Abstract. Mujiyanto, Sugianti Y, Afandy YA, Rahayu R, Bidikusuma RA, Nasriri AS, Syam AR, Purnaningtyas SE. 2021. Reef fish community structure in the islands of Paraja Bay, Pandeglang District, Banten, Indonesia. Biodiversitas 22: 4402-4413. Paraja Bay waters have five small islands that coexist with Ujung Kulon National Marine Park and act as a buffer zone for the diversity of fishery resources. This study aimed to assess the reef fishes community structure at small islands in Paraja Bay. Observations were made in 20 locations during August and September 2019 in the five small islands. Reef fishes community structure showed 106 species as included major group (54 species), indicator group (24 species) and target group (28 species), among five small islands, i.e. Badul, Mangir, Oar, Sumur and Umang Islands. The highest reef fishes abundance was founded in Umang Island waters. Several target fish species recorded during the study were mature fish (such as those targeted by fishermen). Only a small proportion were juveniles. Reef fish community structure was categorized as stress community to stable community with its indication was low diversity value, high evenness index, and low dominance. The low diversity index value illustrates that the level of uniformity of reef fish species in Paraja Bay waters is high. This condition is evidenced by each coral fish group's evenness index included in the main species group around 0.93 to 0.98. The target species is 0.88 to 0.99.
ABSTRAK Penelitian ini mengkaji tentang kesesuaian habitat penyu hijau di Kawasan Konservasi Perairan Kata kunci: Chelonia mydas, penyu hijau, kesesuaian, konservasi, Pangumbahan ABSTRACTThis study reviews the suitability of habitat for the green turtle in the Pangumbahan Turtle Park. The purpose of this study is to evaluate the existing zoning system and to provide recommendations of alternative zoning approach based on ecological suitability turtle habitat. Observations and fieldwork were undertaken throughout the coastal area of Pangumbahan from January to June 2015 by collecting data which include nesting site for turtles, sand temperature and moisture content, width of the beach, surface slope of the beach, vegetation cover, seagrass and secondary data. Methods of data analysis consists of suitability analysis with the spatial approach using Geographic Information System. The results of the analysis of overlay method were classified into three classes of suitability, which include very suitable covering 6.91 hectares, suitable covering 14.60 hectares and less suitable covering 37.21 hectares. The current existing zones needs to be revised using the recommended zoning system. As an implementation of the findings from this study as well as to effectively manage the conservation area based on the green turtle ecology, it is highly recommended to do a zoning system which is based on the principal of the green turtles habitat suitability to ensure the sustainability of the green turtle within the conservation area. This will ensure the zoning system suits the green turtles' characteristics hence enabling each of the zones to effectively functioning.
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