Environmental factors influencing the occurrence of juvenile fish in the mangroves of Pagbilao,Philippines |
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Authors: | Leonard Pinto |
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Affiliation: | (1) Department of Zoology, Open University of Sri Lanka, Colombo-10, Sri Lanka |
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Abstract: | 128 fish species belonging to 54 families were collected from the mangroves of Pagbilao. Ambassis kopsi (Ambassidae) was the most abundant species.Fourteen environmental factors were correlated to the catch per unit time for some species. The occurrence of A. kopsi was positively correlated to nitrate in the water, carbon in the sediments and litter fall. Out of the 8 species investigated, 6 were positively correlated to litter fall. Three species showed positive correlation to phosphate in the water, two to organic carbon in the sediments, nitrate, silicate and pH, and one to salinity and carotenoids in water. The biomass of the total catch was correlated to carbon in the sediments and litter fall. |
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Keywords: | mangrove fish environmental factors catch per unit time |
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