Widiastuti, E.L. (2017) THE COMMUNITY STRUCTURE OF FORAMINIFERA BENTHIC AND IT RELATION WITH THE ABUNDANCE OF PLANKTONIC TO THE GROWTH OF CORAL REEFS IN THE GOSONG SUSUTAN AND PASIR TIMBUL, LAMPUNG BAY. Jurnal Ilmiah Biologi Eksperimen dan Keanekaragaman Hayati, 4 (1). pp. 47-56. ISSN 2338-4344

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Abstract

Penelitian ini dilaksanakan pada 01 Agustus sampai 21 Oktober 2016 di Laboratorium Petrologi dan Mineralogi Pusat Penelitian dan Pengembangan Geologi Kelautan (P3GL) Bandung. Sampel yang digunakan berasal dari Pasir Timbul dan Gosong Susutan, Teluk Lampung. Sampel sedimen berjumlah 32 set yang diambil pada 4 titik stasiun dan 2 kali pengambilan yaitu disekitar tepian, pada kedalaman 5m, pada daerah terumbu karang kedalaman 7 dan 15 meter, sampel plankton diambil pada 0 meter, 7 meter, dan 15 meter dengan tiga kali pengambilan. Identifikasi foraminifera menggunakan buku acuan Barker (1960) dan Loebich dan Tappan (1994). Hasil penelitian ini didapat 5 bangsa yang ditemukan, yaitu Rotaliida, Textulariida, Miliolida, Robertinida, dan Lagenida. Sebanyak 52 jenis berhasil diidentifikasi dengan Amphistegina lessonii yang paling melimpah sebagai foraminifera penciri terumbu karang. Analisis data menggunakan PAST version 2.09 diketahui kisaran nilai indeks keanekaragaman 0,57-2,21, nilai indeks keseragaman 0,24-0,65, dan nilai indeks dominansi 0,15-0,76. Nilai korelasi 0,53 – 0,87 menunjukkan adanya hubungan antara foraminifera dan kemelimpahan plankton terhadap pertumbuhan terumbu karang di perairan Gosong Susutan, Lampung. FORAM Index (FI) digunakan sebagai bioindikator kualitas perairan terhadap terumbu karang, nilai FI yang tinggi menunjukkan lokasi tersebut baik dan cocok untuk pertumbuhan terumbu karang, 5,04 untuk nilai terendah dan 9,02 untuk nilai tertinggi. Kata kunci : Foraminifera bentik, terumbu karang, plankton, Teluk Lampung. ABSTRACT This research was held on 1st august until 21st october 2016 at laboratory of Petrologi dan Mineralogi Pusat Penelitian dan Pengembangan Geologi Kelautan (P3GL) Bandung. The sample that being used was from pasir timbul and gosong susutan, lampung. The samples of sediment are 32 sets in total, and were taken twice on a 4 point around the shore, at a depth of 5m, on the coral reefs from a depth of 7 and 15 meters, plankton samples were taken thrice at 0 meters, 7 meters, and 15 meters, the identification of foraminifera was using reference books by Barker (1960) and Loebich and Tappan (1994). The results of this study was five ordos were found, named Rotaliida, Textulariida, Miliolida, Robertinida, and Lagenida. A total of 52 species were identified with Amphistegina lessonii as the most abundant coral reefs as foraminifera identifier. The analysis of data was using PAST version 2:09 and from that aplication was obtained the diversity index values range from 0,57 to 2,21 uniformity index values from 0,24 to 0,65 and the dominance index values from 0,15 to 0,76. The correlation value from 0,53 to 0,87 indicate a relation between the abundance of planktonic and foraminifera to the growth of coral reefs in the waters of Gosong Susutan, Lampung. Foram Index (FI) is used as bio-indicators of water quality on the coral reefs, FI high value indicates that the location is good and suitable for the growth of coral reefs, with 5,04 for the lowest value and 9,02 for the highest value. Keywords: foraminifera benthic, coral reefs, plankton, Lampung Bay.

Item Type:	Article
Subjects:	Q Science > QL Zoology
Divisions:	Fakultas Matematika dan Ilmu Pengetahuan Alam (FMIPA) > Prodi Magister Ilmu Biologi
Depositing User:	DR ENDANG LINIRIN WIDIASTUTI
Date Deposited:	02 Jun 2017 12:25
Last Modified:	02 Jun 2017 12:25
URI:	http://repository.lppm.unila.ac.id/id/eprint/2916

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