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crustaceans 
biology 
marine animals 
nutrient levels 
seals 
algae 
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2 record(s) found for principle investigator "Welch, Harold" (multi-year projects are grouped):
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To determine the productivity of the most important components of marine mammal food chains
Principal Investigator: Welch, Harold
Licenced Year(s): 1988
Summary: To study epontic algae and amphipods in Chesterfield inlet area; to determine dynamics of Si and N as essential nutrients; to sample stomach contents of hunter-killed seals for food habit analysis....


Licence #5026
Principal Investigator: Welch, Harold
Licenced Year(s): 1985
Summary: Epontic primary production, phytoplankton production, and subice amphipod production in the Barrow Strait area; work at the ice edges in Lancaster Sound, and summer chlorophyll distribution....


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