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HCNSO Student Theses and Dissertations

Theses/Dissertations

2019

Microplastics

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Full-Text Articles in Marine Biology

The Association Between Stomach Fullness And Vertical Migration Behavior In Deep-Pelagic Crustaceans And Fishes In The Gulf Of Mexico, With Notes On Microplastic Ingestion, Ryan P. Bos Apr 2019

The Association Between Stomach Fullness And Vertical Migration Behavior In Deep-Pelagic Crustaceans And Fishes In The Gulf Of Mexico, With Notes On Microplastic Ingestion, Ryan P. Bos

HCNSO Student Theses and Dissertations

This thesis presents: 1) the first statistically rigorous support for the longstanding hypothesis that state of satiation modifies diel vertical migration patterns of deep-sea micronektonic crustaceans and fishes; and, 2) the first assessment of microplastic ingestion by deep-pelagic micronekton in the Gulf of Mexico and Straits of Florida. Deep-sea pelagic crustaceans and fishes significantly contribute to abundance and biomass of pelagic ecosystems, are frequently consumed by commercially valuable fishery species, and serve to transport both nutrients and pollutants between shallow and deep waters. The results presented herein will be valuable for assessing risk associated with potential biomagnification of plastic through …