Walt Whitford
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Filters: Author is Walter G. Whitford
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2020. Herbivory Effects on Ephedra spp. in the Chihuahuan Desert. Open Journal of Ecology. 10(2):37-44.
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2012. Do long-lived ants affect soil microbial communities? Biology and Fertility of Soils. 48:227-233.
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2012. Effects of seasonal grazing, drought, fire, and carbon enrichment on soil icroarthropods in a desert grassland. Journal of Arid Environments. 83:10-14.
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2011. Effects of simulated storm sizes and nitrogen on three Chihuahuan Desert perennial herbs and a grass. Journal of Arid Environments. 75:861-864.
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2010. Herbivore-plant interactions and desertification in arid lands. All Flesh is Grass. :239-256.
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2010. Pack rats (Neotoma spp.): Keystone ecological engineers? Journal of Arid Environments. 74:1450-1455.
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2009. Harvester ants (Hymenoptera: Formicidae) discriminate among artificial seeds with different protein contents. Sociobiology. 53:549-558.
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2008. Effects of three species of Chihuahuan Desert ants on annual plants and soil properties. Journal of Arid Environments. 72(4):392-400.
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2007. Seed harvester ants (Polonomyrmex rugosus) as "pulse" predators. Journal of Arid Enviornments. 70:549-552.
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2006. Chihuahuan Desert Fauna: Effects on Ecosystem Properties and Processes. Structure and Function of a Chihuahuan Desert Ecosystem: The Jornada Basin Long-Term Ecological Research Site. :247-265.
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2003. The functional significance of cemented nest caps of the harvester ant, Pogonomyrmex maricopa. Journal of Arid Environments. 53:281-284.
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2002. Ants. Encyclopedia of Soil Science. :76-79.
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2002. Ecology of Desert Systems.
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2001. Establishment and effects of establishment of creosotebush, Larrea tridentata, on a Chihuahuan Desert watershed. Journal of Arid Environments. 47:1-10.
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2001. Invertebrates: Their effects on the properties and processes of desert ecosystems. Ecology of Desert Environments. :333-356.
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1999. Ants as indicators of exposure to environmental stressors in North American desert grasslands. Environmental Monitoring and Assessment. 54:143-171.
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1999. Biopedturbation by mammals in deserts: A review. Journal of Arid Environments. 41:203-230.
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1999. Effects of habitat characteristics on the abundance and activity of subterranean termites in arid southeastern New Mexico (Isoptera). Sociobiology. 34:493-504.
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1999. Effects of repeated drought on soil microarthropod communities in the northern Chihuahuan Desert. Biology and Fertility of Soils. 28:117-120.
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1999. Using resistance and resilience measurements for ‘fitness’ tests in ecosystem health. Journal of Environmental Management. 57:21-29.
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1998. Contribution of pits dug by goannas (Varanus gouldii) to the dynamics of banded mulga landscapes in eastern Australia. Journal of Arid Environments. 40:453-457.
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1998. The desert grasslands. Ecosystem Health. :313-323.
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1998. Validation of indicators. Ecosystem Health. :205-209.
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1998. Vegetation, soil, and animal indicators of rangeland health. Environmental Monitoring Assessment. 51:179-200.
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1997. Desertification and animal biodiversity in the desert grasslands of North America. Journal of Arid Environments. 37:709-720.
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1997. Desertification and biodiversity. International Symposium and Workshop Combating Desertification: Connecting Science with Community Action. :Abstract44.
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1997. Stemflow contribution to the "fertile island" effect in creosotebush, Larrea tridentata. Journal of Arid Environments. 35:451-457.
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1996. The importance of the biodiversity of soil biota in arid ecosystems. Biodiversity and Conservation. 5:185-195.
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1996. Maintaining soil processes for plant productivity and community dynamics. Proceedings of the Vth International Rangeland Congress. II:33-37.
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1995. Desertification: Implications and limitations of the ecosystem health metaphor. NATO ASI Series. I(28):273-292.
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1995. Diversity, spatial variability, and functional roles of invertebrates in desert grassland ecosystems. The Desert Grassland. :152-195.
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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.
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1995. Persistence of desertified ecosystems: explanations and implications. Environmental Monitoring Assessment. 37:319-332.
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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.
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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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1994. Persistence of desertified ecosystems: explanations and implications. International Symposium and Workshop on Desertification in Developed Countries: Why Can't We Control It?. :18-19.
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1992. Biogeochemical consequences of desertification. The Science of Global Change, The Impact of Human Activities on the Environment. :352-359.
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1992. Effects of climate change on soil biotic communities and soil processes. Global Warming and Biological Diversity. 124-136
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1992. The importance of subterranean termites in semi-arid ecosystems in south-eastern Australia. Journal of Arid Environments. 22:87-91.
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1991. Subterranean termites and long-term productivity of desert rangelands. Sociobiology. 19:235-243.
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1989. Abiotic controls on the functional structure of soil food webs. Biology and Fertility of Soils. 8:1-6.
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1989. Contributions of soil fauna to decomposition and mineralization processes in semiarid and arid ecosystems. Arid Soil Research and Rehabilitation. 3:199-215.
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1989. Effects of organic amendments on soil biota on a degraded rangeland. Journal of Range Management. 42:56-60.
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1989. Effects of water and nitrogen supplementation on phenology, plant size, tissue nitrogen, and seed yield of Chihuahuan Desert annual plants. The Southwestern Naturalist. 34:546-549.
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1989. The long-term effects of habitat modification on a desert rodent community. Patterns in the Structure of Mammalian Communities. No. 28:33-43.
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1988. Decomposition and nutrient cycling in disturbed arid ecosystems. The Reconstruction of Disturbed Arid Lands. :136-161.
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1988. Decomposition of roots in a Chihuahuan Desert ecosystem. Oecologia. 75:8-11.
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1988. Effects of harvester ant (Pogonomyrmex rugosus) nests on soils and a spring annual, Erodium texanum. The Southwestern Naturalist. 33:482-485.