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Target groups masks for climate envelope models for 15 threatened and endangered species in Florida

Dates

Publication Date
Time Period
2016-12-14

Citation

Brandt, L.A., Benscoter, A.M., Harvey, Rebecca, Speroterra, Carolina, Bucklin, David, Romañach, S.S., Watling, J.I., and Mazzotti, F.J., 2017, Data for comparison of climate envelope models developed using expert-selected variables versus statistical selection: U.S. Geological Survey data release, https://doi.org/10.5066/F7J101BT.

Summary

We developed a modelling spatial domain, or mask, to delimit the modeling extent for each species (n=15 species), as a part of a larger project to compare climate envelope models outputs that were generated using two types of predictor variables: expert opinion and statistical method (Brandt et al. 2017). The species masks, or model domains, were defined separately for each species using a variation of the “target-group” approach (Phillips et al. 2009), where the domain was determine using convex polygons including occurrence data for at least three phylogenetically related and similar species (Watling et al. 2012). This dataset is separated into 15 zipped GeoTIFF rasters, each with its own metadata documentation. Spatial extent and [...]

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Attached Files

Click on title to download individual files attached to this item.

ammami_mask.zip 51.46 KB application/zip
amsafl_mask.zip 58.24 KB application/zip
apco_mask.zip 37.34 KB application/zip
chme_mask.zip 94.2 KB application/zip
drcoco_mask.zip 75.19 KB application/zip
gram_mask.zip 105.11 KB application/zip
myam_mask.zip 91.88 KB application/zip
nere_mask.zip 24.45 KB application/zip
odvicl_mask.zip 102.49 KB application/zip
pibo_mask.zip 60.47 KB application/zip
poplau_mask.zip 74.17 KB application/zip
pucoco_mask.zip 96.43 KB application/zip
rosopl_mask.zip 75.28 KB application/zip
stdodo_mask.zip 106.17 KB application/zip
sypahe_mask.zip 48.97 KB application/zip

Purpose

The spatial domain, or masks, were created as part of a larger project to compare climate envelope models outputs that were generated using two types of predictor variables: expert opinion and statistical method. Climate envelope models are increasingly used to characterize potential future distribution of species under climate change scenarios. It is acknowledged that the use of climate envelope models comes with both strengths and limitations, and that results are sensitive to modeling assumptions, inputs, and specific methods. The selection of predictor variables, an integral modeling step, is one factor that can affect the modeling outcome. The selection of climate predictors if frequently achieved using statistical methods that ascertain correlations between species occurrence and climate data; this approach has been critiqued because it depends on statistical properties of the data, and does not directly implement biological information about how species respond to temperature or precipitation. In this study, we compared models and prediction maps for 15 threatened or endangered species in Florida created using two variable selection techniques: expert opinion and a statistical method. We compared model performance for contemporary predictions, and also compared the spatial correlation, spatial overlap, and area predicted for contemporary and future climate predictions between these two approaches. These spatial data masks for each species could be used to delimit potential areas where these species, or closely related species, may potentially live.

Map

Communities

  • USGS Wetland and Aquatic Research Center

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