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Ecotrophic, Journal of Environmental Science
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 12 Documents
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Search results for , issue "Vol 4 No 1" : 12 Documents clear
STUDY OF STATISTICAL CORELATION AMONG FISH PRODUCTION AND INDIAN OCEAN DIPOLE AND MONSOON IN WESTERN INDONESIAN SEA USING SATELLITE DATA SUPRATMAN -; I Wayan Arthana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 4 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Western Indonesian Sea especially Sumatra Sea, Sunda Strait, Pelabuhan Ratu Sea and Prigi Sea is a potential areafor fisheries especially tongkol. Oceanography factors that influenced to the fisheries activity are Sea SurfaceTemperature (SST), Sea Surface Height (SSH), concentration chlorophyll-a (Chl-a), monsoon and Indian Ocean Dipole.This research location is in Western Indonesian Sea. With coordinate is 97.00 E to 114.00 E, and 02.00 N to 11.00 Sin period of 2002 to 2006. Spatial and temporal analysis SSH from Jason-1 Satellite, SST and chl-a from AQUA-MODISsatellite data set used to correlation with fish production. The correlation between Dipole Mode Index (DMI) and fishproduction is use also. SST and chl-a data processing by SeaDAS software, SSH derive from website NASA, DMIderived from website NASDA. Fish production data is from statistic fish production data.The correlation value between fish production and SST in Sumatra Sea and Pelabuhanratu Sea is high with value -0.734 and -0.660. In Sunda Strait and Prigi Sea is low, with value -0.560 and -0.566. Meanwhile the correlation valuebetween fish production and chl-a in Sumatra Sea, Sunda Strait and Pelabuhanratu are high and in Prigi Sea is low. Thevalue in Sumatra Sea is 0.868, in Sunda Strait is 0.660, in Pelabuharatu Sea is 0.751 and in Prigi sea is 0.588.The fish production caught by fisherman influence by northwest monsoon (rainy season) and southeast monsoon (dryseason). Fish production will decrease in rainy season, and increase at dry season.The correlation value between fish production and DMI has a high correlation in Sumatra Sea, Sunda Strait andPelabuhanratu Sea. Meanwhile, in Prigi Sea the corelation is low. Correlation value in Sumatra Sea is 0.851, in SundaStrait is 0.656, in Pelabuhanratu Sea is 0.691 and in Prigi Sea is 0.463.
PENGARUH PENAMBAHAN UREA, KOMPOS CAIR, DAN CAMPURAN KOMPOS DENGAN GULA TERHADAP KANDUNGAN BOD DAN COD PADA PENGOLAHAN AIR LIMBAH PENCELUPAN I W. BUDIARSA SUYASA; WAHYU DWIJANI
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 4 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Seed of Mikroorganisme from river mud sediment that sampling of Tebe counted ± 10 gr. Phase of seeding withcapasity of 3 litre (sediment) of Tebe, was counted by 3 gr, NPK = 2,5 gr, Mgso4.7H2O = 0,2 gr, and aquades untilborder. Aerasi is conducted by using given aerator into seed place. Growth of microorganism was measured of eachevery 2 day during one week with measuring value of biomass till reach price 2000 mg / L. After seed process, intotreatment place aeraeration of process of seeding domestic waste water and each counted 500 mL. Variation of nutrienttreatment (NPK) respectely 0,25 gr, 0,50 gr, 0,75 gr and 1.00 gr while control without addition of nutrient. Process ismeasured by value of pH, COD on 1, 3, 5, and 7 day.Result of research show that Sediment River of Tebe have potency as active mud. This matter is showed withgrowth of biomass of microbe till reach number 3.610 mg / L. Addition variation of NPK at treat of domestic waste havean effect on very real to value of COD. Best Result with value of COD lowest that is 38,096 mg / L with its effectivenessto 91,11% at addition of NPK counted 0,5 gr.

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