Interpreting habitat distribution models of an elusive species,the marbled murrelets: a response to Burger and Page |
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Authors: | Yuri Zharikov David Lank Falk Huettmann Fred Cooke |
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Institution: | (1) Centre for Wildlife Ecology, Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada, V5A 1S6;(2) Pacific Rim National Park, 2185 Ocean Terrace, P.O. Box 280, Ucluelet, BC, Canada, V0R 3A0;(3) Department of Biology and Wildlife, Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK 99775, USA;(4) Larkin’s Cottage, 6 Lynn Road, Castle Rising, Norfolk, PE31 6AB, UK |
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Abstract: | Burger and Page (this volume) evaluated our models of habitat preferences and breeding success of a threatened seabird, the
marbled murrelet (Brachyramphus marmoratus), based on the largest available set of confirmed nest-sites found in coastal old-growth forest of the Pacific North-West.
We believe our study documented novel and unexpected patterns of landscape-level distribution of marbled murrelets in both
heavily logged and relatively intact old-growth landscapes and provided insights into how these patterns influence their reproduction,
and, eventually, management. Considering the importance of the issue and to ensure appropriate and responsible use of the
information we welcome discussion, detailed scrutiny and evaluation of our original results. Burger and Page claim to have
identified flaws with model interpretation, data quality, statistical approaches, presentation and interpretation of our results
that would invalidate our conclusions. We respond that most of their critique is irrelevant and/or misdirected with respect
to our study and the interpretation of GIS data models, and that valid aspects of their claims do not critically affect our
conclusions. |
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Keywords: | Brachyramphus marmoratus Distribution modelling Habitat management Logistic regression Marbled murrelets Old-growth forest |
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