Walt Whitford

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Filters: Author is Walter G. Whitford
1997
Nash M.S., Whitford WG.  1997.  Annual plant vegetation boundaries on disturbance gradients in Chihuahuan Desert rangelands. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract21.
Herrick JE, Whitford WG.  1997.  Assessing and monitoring the quality of rangeland soils: Early warning indicators of desertification. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract32.
Smith W.E., Van Zee JW, Whitford WG.  1997.  Canopy insect populations as indicators of exposure to acute stressors (drought and grazing) and chronic stressors (desertification and exotic plant species). International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract22.
Turner S.J., Johnson A.R., de Soyza A.G., Van Zee JW, Eve M., Whitford WG.  1997.  Classification, ecological risk, and decision: assessing desertification in south-central New Mexico. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract44.
Herrick JE, Whitford WG, Jones T.L..  1997.  Contribution of soil termite activity to remediation of degraded rangeland. Annual Meeting, American Society for Agronomy. :294-295.
Whitford WG.  1997.  Desertification and animal biodiversity in the desert grasslands of North America. Journal of Arid Environments. 37:709-720.
Whitford WG, Alkon P., Smith W.E., Van Zee JW.  1997.  Desertification and biodiversity. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract44.
Alkon P.U., Whitford WG.  1997.  Effects of grazing, shrub removal, and drought on Chihuahuan Desert rodent communities. International Symposium and Workshop: Combating Desertification: Connecting Science with Community Action. :12.
Kerley G.I., Whitford WG, Kay F.R.  1997.  Mechanisms for the keystone status of kangaroo rats: graminivory rather than granivory? Oecologia. 111:422-428.
Van Zee JW, Whitford WG, Smith W.E..  1997.  Mutual exclusion by dolichoderine ants on a rich food source. Southwestern Naturalist. 42:229-231.
Estell R.E., Anderson D.M., Barrow J.R., de Soyza A.G., Fredrickson E.L., Gibbens, Robert P., Havstad K, Herrick JE, Tellez M.R., Whitford WG.  1997.  Rangeland research in the Chihuahuan Desert. New Mexico Livestock Research Briefs Cattle Growers' Short Course.
Van Zee JW, de Soyza A.G., Whitford WG.  1997.  Responses of Chihuahuan Desert annual plant communities to desertification and exposure to varying grazing stress.. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :23.
de Soyza A.G., Van Zee JW, Whitford WG.  1997.  Sensitive indicators of desertification: examples of tests in the Chihuahuan Desert. International Symposium and Workshop on Combating Desertification: Connecting Science with Community Action. :1.
de Soyza A.G., Whitford WG, Herrick JE.  1997.  Sensitivity testing of indicators of ecosystem health. Ecosystem Health. 3:44-53.
Whitford WG, Anderson JP, Rice P.M..  1997.  Stemflow contribution to the "fertile island" effect in creosotebush, Larrea tridentata. Journal of Arid Environments. 35:451-457.
de Soyza A.G., Whitford WG, Martinez-Meza E., Van Zee JW.  1997.  Variation in Creosotebush (Larrea tridentata) canopy morphology in relation to habitat, soil fertility and associated annual plant communities. American Midland Naturalist. 137:13-26.
1996
Lancaster J., Wade T., Minor T., Whitford WG, Jones B..  1996.  Condition of New Mexico rangelands derived from multi-year AVHRR imagery and associated spatial variables. Proceedings of the 11th Thematic Conference and Workshops on Applied Geologic Remote Sensing. :I-247toI-256.
de Soyza A.G., Franco A.C., Virginia R.A, Reynolds J.F., Whitford WG.  1996.  Effects of plant size on photosynthesis and water relations in the desert shrub Prosopis glandulosa (Fabaceae). American Journal of Botany. 83:99-105.
de Soyza A.G., Whitford WG, Virginia R.A, Reynolds J.F..  1996.  Effects of summer drought on the water relations, physiology, and growth of large and small plants of Prosopis glandulosa and Larrea tridentata. Wildland Shrub Symposium, Proceedings: Shrubland Ecosystem Dynamics in a Changing Environment. General Technical Report INT-GTR-338:220-223.
Noble J.C., Tongway D.J., Roper M.M., Whitford WG.  1996.  Fire studies in Mallee (Eucaluptus spp.) communities of western New South Wales: Spatial and temporal fluxes in soil chemistry and soil biology following prescribed fire. Pacific Conservation Biology. 2:398-413.
Killingbeck K., Whitford WG.  1996.  High foliar nitrogen in desert shrubs: An important ecosystem trait or defective desert doctrine? Ecology. 77:1728-1737.
Whitford WG.  1996.  The importance of the biodiversity of soil biota in arid ecosystems. Biodiversity and Conservation. 5:185-195.
Whitford WG, Herrick JE.  1996.  Maintaining soil processes for plant productivity and community dynamics. Proceedings of the Vth International Rangeland Congress. II:33-37.
Havstad K, Anderson D.M., Barrow J.R., Estell R.E., Fredrickson E.L., Herrick JE, Whitford WG.  1996.  Rangeland improvement. Livestock Research Briefs and Cattle Growers' Short Course.
Herrick JE, Whitford WG, de Soyza A.G., Van Zee JW.  1996.  Soil and vegetation indicators for assessment of rangeland ecological condition. North American Workshop on Monitoring for Ecological Assessment of Terrestrial and Aquatic Ecosystems. :157-166.
Martinez-Meza E., Whitford WG.  1996.  Stemflow, throughfall and channelization of stemflow by roots in three Chihuahuan Desert shrubs. Journal of Arid Environments. 32:271-287.
Lancaster J., Mouat D.A., Kuehl R.O., Whitford WG, Rapport D.J.  1996.  Time series satellite data to identify vegetation responses to stress as an indicator of ecosystem health. Wildland Shrub Symposium, Proceedings: Shrubland Ecosystem Dynamics in a Changing Environment. General Technical Report INT-GTR-338:255-261.
1995
Herrick JE, Whitford WG.  1995.  Assessing the quality of rangeland soils: Challenges and opportunities. Journal of Soil and Water Conservation. 50:237-242.
Herrick JE, Whitford WG.  1995.  Contribution of ant activity to spatial variability in hydrologic properties in the Chihuahuan Desert. American Society of Agronomy Meeting. :Abstract309.
Whitford WG.  1995.  Desertification: Implications and limitations of the ecosystem health metaphor. NATO ASI Series. I(28):273-292.
Whitford WG, Forbes GS, Kerley GI.  1995.  Diversity, spatial variability, and functional roles of invertebrates in desert grassland ecosystems. The Desert Grassland. :152-195.
de Soyza A.G., Whitford WG, Franco A.C., Virginia R.A, Reynolds J.F..  1995.  Effects of summer drought on the water relations, physiology and growth of large and small plants of Prosopis glandulosa and Larrea tridentata. Wildland Shrub Symposium. :19.
Fisher F.M, Whitford WG.  1995.  Field simulation of wet and dry years in the Chihuahuan Desert: Soil moisture, N mineralization and ion exchange resin bags. Biology and Fertility of Soils. 20:137-146.
West N.E., Whitford WG.  1995.  The intersection of ecosystem and biodiversity concerns in the management of rangelands. Natural Resources and Environmental Issues. IV:72-79.
Whitford WG, Martinez-Meza E., de Soyza A..  1995.  Morphological variation in creosotebush, Larrea tridentata: effects on ecosystem properties. Proceedings: symposium on shrubland ecosystem dynamics in a changing environment. Gen. Tech. Rep. INT-GTR-338:195-198.
Whitford WG, Martinez-Turanzas G., Martinez-Meza E..  1995.  Persistence of desertified ecosystems: explanations and implications. Environmental Monitoring Assessment. 37:319-332.
Whitford WG, Martinez-Turanzas G, Martinez-Meza E.  1995.  Persistence of desertified ecosystems: Explanations and implications. Desertification in developed countries. Reprinted from Environmental Monitoring and Assessment, Volume 37, Nos. 1-3, 1995:319-332.
Havstad K, Anderson D.M., Barrow J.R., Estell R.E., Fredrickson E.L., Gibbens, Robert P., Herrick JE, Whitford WG.  1995.  Rangeland research in the Chihuahuan Desert. New Mexico Livestock Research Briefs Cattle Growers' Short Course.
de Soyza A.G., Van Zee JW, Whitford WG, Herrick JE.  1995.  Responses of plant assemblages to disturbance gradients in the northern Chihuahuan Desert. Winter Meeting of the British Ecological Society. :71.
Nash M.H, Whitford WG.  1995.  Subterranean termites: regulators of soil organic matter in the Chihuahuan Desert. Biology and Fertility of Soils. 19:15-18.
Mouat D.A., Lancaster J., Kuehl R.O., Whitford WG.  1995.  Use of time-series satellite data to identify mesquite response to stress as an indicator of ecosystem health. Wildland Shrub Symposium. :22.
Whitford WG, DiMarco R..  1995.  Variability in soils and vegetation associated with harvester ant (Pogonomyrmex rugosus) nests on a Chihuahuan Desert watershed. Biology and Fertility of Soils. 20:169-173.

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