Seasonal variation of bivalve diversity in seagrass ecosystem of Labakkang coastal water, Pangkep, South Sulawesi, Indonesia

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Hamsiah, Endang Y. Herawati, Mohammad Mahmudi, Aida Sartimbul

2016 AACL Bioflux Vol. 9 Issue 4 Article Cited by 8 Quartile

Abstract

One of the fisheries resources in the coastal area of Labakkang, Pangkep Regency, is bivalve which mostly found in seagrass ecosystem. A study on bivalves of seagrass ecosystem was conducted based on seasons, July to September 2013 (dry season) and January to March (rainy season). It was aimed at knowing the bivalve diversity in relation with seasons. The study used a quadratic transect method from the coastal line seawards to the end of seagrass population. Results show that there were found 323 individuals of 17 species in dry season and 216 individuals of 14 species in rainy season. Anadara sp. (Arcidae), Marcia hiantina and Anomalodiscus squamosus (Veneridae) are dominated species in that area. Ecological index in either dry or rainy seasons showed that species diversity was moderate (1.832-2.235) that the ecosystem has got pressures, while the eveness index was even enough and there was no species dominance despite some species found in high abundance. Environmental parameters could still be tolerated by the bivalves, and other marine biota. © 2016 BIOFLUX SRL. All rights reserved.

Affiliations

Department of Marine Sciences, Faculty of Fisheries and Marine Science, Indonesian Moslem University, Jalan Urip Sumordjo Km.05, Kampus II UMI, Makassar, 90231, South Sulawesi, Indonesia; Department of Aquatic Resource Management, Faculty of Fisheries and Marine Science, Brawijaya University, Jalan Veteran, Malang, 65145, East Java, Indonesia