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19by Piper, Stephen R., MacLean, Stephen F., Christensen, BentGet access
Published in Canadian Journal of Zoology (1982)
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Article in Journal/Newspaper -
20by Dobbs, C. G., Holding, A. J., Heal, O. W., MacLean, S. F., Flanagan, P. W.Get access
Published in The Journal of Ecology (1975)
Article in Journal/Newspaper