6217 to 6228 of 14011 results
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Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
Read more of: Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rateThe age distribution of breeding female Antarctic fur seals at Bird Island, South Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971–1973. The mean […]
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Response of Antarctic fur seals to immobilization with ketamine, a ketamine-diazepam or ketamine-xylazine mixture, and zoletil
Read more of: Response of Antarctic fur seals to immobilization with ketamine, a ketamine-diazepam or ketamine-xylazine mixture, and zoletilAdult Antarctic fur seals (Arctocephalus gazella) were immobilized with Zoletil® (n= 172), ketamine (n= 30), ketamine mixed with diazepam (n= 23) and with ketamine mixed with xylazine (n= 45). Response […]
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A comparative study of patterns of water loss from two Antarctic springtails (Insecta, Collembola)
Read more of: A comparative study of patterns of water loss from two Antarctic springtails (Insecta, Collembola)Dehydration experiments were conducted on individual Collembola at 0% relative humidity with the temperature ramped from 5 to 34°C at the rate of 0.5°C min−1. Continuous records of weight loss […]
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Cold resistance in all life stages of two blowfly species (Diptera, Calliphoridae)
Read more of: Cold resistance in all life stages of two blowfly species (Diptera, Calliphoridae)1. Freezing was lethal in the eggs, larvae, pupae and adults of the blowflies Calliphora vicina R‐D. and Calliphora vomitoria (L.), but varying degrees of supercooling were found. 2. Cold […]
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Cold Tolerance of Insects and Other Arthropods [and Discussion]
Read more of: Cold Tolerance of Insects and Other Arthropods [and Discussion]Arthropods, as poikilotherms, adapt to cold environments in a variety of ways that include extension of locomotory activity to low temperatures, enhancement of metabolic rate and maintenance of a positive […]
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Spring distribution, size composition and behaviour of krill Euphausia superba in the western Weddell Sea
Read more of: Spring distribution, size composition and behaviour of krill Euphausia superba in the western Weddell SeaDistribution, size composition and behaviour of Euphausia superba were investigated in the northwestern Weddell Sea (59–63°S, 45–52°W) in October-November 1988 using RMT trawling, SCUBA diving and visual examination of the […]
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Simultaneous HF-radar and DMSP observations of the cusp
Read more of: Simultaneous HF-radar and DMSP observations of the cuspThe Geospace Environment Modeling (GEM) Program is directed toward modeling the coupled solar wind/magnetosphere/ionosphere system. The inter‐calibration of ground‐based observations of the ionosphere and satellite observations has been identified as […]
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Use of a tiletamine-zolazepam mixture to immobolise wild grey seals and southern elephant seals
Read more of: Use of a tiletamine-zolazepam mixture to immobolise wild grey seals and southern elephant sealsA mixture of tiletamine and zolazepam at a combined dose of 1 mg/kg was a reliable and safe agent for immobilising wild grey seals (Halichoerus grypus) and southern elephant seals […]