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marine mammals 
biology 
food chain 
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benthic invertebrates 
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2 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 quantify benthic invertebrates such as snails and clams, monitor phytoplankton, nutrients, and zooplankton, sample Char Lake fauna and flora for stable isotope and heavy metal analysis, and study schools of arctic cod and associated predators....


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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