Holothuria scabra, Holothuria atra dan Bohadschia marmorata merupakan jenis teripang dengan habitat yang sangat beragam dan umumnya ditemukan dalam jumlah yang dominan dibandingkan jenis lainnya. Penelitian ini bertujuan untuk menganalisis kepadatan dan pola pertumbuhan teripang H. scabra, H. atra dan B. marmorata serta asosiasinya dengan jenis lamun di pesisir Pulau Ambon, Pulau Osi dan Pulau Marsegu. Asosiasi teripang dengan lamun dianalisis dengan menggunakan analisis koresponden (CA). Penelitian dilakukan pada bulan Oktober 2019 sampai November 2019. Pengambilan sampel dilakukan pada pada 3 stasiun yang mewakili masing-masing lokasi dengan menggunakan kuadran 1m2. Hasil penelitian mendapatkan kepadatan teripang berkisar dari 4,0 sampai 6,6 ind/100 m2. Secara keseluruhan pola pertumbuhan teripang adalah allometrik negatif dimana pertumbuhan panjang lebih cepat dibandingkan dengan pertumbuhan berat. Thalassia hemprichii merupakan jenis lamun dengan kerapatan tertinggi sebesar 64407 ind/100 m2 dan Halodule pinifolia adalah jenis terendah sebesar 900 ind/100 m2. Hasil koresponden analisis menunjukkan adanya tiga kelompok asosiasi antara teripang dengan lamun. Berdasarkan hasil penelitian menunjukkan bahwa Perbedaan jenis lamun dan kerapatan lamun berdampak pada kepadatan dan penyebaran jenis teripang.
Sea cucumbers, Holothurians, are high economic value resources according to their utilization for food and medicine. Due to the roles affect the increasing of sea cucumber exploitation in natural, the sea cucumbers are consequently categorized as endangered species. People in Saparua Island have been utilized the resources for years, including people in Paperu. Hence, the research was carried out to analyze the density and abundance of sea cucumber species at the seagrass ecosystem on Paperu Waters Saparua Bay. The research was conducted in October 2017 by using the linear transect method which consisted of three stations and 9 transects. The results showed that no less than eight species were found on the site, which were classified into one order, two families, and three genera. The eight species are approximately found in various densities and abundance, i.e. Bohadschia bivittata, B. marmorata, B. vitiensis, Holothuria atra, H. edulis, H. leucospilota, H. scabra, and Stichopus horrens. The highest density and abundance was found at species Bohadschia vitiensis and B. bivittata, respectively 0,16 ind.m−2 and 5.336 ind, while the lowest density and abundance were found at species H. leucospilota (0,04 ind.m−2 and 1.334 ind).
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