from the spectral data, and then soil nitrogen content was spatially mapped. The result showed that soil spectral reflectance technology was able to measure and map total N distribution in soil although the range of soil N content was from very low to medium. This shows that the technology can be used to map soil N distribution in dryland North Lombok, which may then be used for the guidance of fertiliser application. Keywords: soil, reflectance, nitrogen, map, dryland, near infrared Share Link | Plain Format | Corresponding Author (Bambang Hari Kusumo)

658	Environmental Engineering	ABS-1012
Transformation of Tourism Attraction And Its Impact On The City Physical Development (Case Study Of Labuan Bajo City) Marselinus Nirwan Luru, Anindita Ramadhani*,Anita Sitawati, Rahel Situmorang, Benny Benyamin Suharto Urban and Regional Planning Departement, Faculty of Landscape Architecture and Environmental Technology, Trisakti University, Jakarta, Indonesia Abstract Labuan Bajo City is one of the targets for the national tourism development. Many studies have proposed strategies and directions for Labuan Bajo tourism development to achieve these targets. But it has not examined the tourism life cycle which will be useful for comprehensive tourism development. That is the aim of this study, especially with regard to changes in tourist attractions and land use impacts. This research uses the method of collecting data on field observations, government agencies, private institutions which are further analyzed qualitatively. The results of this study showed that tourism attractions are developing in terms of the number, type and distribution of attractions, as well as influencing dominantly in the land use patterns of Labuan Bajo City. Keywords: Tourism Attraction, Land Use Patterns, Transformation, Life Cycle, Labuan Bajo City Share Link | Plain Format | Corresponding Author (RINI S DGM)

659	Environmental Engineering	ABS-758
Implementation of Green Technology: Adults Behavior in Waste Recycling and Waste Source Reduction MP. Ningsih, L.Shafira Universitas Pendidikan Indonesia Abstract This article discusses the behavior of teens aged 18-25 years as many as 192 people in the application of green technology which includes waste recycling, and reduction of waste sources. The study was conducted with a questionnaire survey with the google form application. The problem is that along with the increase in Indonesias population, it can also be predicted an increase in waste production, both organic and inorganic including plastic as a by-product of various economic activities. If only per day the average Indonesian produces waste weighing 0.8 kg. So in a year, the average garbage produced by each person is 0.29 tons. If the predicted population reaches 297 million people, then in a year, the waste that must be managed is 86.7 million tons. For example the practicality and ease of plastic makes it difficult for people to turn away, ranging from plastic bags to household goods, most of which use plastic materials. Plastic waste management has not been done wisely so that it has the potential to cause problems in the future. Plastic waste that is not recycled by causing big problems when the number is growing. This condition requires comprehensive handling from the government and the community. Green technology (Greentech) is the integration between modern technology and environmental science to better preserve the global environment and natural resources and to reduce the negative impacts of human activities on planet Earth. Keywords: Green Technology, Waste Recycling, Waste Source Reduction Share Link | Plain Format | Corresponding Author (Mirna Purnama Ningsih)

660	Environmental Engineering	ABS-762
INCIDENCE OF DIARRHEA AND ITS ASSOCIATED FACTORS WITH OPEN DEFECATION IN JAVA – BALI PROVINCE Ika Dharmayanti, Dwi Hapsari Tjandrarini National Institute of Health Research and Development, Ministry of Health Abstract Background: Open defecation behavior is still becoming a problem in Indonesia. In several regions, people had a habit to defecate in rivers, stream or other open areas that can contaminate environments. One of the targets in Sustainable Development Goals (SDGs) in the environmental sector is to ensure that people achieve universal access to clean water and sanitation. Open defecation free (ODF) is one of the most important targets related to healthy sanitation, especially access to healthy latrines and clean water. By achieving ODF, it is expected that will break the transmission chain of infectious diseases (especially diarrhea). This study aimed to discover the open defecation behavior as well as to analyze factors that influence diarrhea in Java-Bali province. Subject and method: This was a descriptive research design with a cross-sectional approach. Independent variables were education, economic status, residential area, open defecation behavior, sanitation and drinking water facilities in the household. The dependent variable was the occurrence of diarrhea. This research was analyzed using SPSS 15 with logistic regression. Results: Low education (OR = 1.39; 95%CI: 1.263 to 1.533; P<0.001), low economic status (OR = 1.08; 95%CI: 1.01 to 1.15; P<0.05), open defecation behavior (OR = 1.29; 95%CI: 1.20 to 1.9; P<0.001), household sanitation and drinking facilities (OR = 1.07; 95%CI: 1.02 to 1.13; P<0.05) has a significant relationship with the occurrence of diarrhea. Conclusion: This study recommended that in addition in increasing people’s knowledge, the availability of improved sanitation and clean water were very essential to achieve open defecation free. It is also important to increase public awareness about the importance to defecate in a healthy latrine to avoid the disease. Keywords: open defecation, healthy sanitation, diarrhea Share Link | Plain Format | Corresponding Author (Ika Dharmayanti)

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