PENGARUH PERCAMPURAN AIR TERHADAP OKSIGEN TERLARUT DI SEKITAR KARAMBA JARING APUNG, WADUK CIRATA, PURWAKARTA, JAWA BARAT

Hefni Effendi, Enan M Adiwilaga, Agustina Sinuhaji

Abstract


Penelitian dilakukan di sekitar keramba apung Waduk Cirata (KJA), Purwakarta, Jawa Barat. Penelitian bertujuan untuk mengetahui fluktuasi ketersediaan oksigen terlarut dalam perairan, melalui percampuran massa air yang diambil dari beberapa kedalaman. Konsentrasi DO di lokasi KJA di Waduk Cirata menurun seiring bertambahnya kedalaman dengan kisaran rata-rata adalah 0,3 - 0,5 mg/l (lapisan dasar) hingga 8,0 - 8,4 mg/l (permukaan). Distribusi vertikal oksigen terlarut menggambarkan tipe perairan clinograde. Kedalaman zona eufotik mencapai 3,81 m. Terdapat variasi ketersediaan oksigen terlarut dari pencampuran massa air meromictic dan holomictic. Pada perlakuan 1 (meromictic hingga 12 m) nilai rata-rata DO yaitu 7,00 - 7,41 mg/l. Perlakuan 2 (meromictic hingga 24 m) nilai rata-rata DO 5,28 - 5,48 mg/l. Perlakuan 3 (holomictic hingga 42 m) memiliki nilai rata-rata DO sebesar 2,44 - 2,84 mg/l. Jika terjadi percampuran meromictic hingga kedalaman 12 m dan 24 m maka kegiatan budidaya ikan masih dianggap layak, karena nilai DO >5 mg/l. Akan tetapi, pencampuran holomictic mengakibatkan DO melewati ambang batas, sehingga tidak dapat menopang budidaya perikanan

Keywords


dissolved oxygen, reservoir, floating cage, Cirata Resevoir, Purwakarta

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References


Fielding, M., Schwanenberg, D., Twight, D.J., Eikaas, H.S., Pinho, J.L.S. and Viera, J.M.P. 2010. DSS for Water Quality Management of Marna Reservoir System in Singapore 9th International Conference on Hydroinformatcs, Tianjin, China. 8 p

Garno, Y. S. 2002. Dinamika dan Status Kualitas Air Waduk Multi Guna Cirata. Jurnal Sains dan Teknologi Indonesia. 4 (4): 1–8

Mustapha, M.K. 2008. Assessment of the Water Quality of Oyum Reservoir, Offa, Nigeria, Using Selected Physico- Chemical Parameters. Turkish Journal of Fisheries and Aquatic Siences 8 : 309-319

Thomas, C.L., Powell, J.D., and Johnson, D.M. 2008. Is Reservoir Water Quality Important in Hydroelectric Power Generaton. Ferrum College, USA. 28 p.

Effendi, Y. M. 2008. KJA Waduk Jatiluhur Membutuhkan 4 Juta Ekor Ikan Bandeng. http:// www. Madina. com [22 November 2009].

Husen, M. 2000. Kelestarian Danau dan Waduk di DAS Citarum Potensi dan Ancaman. Prosiding Semiloka Nasional Pengelolaan dan Pemanfaatan Danau dan Waduk. Bandung, 7 November 2000. Halaman 61-73.

Hoybya, J., Iritz, L., Zheleznyak, M., Maderich, V., Demchenko, R., Dziuba, N., Donchitz, G., and Koshebutsky, V. 2002. Water Quality Modelling to Support the Operation of the Kakhovka Reservoir, Dnieper River, Ukraine. Proceedings of the Fifth International Conference on Hydroinformatics, Cardiff, UK. 946 – 951 p.

Tiri, A. and Boudoukha, A. 2010. H y d r o c h e m i c a l A n a l y s i s a n d Assessment of Surface Water Quality in Koudiat Medouar Reservoir, Algeria. European Journal of Scientific Research. Vol 41 No 2 : 273-285 p.

Effendi, H. 2003. Telaah Kualitas Air Bagi Pengelolaan Sumberdaya Dan Lingkungan

Perairan. Kanisius. Jogjakarta. 258 hal.

Mullins, M.L. and Whisenant, A.S. 2004. Sommerville Reservoir Water Quality Study. Texas Parks and Wildlfe. 20 p.

Jain, S., Baumberger, L., Adams, S., Jackson, T. and Fuller, B. 2007. Offstream Reservoir: A Tool for Improving Yeld and water Quality Reliability. Florda Water Resources Journal. February 2007. p 22-25

Papadmitrakis, Y. and Fidikakis, A. 2005. An Integrated Approach to Water Quality Monitoring in Reservoirs, Aqueducts, and Distrbution Networks of Water Supply Systems. European Water 11/12: 27-34.

Graham, J.L., Loftin, K.A., Ziegler, A.C., and Meyer, M.T. 2008. Cyanobacteria n Lakes and Reservoirs: Toxin and Taste and Odor Sampling Guidelines. U.S. Geological Survey TWRI Book 9. 65 p.

Garno, Y.S. 2001. Status dan Karakteristik Pencemaran di Waduk Kaskade Citarum. Jurnal Teknologi Lingkungan, 2 (2) : 207-213

Goldman, G. R. and Horne, A. J. 1983. Limnology. McGraw Hill Book Company. International Student Edition, Japan.

Prihadi, T. H. 2005. Pengelolaan Budidaya Ikan Secara Lestari di Waduk: Studi Kasus di Perairan Waduk Cirata Jawa Barat. Disertasi. Sekolah Pascasarjana IPB. Bogor. 226 hal.

Asante, K.A. Quarcopome, T. and Amevenku, F.Y.K. 2007. Water Quality of the Weija Reservoir after 28 Years of Impoundment. West African Journal of Applied Ecology. Vol 13.

Wax, P. 2006. Lake Water Quality Assessment for Pipestem Reservoir Stutsman County, North Dakota. North Dakota Depertment of Health. Divison of Water Quality. 15 p.

Garcia, F.C., Barbosa, F.A.R., Braz, S., Petrucio, M.M. and Faria, B. 2009. Water Quality of an Urban Reservoir Subjected to Periodic Applications of Copper Sulphate: the Case of Ibirite Reservoir, Southeast Brazil. Acta Limnol. Bras. Vol 21 No 2 p. 235 – 243.

Akintola, F.O. and Gbadegesin, A. 1997. Land-use Changes and Water Quality in Impounded Water- Supply Dams in Southwest Nigeria. Freshwater Contamination Proceeding of Rabat Symposium S4, IAHS.




DOI: https://doi.org/10.20886/jklh.2012.6.1.51-60

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