Fisheries Science for Lawyers: Readings Accompanying CLE Program |
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Page 14
In the figure , the population level is d at the beginning of a harvest season . Consider the population - based policy that , beginning with a popula- tion of size d allows harvesting until the population has dropped to b .
In the figure , the population level is d at the beginning of a harvest season . Consider the population - based policy that , beginning with a popula- tion of size d allows harvesting until the population has dropped to b .
Page 38
Suppose a harvest amount is chosen on the basis of an estimate of the pre - harvest population . If the present population size is higher than estimated , then the population size after harvest will exceed OSP . If the permitted harvest ...
Suppose a harvest amount is chosen on the basis of an estimate of the pre - harvest population . If the present population size is higher than estimated , then the population size after harvest will exceed OSP . If the permitted harvest ...
Page 39
Finally , one compares the average adverse consequences for the candidate harvest quanti- · ties and then chooses the harvest quantity having the lowest average . This alternative method has not been applied to management of marine ...
Finally , one compares the average adverse consequences for the candidate harvest quanti- · ties and then chooses the harvest quantity having the lowest average . This alternative method has not been applied to management of marine ...
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Contents
II | |
A The Act and Biological Considerations | 1 |
B Optimum Sustainable Populations and Opti | 12 |
2 other sections not shown
Common terms and phrases
action activities agency agreement amendment animals application appointed appropriate authorized basis biological carry chinook Columbia River Commission Committee concerned conservation conservation and management considered consistent Convention Council court definition described designated determines discussion economic ecosystem effect endangered species established example exemption existing Federal finds fish fish or wildlife fishery management foreign functioning habitat harvest implement importation issued jurisdiction limited listed maintain marine mammals maximum means measures ment models natural necessary notice ocean operating optimum Pacific paragraph period permit person plants population present problems productivity prohibited proposed protection provisions pursuant reasonable regulation relating respect result salmon scientific Secretary STAT steelhead subsection sustainable taken taking term thereof threatened species tion United vessel violation yield zone