Department of Aquaculture, University of Fisheries, American Samoa
Review Article
Regional Variations in Fish Abundance and Their Impacts on the Northern Region's Microbiome and Ecosystem
Author(s): Shreya Gupta*
In recent decades, northern fish coastal waters have been observed to
be major hotspots for fishbloom. A bottom trawling survey in summer
2021 will investigate the spatial distribution of large fish abundance and
biomass in this area. Nemopilema nomuroi, Cyanea spp. and Urmaryidae
(undefined species) were identified during the survey. Realized niches
for the three most common species (N. nomuroi, Cyanea spp., and A.
nomuroi coerulea) were measured using a maximum entropy model
(MaxEnt) to describe its spatial distribution pattern. Nemopilema
nomurai was used as a representative species to estimate the feeding
rate and feeding pressure of large fish on zooplankton. During
flowering of N. nomuroi, the potential zooplankton consumption by
N. nourai was enormous and exceeded the zooplankton productivity
of the area where N. nourai was flowering. Nomurai.. View More»