Biodiversity of Cryptofauna (Decapods) and Their Correlation with Dead Coral Pocillopora sp. Volume at Bunaken Island, North Sulawesi

Decapod is known as cryptofauna which is also important component of coral reef biodiversity. Dead corals are one of the area which usually used by decapods to live. This research aims to observe the diversity of cryptofauna (decapods) and the correlation between the number of decapods with the volu...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2018-02, Vol.116 (1), p.12053
Main Authors: Al Malik, Muhammad Danie, Kholilah, Nenik, Kurniasih, Eka Maya, Sembiring, Andrianus, Pertiwi, Ni Putu Dian, Ambariyanto, Ambariyanto, Munasik, Munasik, Meyer, Christopher
Format: Article
Language:English
Subjects:
Abundance
Asymptotes
Biodiversity
Bunaken Island
Coral reef ecosystems
Coral reefs
Corals
Correlation
Crustaceans
Dead Coral
Decapod
Pocillopora
Rarefaction
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Summary:Decapod is known as cryptofauna which is also important component of coral reef biodiversity. Dead corals are one of the area which usually used by decapods to live. This research aims to observe the diversity of cryptofauna (decapods) and the correlation between the number of decapods with the volume of dead corals. Ten dead corals, Pocillopora sp., were collected at 5 m depth at Bunaken Island. These dead corals were measured their volume and all decapods found were counted and identified up to family level. The richness and abundance were analyzed using ACE (Abundance-Based Coverage Estimates) and Chao 1. The results show that there were in total 474 decapods from 13 families found within all ten dead corals. Xanthidae was showed as the most abundance family among all, with 161 individual. Diversity index of decapods was found at medium category with value of 2.01. Rarefaction curve based on richness and abundance showed an estimation of 13 families. The result also indicated that the asymptote stage was reached on the 10th dead coral samples. The correlation between decapod with the volume of dead coral were showed significant positive correlation (r = 0.673, p
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/116/1/012053