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All Journal Journal of Aquatropica Asia e-Jurnal Rekayasa dan Teknologi Budidaya Perairan
Henny Wijayanti
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Immunology & microbiology

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KEANEKARAGAMAN KERANG BIVALVIA DI SEPANJANG PASIR PANTAI WISATA KERANG MAS, DESA MUARA GADING MAS, KECAMATAN LABUHAN MARINGGAI, LAMPUNG Aprilia Indah M Riani; Suparmono Suparmono; Darma Yuliana; Henny Wijayanti
Journal of Aquatropica Asia Vol 6 No 2 (2021): Journal of Aquatropica Asia
Publisher : Jurusan Akuakultur, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/aquatropica.v6i2.2609

Abstract

East Lampung Regency has a coastal area of East Lampung with 316 ha. One of the coastal tourist areas owned by East Lampung Regency is Shells Mas Beach. This beach has a fairly long coastline where there are a lot of bivalves, but the inventory of the types of bivalves on the beach.The purpose of the research is to analyze both the species diversities of bivalves and physical also chemical conditions of the waters. The research methodology used purposive sampling method analysis of species abundance data, diversity index, and index dominance. From the result of the bivalve diversities on the coast, bivalve the most common found are is Matra grandis,it is found out that there is no dominating bivalve amongst them due to below normal dominating rate that is 0,08-0,16 to be considered low level (00,00<C≤0,30); middle with diversity index 2,18–2,70 (2<H’≤3); high with index diversity 0,85–0,94 (E>0,6). The highest abundance value at station 1 is 4787.01 ind/m3 and the lowest species abundance value at station 3 is138.75 ind/m3. From the results of the chemical physics measurements, it shows that it still is in the range of sea water quality standards. The Bivalve diversity relationship shows a positive correlation to the parameters of salinity, grain size, and sediment TSS. Meanwhile, it shows negative correlation for parameters DO, pH and temperature.
Pemanfaatan Kompos Kulit Kakao (Theobroma cacao) untuk Budidaya Daphnia sp Arif Wibowo; Henny Wijayanti; Siti Hudaidah
e-Jurnal Rekayasa dan Teknologi Budidaya Perairan Vol 2, No 2 (2014)
Publisher : University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.354 KB)

Abstract

Pemanfaatan Daphnia sp. sebagai pakan alami dalam pembenihan ikan air tawar berasal dari kultur alamiah. Ketersediaan pakan alami ini tidak mencukupi untuk memenuhi kebutuhan pembenihan ikan yang semakin meningkat.  Budidaya Daphnia sp. dilakukan untuk  menjaga ketersediaan jumlah untuk kebutuhan panti benih. Pakan alami ini dapat dibudidayakan dengan memanfaatkan kompos kulit buah kakao (Theobroma cacao) sebagai sumber nutrisi.  Penelitian bertujuan untuk mengetahui efektifitas penambahan jumlah kompos kulit buah kakao pada peningkatan populasi Daphnia sp. Penelitian dilakukan dengan menggunakan rancangan acak lengkap dengan perlakuan penambahan kompos kulit buah kakao sebanyak 3, 6, 9 dan 12 gr/l. Akuarium berukuran 27 x 15 x 12 cm yang berisi induk Daphnia sp. sebanyak 20 ekor setiap perlakuan. Hasil penelitian menunjukkan bahwa penambahan kompos kulit buah kakao sebanyak 6 gr/l memberikan pengaruh nyata terhadap pertumbuhan populasi Daphnia sp.  Parameter kualitas air meliputi oksigen terlarut, pH dan amonia selama penelitian masih dalam kisaran yang bisa ditoleransi oleh Daphnia sp.
Co-Authors Aprilia Indah M Riani Arif Wibowo Siti Hudaidah Suparmono Suparmono Yuliana, Darma