Effects of Freshwater Runoff on Nearshore Tropical Marine Fisheries

摘要

A study was done to determine the relationship of freshwater runoff to breeding conditions, reproduction, and larval ecology of common nearshore marine fishery species. Finfish of the families Anchoa, Engraulidae, Culpeidae, Gobiidae, and Syngnathinae were found to reach peaks in the ichythoplankton about 6-8 weeks after heavy rains; however on two occassions peaks occurred without rains. The number of surviving fish larvae appears greater during plankton blooms following nutrient-rich runoff.