Natasha B Carr, PhD (Former Employee)
Science and Products
Filter Total Items: 45
U.S. Geological Survey Science for the Wyoming Landscape Conservation Initiative - 2008 Annual Report
The Wyoming Landscape Conservation Initiative (WLCI) was launched in 2007 in response to concerns about threats to the State's world class wildlife resources, especially the threat posed by rapidly increasing energy development in southwest Wyoming. The overriding purpose of the WLCI is to assess and enhance aquatic and terrestrial habitats at a landscape scale, while facilitating...
Authors
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Lori Anne Baer, R. Sky Bristol, Natasha B. Carr, Geneva W. Chong, James E. Diffendorfer, Bradley C. Fedy, Steven L. Garman, Stephen S. Germaine, Richard I. Grauch, Collin Homer, Daniel Manier, Matthew Kauffman, Natalie Latysh, Cynthia P. Melcher, Kirk A. Miller, Jessica M. Montag, Constance J. Nutt, Christopher J. Potter, Hall Sawyer, David B. Smith, Michael J. Sweat, Anna B. Wilson
A Regional Approach to Wildlife Monitoring Related to Energy Exploration and Development in Colorado
The U.S. Bureau of Land Management (BLM) is currently developing a National Monitoring Strategy that will guide efforts to create an efficient and effective process for monitoring land health by BLM. To inform the ongoing development of the national strategy, BLM selected two States (Colorado, Alaska) to serve as focal areas on which to base a flexible framework for developing monitoring...
Authors
Natasha B. Kotliar, Zachary H. Bowen, Douglas S. Ouren, Adrian H. Farmer
Simulated natural hydrologic regime of an intermountain playa conservation site
An intermountain playa wetland preserve in Colorado's San Luis Valley was studied to assess how its current hydrologic function compares to its natural hydrologic regime. Current hydrologic conditions were quantified, and on-site effects of off-site water use were assessed. A water-budget model was developed to simulate an unaltered (i.e., natural) hydrologic regime, and simulated...
Authors
J.S. Sanderson, N.B. Kotliar, D.A. Steingraeber, C. Browne
Opposing environmental gradients govern vegetation zonation in an intermountain playa
Vegetation zonation was investigated at an intermountain playa wetland (Mishak Lakes) in the San Luis Valley (SLV) of southern Colorado. Plant composition and abiotic conditions were quantified in six vegetation zones. Reciprocal transplants were performed to test the importance of abiotic factors in governing zonation. Abiotic conditions differed among several vegetation zones...
Authors
J.S. Sanderson, N.B. Kotliar, D.A. Steingraeber
Avifaunal responses to fire in southwestern montane forests along a burn severity gradient
The effects of burn severity on avian communities are poorly understood, yet this information is crucial to fire management programs. To quantify avian response patterns along a burn severity gradient, we sampled 49 random plots (2001-2002) at the 17 351-ha Cerro Grande Fire (2000) in New Mexico, USA. Additionally, pre-fire avian surveys (1986-1988, 1990) created a unique opportunity to...
Authors
N.B. Kotliar, P.L. Kennedy, K. Ferree
The prairie dog as a keystone species
The prairie dog has a pronounced impact on its grassland ecosystem (King 1955; Uresk and Bjugstad 1983; Miller et al. 1994; Society for Conservation Biology 1994; Wuerthner 1997; Johnsgard 2005). They maintain short vegetation by their grazing and by selective removal of tall plants and shrubs; provide shelter, foraging grounds, and nesting habitat for a diverse array of animals; serve...
Authors
Natasha B. Kotliar, Brian W. Miller, Richard P. Reading, Timothy W. Clark
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.
Science and Products
Filter Total Items: 45
U.S. Geological Survey Science for the Wyoming Landscape Conservation Initiative - 2008 Annual Report
The Wyoming Landscape Conservation Initiative (WLCI) was launched in 2007 in response to concerns about threats to the State's world class wildlife resources, especially the threat posed by rapidly increasing energy development in southwest Wyoming. The overriding purpose of the WLCI is to assess and enhance aquatic and terrestrial habitats at a landscape scale, while facilitating...
Authors
Zachary H. Bowen, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Lori Anne Baer, R. Sky Bristol, Natasha B. Carr, Geneva W. Chong, James E. Diffendorfer, Bradley C. Fedy, Steven L. Garman, Stephen S. Germaine, Richard I. Grauch, Collin Homer, Daniel Manier, Matthew Kauffman, Natalie Latysh, Cynthia P. Melcher, Kirk A. Miller, Jessica M. Montag, Constance J. Nutt, Christopher J. Potter, Hall Sawyer, David B. Smith, Michael J. Sweat, Anna B. Wilson
A Regional Approach to Wildlife Monitoring Related to Energy Exploration and Development in Colorado
The U.S. Bureau of Land Management (BLM) is currently developing a National Monitoring Strategy that will guide efforts to create an efficient and effective process for monitoring land health by BLM. To inform the ongoing development of the national strategy, BLM selected two States (Colorado, Alaska) to serve as focal areas on which to base a flexible framework for developing monitoring...
Authors
Natasha B. Kotliar, Zachary H. Bowen, Douglas S. Ouren, Adrian H. Farmer
Simulated natural hydrologic regime of an intermountain playa conservation site
An intermountain playa wetland preserve in Colorado's San Luis Valley was studied to assess how its current hydrologic function compares to its natural hydrologic regime. Current hydrologic conditions were quantified, and on-site effects of off-site water use were assessed. A water-budget model was developed to simulate an unaltered (i.e., natural) hydrologic regime, and simulated...
Authors
J.S. Sanderson, N.B. Kotliar, D.A. Steingraeber, C. Browne
Opposing environmental gradients govern vegetation zonation in an intermountain playa
Vegetation zonation was investigated at an intermountain playa wetland (Mishak Lakes) in the San Luis Valley (SLV) of southern Colorado. Plant composition and abiotic conditions were quantified in six vegetation zones. Reciprocal transplants were performed to test the importance of abiotic factors in governing zonation. Abiotic conditions differed among several vegetation zones...
Authors
J.S. Sanderson, N.B. Kotliar, D.A. Steingraeber
Avifaunal responses to fire in southwestern montane forests along a burn severity gradient
The effects of burn severity on avian communities are poorly understood, yet this information is crucial to fire management programs. To quantify avian response patterns along a burn severity gradient, we sampled 49 random plots (2001-2002) at the 17 351-ha Cerro Grande Fire (2000) in New Mexico, USA. Additionally, pre-fire avian surveys (1986-1988, 1990) created a unique opportunity to...
Authors
N.B. Kotliar, P.L. Kennedy, K. Ferree
The prairie dog as a keystone species
The prairie dog has a pronounced impact on its grassland ecosystem (King 1955; Uresk and Bjugstad 1983; Miller et al. 1994; Society for Conservation Biology 1994; Wuerthner 1997; Johnsgard 2005). They maintain short vegetation by their grazing and by selective removal of tall plants and shrubs; provide shelter, foraging grounds, and nesting habitat for a diverse array of animals; serve...
Authors
Natasha B. Kotliar, Brian W. Miller, Richard P. Reading, Timothy W. Clark
Non-USGS Publications**
**Disclaimer: The views expressed in Non-USGS publications are those of the author and do not represent the views of the USGS, Department of the Interior, or the U.S. Government.