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Ecotrophic, Journal of Environmental Science

ECOTROPHIC
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Published by Universitas Udayana

ISSN : 19075626 EISSN : - DOI : -

Core Subject : Social,

Environmental Science

Ecotrophic, Journal of Environmental Science (ISSN : 1907-5626) atau yang disingkat EJES, merupakan media publikasi bagi hasil-hasil penelitian, artikel dan resensi buku dibidang ilmu lingkungan. EJES adalah peer-reviewed dan open access jurnal, diterbitkan dua kali setahun yaitu bulan Mei dan September oleh Program Studi Ilmu Lingkungan, Program Pascasarjana Universitas Udayana.

Arjuna Subject : -

Articles 359 Documents

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HUBUNGAN TINGKAT PENGETAHUAN PETANI TENTANG PERUBAHAN IKLIM DENGAN ADAPTASI BUDIDAYA STROBERI DI DESA PANCASARI, KECAMATAN SUKASADA, KABUPATEN BULELENG Kadek Ryan Surya Negara; Made Antara; I Nyoman Dhana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 2 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

This research aims to (1) describe the strawberry farmers ‘knowledge about climate change in the village Pancasari, (2) Describe the farmer adaptation to climate change relating to the cultivation of strawberries in the village Pancasari and (3) to analyze the correlation between farmers’ knowledge about climate change and adaptation to the cultivation of strawberries in Pancasari village. This study was designed as a descriptive study, with the ecological approach. The object of research is the effect of the level of farmers’ knowledge about climate change and adaptation to the cultivation of strawberries, while the subject of the strawberry farmers in the village Pancasari. Then the data is collected using observation method, the method of recording documents and interviews, then analyzed using qualitative descriptive analysis for the formulation of the problem first and second as well as quantitative descriptive formulation of the problem for the third. The results showed (1) Knowledge strawberry farmers about climate change in high categorized Pancasari village with a score of 3.81, (2) Adaptation of farmers to climate change related to the cultivation of strawberries in the village Pancasari categorized either with a score of 4.62 and (3) There is a positive relationship level of farmers’ knowledge about adaptation to climate change to the cultivation of strawberries in the village Pancasari with r = 0.97.

PENGELOLAAN LAHAN BANTARAN SUNGAI BEDOG BERBASIS KOMUNITAS KARANG TARUNA GUNA MENDUKUNG PEMBANGUNAN BERKELANJUTAN Alfin - Julianto; Iis Prasetyo
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 13 No 1 (2019)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

ABSTRACT BEDOG RIVER MANAGEMENT BASED ON KARANG TARUNA COMMUNITIES TO SUPPORT SUSTAINABLE DEVELOPMENT This article is intended to discuss the process of community empowerment through the management of the Bedog River bank to support the pillars of sustainable development and great support from the management of the Bedog River in Munengan Hamlet, Sidoluhur Village, Godean District, Sleman Regency, Yogyakarta. This research is a descriptive qualitative research type. The subjects of this study were managers of fish ponds, youths of youth in Munengan Hamlet, Sidoluhur Village, and community of Munengan Hamlet, Sidoluhur Village. Data collection is done by using observation, interview, and documentation techniques. Data analysis techniques are data collection, data reduction, data presentation, and conclusion. The validity of research data using source triangulation and methods. The results of this study are: First, community empowerment through the Karang Taruna Bakti Community as an effort to manage the Bedog River bank starts from the process of awareness, reflection, and action on the management of river banks by planting water guava and passion fruit plants. Second, efforts to utilize riverbanks are beneficial for the riverbank environment and the community of Munengan Hamlet, Sidoluhur Village. The guava and passion fruit plants will produce fruit and the trees can preserve the ecology of the Bedog River banks from abrasion and support the pillars of sustainable development. Keywords: Management; Riverbanks; Sustainable Development; Karang Taruna Community

PERILAKU MASYARAKAT DALAM PENGELOLAAN SAMPAH DAN FAKTOR-FAKTOR YANG MEMPENGARUHI DI KECAMATAN DENPASAR TIMUR KOTA DENPASAR, PROVINSI BALI Ni Luh Gede Sukerti; I Made Sudarma; I.B.G Pujaastawa
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 11 No 2 (2017)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

ABSTRACT Waste problem is one of the environmental issues that have long been the world's attention and need to get serious handling so as not to cause harmful impacts. Community behavior is the most important variable in waste management and its success should be supported by a high level of public awareness. The factors that can affect the behavior of society, including internal factors and external factors. The purpose of this research is to know the behavior of society in waste management, to know the relation of internal factor and external factor in waste management in East Denpasar Subdistrict. The design of this study included cross sectional with stratified random sampling. The sample in this research is housewife who lives and settles and has (KTP) East Denpasar, as many as 100 respondents. The data collected in this research are the respondent's characteristic, respondent's behavior, internal and external factors and the factors driving the participation in waste management. The data is obtained then analyzed using SEM-PLS data analysis with the help of Smart PLS software. Based on the results of SEM-PLS analysis show that from nine behavioral indicators in managing the waste studied found the result that the behavior of sorting organic and inorganic waste has the highest value to the behavior of the community in managing waste. The internal factor variables indicate that people's knowledge has the highest value in managing waste from the four indicators studied, while external factor variables show that law enforcement has the highest value of three meticulous indicators on the behavior of the community in managing waste in East Denpasar Subdistrict. The conclusion of this research shows that there is a relationship between the behavior of managing waste with internal and external factors. Community behavior in sorting organic and inorganic waste in the category of good because it is supported by knowledge and awareness of good society in managing waste and by obeying the rules in disposing garbage. Keywords: Community behavior; Waste management;

IMMOBILISASI SUSPENSI AKTIF PADA PELLET AMMONIA OXIDIZERS UNTUK PENGOLAHAN LIMBAH URIN KAMBING MENJADI PUPUK N Atita Arli Tiara; I Wayan Budiarsa Suyasa; I Gusti Ayu Kunti Sri Panca Dewi
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 13 No 2 (2019)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Livestock waste that is thrown away without being processed will cause environmental pollution, therefore an effort is needed to process the livestock waste is to be processed into organic fertilizer. The part of livestock waste that can be used as organic fertilizer is urine, in this study goat urine is used. This study aims to find the best nutrients for seeding active suspension, look for the optimal dosage and time for processing goat urine into N fertilizer. The method used in this study is to immobilized the active suspension into the ammonia oxidizers pellets for later used in the goat urine treatment process with an aeration system, so that a nitrification reaction occurs which results is decrease ammonia and nitrite levels and increase nitrate levels. The results obtained in this study are the nutrients that are best used for seeding active suspension are media II that is 5 grams NPK fertilizer; 2,5 grams NH4Cl; and 5 grams glucose with MLVSS values ??of 9000 mg/L at 18 hours. The processing of goat urine obtained optimal results at pellet dosage of 20% (w/v) with optimal time at 18th hour. Ammonia level obtained was 5.6811 mg/L, nitrite levels of 2.3992 mg/L, and nitrate levels of 10.6618 mg/L. Keywords: Immobilization; active suspension; MLVSS; pellets; ammonia oxidizers; nitrification

SIMPANAN KARBON PADANG LAMUN DI KAWASAN PANTAI SANUR, KOTA DENPASAR Yoga Ibnu Graha; I Wayan Arthana; I Wayan Gede Astawa Karang
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 10 No 1 (2016)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Seagrass is one of the marine resources that considerably potential as a CO2 absorbent and functioned as carbon sinks in the oceans known as blue carbon. The result of carbon sequestration from the process of photosynthesis is stored as carbon stocks on seagrass tissue, or streamed to multiple compartments, such as sediment, herbivores and other ecosystems. This study aims to assess the potential for carbon stock storage in biomass on a tissue of seagrass in Sanur Beach coastal area. The observations of seagrass are included the seagrass type, seagrass stands, and measurement of environmental parameters. Then the sampling was conducted to obtain the value of seagrass biomass. The carbon stocks obtained through the conversion of biomass by using carbon concentration analysis of seagrass tissue and then carried a spatial distribution of carbon stocks. Types of seagrass found in Sanur Beach coastal area consist of eight species that are Enhalus acroides, Thalassia hemprichii, Halophila ovalis, Syringodium isoetifolium, Cymodocea serrulata, Cymodocea rotundata, Halodule uninervis and Halodule pinifolia. The result of the carbon stock seagrass in the bottom substrate is 60% greater than the carbon stock in the top substrate which is 40%. Seagrass covering 322 ha of Sanur Beach coastal area with a total potential carbon storage of 66.60 tons or 0.21 tons / ha. Seagrass key role as a carbon storage is on the bottom substrate tissue, and Enhalus acroides is a seagrass species that contributes the most to the carbon storage.

Studi Eutrofikasi Akibat Aktivitas Penggunaan Lahan di Danau Buyan Ida Bagus Ketut Gede Kertia; I Wayan Arthana; I Wayan Sandi Adnyana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 2 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

ABSTRACT EUTROPHIC STUDY TO EVALUATE THE IMPACT OF LAND USE ACTIVITY IN BUYAN LAKE Increased in land use activity in Buyan Lake catchment area can be a threat to multifunction of the lake. Identification the impact due to land use activity is to important of lake management. This study aims to know the land use and its activities, predicted the yield of sediment and nutrient losses, and knew of trophic state for the lake. The Lake Buyan catchment area is 1,943.8 ha. This research use survey method and in situ and ex situ measurement from March to May 2017. Type of data collected were land use and its activities, C-organic and soil nutrient, and variables of trophic state for the lake. This study showed that dryland vegetables crops with bench terrace by low standard contruction, shrub with grass, and coffee plantation with traditional terrace with area each of 71.9 ha (3.7%), 43.0 ha (2.2%), and 25.4 ha (1.3%) respectively has an erosion of higher than tolerable soil loss. The sediment yield and C-organic, nitrogen, phosphate and potassium losses with the amount each of 9,399.4, 266.6, 14.5, 15.8, and 58.7 ton year-1 respectively, and with soil and water conservation practices is very effective to reduced the sediment yield and C-organic, nitrogen, phosphate and potassium losses with the amount each of 3,160.1, 89.6, 4.9, 5.3, and 19.7 ton year-1. Average of nitrogen, phosphate, chlorophyll a, and tranparency with the value each of 3,500, 118.4, 48.2 µg L-1 and 1.8 m showed that trophic state for Buyan Lake is euthrophic until hypereuthrophic, and a moderate euthrophic indicated from the average TSI with the value of 64.3. Key words : Buyan Lake, land use, erosion, sediment yield, eutrophic

STRUKTUR KOMUNITAS EKOSISEM PADANG LAMUN PADA DAERAH INTERTIDAL DI PANTAI SANUR, BALI Made Ayu Pratiwi; Ni Made ERNAWATI
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 1 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Coastal ecosystem is a productive ecosystem and has high ecological and economic value. Coastal ecosystem components, consist of coral reefs, seagrass beds, mangroves and various types of biota. The seagrass ecosystem is one of the most unique coastal ecosystems because the seagrass can live well in high salinity conditions. Seagrass ecosystem in Bali Island has many adventages and widely used for marine tourism activities. One of the marine tourism sites, that take advantage of the beauty of the seagrass ecosystem in Bali is Sanur beach. The utilization of seagrass ecosystem for marine tourism activities might be influence the structure of seagrass community. Therefore, the study about Community Structure of Seagrass Ecosystem at Intertidal Area in Sanur Beach is very important to carried out in order to investigate the structure of the seagrass ecosystem community. Samples were taken in the intertidal zone at six observation stations. At each station, it was conducted three times perpendicular repetition to the shoreline. Seagrass observation was done by using quadratic transect (50 × 50 cm). The types of seagrass found in Sanur Beach were 6 species, namely Cymodocea serrulata, Cymodocea rotundata, Halophila ovalis, Halodule uninervis, Halodule pinifolia, and Syringodium isoetifolium. Cymodocea serrulata is a seagrass-type found in every observation station, and it able to live well in Sanur Beach water characteristics. The highest average of seagrass species density is shown by the Cymodocea serrulata species of 175.11 stands/m2, while, the highest average of seagrass species density is shown by the Halodule pinifolia species of 27.33 stands/m2. The average of diversity, uniformity and dominance index at Sanur Beach reach 0.8682; 0.7347; and 0.4987, respectively. In Sanur Beach area, the seagrass has high uniformity value and stable community. The instability community has been found at station 2 when the dominance of Cymodocea serrulata species was occurred. Keywords: Community structure; Sanur Beach; seagrasse cosystem

KAJIAN KUALITAS LINGKUNGAN KERJA DAN PENERAPAN STANDAR OPERASIONAL PROSEDUR BENGKEL SERVIS KENDARAAN TERHADAP KESEHATAN PEKERJA MEKANIK SEPEDA MOTOR DI KOTA DENPASAR I M. Juli Arsana; I W. Redi Aryanta; I. B. Sudana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 2 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Increasing the number and motorcycle ownership provides increased workload and environmental load in the vehicle workshop. This research was conducted with the aim of analyzing the influence of the quality of the working environment and the application of standard operating procedures work vehicle servicing workshop on the health of workers mechanical workshop in Denpasar. Environmental variables measured in the form of CO (carbon monoxide), dust, lighting, noise and work climate as well as assessing the implementation of labor standard operating procedures vehicle repair workshop. Also assessed lung function, musculoskeletal complaints and fatigue were identified employee. Analysis of data using simple regression to the effect of each variable was continued regression to assess the influence of several variables on the health of the mechanical environment. Significance value used is á = 0.15 (CI = 85%). From 20 workshops and 101 workers were examined as a mechanic samples were obtained the following results: the working environment workshop dust parameter exceeds the quality standards. For the implementation of standard operating procedures parameters in a motorcycle shop can not all be met. Motorcycle mechanic workers were found to have complaints on lung function, musculoskeletal and experience fatigue. From the analysis it was found that all the variables on the quality of the environment and the implementation of standard work procedures workshop has a relationship to the health of workers motorcycle mechanic in Denpasar, but the only variable ambient CO (R> 0.697) and dust working environment (R = 0.612) were influential significantly (R> 0.50).

ANALISIS KEMAMPUAN LAHAN UNTUK ARAHAN PENGGUNAAN LAHAN PADA LERENG TIMUR LAUT GUNUNG AGUNG KABUPATEN KARANGASEM-BALI I Gede Budiarta; I Wayan Nuarsa; I Made Adhika
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 2 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

This research was conducted in the northeastern slopes of Mount Agung in Karangasem regency, Bali province. The research area is dry land with land use patterns that have not demonstrated compliance with existing land potential. On the other hand, technological advances in the field of agriculture has been growing rapidly, one by analyzing the ability of the land to determine the potential of land resources and minimize the risk of failure of farmers. The results of the analysis of land capability is expected to serve as guidelines in a more optimal use of land in accordance with expectations. The purpose of this study was to determine the potential of land and recommends referral based land use conditions existing land capability in the area of research. The design used is descriptive design, with the main objective to provide a picture or description of land use capability and suitability of the study area. Guidelines for land capability analysis in this study refers to Arsyad (2006) and the Regulation of the Minister of Environment No. 17 Year 2009 on Guidelines for Determining Environmental Carrying Capacity in Regional Spatial Planning. The results showed that 1) land capability class research in areas ranging from class III to class VI. Land capability class III is spread on the land unit 1, land unit 2, land unit 3,and land unit 8. Capability class IV land located on land unit 4, land unit 7, land unit 9, land unit 10 and land unit 12.Land capability classes VI located on land unit 5, land unit 6, and land unit 11; 2) land use suitability value obtained was 92.85%. This shows that almost the entire study area (92.85%) is in conformity between the ability of the land and its use. The rest (7.15%) classified as not appropriate. Suitability of the land use study area into the high criteria; 3) Referral land use adapted to the existing conditions of land units. In class III-IV land that does not meet the user or not used optimally, land use options to do that seasonal crops, plantation crops. While on a class VI land use that is not appropriate or not used optimally, land use options to do that forest production and non-agricultural land use.

ARAHAN PENGGUNAAN LAHAN SUB DAERAH ALIRAN SUNGAI (DAS) TELAGAWAJA PROVINSI BALI Karsun Karsun; I Nyoman Merit; I Wayan Suarna
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 1 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Telagawaja Sub-Watershed is upper part watershed of Unda Watershed. As upper watershed, Telagawaja sub watershed has functions as conservation area, water catchment area, and managed in order to keep sub watershed environment not degradated. This research objectives are to identify the characteristics of the land, the function of the area, and the erosion potential rate (TBE), as well as land management recommendations on Telagawaja Sub-Watershed. The identification of land is conducted by analyzing the characteristics of thematic maps in study area. The directives of classification land function is determined by the Minister of Agriculture Number.837/Kpts/Um/ 11/1980 and Number: 683/Kpts/Um/8/1981. The prediction of actual erosion is calculated by USLE formula for the agriculture area, while non-agricultural land use is applied Snyder formula (1980) in Asdak (2010). Erosion class and erosion rate (TBE) are determined based on the Director General of Reforestation and Land Rehabilitation Department of Forestry Number.041/Kpts/V/1998. Determination for the amount of erosion is still can be allowed using the method of Thompson (1957) in Arsyad (2010) which based on soil properties attached to Telagawaja sub watershed. The research shows that Telagawaja Sub-Watershed characteristic is an area which is susceptible to erosion.The analysis shows that the direction of the area function Telagawaja sub-watershed consists of an area of 7337.28 Ha of protection forest (66.01%), and the function of a buffer area 3.778.31 Ha (33.99%). The result of the study on Telagawaja sub-watershed erosion is 2777.07 tonnes ha-1year-1. Erosion class and erosion rate of Telagawaja Sub-Watershed vary from very light to very severe. Erosion class and erosion rate (TBE) with category severe to very severe consist an area of 2.071,97 ha (18,64 %) from total sub-watershed area. Land use planning implemented by applying alternative measures of soil and water conservation can reduce the rate of erosion of 2777.07 tonnes ha-1year-1 to 611.00 tonnes ha-1year-1 or less 2166.07 tonnes ha- 1year-1.

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