CD Skripsi
Struktur Komunitas Gastropoda Pada Ekosistem Lamun Di Perairan Teluk Madong Kampung Bugis Kota Tanjungpinang Provinsi Kepulauan Riau
Seagrass ecosystem in the Madong Bay is inhabited by numerous aquatic organisms, including gastropods. A research aim to determine the community structure of gastropds in the seagrass ecosystem has been conducted on July – August 2019. Data was collected from 3 stations, there were 2 line transects in each station. In each line there was 4 quadrats (1m x 1m). Gastropods present inside the quadrat were collected manually. Results shown that there was 9 species of gastropods, namely Pirenella cingulate, Cerithium coralium, Drupella margariticola, Nassarius canoldalis, Nerita lineata, Pugilina cochilidium, Strombus canarium, Strombus urceus and Trochus maculatus. The diversity index (H’) was 1.99 – 2.49 (medium), uniformity index (E) was 0.77 – 0.83 (high) and dominance index (C’) was 0.32 – 0.22. There was 4 species of seagrass, namely Enhalus acoroides, Thalessia hemparicii, Halophila ovalis and Cymodocea serrulata. Correlation between seagrass and gastropod densities was 0.60 (medium).
Keywords : Pirenella cingulate, diversity index, uniformity index, dominance index
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