Pola Pertumbuhan Dan Faktor Kondisi Kerang Remis (Corbicula sp.) di DAS Konaweha Kabupaten Konawe Growth Patterns and Condition Factors of Mussel Shell (Corbicula sp.) in Konaweha Watersed Konawe Regency
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Abstract
ABSTRAK
Remis merupakan jenis kerang-kerangan, memiliki ukuran kecil yang berasal dari filum moluska yang hidup di perairan berlumpur dan berpasir, yang salah satunya ditemukan di DAS Konaweha. Faktor lingkungan dan aktivitas yang dilakukan masyarakat seperti penangkapan berlebihan, penambangan pasir dapat mempengaruhi pertumbuhan kerang remis. Tujuan dari penelitian ini untuk mengetahui pola pertumbuhan, faktor kondisi kerang dan rasio berat daging remis di DAS Konaweha. Pengambilan sampel kerang remis dilakukan secara langsung di DAS Konaweha dengan menggunakan transek kuadrat ukuran 1×1 m² dengan cara meletakkan transek pada stasiun yang telah ditetapkan sebanyak tiga kali pengulangan. Pola pertumbuhan berdasarkan hubungan lebar dan bobot secara temporal memiliki nilai b sebesar 1,587-2,130, sedangkan secara spasial diperoleh nilai b sebesar 1,411-1,697, dengan kategori alometrik negatif. Nilai rata-rata faktor kondisi di DAS Konaweha secara temporal sebesar 0,59-3,07 sedangkan secara spasial sebesar 0,47-2,69. Nilai tersebut menunjukkan bahwa perairan DAS Konaweha masih cukup baik untuk kehidupan kerang remis. Persentase nilai rasio berat daging secara temporal 21,2%, sedangkan persentase rasio berat daging secara spasial sebesar 22,1%.
Kata Kunci: Kerang remis, pola pertumbuhan, rasio berat daging
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