LITERATURE CITED

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Adams, D.C. 1985. Effect of time of supplementation on performance, forage intake and grazing behavior of yearling beef steers grazing Russian wild ryegrass in the fall J. Anim Sci 61.-1037-1042.

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Brown, B. J, and J. J. Ewel 1988. Response to defoliation of species-rich and monospecific tropical plant communities. Oecologia (Berlin) 75:12-19.

Brown, J. R., and S. Archer. 1987. Woody plant seed dispersal and gap formation in a North American subtropical savanna woodland: the role of domestic herbivores. Vegetatio 72:159-166.

Brown, J. R, and S. Archer. 1989. Woody plant invasion of grasslands: establishment of honey mesquite (Prosopis glandulosa var. glandulosa) on sites differing in herbaceous biomass and grazing history. Oecologia (Berlin) 80:19-26.

Brown J. R, and S. Archer. 1990. Water relations of a perennial grass and seedling versus adult woody plants in a subtropical savanna, Texas. Oikos 57:366-374.

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Bryant F. C., M. M. Kothamnn, and L B. Merrill 1979. Diets of sheep, Angora goats, Spanish goats and white-tailed deer under excellent range conditions. J. Range Manage. 32:412- 417. Bucher, E. H. 1987. Herbivory in arid and semi-arid regions of Argentina. Revista Chilenda de Historia Natural 608:265-273.

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Burns, J. C. 1978. Symposium: forage quality and animal performance. Antiquality factors as related to forage quality. J. Dairy Sci. 61:1809-1820.

Burroughs, W., D. K Nelson, and D. R. Mertens. 1975. Evaluation of protein nutrition by metabolizable protein and urea fermentation potential J. Dairy Sci. 58:611-619.

Busso, C. A., R. J. Mueller, and J. H. Richards. 1989. Effects of drought and defoliation on bud viability in two caespitose grasses. Ann. Bot 63.477-485.

Butler, J. L-, and D. D. Briske. 1988. Population structure and tiller demography of the bunchgrass Schizachyrium scoparium in response to herbivory. Oikos 51:306-312.

Butterfield, C. H., and J. W. Stuth 1991. Landscape constraints on foraging area selection. J. Appl Anim. Behav. Sci (in press).

Caldwell M. M. 1984. Plant requirements for prudent grazing, p. 117-152. In: Developing strategies for rangeland management Westview Press, Boulder, CO. USA.

Caldwell M. M., T. J. Dean, R. S. Nowak, R. S. Dzurec, and J. H. Richards. 1983. Bunchgrass architecture, light interception, and water-use efficiency: assessment by fiber optic point quadrats and gas exchange. Oecologia 59:178-184.

Caldwell M. M., J. H. Richards, D. A. Johnson, R S. Nowak, and R. S. Dzurec. 1981. Coping with herbivory: Photosynthetic capacity and resource allocation in two semi-arid Agropyron bunchgrasses. Oecologia (Berlin) 50:14-24.

Caldwell M. M., J. H. Richards, J. H. Manwaring and D. M. Eissenstat 1987. Rapid shifts in phosphate acquisition show direct competition between neighbouring plants. Nature 327:615-616

Canfield, RH. 1957. Reproduction and life span of some perennial grasses of southern Arizona. J. Range Manage. 10:199-203.

Carlson, D. H., T. L Thurow, P, W. Knight, and R. K Heitschmidt. 1990. Effect of honey mesquite on the water balance of Texas Rolling Plains rangeland. J. Range Manage. 43:491- 496.

Carman, J. G., and D. D. Briske. 1982. Root initiation and root and leaf elongation of dependent little bluestem tillers following defoliation. Agron. J. 74:432-435.

Carman, J. G., and D. D. Briske. 1985. Morphologic and allozymic variation between long-term grazed and non-grazed populations of the bunchgrass Schizachyrium scoparium var. frequens. Oecologia (Berlin) 66:332-337.

Casal J. J., V. A. Deregibus, and R. A. Sanchez. 1985. Variations in tiller dynamics and morphology in Lolium multiflorum Lam. vegetative and reproductive plants as affected by differences in red/far-red irradiation. Ann. Bot 56:553-559.

Casal J. J., R. A. Sanchez, and V. A. Deregibus. 1986. The effect of plant density on tillering: the involvement of R/FR ratio and the proportion of radiation intercepted per plant. Environ. Exp. Bot. 26:365-371.

Caswell H., F. Reed, S. N. Stephenson, and P. A. Werner. 1973. Photosynthetic pathways and selective herbivory: a hypothesis. Am. Nat. 107:465-480.

Caton, J. S., A. S. Freeman, and M. L. Galyean 1988a. Influence of protein supplementation on forage intake, in situ forage disappearance, ruminal fermentation and digesta passage rates in steers grazing dormant blue grama rangeland. J. Anim Sci. 66:2262-2271.

Caton, J. S., W. C. Hoefler, M. L Galyean, and M. A. Funk. 1988b. Influence of cottonseed meal supplementation and cecal antibiotic infusion in lambs fed low quality forage. II. Serum urea nitrogen, insulin, somatotropin, free fatty acids and ruminal and cecal fermentation. J. Anim. Sci. 66:2253-2261.

Chacon, E. A, and T. H. Stobbs. 1976. Influence of progressive defoliation of a grass sward on the eating behavior of cattle. Aust. J. Agr. Res. 27:709-727.

Chambers, J. C, and R. W. Brown. 1983. Methods for vegetation sampling and analysis on revegetated mined lands. USDA For. Serv. Gen. Tech. Rep. INT-151. Ogden UT. USA.

Chapin, F. S. 1980. The mineral nutrition of wild plants. Ann. Rev. Ecol Syst.. 11:233-260. Chapin, F. S., and G. R. Shaver. 1985. Individualistic growth response of tundra plant species to environmental manipulations in the field. Ecology 66:564-576.

Chapman, D. F., D. A. Clark, C. A. Land, and N. Dymock 1983. Leaf and tiller growth of Loliumperenne and Agrostis spp. and leaf appearance rates of Trifolium repens in set-stocked and rotationally grazed hill pastures. N.Z.J. Agri. Res. 26:159-168.

Chapman, D. F., D. A. Clark, C. A. Land, and N. Dymock 1984. Leaf and tiller or stolon death of Lolium perenne, Agrostis spp., and Trifolium repens in set-stocked and rotationally grazed hill pastures. N.Z.J. Agr. Res. 27:303-312.

Charney, J., P. H. Stone, and W. J. Quirk. 1975. Drought in the Sahara.: A biophysical feedback mechanism. Science 187:434-435.

Charnov, E. L 1976. Optimal foraging: the marginal value theorem. Theor. Pop. Biol. 9:129- 136. Chatterton, N.J, P. A. Harrison, J. H. Bennett, and W. R. Thornley. 1987. Fructan, starch and sucrose concentrations in crested wheatgrass and redtop as affected by temperature. Plant Physiol. Biochem. 25:617-623.

Chew, R. M. 1982. Changes in herbaceous and suffrutescent perennials in grazed and ungrazed desertified grassland in southeastern Arizona, 1958-1978. Am. Midl. Nat. 108:159-169.

Chew, R M., and A. E. Chew. 1965. The primary productivity of a desert shrub (Larrea tri- dentata) community. Ecol. Monogr. 35:355--375.

Christie, E. K 1975. A study of phosphorus nutrition and water supply on the early growth and survival of buffelgrass grown on a sandy red earth from south-west Queensland. Aust. J. Exp. Agr. Anim. Husb. 15:239-249.

Church, D.C. 1969. Digestive physiology and nutrition of ruminants. Vol 1. Oregon St. Univ. Press, Corvallis. USA.

Cinguemani V., J. R Owensby, Jr., and R. G. Baldwin. 1978. Input data for solar systems. US Dep. Energy Rep., Environ. Resour. Assess. Branch Interagency Agree. No. E(49-26)- 1041.

Clark, F. E. 1977. Internal cycling of 15 nitrogen in shortgrass prairie. Ecology 58:1322-1333.

Clarke, S. E, E. W. Tisdale, and N. A. Skoglund. 1947. The effects of climate and grazing practices on short-grass prairie vegetation in southern Alberta and southwestern Saskatchewan. Ministry Agr. Tech. Bull. No. 46. Saskatoon, Saskatchewan. CAN.

Canfield, RH. 1957. Reproduction and life span of some perennial grasses of southern Arizona. J. Range Manage. 10:199-203.

Carlson, D. H., T. L Thurow, R W. Knight, and R. K Heitschmidt 1990. Effect of honey mesquite on the water balance of Texas Rolling Plains rangeland. J. Range Manage. 43:491- 496.

Carman, J. G., and D. D. Briske. 1982. Root initiation and root and leaf elongation of dependent little bluestem tillers following defoliation Agron. J. 74:432-435.

Carman, J. G., and D. D. Briske. 1985. Morphologic and allozymic variation between long-term grazed and non-grazed populations of the bunchgrass Schizachyrium scoparium var. frequens. Oecologia (Berlin) 66:332-337.

CasaL J. J, V. A. Deregibus, and R. A. Sanchez. 1985. Variations in tiller dynamics and morphology in Lolium multiflorum Lam vegetative and reproductive plants as affected by differences in red/far-red irradiation. Ann. Bot 56.-553-559.

Casal J. J., R A. Sanchez, and V. A. Deregibus. 1986. The effect of plant density on tillering: the involvement of R/FR ratio and the proportion of radiation intercepted per plant. Environ. Exp. Bot. 26:365-371.

Caswell H., F. Reed, S. N. Stephenson and P. A. Werner. 1973. Photosynthetic pathways and selective herbivory: a hypothesis. Am. Nat. 107:465-480.

Caton, J. S., A. S. Freeman and NL L Galyean. 1988a. Influence of protein supplementation on forage intake, in situ forage disappearance, ruminal fermentation and digesta passage rates in steers grazing dormant blue grama rangeland. J. Anim. Sci. 66:2262-2271.

Caton, J. S., W. C. Hoefler, M. L Galyean and M. A. Funk. 1988b. Influence of cottonseed meal supplementation and cecal antibiotic infusion in lambs fed low quality forage. 11. Serum urea nitrogen, insulin, somatotropin, free fatty acids and ruminal and cecal fermentation. J. Anim. Sci. 66:2253-2261.



Chacon, E. A, and T. H. Stobbs. 1976. Influence of progressive defoliation of a grass sward on the eating behavior of cattle. Aust. J. Agr.Res 27:709-727.

Chambers, J. C, and R. W. BrowrL 1983. Methods for vegetation sampling and analysis on revegetated mined lands. USDA For. Serv. Gen. Tech. Rep. INT-151. Ogden, UT. USA.

Chapin, F. S. 1980. The mineral nutrition of wild plants. Ann. Rev. Ecol Syst. 11:233-260.

Chapin, F. S., and G. R. Shaver. 1985. Individualistic growth response of tundra plant species to environmental manipulations in the field. Ecology 66:564-576.

Chapman, D. F., D. A. Clark, C. A. Land, and N. Dymock 1983. Leaf and tiller growth of Lolium perenne and Agrostis spp. and leaf appearance rates of Trifolium repens in set-stocked and rotationally grazed hill pastures. N.Z.J. Agri. Res. 26:159-168.

Chapman, D. F., D. A. Clark, C. A. Land, and N. Dymock. 1984. Leaf and tiller or stolon death of Lolium perenne, Agrostis spp., and Trifolium repens in set-stocked and rotationally grazed hill pastures. N.Z.J. Agr. Res. 27:303-312.

Charney, J, P. H. Stone, and W. J. Quirk. 1975. Drought in the Sahara: A biophysical feedback mechanism Science 187:434-435.

Chamov, E. L 1976. Optimal foraging: the marginal value theorem. Theor. Pop. Biol. 9:129- 136.

Chatterton, N.J, P. A. Harrison, J. H. Bennett, and W. P, Thornley. 1987. Fructan, starch and sucrose concentrations in crested wheatgrass and redtop as affected by temperature. Plant Physiol. Biochem. 25:617-623.

Chew, R, M. 1982. Changes in herbaceous and suffrutescent perennials in grazed and ungrazed decertified grassland in southeastern Arizona, 1958-1978. Am. Midl. Nat. 108:159-169.

Chew, R. M., and A. E. Chew. 1965. The primary productivity of a desert shrub (Larrea tridentata) community. Ecol. Monogr. 35:355-375.

Christie, E. K 1975. A study of phosphorus nutrition and water supply on the early growth and survival of buffelgrass grown on a sandy red earth from south-west Queensland. Aust. J. Exp. Agr. Anim. Husb. 15:239-249.

Church, D.C. 1969. Digestive physiology and nutrition of ruminants. VOL 1. Oregon St. Univ. Press, Corvallis. USA.

Cinguemani V., J. R, Owensby, Jr., and R. G. Baldwin. 1978. Input data for solar systems. US Dep. Energy Rep., Environ. Resour. Assess. Branch. Interagency Agree. No. E(49-26)- 1041.

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