Articles

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Within-Plant Distribution of Volatile Compounds on the Leaf Surface of Flourensia Cernua (with Rick E. Estell, Darren K. James, and Dean M. Anderson), Biochemical Systematics and Ecology (2013)

We are using Flourensia cernua as a shrub model to study how terpenes affect livestock...

 

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An Assessment of Behavioural Syndromes in Rangeland-Raised Beef Cattle (with Robert L. Wesley, Andrés F. Cibils, J. Travis Mulliniks, Emily R. Pollak, and Mark K. Petersen), Applied Animal Behaviour Science (2012)

Individuals in most animal groups exhibit consistent behavioural differences across situations or over time known...

 

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Characterising the Spatial and Temporal Activities of Free-Ranging Cows from GPS Data (with Dean M. Anderson, Craig Winters, Rick E. Estell, Marek Doniec, Carrick Detweller, Daniela Rus, Darren James, and Barbara Nolen), Rangeland Journal (2012)

Electronic tracking provides a unique way to document behaviour by cows on a continuous basis....

 

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Managing Livestock Using Animal Behavior: Mixed Species Stocking and Flerds (with D. M. Anderson, E. L. Frederickson, and R. E. Estell), Animal: (2012)

Mixed-species stocking can foster sound landscape management while offering economic and ecological advantages compared with...

 

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Foraging Behavior of Heritage Versus Recently Introduced Herbivores on Desert Landscapes of the American Southwest (with H. Paul Peinetti, Debra P.C. Peters, Andres F. Cibils, J. Octavio Roacho-Estrada, and Andrea S. Laliberte), Ecosphere (2011)

Since the 1800s managed grasslands and shrublands of the arid American Southwest have been grazed...

 

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Differentiating Among Plant Spectra by Combining pH Dependent Photoluminescence Spectroscopy with Multi-Way Principal Component Analysis (MPCA) (with Dean M. Anderson, T. L. Danielson, S. M. Obeidet, G. D. Rayson, R. E. Estell, and B. Bai), The Open Agricultural Journal (2011)

Photoluminescence spectroscopic probes offer the potential for differentiation among plant species in real-time. Spectral emission...

 

OpenURL

Dust Emissions from Undisturbed and Disturbed, Crusted Playa Surfaces: Cattle Trampling Effects (with Teddy Zobeck, Robert Van Pelt, and Matthew Baddock), Aeolian Research (2011)

Dry playa lake beds can be significant sources of fine dust emission. This study used...

 

OpenURL

Rapid Response of a Grassland Ecosystem to an Experimental Manipulation of a Keystone Rodent and Domestic Livestock, Ecology (2010)

Megaherbivores and small burrowing mammals commonly coexist and play important functional roles in grassland ecosystems...

 

OpenURL

Composition of Ceanothus Gregii Oil as Determined by Steam Distillation and Solid-Phase Microextraction (with R. E. Estell and M. E. Lucero), Journal of Essential Oil Research (2010)

Ceanothus gregii Gray was collected from the Jornada Experimental Range in south central New Mexico....

 

OpenURL

A Retention Index Calculator Simplifies Identification of Plant Volatile Organic Compounds, Phytochemical Analysis (2009)

Plant volatiles (PVOCs) are important targets for studies in natural products, chemotaxonomy and biochemical ecology....

 

OpenURL

Do Changes in Connectivity Explain Desertification (with Gregory S. Okin, Anthony J. Parsons, John Wainwright, Jeffrey E. Herrick, and Brandon T. Bestelmeyer), Bioscience (2009)

Arid and semiarid regions cover more than 40% of Earth's land surface. Desertification, or broadscale...

 

OpenURL

Effects of Cis-ß-Ocimene, Cis-Sabinene Hydrate, and Monoterpene and Sesquiterpene Mixtures on Alfalfa Pellet Intake by Lambs (with R. E. Estell and Dean Anderson), Journal of Animal Science (2008)

Interpretive Summary: The conversion of grasslands to shrublands in the western United States and in...

 

OpenURL

Ecological Services To and From Rangelands of the United States (with Kris M. Havstad, Debra P.C. Peters, Rhonda Skaggs, Joel Brown, Brandon Bestelmeyer, Jeffrey Herrick, and Jack Wright), Ecological Economics (2007)

The over 300 million ha of public and private rangelands in the United States are...

 

OpenURL

Effects of Eugenol, α-terpineol, Terpin-4-ol, and Methyl Eugenol on Consumption of Alfalfa Pellets by Sheep, Small Ruminant Research (2007)

Many secondary compounds are typically present in unpalatable shrubs on arid and semi-arid rangelands. However,...

 

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Volatile Compounds on the Leaf Surface of Intact and Regrowth Tarbush (Flourensia cernua DC) Canopies (with R. E. Estell and M. D. Remmenga), Journal of Chemical Ecology (2007)

Shrub expansion into desert grasslands is a serious problem resulting in loss of forage and...

 

Contributions to Books

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Grassland in the Borderlands: Understanding Coupled Natural Human Systems and Transboundary Conservation (with G. Ceballos, R. List, A. Davidson, Sierra R. Corona, L. Martinez, J.E. Herrick, and J. Pacheco), Conservation of Shared Environments: Learning from the United States and Mexico (2009)

As conservationists well know, political borders rarely coincide with natural ecological boundaries. International borders such...

 

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A Holistic View of an Arid Ecosys tem: A Synthesis of Research and Its Applications (with Brandon T. Bestelmeyer, Joel R. Brown, and Kr is M. Havstad), Structure and Function of a Chihuahuan Desert Ecosystem: Structure and Function of Ch ihuahuan Desert Ecosystem (2006)

A primary objective of the Jornad a Basin research program has been to provide a...

 

Abstract

OpenURL

Distribution of Antiherbivory Compounds in Flourensia Cernua (with Richard E. Estell, James Darren, and Dean Anderson), Journal of Animal Science (2011)

Flourensia cernua is serving as a shrub model to study the influence of terpenes on...

 

Conference Proceedings

Characterizing Foraging Patterns Among Cattle and Bonded and Non-bonded Small Ruminants Using Spatial Point Process Techniques (with Dean Anderson, Leigh Murray, Peixn Sun, and Richard Estell), 22nd Applied Statistics In Agriculture Conference Proceedings (2011)

Two mixed-species livestock groups were monitored while foraging on 410 ha of brush-infested Southern New...

 

In Search of "Organ III" Strata-a Sedimentary Record of the Medieval Warm Period (ca. AD 900 to 1300) (with Curtis H. Monger and Katie Laney), 16th Biennial Mogollon Archaeology Conference (2010)

The period AD 900 to 1300, internationally referred to as the Medieval Warm Period, is...

 

Mesquite: A Long View (with Curtis H. Monger, Eduardo Guevara, and Dan Fredrickson), 6th Biennial Mogollon Archaeology Conference (2010)

Mesquite (Prosopis glandulosa) is among the most successful plants in Northern México and America"s arid...

 

Dust Emissions from Undisturbed and Disturbed, Crusted Playa Surfaces: Cattle Trampling Effect (with Teddy Zobeck, Matthew Baddock, and Robert Van Pelt), American Geophysical Union (2009)

Dry playa lake beds can be a significant source of fine dust emissions during high...