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Systematics and ecology of the Sexguttata species group, genus Cicindela (Coleoptera: Cicindelidae) / by Michael M. Kaulbars. --
The systematics of Cicindela sexguttata Fabricius and Cicindela patruela Dejean was studied. Various aspects of their holomorphology were considered, including: multivariate analysis of external characters, morphology ...
Biology of "peak" and "late" nesting Ring-billed gulls, Granite Island, Lake Superior
Late-nesting Ring-billed Gulls in this study laid fewer and smaller eggs and hatched fewer young than earlier nesting pairs. Birds nesting late in the season appeared to lack sufficient stimuli for incubation, as indicated ...
Effect of physical fitness exercise on the distribution of plasma high density lipoprotein cholesterol and other lipid fractions
The effect of participation in a physical fitness programme of moderate intensity on plasma lipoprotein cholesterols, total cholesterol, triglycerides and apolipoprotein-A levels was investigated. Forty-nine inactive ...
Production ecology of the amphipod Hyalella azteca (Saussure) in a Northern Ontario lake
Annual production of the amphipod Hyalella azteca was estimated in the upper littoral zone of Dock Lake, Ontario, over a 2 year period (1980-1981). Population density (negligible below 1 meter) differed among the three ...
Initial effects of the exploitation of walleye, Stizostedion vitreum vitreum (Mitchill) on the boreal percid community of Henderson Lake, Northwestern Ontario
The effect of large scale exploitation of walleye Stizostedion vitreum vitreum on the boreal percid community of Henderson Lake, northwestern Ontario, was studied from 1979 to 1981. Investigations centered on the two major ...
Behaviour and reproductive success of female-female pairs of Ring-billed gulls (Larus delawarenis), Granite Island
Female-female pairs of Ring-billed Gulls were studied on Granite Island, northern Lake Superior, during the breeding seasons of 1979 and 1980. In 1979 the colony consisted of approximately 2400 pairs with 99 nests (4.1%) ...