GEOG 102 Lecture Notes - Lecture 6: Grand Banks Of Newfoundland, Global Affairs Canada, Biomagnification
18 Apr 2016
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Document Summary
Oceanic systems: limited knowledge of ocean resources (relative to land based resources) e. g. fish stock assessment and uncertainties oceans cover 70% of the earth"s surface, but account for only. 50% of global primary productivity: limiting factors: temperature nutrients light. Ocean management challenges: fisheries b. habitat destruction c. pollution d. industrial activities e. costal developments f. Introduction of exotics aquaculture (fish farming: the farming of aquatic organisms (fish, shellfish, plants) in controlled environments bc and. Nb dominate the aquaculture industry atlantic salmon is the leading export by 2030, > 50% of fish for human consumption will come from aquaculture. Ecological impacts of aquaculture escapes of genetically engineered fish from net pens and introductions among wild stocks transmission of fish disease and its impact on wild stocks fouling of benthic environment under pens human health. Atlantic ocean environment 40,000 km long coastline most significant feature banks".
