CATATAN BARU DAN KEANEKARAGAMAN KOPEPODA DI PERAIRAN PANTAI DAN MANGROVE PULAU PANAITAN, TAMAN NASIONAL UJUNG KULON, BANTEN

Mulyadi Mulyadi, Rena Tri Hernawati, Ujang Nurhaman
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Abstract

Observasi tentang keragaman, kelimpahan, dan sebaran kopepoda di perairan pantai dan mangrove di Pulau Panaitan dilakukan pada bulan November 2008 (musim hujan). Sampel kopepoda diambil dengan jaring plankton secara horizontal dan vertikal pada siang dan malam hari, kemudian disimpan dan diidentifikasi di MZB LIPI. Penelitian ini bertujuan untuk mengukur keanekaragaman dan kelimpahan kopepoda di musim hujan yang mempunyai suhu dan salinitas tertentu. Ditemukan 72 jenis kopepoda dari 37 marga, 24 suku, dari enam bangsa termasuk dua catatan baru, yaitu Pontella forficula dan Pseudodiaptomus incisester. Keanekaragaman kopepoda di pantai dan mangrove tinggi sekitar 0,9473 dan 0,8345 (rentang 0-1). Akan tetapi, jika keduanya dibandingkan maka keanekaragaman kopepoda di pantai lebih tinggi dibandingkan di mangrove (3,584 vs. 2,431). Pontella denticauda dan Temora discaudata yang merupakan tipe neritik ditemukan mendominasi perairan pantai, sedangkan Corycaeus speciosus dan Oncaea conifera yang merupakan tipe neritik mendominasi perairan mangrove. Dominasi jenis oleh kopepoda neritik terjadi karena perairan Pulau Panaitan bersalinitas tinggi dan bersuhu rendah.

Keywords

Kopepoda, neritik, salinitas, suhu, teknik horizontal, teknik vertikal

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