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All Journal Biopendix: Jurnal Biologi, Pendidikan dan Terapan
Sriyanti Salmanu
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Biochemistry, Genetics & Molecular Biology Education

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KEANEKARAGAMAN GASTROPODA PADA ZONA INTERTIDAL TENGAH (MIDLE INTERTIDAL ZONE) DAN ZONA INTERTIDAL BAWAH (LOWER INTERTIDAL ZONE) DAERAH PADANG LAMUN DESA WAAI Sriyanti Salmanu
BIOPENDIX Vol 1 No 1 (2014): Biopendix : Jurnal Biologi, Pendidikan & Terapan
Publisher : Program Studi Pendidikan Biologi FKIP Unpatti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/biopendixvol1issue1page8-12

Abstract

Background: Seagrass grows and spreads in nearly all parts of the intertidal zone. Waai village has characteristic sloping coastal water and have different patterns of zonation of seagrass in the intertidal zone's third-impact on the presence of seagrass and the organisms in it. Methods: The study was conducted in coastal waters Waai village, in the middle of the intertidal zone (middle intertidal zone) and the lower intertidal zone (lower zone intertidal). The samples in this study are all kinds of gastropods found in each plot observation station of 100 plots. Gastropod species diversity using diversity index formula Shannon - Wiener referred to under Ludwig and Reynolds. Results: From the results of the study found 8 species of gastropods and has a diversity index that is currently in the middle intertidal zone, the average diversity index of 1.76, while in the lower intertidal zone, the average gastropod diversity index was 1.45. Conclusion: diversity index indicates the middle intertidal zone, the average diversity index of 1.76, while in the lower intertidal zone, the average index of diversity of gastropods is 1.45, this is caused by the different seagrass zonation patterns and habits of the people who frequently uses seagrass area for commercial purposes.
KEKAYAAN DAN KEPADATAN GASTROPODA BERDASARKAN TIPE PANTAI DI PERAIRAN PANTAI DESA SULI DAN WAAI KABUPATEN MALUKU TENGAH Sriyanti Salmanu
BIOPENDIX Vol 1 No 2 (2015): Biopendix : Jurnal Biologi, Pendidikan & Terapan
Publisher : Program Studi Pendidikan Biologi FKIP Unpatti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/biopendixvol1issue2page112-116

Abstract

Background: Type of coastal waters Suli village and village Waai is vegetated Beach, the beach is overgrown by vegetation beach. Coastal vegetation was found growing along the coastline is a mangrove and seagrass. Species richness index is a measure of the wealth of species that depend on the direct relationship between the logarithm of the number of species and area sampling. The population density of animals depends on the number of animals is regulated through intra- and interspecific relationships resulting directly from feedback density. Ecologically, seagrass acts as a major manufacturer in the food chain. Methods: This study is a descriptive study was conducted using a survey. The variables to be studied is the richness and density of gastropods in the intertidal zone Suli village and village Waai Central Maluku district. Species richness index calculated by the formulation Margalef. Results: Result: The gastropod wealth index in coastal waters of Suli Village is 0.77 and Waai village is 0.72. It can be interpreted that the index of wealth in both coastal waters is bad. The absolute density of gastropods in the coastal waters of Suli village was 30.02 and the absorbance of gastropods in the coastal waters of Waai village was 22.42. Conclusion: Wealth gastropods in coastal waters Suli village and village Waai categorized as bad as wealth index is less than 2.5, while the density of gastropods in coastal waters Suli village and village Waai are at a high level. This situation is caused by the type of vegetation seagrass gastropods which are Suli village gastropod found as many as 13 types and villages Waai found 8 species and a number of individual lot.
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