Erwinsyah Putra, 1220011009 (2015) PENGARUH KERAPATAN KERAMBA JARING APUNG (KJA) TERHADAP KUALITAS PERAIRAN WADUK WAY TEBABENG KABUPATEN LAMPUNG UTARA. Masters thesis, Universitas Lampung.
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Abstrak (Berisi Bastraknya saja, Judul dan Nama Tidak Boleh di Masukan)
Abstrak Waduk Way Tebabeng terletak di Desa Jagang, Kabupaten Lampung Utara. Tahun 2014 waduk tersebut memiliki kerapatan KJA yang tinggi dengan jumlah total 214 KJA. Tujuan penelitian ini adalah menganalisis pengaruh persentase kerapatan KJA terhadap kondisi kualitas perairan dan mendeskripsikan aktivitas pengelolaan budidaya ikan pada KJA oleh pembudidaya ikan di Waduk Way Tebabeng. Penelitian ini menggunakan metode purpoesive random sampling. Terdapat 6 stasiun pengamatan yaitu, inlet waduk, kerapatan KJA 25 %, kerapatan KJA 50 %, kerapatan KJA 75 %, kerapatan KJA 100 %, dan outlet waduk. Periode pengamatan dilakukan sebanyak 4 kali, yaitu pada hari ke-0, ke-15, ke-30, dan hari ke-45. Parameter kualitas air yang diamati yaitu parameter fisika (suhu, kecerahan, TSS), parameter kimia (pH, DO, BOD, COD, NO3, NO2, NH3, PO4, H2S), dan parameter mikrobiologi (total coliform). Penentuan kualitas perairan waduk berdasarkan nilai indeks pencemaran. Indeks pencemaran ditentukan dari perhitungan parameter kualitas air. Hasil penelitian menunjukkan bahwa peningkatan persentase kerapatan keramba jaring apung (KJA) tidak berbanding lurus dengan peningkatan indeks pencemaran. Nilai indeks pencemaran ke 6 stasiun pada pengamatan hari ke-45 berkisar antara 10,28-14,19. Nilai indeks pencemaran ke-6 stasiun termasuk kategori tercemar berat. Nilai korelasi kerapatan KJA terhadap indeks pencemaran adalah berkorelasi negatif senilai r = -0,085. Pengaruh persentase kerapatan KJA terhadap indeks pencemaran senilai R = 0,7 %. Budidaya ikan di Waduk Way Tebabeng masih tradisional dengan menggunakan jaring tunggal. Kata kunci : budidaya ikan, indeks pencemaran, keramba jaring apung, Waduk Way Tebabeng ABSTRACT Way Tebabeng reservoir is located in the Jagang Village, North Lampung. In 2014 this reservoir had high density with a total of 214 floating net cages. The purpose of the study is to analyze the influence of floating net cages percentage density to describe the water quality condition and aquaculture activities in Way Tebabeng Reservoir. The study used a purpoesive random sampling method. There were six observation stations namely, inlet reservoir, 25 % floating net cages density, 50 % floating net cages density, 75 % floating net cages density, 100 % floating net cages density, and outlet reservoir. The observation period was performed 4 times, on 0, 15th, 30th, and 45th days. Water quality parameters were observed included physical parameter (temperature, brightness, TSS), chemical parameter (pH, DO, BOD, COD, NO3, NO2, NH3, PO, H2S), and microbiological parameter (coliform total). Determination of reservoir water quality based on the pollution index value. Pollution index is determined from the calculation of all water quality parameters. The results showed that the percentage increase in the density of floating net cages is not give an affect an the pollution index value. Pollution index of the six stations on the 45th day observation showed range from 10.28-14.19. Pollution index all of the six stations categorized high polluted. The correlation value of floating net cages density versus pollution index value is negatively correlated at r = -0.085. Effect of floating net cages percentage density against pollution index valued is showed at R = 0.7 %. Aquaculture activities in Way Tebabeng reservoir was managed traditionally by using a single net. Key words: aquaculture, floating net cages, pollution index, Way Tebabeng Reservoir
| Jenis Karya Akhir: | Tesis (Masters) |
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| Subyek: | > Budidaya . Perikanan . Angling |
| Program Studi: | Fakultas Pertanian dan Pascasarjana > Prodi Magister Ilmu Lingkungan |
| Pengguna Deposit: | 3933128 . Digilib |
| Date Deposited: | 25 Apr 2015 04:48 |
| Terakhir diubah: | 25 Apr 2015 04:48 |
| URI: | http://digilib.unila.ac.id/id/eprint/9040 |
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