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![Counting live and dead salmon eggs from egg sack plants is necessary todetermine the factors and rates of survival for overall production estimates ofa river system fish6019.jpg Counting live and dead salmon eggs from egg sack plants is necessary todetermine the factors and rates of survival for overall production estimates ofa river system](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_fish6019.jpg?itok=ze380rg2)
Description
Counting live and dead salmon eggs from egg sack plants is necessary todetermine the factors and rates of survival for overall production estimates ofa river system. Production estimates provide material for basing regulations,and insuring proper utilization and management. (Image credit: NOAA Central Library Historical Fisheries Collection)