Density as a mechanism linking habitat disturbance to increased disease prevalence: evidence from a natural experiment
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Sudden habitat loss associated with environmental disturbance can trigger animals to move from affected to undisturbed areas, where increases in local density may occur. Such increases in density can affect a number of ecological processes. Although pathogen transmission is strongly related to local density, how crowding after habitat loss affects infection dynamics in wild populations remains unclear. Here we conceptualize the Disturbance-Density-Disease (DDD) hypothesis, which posits that disturbance-induced habitat loss results in increased pathogen prevalence via increases in local density at adjacent, undisturbed patches. We then used empirical data from before, during, and after an extreme flooding event to test the DDD hypothesis in boreal toads Anaxyrus boreas boreas co-occurring with the pathogenic fungus Batrachochytrium dendrobatidis (Bd). We collected Bd samples from each captured individual during a 5-year (2015â2019) mark-recapture study of boreal toads (n = 1,29..., , , DATASET 1 of 5
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GENERAL INFORMATION
Title of Dataset: Capture-Surveys_Aboreas_2015-2019
Author Information
A. Principal Investigator Contact Information
Name: Gabriel Barrile
Institution: University of Wyoming
Address: 1000 E University Ave, Laramie, WY, 82071
Email: [gbarrile@uwyo.edu](mailto:gbarrile@uwyo.edu)
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B. Associate or Co-investigator Contact Information
Name: Jerod Merkle
Institution: University of Wyoming
Address: 1000 E University Ave, Laramie, WY, 82071
Email: jmerkle@uwyo.edu
C. Alternate Contact Information
Name: Gabriel Barrile
Email: gbarrile15@gmail.com
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Date of data collection:
May 2015 - June 2019
Geographic location of data collection:
Bridger-Teton National Forest, western Wyoming, USA
Funding source that supported the collection of the data:
Wyoming Game and Fish Department for funding (grant number 1003570-13403), Clear Creek Foundation, University of Wyoming Schoo...,
创建时间：
2025-10-11
