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A test for a shift in the boundary of the geographical range of a species

Overview of attention for article published in Biology Letters, February 2014
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Title
A test for a shift in the boundary of the geographical range of a species
Published in
Biology Letters, February 2014
DOI 10.1098/rsbl.2013.0808
Pubmed ID
Authors

Andrew Solow, Andrew Beet, Uri Roll, Lewi Stone

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 (Thymelicus lineola) butterfly and the European goldfinch (Carduelis carduelis) 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.

X Demographics

X Demographics

The data shown below were collected from the profiles of 4 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 46 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 2 4%
Switzerland 2 4%
United States 1 2%
Unknown 41 89%

Demographic breakdown

Readers by professional status Count As %
Researcher 16 35%
Student > Ph. D. Student 7 15%
Student > Bachelor 5 11%
Professor > Associate Professor 4 9%
Professor 3 7%
Other 7 15%
Unknown 4 9%
Readers by discipline Count As %
Agricultural and Biological Sciences 28 61%
Environmental Science 9 20%
Veterinary Science and Veterinary Medicine 1 2%
Earth and Planetary Sciences 1 2%
Social Sciences 1 2%
Other 1 2%
Unknown 5 11%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 21 February 2014.
All research outputs
#14,154,190
of 24,394,175 outputs
Outputs from Biology Letters
#2,791
of 3,340 outputs
Outputs of similar age
#167,705
of 317,221 outputs
Outputs of similar age from Biology Letters
#70
of 92 outputs
Altmetric has tracked 24,394,175 research outputs across all sources so far. This one is in the 41st percentile – i.e., 41% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,340 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 59.0. This one is in the 16th percentile – i.e., 16% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 317,221 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 47th percentile – i.e., 47% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 92 others from the same source and published within six weeks on either side of this one. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.