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biology 
benthic invertebrates 
aquatic insects 
specimen collection 

2 record(s) found for principle investigator "Barr, David" (multi-year projects are grouped):
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Licence #2654
Principal Investigator: Barr, David W.
Licenced Year(s): 1981
Summary: To make a detailed study of aquatic mite and benthic invertebrates (small aquatic organisms) in the lakes, ponds and streams. Samples of all types will be collected for preservation in the museum's research collection....


Licence #2530
Principal Investigator: Barr, David W.
Licenced Year(s): 1980
Summary: to make about 25 collections of aquatic mites from pond and lake margins and to determine if the diversity of the species warrants more extensive research in future years. All speciments collected will be preserved and deposited with the Royal Ontario Museum for future study....


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