Journal of Fisheries Science and Technology

Journal of Fisheries Science and Technology

Determination of Coral-fish Standing Biomass by using Non-definitive test and UVC method (Abu Mosa Island, Persian Gulf)

Document Type : Original Research

Authors
Siamak Behzadi 1
Siamak Darvishi 2
Ali salarpoori 1
Mohammad Momni 1
Sajjad Pourmozaffar 3
Reza Dehghani 4
1 Persian Gulf and Oman Sea Ecology Research Center, Agricultural Research Education and Extension Organization (AREEO), Iranian Fisheries Sciences Research Institute, Bandar Abbas, Iran
2 Persian Gulf and Oman Sea Ecology Research Center, Agricultural Research Education and Extension Organization (AREEO), Iranian Fisheries Sciences Research Institute, Bandar Abbas, Iran.
3 Persian Gulf Mollusks Research Station, Agricultural Research Education and Extension Organization (AREEO), Iranian Fisheries Sciences Research Institute, Bandar-e-Lengeh, Iran.
4 Persian Gulf and Oman Sea Ecology Research Center, Agricultural Research Education and Extension Organization (AREEO), Iranian Fisheries Sciences Research Institute, Bandar Abbas, Iran, P.O. 79145-1597.
Abstract
Estimation of coral fishes biomass is needed as a basic benchmark for assessing the ecological status and fishing potential of coral reefs. Different methods are used to sampling the biomass of these communities, that direct observation is one of the preferred methods with respect to the non-destructive advantage. The purpose of investigation was to estimation standing biomass of coral fishes by Underwater Visual Census method (UVCm) in Abu-Musa Island seasonally from October 2019 to September 2020. also confidence interval was calculated of these estimations from the bootstrapping test (95%). Standing biomass of Coral fish and their confidence interval (95%) by bootstrapping simulation (n=479) were determinated 2923.6 kg., 4576.2 kg, and 1645.4 kg for the stations one, two and three respectively. The difference in the biomass standing of coral fish in three station could be related to the lack of differences in the amount of developed reefs, coral communities and significant differences in habitat availability. Also, the standing biomass of coral fishes in the Abu-Musa Island are limited, that can be attributed to their low habitat, shortage of carrying capacity and the short life of the Persian Gulf basin, and stress that occurs in the ecosystem, especially bleaching events, that need more study in the future.
Keywords
Standing biomass
Coral fishes
UVCm
AbuMosa Island
Persian Gulf

Subjects

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