Kelimpahan, Keanekaragaman, dan Pertumbuhan Alami Bintang Laut (Asteroidea) di Perairan Pantai Semawang dan Pantai Samuh, Bali
The Abundance, Diversity, and Natural Growth of Starfish (Asteroidea) in Semawang and Samuh Beaches, Bali
Abstract
Semawang beach and Samuh beach are located in the area of Sanur and ITDC Nusa Dua, Bali. This study aims to find out abundance, diversity, domination, natural growth of starfish, and to know the physical and chemical conditions of waters. The method used was descriptive quantitative method. The highest total abundance in sub station 1 was 0,0045 ind/m2 (Semawang beach), diversity index ranged from 0,86 to 1,06 and the dominance index ranged from 0,45 to 0,5. The highest total abundance in sub station 1 was 0,118 ind/m2 (Samuh beach), diversity index ranged from 1,32 to 1,92 and dominance index ranged from 0,21-0,4. The long range of arms (R), radius of disc (r), and weight (W) of the starfish found on Semawang beach and the Samuh beach was R: 5,9-13,6 cm, r: 0,9-7,8 cm, W: 15,6-1896,6 gr, and R: 3,6-11,6 cm, r: 0,5-7,9 cm, W: 6,3-1835,9 gr. The equation of arms length relation and weight and the relation of radius of disc and weight with the highest R2 value at Semawang Beach is found in the Pentaster obtusatus species W = 0,1738L2,8214 and 70% W = 11,9780L1,7876. The equation of arms length relation and weight and the relation of radius of disc and weight with the highest R2 value at Samuh beach is found in species Linckia guildingi W = 2,9166L0,6170 and W = 9,2138L0,5169. The measurement result water quality parameters in Semawang beach waters ranges from 29-30°C (temperature), 5,5-5,7mg/L (DO), 30,5-31,5 ppt (salinity), and 8,2-8,5 (pH), while in Samuh beach waters of ranges 28-28,5°C (temperature), 5,5 mg/L (DO), 30-30,8 ppt (salinity), and 7,7 (pH).
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References
Effendi, H. (2003). Telaah Kualitas Air. Yogyakarta: Kanisius.
Faiqoh, E. (2015). Distribusi spasial dan identifikasi biodiversitas lamun di perairan Tanjung Benoa. Dalam Prosiding Seminar Nasional Sains dan Teknologi (Senastek) 2015. Denpasar, Indonesia, 29-30 Oktober 2015 (pp. 3 -11).
Faiqoh, E., Hayati, H., & Yudiastuti, K. (2016). Studi Komunitas makrozoobenthos di kawasan hutan mangrove Pulau Penyu, Tanjung Benoa, Bali. Journal of Marine and Aquatic Science, 2, 24-28.
Gaffar, S., Neviaty, P., Zamani, & Purwati, P. (2014). Preferensi mikrohabitat Bintang Laut perairan pulau Hari, Selawesi Tenggara. Jurnal Ilmu dan Teknologi Kelautan Tropis, 6(1), 1-15.
Jacobson, M.Z. (2005). Studying ocean acidification with conservative, stable numerical schemes for nonequilibrium air-ocean exchange and ocean equilibrum chemistry. Journal of Geophysical Research, 110, 1-17.
Katili, A. (2011). Sruktur komunitas Echinodermata pada zona intertidal di Gorontalo. Jurnal Penelitian dan Pendidikan. 8(1), 51-61.
Odum, E.P. (1993). Fundamental of ecology. Dalam Tjahjono, S. (Terj.), Dasar-dasar Ekologi. Yogyakarta, Indonesia: Gajah Mada University Press.
Pergub Bali. (2016). Peraturan Gubernur Bali No. 16 Tahun 2016 Tentang Baku Mutu Lingkungan Hidup. Bali, Indonesia: Pemerintah Provinsi Bali.
Pinn, W.S., Fang, A.N.P., Razali, N.M., Nilamani, N., Peng, T.C., Yasin, Z., Hwai, T.S., & Fujita, T. (2014). New records of sea stars (Echinodermata Asteroidea) from Malaysia with note on their association with seagrass beds. Biodiversity journal, 5(4), 453-458.
Puspitasari, Suryanti, & Ruswahyuni. (2012). Studi taksonomi Bintang Laut (Asteroidea, Echinodermata) dari Kepulauan Karimunjawa, Jepara. Journal of Management of Aquatic Resources, 1(1), 1-7.
Silaen, D.B., Arthana, I.W., & Saraswati, S.A. (2018). Distribusi teripang (holothuroidea) pada perairan Pesisir Nusa Lembongan, Kecamatan Nusa Penida, Kabupaten Klugkung, Bali. Journal of Marine and Aquatic Sciences, 4(2), 263-270.
Subiyanto, Solichin, A., & Kuncoro, M.D. (2013). Aspek biologi ikan Nila (Oreochromis niloticus) di perairan Rawa Pening, Kabupaten Semarang. Journal of Management of Aquatic Resources, 2(2), 73-80.
Supono, & Arbi., U.Y. (2010). Struktur komunitas Ekinodermata di padang lamun perairan Kema, Sulawesi Utara. Oseanologi dan Limnologi Indonesia, 36(3), 329-341.
Tahe, O.S., Langoy., M.L.D., Katili., Y.D, & Papu., A. (2013). Keanekaragaman Echinodermata di Pantai Tanamon Kecamatan Sinonsayang Sulawesi Utara. Jurnal Bios logos, 3(2), 65-72.
Yusron, E. (2016). Sruktur komunitas ekhinodermata (Asteroidea, ophiuroidea, echinoidea, dan holothuroidea) di perairan Taman Nasional Wakatobi Sulawesi Tenggara. Jurnal Ilmu dan Teknologi Kelautan Tropis, 8(1), 357-366.
Yusron, E. (2009). Keanekaragaman jenis Ekhinodermata di perairan Teluk Kuta, Nusa Tenggara Barat. Makara Sains, 13(10), 45-49
Zamanil, N.P. (2015). Kondisi terumbu karang dan asosiasinya dengan Bintang Laut (Linckia laevigata) di perairan Pulau Tunda, Kabupaten Seram, Provinsi Banten. Jurnal Teknologi Perikanan dan Kelautan, 6(1), 1-10.
