SPECIES COMPOSITION OF GASTROPOD MOLLUSCS (GASTROPODA: MOLLUSCA) IN LAN CHAU AND HON NGU ISLANDS OF CUA LO, NGHE AN PROVINCE
DOI:
https://doi.org/10.51453/2354-1431/2022/809Keywords:
Mollusca, average density, biodiversity, research areaAbstract
Research on the composition of terrestrial gastropod mollusks in Lan Chau and Hon Ngu islands in Cua Lo sea area (Nghe An) was carried out in August 2022. The analysis results show that there are 5 species, 5 genera and 4 families. Through the study, it was found that terrestrial gastropod molluscs in the study area usually live in places with temperatures from 20.10C - 240C, humidity from 85% to 89.1%.
Terrestrial gastropod molluscs are usually distributed in places with thick rotten mats or under low light substrates: In Lan Chau Island, 4 species were identified, with the normal density of all species being 30.3 ind/m2; At Hon Ngu island, 3 species have been identified with the average density of all species being 15.87 ind/m2. Research results have determined that the biodiversity index of terrestrial gastropod molluscs in Hon Ngu island is less diverse than in Lan Chau island.
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