Testing for a shift in a species boundary

dc.contributor.author Solow, Andrew R.
dc.contributor.author Beet, Andrew R.
dc.contributor.author Roll, Uri
dc.contributor.author Stone, Lewi
dc.date.accessioned 2013-12-09T20:30:58Z
dc.date.available 2013-12-09T20:30:58Z
dc.date.issued 2013-12-09
dc.description The files included are computer code for achieving the test described in the associated manuscript. The code is written in MATLAB and requires the optimization toolbox. en_US
dc.description.abstract One predicted impact of climate change is a poleward shift in the boundaries of species ranges. Existing methods for identifying such a boundary shift based on changes in the observed pattern of occupancy within a grid of cells are sensitive to changes in the overall rate of sightings and their latitudinal distribution that are unconnected to a boundary shift. A formal test for a boundary shift is described that allows for such changes. The test is applied to detect northward shifts in the northern boundary of the Essex skipper butterfly and the European goldfinch in Great Britain. A shift is detected in the latter case but not in the former. Results from a simulation study are presented showing that the test performs well. en_US
dc.format.mimetype application/zip
dc.format.mimetype text/plain
dc.identifier.doi 10.1575/1912/6348
dc.identifier.uri https://hdl.handle.net/1912/6348
dc.language.iso en_US en_US
dc.rights CC0 1.0 Universal *
dc.rights.uri http://creativecommons.org/publicdomain/zero/1.0/ *
dc.subject Climate change en_US
dc.subject Extreme value statistics
dc.subject Occupancy
dc.subject Species range
dc.subject Bootstrap
dc.subject Endpoint estimation
dc.title Testing for a shift in a species boundary en_US
dc.type Dataset
dspace.entity.type Publication
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readme.txt
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readme file explaining code usage
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mainBootStrapping.m
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Main file. Run this file
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main2Times.m
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sub file - fits under the alternative and the null hypotheses
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sub_ReadData.m
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sub file - read data
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sub file - simulate data
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