BIOD54H3 Lecture 7: Conservation Across Borders
14 Apr 2018
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Document Summary
We impact one another between countries: the north american free trade agreement (nafta) is an agreement signed by canada, mexico, and the united states, creating a trilateral trade bloc in north america. Many species of mammals, reptiles, birds and insects regularly migrate across international borders. Ecosystem services shared by two countries transcend a border wall, and even the border region itself. An example of multi-national conservation bluefin tuna. Pacific bluefin tuna can migrate 10 000 km in their lifetime. Exposed to pressure from fisheries in all stages. Abundance of spawning fish declined 69% in the last 2. 7 generations. In 2014, the international commission for the conservation of atlantic tuna (iccat) raised canadian quota for the western atlantic bluefin tuna from. 1750 metric tons to 2000 metric tons/a year. In 2017, iccat increased the quota again from 2000 metric tons to 2350 metric tons. The atlantic bluefin tuna are listed as critically endangered by the.
