Endang Dewi Masithah and MUHAMMAD GIANO FADHILAH and Muhamad Amin, '- and KURNIATI UMRAH NUR and LAILA MUSDALIFAH and SHIFANIA HANIFA SAMARA and YUDI CAHYOKO and ALIMUDDIN and SAHRUL ALIM and BAGUS DWI HARI SETYONO (2023) Diversity and abundance of planktoncommunity in Tawang and Prigi Bays,natural settlement habitats of SpinyLobster larvae in East Java, Indonesia. Biological Diversity, 24 (3). pp. 1642-1649. ISSN 1412-033X

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Abstract

Masithah ED, Fadhilah MG, Amin M, Nur KU, Musdalifah L, Samara SH, Cahyoko Y,Alimuddin, Alim S, Setyono BDH . 202 3 . Diversity and abundance of plankton community in Prigiand Tawang Bays, natural settlement habitats of Spiny Lobster larvae in East Java, Indonesia . Biodiversitas 24 : 1642-1649 . Prigi and Tawang Bays have been well-known as settlementareas for spiny lobster larvae, Panulirus spp., in East Java, Indonesia. These locations maysuggest suitable environments including diet availability for lobster larvae. Therefore, thepresent study aimed to investigate the type and abundance of plankton in both locations todiscover potential live diets for lobster larvae. This study also explored plankton’s diversity,uniformity, and dominance indices in both locations. Plankton samples in each location werecollected using a plankton net at four depths: 0.3 m, 2.5 m, 5 m, and 20 m with threereplicates. The results revealed that 17 plankton species were identifi ed from 0.30 m depth,13 at 2.5 m, 11 at 5 m, and 13 at 20 m depth at Prigi Bay. In addition, 17 plankton species werediscovered at 0.3 m depth, 11 at 2.5 m, 12 at 5 m, and 12 at 20 m at Tawang Bay. Among themost abundant species were Acartia sp., Calanus sp., Paracyclopina sp., and Oithona sp. Thediversity indices observed in Karanggongso of Prigi Bay and Tawang Bay ranged from 2.02-2.49 and 2.17-2.65, respectively, within the moderate range. Similarly, the uniformity indicesobserved at both locations were moderate, ranging from 0.38-0.45 at Prigi Bay and 0.41-0.46at Tawang Bay. There were no dominant species at both locations, as the dominance indexvalues ranged from 0.13-0.30. Among the identifi ed plankton species, Oithona sp., Calanus sp., Paracyclopina sp., and Acartia sp. are considered potential live feed for lobster larvae, and thusshould be further studied.

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