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Population growth and intrinsic rate of natural increase of the high arctic nematode Chiloplacus sp. at low and high temperatures

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Summary

Population growth of the High Arctic free-living soil nematode Chiloplacus sp. was measured at 0°, 2°, 5°, 10°, 15°, 20° and 25° C. The corresponding values of the intrinsic rate of natural increase, r, were 0, 0.0178, 0.0605, 0.0823, 0.1216, 0.1384 and 0.2131 respectively. The relation of r to temperature is described by the function r=0.0088+0.0075T. Chiloplacus sp. grows and reproduces at lower temperatures than do many other nematodes, and has shorter generation times at comparable low temperatures, suggesting rate compensation to low temperature.

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  1. Department of Biology, University of Botswana, P/B 0022, Gaborone, Botswana

    D. L. C. Procter

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  1. D. L. C. Procter
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Procter, D.L.C. Population growth and intrinsic rate of natural increase of the high arctic nematode Chiloplacus sp. at low and high temperatures. Oecologia 62, 138–140 (1984). https://doi.org/10.1007/BF00377387

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  • DOI: https://doi.org/10.1007/BF00377387

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