Ecosystem Science and Management

Dr. Robert K. Lyons
Professor & Extension Range Specialist

Education

B.S. Rutgers UniversityM.S. Rutgers University

Ph.D. Texas A&M University

Research

Applied research in integrated brush control involving individual plant treatments. This work includes evaluation of treatments for brush species currently lacking control recommendations and evaluation of alternative herbicide carriers. Applied research in range animal nutrition using near infrared reflectance spectroscopy (NIRS) fecal analysis to estimate diet quality and a computer decision support system (Nutritional Balance AnalyzerNUTBAL) to estimate animal nutritional status (see Range management program).

Selected Organizations/Appointments

Related Links

Society for Range Management

Herbarium

My Publications: Uvalde Center – Publications by Author

Rangeland Publications: Texas A&M AgriLife Extension Service Bookstore – Search for Rangeland Extension Publications Grazing ManagementRange Detect SeriesLyons, R.K. and R.V. Machen. 2002. L-6124, Forage Quality and Quantity in Texas-Managing Nutrition in Range Beef Cattle. Texas AgriLife Extension Service.

Lyons, R.K. and R.V. Machen. 2001. L-5409, Livestock Grazing Distribution: Considerations and Management. Texas AgriLife Extension Service.

Lyons, R.K. and C.W. Hanselka. 2001. L-6114, Grazing and Browsing: How Plants Are Affected. Texas AgriLife Extension Service.

Lyons, R.K. and R.V. Machen. 2001. L-5400, Stocking Rate: The Key Grazing Management Decision. Texas AgriLife Extension Service.

Lyons, R.K. and R.V. Machen. 2001. E-102, Using Body Condition Scores to Manage Range Cows and Rangeland. Texas AgriLife Extension Service.

Lyons, R.K., R.V. Machen, and J.W. Stuth. 2000. L-5359, Forage Quality Photo Guide: Evaluating Diet Quality Selected by Grazing Beef Cattle Using Photographic Guidelines. Texas AgriLife Extension Service.

Lyons, R.K. and R.V. Machen. 2000. L-5385, Interpreting Grazing Behavior. Texas AgriLife Extension Service. Grazing ManagementHohlt, J.C., R.K. Lyons, C.W. Hohlt, J.C., R.K. Lyons, C.W. Hanselka, and D. McKown. 2009. B-6222, Estimating Grazeable Acreage for Cattle. Texas AgriLife Extension Service. H

Hanselka, C.W., R. Lyons, and M. Moseley. 2009. B-6221, Grazing Land Stewardship: A Manual for Texas Landowners. Texas AgriLife Extension Service.

Hanselka, C.W., R.K. Lyons, and J.L. Holechek. 2002. E-140, Managing Climatic and Financial Risk by Controlling Timing, Intensity and Frequency of Grazing. Texas AgriLife Extension Service.

Hanselka, C.W., R.K. Lyons, and R.Teague. 2002. L-5428, Patch Grazing and Sustainable Rangeland Production. Texas AgriLife Extension Service.

Lyons, R.K., T.D.A. Forbes, and R. Machen. 2001. E-99S, ¿Por Que Cambia la Calidad Del Forraje de Los Pastizales? Texas AgriLife Extension Service.

Lyons, R.K., R. Machen, and T.D.A. Forbes. 2001. E-100S, Entendiendo el Consumo de Forraje de Los Animales en Pastizales. Texas AgriLife Extension Service.

Lyons, R.K.. 2000. L-5377, Forage Quality and Quantity, Rangeland Risk Management for Texans. Texas AgriLife Extension Service.

Lyons, R.K. and R.V. Machen. 2000. E-23, What We Know About Coyotillo. Texas AgriLife Extension Service.

Machen, R.V. and R.K. Lyons. 2000. B-6091, Livestock for Small Acreage Landowners. Texas AgriLife Extension Service.

Lyons, R.K., Rick Machen, and T.D.A. Forbes. 1996. B-6036, Why Range Forage Quality Changes. Texas AgriLife Extension Service.

Lyons, R.K., T.D.A. Forbes, and Rick Machen. 1996. B-6037, What Range Herbivores Eat–and Why. Texas AgriLife Extension Service.

Lyons, R.K., R. Machen, and T.D.A. Forbes. 1995. L-5152, Understanding Forage Intake in Range Animals. Texas AgriLife Extension Service. Brush ManagementLyons, R.K. and B. Rector. 2009. B-6224. Mesquite Ecology and Management. Texas AgriLife Extension Service.

Lyons, R.K., M.K. Owens, and R.V. Machen. 2009. B-6074, Juniper Biology and Management in Texas. Texas AgriLife Extension Service.

Hart, C.R., B. Rector, C.W. Hanselka, R.K. Lyons, and A. McGinty. 2008. B-6208. Brush & Weeds of Texas Rangelands. Texas AgriLife Extension Service.

Hanselka, C.W. and R.K. Lyons. 2000. L-5348, Brush Busters: How to Control Huisache. Texas AgriLife Extension Service.

Wildlife Management Wright, B.D., J.C. Cathey, and R.K.. Lyons. 2005. Habitat Monitoring for Quail on Texas Rangelands. Texas AgriLife Extension Service.Lyons, R.K. and B.D. Wright. 2003. B-6136, Using Livestock to Manage Wildlife Habitat. Texas AgriLife Extension Service.

Wright, B.D., R.K. Lyons, J.C. Cathey, and S. Cooper. 2002. B-6130, White-tailed Deer Browse Preferences for South Texas and the Edwards Plateau. Texas AgriLife Extension Service.

Lyons, R.K. and T.F. Ginnett. 2001. E-98S, Manejo Integrado de Habitat Para Venado, Codorniz y Guajolote. Texas AgriLife Extension Service.

Lyons, R.K., T. Ginnett, and R. Taylor. 1999. L-5332, Woody Plants and Wildlife: Brush Sculpting in South Texas and the Edwards Plateau. Texas AgriLife Extension Service.

Lyons, R.K. and T. F. Ginnett. 1998. L-5196, Integrating Deer, Quail and Turkey Habitat. Texas AgriLife Extension Service.

Contact Dr. Lyons at:
rlyons@ag.tamu.edu
830-278-9151 ext 226
830-278-4008 fax

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