Swainson's hawk - Species Distribution Model, DRECP

Mar 25, 2013 (Last modified Dec 3, 2013)
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Description:
These data are statistical model outputs for Swainson's hawk (Buteo swainsoni ) species distribution, completed by Frank Davis’ Biogeography Lab at UC Santa Barbara. Based on examination of species observation data and consultation with biologists, CBI used the model's narrow extent output masked to the following USFS ecoregion subsections: 322Ag, 322Aa, 322Cc. 

The UCSB Biogeography Lab used Maxent to generate predictions of habitat occupancy for ~70 species for the CA Energy Commission’s project “Cumulative Biological Impacts Framework for Solar Energy in the CA Desert”, 500-10-021.

Species distribution models were produced at 270 m resolution using a subset of 22 environmental variables. Models were evaluated with 10-fold cross validated AUC scores. 
Both continuous probability surfaces and binary layers are available for each species modeled. Binary layers depicting predicted suitable habitat were derived using the equal training sensitivity and specificity threshold. 

For Buteo swainsoni, Max Sensitivity + Specificity threshold = 0.3028; best AUC = 0.9146; mean AUC = 0.9066. 

For more information on the environmental variables used, modeling process, and model diagnostics, please refer to the supporting document “Data Descriptions: UCSB DRECP Species Distribution Models, June 12, 2013" provided by Frank Davis.

Data Provided By:
Frank Davis and Oliver Soong
Bren School of Environmental Science & Management
University of California
Santa Barbara, CA  93106-5131
Content date:
not specified
Citation:
Frank Davis and Oliver Soong
Bren School of Environmental Science & Management
University of California, Santa Barbara
Spatial Resolution:
270 m
Contact Organization:

Frank Davis
Bren School of Environmental Science & Management
University of California
Santa Barbara, CA  93106-5131
Lab website: www.biogeog.ucsb.edu
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Creative Commons LicenseThis work is licensed under a Creative Commons Attribution 3.0 License.
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statistical model, species distribution, maxent, drecp
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Conservation Biology Institute

The Conservation Biology Institute (CBI) provides scientific expertise to support the conservation and recovery of biological diversity in its natural state through applied research, education, planning, and community service.