Kebiasaan Makanan Beberapa Jenis Ikan di Ekosistem Mangrove Lubuk Kertang, Sumatera Utara

نویسندگان

چکیده

Mangrove ecosystems are very important for coastal waters, one of which is as a provider food sources biota in the surrounding waters. This study aims to determine habits several types fish found waters around Lubuk Kertang mangrove ecosystem, Langkat, North Sumatra. The research location restoration area with main species Rhizopora apiculata. was conducted January 2021. collection samples carried out using gill net 1.5 inchi commonly used by fishermen. Sampling spreading three times. tested consisted 46 individuals 12 species, 9 families, and 6 orders. highest number caught Clupeiformes percentage 41.67%, while order low Beloniformes (2%). families large numbers were Mugillidae, Lutjanidae Serranidae. most Chelon subviridis. Stomach contents analysis performed Index Preponderance (IP). Based on type stomach test fish, there various consisting 11 types, namely phytoplankton, zooplankton, squid, (juvenile fish), crabs, shrimp, shellfish, litter, moss, pieces insect bodies, plant parts. that fragments phytoplankton (7 species), shrimp litter (5 species). Ekosistem sangat penting bagi perairan salah satunya adalah sebagai penyedia sumber makanan pada di sekitarnya. Penelitian ini bertujuan untuk mengetahui kebiasaan beberapa jenis ikan yang ditemukan sekitar ekosistem Kertang, Sumatera Utara. Lokasi penelitian merupakan wilayah restorasi dengan vegetasi utama dilakukan bulan Januari Pengumpulan sampel menggunakan jaring ukuran biasa digunakan oleh nelayan. melakukan tiga kali tebar jaring. Sampel uji terdiri dari individu spesies, famili, dan ordo. Jumlah terbanyak tertangkap persentase sebesar sedangkan ordo rendah Famili dalam jumlah besar famili Spesies paling banyak Analisis isi perut Indeks Berdasarkan uji, terdapat berbagai yaitu fitoplankton, cumi-cumi, (juvenil ikan), kepiting, udang, cangkang kerang, serasah, lumut, potongan tubuh serangga, tumbuhan. Jenis tumbuhan spesies ikan, fitoplankton spesies), udang spesies) serasah spesies).

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ژورنال

عنوان ژورنال: Jurnal Kelautan Tropis

سال: 2023

ISSN: ['1410-8852', '2528-3111']

DOI: https://doi.org/10.14710/jkt.v26i2.16143