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  4. Data Maps of Predicted Raven Density and Areas of Potential Impact to Nesting Sage-grouse within Sagebrush Ecosystems of the North American Great Basin

Data Maps of Predicted Raven Density and Areas of Potential Impact to Nesting Sage-grouse within Sagebrush Ecosystems of the North American Great Basin

Dates

Publication Date
Start Date
2007
End Date
2016

Citation

Coates, P.S., O'Neil, S.T., Brussee, B.E., Ricca, M.A., Jackson, P.J., Dinkins, J.B., Howe, K.B., Moser, A.M., Foster, L.J., and Delehanty, D.J., 2020, Data maps of predicted raven density and areas of potential impact to nesting sage-grouse within sagebrush ecosystems of the North American Great Basin: U.S. Geological Survey data release, https://doi.org/10.5066/P9T5JT8N.

Summary

These data represent predicted common raven (Corvus corax) density (ravens/square-km) derived from random forest models given field site unit-specific estimates of raven density that were obtained from hierarchical distance sampling models at 43 field site units within the Great Basin region, USA. Fifteen landscape-level predictors summarizing climate, vegetation, topography and anthropogenic footprint were used to predict average raven density at each unit. A raven density of greater than or equal to 0.40 ravens/square-km corresponds to below-average survival rates of sage-grouse (Centrocercus urophasianus) nests. We mapped areas which exceed this threshold within sage-grouse concentration areas to determine where ravens may be impacting [...]

Child Items (2)

Contacts

Point of Contact :
Peter S Coates
Originator :
Peter S Coates, Shawn T O'Neil, Brianne E Brussee, Mark Ricca, Pat J. Jackson, Jonathan B. Dinkins, Kristy B Howe, Ann M. Moser, Lee J. Foster, David J. Delehanty
Metadata Contact :
Michael P Chenaille
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Western Ecological Research Center
USGS Mission Area :
Ecosystems

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Data maps of predicted raven density and areas of potential impact to nesting sage-grouse within sagebrush ecosystems of the North American Great Basin.xml
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View 		14.99 KB application/fgdc+xml

Purpose

These data are intended to aid land managers and researchers in decision making with regard to ecosystem protection and restoration.

Rights

The authors of these data require that data users contact them regarding intended use and to assist with understanding limitations and interpretation. Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9T5JT8N

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