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Oceanography Ch 15

Environmental Issues

TermDefinition
Toxicants substance dissolved in water that produces a harmful effect on organisms, either by an immediate large dose or by small doses over a period of time.
Plastic trash ocean trash comprised of plastic thrown into the ocean
Biological invaders alien species not native to a particular environment
Overfishing and incidental catch the act of removing adult fish faster than the population of that fish can accommodate, resulting in reduction of the total population
Asian clam Potomocorbula amurensis …clam originally from the China Seas now residning in San Francisco Bay…brought over by container ships...
European green crab Carcinus maenas…crab originally from Europe now residing in San Francisco Bay…broguth over in the 1820's by wooden ships
Zebra mussel
Biomagnify the concentration of impurities or contaminants in biological organisms through transfer from lower to higher trophic level organisms during consumption.
Eutrofication the overenrichment of waters with biologically important nutrients that leads to excessive algal growth
Aquaculture cultivation of aquatic organisms under controlled conditions
Created by: Permian
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