Biodiversity of gastropoda in the coastal waters of Ambon Island, Indonesia

Gastropods belonging to the mollusk phylum are widespread in various ecosystems. Ecologically, the spread of gastropoda is influenced by environmental factors, such as temperature, salinity, pH and dissolved oxygen. This research was conducted to determine the correlation between the factors of physico-chemical environment and the diversity of gastropoda in coastal water of Ambon Island, Indonesia. This research was conducted at two research stations, namely Station 1 at Ujung Tanjung Latuhalat Beach and Station 2 at coastal water of Waitatiri Passo. The results of a survey revealed that the average temperature on station 1 was 31.14°C while the average temperature of station 2 was 29.90°C. The average salinity at Station 1 was 32.02%o whereas the salinity average at Station 2 was 30.31%o. The average pH in station 1 and 2 was 7.03, while the dissolved oxygen at station 1 was 7.68 ppm which was not far different from that in station 2 with the dissolved oxygen of 7.63 ppm. The total number of species found in both research stations was 65 species, with the types of gastropoda were found scattered in 48 genera, 19 families and 7 orders. The most commonly found gastropods were from the genus of Nerita and Conus. 40 species were found in station 1 and 40 species were found in station 2. The results of the analysis showed the diversity value was very high with the diversity average of gastropoda in station 1 as much as 3.64 and in station 2 as much as 3.60 and classified into moderate category. In addition, the results of the correlation analysis showed that there was a significantly positive correlation between physical-chemical environmental factors (temperature, salinity, pH and dissolved oxygen) and the diversity of gastropoda in Coastal Waters of Ambon Island.

Rumahlatu D. & Leiwakabessy F., 2017. Biodiversity of gastropoda in the coastal waters of Ambon Island, Indonesia. AACL Bioflux 10(2):285-296. Article.

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