Fishing Flashcards
dredging
type of bottom trawling for benthic species such as oysters, scallops, oysters and clams/crabs
bottom trawling
dragging nets along bottom of seafloor
longline fishing
lines with baited hooks that take lots of marine organism
why is overfishing such a difficult issue to solve in our oceans?
Larger fish are desirable and overfished; bycatch is common with many of the fishing technique (30% of catch is thrown
away; kills sea mammals and birds
pros of aquaculture
economic opportunity; protects natural ecosystems from overfishing
cons of aquaculture
reduces diversity, introduces disease to local ecosystems, unpredictable, increased risk of water
contamination
aquaculture
the farming of aquatic organism
by-catch
untargeted fish caught