1Sitti Wirdhana Ahmad, 1Amirullah, 1Sitti Nur Aini, 2La Ode Muh. Munadi, 3Damhuri, 3Lili Darlian, 2Muhammad Amrullah Pagala, 2Deki Zulkarnain
1Faculty of Mathematics and Natural Sciences, Halu Oleo University
2Faculty of Animal Science, Halu Oleo University.
3Faculty of Teacher Training and Education, Halu Oleo University.
Jl. H.E.A Mokodompit, Campus Hijau Bumi Tridharma Anduonohu, Kendari City, Southeast Sulawesi 93232, Indonesia
DOI : https://doi.org/10.47191/ijmra/v6-i10-34Google Scholar Download Pdf
ABSTRACT:
This study aims to determine the community structure of starfish (Asteroidea) at three observation stations, namely sandy substrate, sandy substrate dominated by seagrass, and sandy substrate dominated by coral reefs in Pasir Timbul Bone Labunta waters. Sampling was carried out in April-May 2023. The indicators in this study are the species abundance index, diversity index, uniformity index, and dominance index. This type of research is a type of quantitative descriptive research. Determination of stations using purposive sampling technique, namely sampling based on substrate conditions and the presence of starfish (Asteroidea). The results of data analysis are presented in the form of figures and tables. The results showed that there were 4 species of starfish in the Asteroidea class, namely Protoreaster nodosus, Linckia laevigata, Archaster typicus, and Culcita novaeguineae. The diversity index at all observation stations showed a moderate category. The uniformity index at all observation stations shows a high category. The dominance index of Protoreaster nodosus, Linckia laevigata, Archaster typicus, and Culcita novaeguineae at all stations showed a moderate category.
KEYWORD:Dominance, Asteroidea, Diversity, Uniformity, Community Structure
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Volume 06 Issue 10 October 2023
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