4 record(s) found for principle investigator "Welch, Harold" (multi-year projects are grouped):
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Productivity of Marine Mammal Food Chains in the Northwest Passage
Principal Investigator: Welch, Harold
Licenced Year(s): 1993 1992 1991 1990 1988 1987
Summary: The researcher and his team will continue their marine research at Resolute. They will continue their work on the trophic dynamics of the arctic marine food chain as it pertains to marine mammal and seabird production. The main goal is to obtain data on seasonal cycles of energy flow. The team will also be examining organochlorine and heavy metal contaminants in the marine system....


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....


Licence #4017
Principal Investigator: Welch, Harold
Licenced Year(s): 1984
Summary: To carry out a study on quantification of the marine food chain leading to marine mammal production....


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