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All Journal BULETIN OSEANOGRAFI MARINA Journal of Marine Research BIOPROSPEK Hearty : Jurnal Kesehatan Masyarakat Jurnal Perikanan Ilmu Perikanan Tropis Nusantara Jurnal Pengabdian Pada Masyarakat
Suryana, Irma
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Journal : Journal of Marine Research

 1 
Struktur Komunitas Makrozoobentos di Pantai Tanah Merah, Perairan IKN Baru, Kalimantan Timur Suryana, Irma; Ritonga, Irwan Ramadhan; Paputungan, Mohammad Sumiran; Agathajani, Brigitha Anjeli; Elisar, Elisar
Journal of Marine Research Vol 13, No 3 (2024): Journal of Marine Research
Publisher : Departemen Ilmu Kelautan, Fakultas PerikanJurusan Ilmu Kelautan, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jmr.v13i3.41556

Abstract

Makrozoobentos mampu hidup di sedimen lumpur, pasir, batu, kerikil maupun sampah organik di perairan laut, sungai, kolam ataupun danau. Ia merupakan organisme yang berperan dalam rantai makanan sebagai konsumen primer dan konsumen sekunder serta membantu terdistribusinya nutrien dan mineral di substrat perairan. Penelitian pendahuluan ini diharapkan dapat memberikan gambaran tentang struktur komunitas Makrozooobentos di pantai Tanah Merah Samboja, serta melihat jenis substrat sedimen dan kandungan nutriennya. Peletakkan kuadran plot berukuran 2 x 0,25 m2 pada luasan 2400 m2 yang terbagi menjadi 6 titik pengamatan pada zona subtidal memperoleh 182 individu Makrozooobentos yang teridentifikasi sebagai 19 spesies kelas Gastropoda, 15 spesies Bivalvia dan 1 spesies dari kelas Scapopoda. Kelimpahan total dikonfirmasi sebesar 228 ind/m2 dimana pola sebaran kelimpahan per titik linear dengan kandungan Nitrat, Ortofosfat, total Fosfat dan Karbon organik dalam sedimen. Indeks keanekaragaman, keseragaman dan dominansi secara berurutan terukur 3,085 (tinggi), 0,854 (tinggi) dan 0,064 (tidak ada jenis yang mendominasi). Adapun persentase fraksi pasir dalam kisaran 90-97% sebagai kategori tipe substrat.   Macrozoobenthos lives on mud, sand, stone, gravel or organic waste in the ocean floor, river, pond or lake. It is an active organism in the food chain as a decomposer and contributes to spreading some nutrients and minerals on the sediment substrate. This first record research had been to describe the structure community of Macrozoobenthos at Tanah Merah’s beach in Samboja district, also analyzed the type of substrate and the composition of the nutrient. The laying plot in size 2 x 0,25 m2 on the area of 2400 m2, which divided into six substations was, found 182 individuals of Macrozoobenthos, which is confirmed as 19 species of Gastropods, 15 species of Bivalva and 1 species of Scaphopoda. The total abundance was 227,5 ind/m2, whereas each substation's distribution pattern had linearity with nitrate, orthophosphate, total phosphate, and C-organic contents in the sediment. The diversity, uniformity, and dominance index sequentially confirmed 3,085 (high), 0,854 (high), and 0,064 (low). Then, it was confirmed sand fraction in range 90-97% for the type of substrate.
Co-Authors Achmad Fauzi Adnan Adnan Agathajani, Brigitha Anjeli Ahmad Ahmad Andini, Ardita Dwisepti Arwadi, Tri Bulan, Dewi Embong Elisar, Elisar Eryati, Ristiana Firman , Firman Ghitarina Ghitarina, Ghitarina Hamdhani, Hamdhani Irwan Ramadhan Ritonga Jani, Brigitha Anjely Agatha Kania Karnelia Kusumaningrum, Widya Novia, Rani Nurfadilah Nurfadilah Paputungan, Mohammad Sumiran Saputri, Dea Sigalingging, Andi Suyatna , Iwan