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Below are publications associated with the Southwest Biological Science Center's research.

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Filter Total Items: 1332

Crotalus cerberus (Arizona black rattlesnake): diet

No abstract available.
Authors
Caleb L. Loughran, Erica M. Nowak, Robert W. Parker
By
Ecosystems Mission Area, Southwest Biological Science Center

Crotalus molossus molossus (Northern Black-tailed Rattlesnake): diet

No abstract available.
Authors
Caleb L. Loughran, Erica M. Nowak, Robert W. Parker
By
Ecosystems Mission Area, Southwest Biological Science Center

Response of biological soil crust diazotrophs to season, altered summer precipitation, and year-round increased temperature in an arid grassland of the Colorado Plateau, USA

Biological soil crusts (biocrusts), which supply significant amounts of fixed nitrogen into terrestrial ecosystems worldwide (~33Tg y-1), are likely to respond to changes in temperature and precipitation associated with climate change. Using nifH gene-based surveys, we explored variation in the diazotrophic community of biocrusts of the Colorado Plateau, USA in response to season (autumn vs. sprin
Authors
Chris M. Yeager, Cheryl R. Kuske, Travis D. Carney, Shannon L. Johnson, Lawrence O. Ticknor, Jayne Belnap
By
Ecosystems Mission Area, Southwest Biological Science Center

Understanding the role of ecohydrological feedbacks in ecosystem state change in drylands

Ecohydrological feedbacks are likely to be critical for understanding the mechanisms by which changes in exogenous forces result in ecosystem state change. We propose that in drylands, the dynamics of ecosystem state change are determined by changes in the type (stabilizing vs amplifying) and strength of ecohydrological feedbacks following a change in exogenous forces. Using a selection of five ca
Authors
L. Turnbull, B.P. Wilcox, J. Belnap, S. Ravi, P. D'Odorico, D. Childers, W. Gwenzi, G. Okin, J. Wainwright, K.K. Caylor, T. Sankey
By
Ecosystems Mission Area, Southwest Biological Science Center

Reaching toward the integration of research into resource management activities: A 20 year evaluation of Colorado Biennial Conferences

No abstract available.
Authors
Martha E. Lee, Carena J. van Riper, Charles van Riper, Gerard T. Kyle
By
Ecosystems Mission Area, Southwest Biological Science Center

Tamarisk biocontrol using tamarisk beetles: Potential consequences for riparian birds in the southwestern United States

The tamarisk beetle (Diorhabda spp.), a non-native biocontrol agent, has been introduced to eradicate tamarisk (Tamarix spp.), a genus of non-native tree that has become a dominant component of riparian woodlands in the southwestern United States. Tamarisk beetles have the potential to spread widely and defoliate large expanses of tamarisk habitat, but the effects of such a widespread loss of ripa

Authors
Eben H. Paxton, Tad C. Theimer, Mark K. Sogge
By
Ecosystems Mission Area, Pacific Island Ecosystems Research Center, Southwest Biological Science Center

The role of remote sensing observations and models in hydrology: The science of evapotranspiration

Over 15 years ago, Morton (1994) summarized the state of evapotranspiration (ET) research pessimistically: ‘There have been few significant advances in our knowledge of evaporation on an environmental scale over the past four decades, a state of affairs linked to the current sterility of hydrology and related environmental sciences. Furthermore, almost none of the advances have been used successful
Authors
Pamela Nagler
By
Ecosystems Mission Area, Southwest Biological Science Center

Status and trends of the rainbow trout population in the Lees Ferry reach of the Colorado River downstream from Glen Canyon Dam, Arizona, 1991–2009

The Lees Ferry reach of the Colorado River, a 25-kilometer segment of river located immediately downstream from Glen Canyon Dam, has contained a nonnative rainbow trout (Oncorhynchus mykiss) sport fishery since it was first stocked in 1964. The fishery has evolved over time in response to changes in dam operations and fish management. Long-term monitoring of the rainbow trout population downstream
Authors
Andrew S. Makinster, William R. Persons, Luke A. Avery
By
Ecosystems Mission Area, Southwest Biological Science Center

Aeolian and fluvial processes in dryland regions: The need for integrated studies

Aeolian and fluvial processes play a fundamental role in dryland regions of the world and have important environmental and ecological consequences from local to global scales. Although both processes operate over similar spatial and temporal scales and are likely strongly coupled in many dryland systems, aeolian and fluvial processes have traditionally been studied separately, making it difficult
Authors
Jayne Belnap, Seth M. Munson, Jason P. Field
By
Ecosystems Mission Area, Geosciences and Environmental Change Science Center, Southwest Biological Science Center

Ecosystem ecology meets adaptive management: food web response to a controlled flood on the Colorado River, Glen Canyon

Large dams have been constructed on rivers to meet human demands for water, electricity, navigation, and recreation. As a consequence, flow and temperature regimes have been altered, strongly affecting river food webs and ecosystem processes. Experimental high‐flow dam releases, i.e., controlled floods, have been implemented on the Colorado River, USA, in an effort to reestablish pulsed flood even
Authors
Wyatt F. Cross, Colden V. Baxter, Kevin C. Donner, Emma J. Rosi-Marshall, Theodore A. Kennedy, Robert O. Hall, Holly A. Wellard Kelly, R. Scott Rogers
By
Ecosystems Mission Area, Southwest Biological Science Center

On the brink of change: Plant responses to climate on the Colorado Plateau

The intensification of aridity due to anthropogenic climate change in the southwestern U.S. is likely to have a large impact on the growth and survival of plant species that may already be vulnerable to water stress. To make accurate predictions of plant responses to climate change, it is essential to determine the long‐term dynamics of plant species associated with past climate conditions. Here w
Authors
Seth M. Munson, Jayne Belnap, Charles D. Schelz, Mary Moran, Tara W. Carolin
By
Ecosystems Mission Area, Southwest Biological Science Center

An inventory and monitoring plan for a Sonoran Desert ecosystem; Barry M. Goldwater Range-West

Marine Corps Air Station Yuma manages the Barry M. Goldwater Range-West, which encompasses approximately 2,800 square kilometers of Sonoran Desert habitat in southwestern Arizona. The Barry M. Goldwater Range is a major U.S. military installation designed as an air combat training location for the U.S. Marine Corps and U.S. Air Force, but it also includes some of the most pristine desert habitat i
Authors
Miguel L. Villarreal, Charles van Riper, Robert E. Lovich, Robert L. Palmer, Travis Nauman, Sarah E. Studd, Sam Drake, Abigail S. Rosenberg, Jim Malusa, Ronald L. Pearce
By
Ecosystems Mission Area, Southwest Biological Science Center