Title | Komposisi, Kemelimpahan dan Keanekaragaman Fitoplankton Danau Rawa Pening Kabupaten Semarang |
Author Order | 1 of 3 |
Accreditation | |
Abstract | Rawa Pening is a semi natural lake which is utilized for hydro-electric power plant,ÃÂÃÂ caged fish culture, irrigation, and tourism. It belongs to one of the fifteen lakes which receives national priority to be saved and preserved because of its very poor condition as a result of eutrophication, sedimentation and degraded water quality. Eutrophication ofÃÂÃÂ RawaÃÂÃÂ Pening comes from the Water Catchment Area,ÃÂÃÂ originating from farms, animal husbandry, domestic and industrial waste around the lake, and also from the water body itself, that is from caged fish culture. The fertility criteria of the lake water can be determined on the basis of the abundance and variety of phytoplankton and the total phosphorus content. The aim of this research is to find out the water fertility criteria of Lake Rawa Pening based on the abundance and variety ofÃÂÃÂ phytoplankton, and the phosphorus content. Research began in July 2012 on three stations. Station I is an area with fishcage culture;ÃÂÃÂ Station II is an area without fishcage culture, and Station III is the river inlet or water catchment area. Each station consisted of three different sampling areas. The phytoplankton abundance at the station withoutÃÂÃÂ fishcage culture is higherÃÂÃÂ (19012 ind/l) than at the fishcage culture station (14356 ind/l)ÃÂÃÂ as well as at the inlet station (11058 ind/l), but the diversity index at the no fishcage station is lowest (1.80)ÃÂÃÂ compared to the fishcage culture station (2.32)ÃÂÃÂ and the inlet station (2.05). The fertility criteria of Rawa Pening based on the phytoplankton abundance and P-totalÃÂÃÂ ofÃÂÃÂ its water is eutrophicÃÂÃÂ goingÃÂÃÂ towardsÃÂÃÂ hypereutrophic. ÃÂÃÂ Keywords : Lake Rawa Pening, Phosphorus, Water Quality, Euthropication |
Publisher Name | Departemen Biologi, Fakultas Sains dan Matematika, Universitas Diponegoro |
Publish Date | 2013-06-09 |
Publish Year | 2013 |
Doi | DOI: 10.14710/bioma.15.1.6-13 |
Citation | 1 |
Source | Bioma : Berkala Ilmiah Biologi |
Source Issue | Vol. 15, No.1, Tahun 2013 |
Source Page | 6-13 |
Url | https://ejournal.undip.ac.id/index.php/bioma/article/view/9433/7598 |
Author | SESILIA RANI SAMUDRA, S.Pi, M.Si |
File | 1405975.pdf |
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