DAMAYANTI, ISNAENY RIZQI MEYLINA (2020) STRUKTUR UMUR DAN FAKTOR KONDISI IKAN DI SUNGAI PELUS WILAYAH KABUPATEN BANYUMAS TAHUN 2020. Bachelor thesis, UNIVERSITAS MUHAMMADIYAH PURWOKERTO.
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Abstract
The research aims to identify and reveal fish age structure and conditional factors as well as water quality in Pelus River in 2010. The researched water quality includes physics parameters, namely temperature, current speed, and brightness. Chemical parameters include pH and dissolved oxygen. The biological parameter includes plankton availability in the water. The research was conducted in January March 2020. The research method was a survey with purposive random sampling technique. The research was conducted in three different locations, namely station I in Pandak Village, station II in Arcawinangun Village, and station III in Pajerukan Village. The samples were taken using fishing gears of jala (cast net), jaring(gill net), and seser (fish net) in one-month interval by considering the time: daytime (07.00-10.00) and evening (19.00-22.00). A number of 292 fish belonging to 9 species, 5 family, and 3 ordo were caught during the research. The research result shows that the white fish age structure is dominated by young fish category causing it to be unproductive yet while lembutan (little) fish age structure is dominated by mature fish category, which is in a productive phase. The research of conditional factors based on sampling time and location shows that all the caught fish are in the category of allometric negative, meaning that the fish weight growth is not balanced with the fish length growth. The weight growth is slower than the length growth, meaning that the fish are thin. The research of water quality shows that the water quality in Pelus River in 2020 is still appropriate for fish life.
Dosen Pembimbing: | SUSANTO, SUSANTO | unspecified |
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Item Type: | Thesis (Bachelor) |
Uncontrolled Keywords: | age structure, conditional factor, water quality, Pelus River |
Subjects: | Q Science > QH Natural history > QH301 Biology |
Divisions: | Fakultas Keguruan dan Ilmu Pendidikan > Pendidikan Biologi S1 |
Depositing User: | wulan |
Date Deposited: | 08 Jun 2022 08:53 |
Last Modified: | 03 Jul 2024 08:04 |
URI: | http://repository.ump.ac.id/id/eprint/11914 |
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