Layer: Boreal Toad Distribution Model (CNHP 2015) (ID: 14)

Parent Layer: Supporting Habitat Information

Name: Boreal Toad Distribution Model (CNHP 2015)

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Description: Predictive species distribution model for boreal toad in Colorado. This is a MaxEnt (v. 3.3.3e) inductive model. Environmental Inputs used are listed below. The state of Colorado was the modeling extent. Colorado Natural Heritage Program (CNHP) Element Occurrence Records (EORs) were used as known locations for the species. Model results with a value of 0.150 or greater were retained for use in Marxan, based on model logs and expert review. The output extent was modified with a mask to limit extent to known range. This model has been reviewed by Colorado zoology and wildlife professionals. The model is based on 120 EORs, which were translated into 652 input points. 522 input points used for training, 130 for testing. Training AUC is 0.954, test AUC is 0.951 Environmental Inputs [percent model contribution]: * growing degree days [52.1%] * distance to water [38.2%] * summer precipitation [4.1%] * vegtype [3.3%] * landform [1.7%] * elevation [0.7%]

Definition Expression: N/A

Copyright Text: Colorado Natural Heritage Program

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