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biologybenthic invertebrates
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2 record(s) found for principal investigator "Barr, David" (multi-year projects are grouped):
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Licence #2654
Principal Investigator: Barr, David W.
Licensed 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....
Licensed 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.
Licensed Year(s): 1979
Summary: To make collections of aquatic mites from pond and lake margins to determine the diversity of the species for future years' study....
Licensed Year(s): 1979
Summary: To make collections of aquatic mites from pond and lake margins to determine the diversity of the species for future years' study....
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