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Effects of Environmental Variables on some Physiological Responses of Microtus montanus under Natural Conditions
Author(s) -
Aelita J. Pinter
Publication year - 1985
Publication title -
annual report
Language(s) - English
Resource type - Journals
eISSN - 2693-2407
pISSN - 2693-2385
DOI - 10.13001/uwnpsrc.1985.2503
Subject(s) - biology , ecology , population , natural (archaeology) , population density , zoology , demography , paleontology , sociology
Cyclic fluctuations in the population density of microtine rodents have been known since antiquity. However, factors responsible for this phenomenon are not known. The objectives of this long term study are essentially three-fold. First, to characterize those environmental variables that might affect Microtus montanus in different seasons of the year. Second, to record the growth, maturation and reproductive activity of the voles under natural conditions. Third, to determine the maturational as well as the seasonal pelage changes of these rodents. The data resulting from the execution of the above objectives would be correlated in an attempt to determine the causes underlying the multiannual fluctuations in the population density of these microtine rodents in Grand Teton National Park.

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