Ackerly, D. D. & Bazzaz, F. A. 1995. Leaf dynamics, self-shading and carbon gain in seedlings of a tropical pioneer tree. Oecologia 101: 289-298.
Aerts, R., Berendse, F., De Caluwe, H. & Schmitz, M. 1990. Competition in heath land along an experimental gradient of nutrient availability. Oikos 57: 310-318.
Angerer, J. 1991. Stemflow, throughfall and leaf litter nutrient dynamics in a subtropical savanna parkland, Texas. MS Thesis, Texas A&M University, College Station, Texas.
Archer, S. 1990. Development and stability of grass/woody mosaics in a subtropical savanna parkland, Texas, U.S.A. Journal of Biogeography 17: 453-462.
Archer, S. 1995. Tree-grass dynamics in a Prosopis-thornscrub savanna parkland: Reconstructing the past and predicting the future. Ecoscience 2: 83-99.
Archer, S., Scifres, C., Bassham, C. R. & Maggio, R. 1988. Autogenic succession in a subtropical savanna: Conversion of grassland to thorn woodland. Ecol. Monog. 58: 111-127.
Archer, S., Boutton, T. W. & Hibbard, K. A. 2000. Trees in grasslands: biogeochemical consequences of woody plant expansion. In: Schulze, E-D, Harrison, S. P., Heimann, M., Holland, E. A., Lloyd, J., Prentice, I. C. & Schimel, D. (eds), Global biogeochemical cycles in the climate system. Academic Press, Inc, San Diego, CA. (in press).
Barnes, P. W. & Archer, S. 1996. Influence of an overstorey tree (Prosopis glandulosa) on associated shrubs in a savanna park-land: implications for patch dynamics. Oecologia 105: 493-500.
Bazzaz, F. A. & Harper, J. L. 1977. Demographic analysis of the growth of Linum usitatissimum. New Phytol. 78: 193-208.
Blair, W. F. 1950. The biotic provinces of Texas. Texas J. Sci. 2: 93-117.
Boutton, T. W., Archer S. R. & Midwood, A. J. 1999. Stable isotopes in ecosystem science: structure, function and dynamics of a subtropical savanna. Rapid Commun. Mass Spectr. 13: 1-15.
Box, E. O. 1995. Factors determining distributions of tree species and plant functional types. Vegetatio 121: 101-116.
Chabot, B. F. & Hicks, D. J. 1982. The ecology of leaf life spans. Ann. Rev. Ecol. Syst. 13: 229-259.
Chapin, F. S. III. 1993. Functional role of growth forms in ecosystem and global processes. pp. 287-311. In: Ehleringer, J. R. & Field, C. B. (eds), Scaling physiological processes: leaf to globe. Academic Press, Inc, San Diego, CA.
Chapin, F. S. III., Bret-Harte, M. S., Hobbie, S. E. & Zhong, H. 1996. Plant functional types as predictors of transient responses of arctic vegetation to global change. J. Veg. Sci. 7: 347-358.
Coffey, C. R. 1986. A floristic study of the La Copita Research Area in Jim Wells County, Texas. MS Thesis, Texas A&M University, College Station, Texas.
Coley, P. D. 1988. Effects of plant growth rate and leaf lifetime on the amount and type of anti-herbivore defense. Oecologia 74: 531-536.
Correll, D. S. & Johnston, M. C. 1979. Manual of the vascular plants of Texas. University of Texas Press, Richardson.
Deevey, E. S. 1947. Life tables for natural populations of animals. Quart. Rev. Biol. 22: 283-314.
Diemer, M., Körner, Ch. & Prock, S. 1992. Leaf life spans in wild perennial herbaceous plants: a survey and attempts at a functional interpretation. Oecologia 89: 10-16.
Diemer, M. & Körner, Ch. 1996. Lifetime leaf carbon balances of herbaceous perennial plants from low and high altitudes in the central Alps. Funct. Ecol. 10: 33-43.
Eamus, D. 1999. Ecophysiological traits of deciduous and evergreen woody species in the seasonally dry tropics. Trends Ecol. Evol. 14: 11-16.
Ewers, F. W. & Schmid, R. 1981. Longevity of needle fascicles of Pinus longaeva (Bristlecone Pine) and other North American pines. Oecologia 51: 107-115.
Field, C. B. & Mooney, H. A. 1983. Leaf age and seasonal effects on light, water, and nitrogen use efficiency in a California shrub. Oecologia 56: 348-355.
Gower, S. T. & Richards, J. H. 1990. Larches: deciduous conifers in an evergreen world. Bioscience 40: 818-826.
Gower, S. T., Reich, P. B. & Son, Y. 1993. Canopy dynamics and aboveground production of five tree species with different leaf longevities. Tree Physiol. 12: 327-345.
Grime, J. P. & Campbell, B. D. 1991. Growth rate, habitat productivity, and plant strategy as predictors of stress response. pp. 143-159. In: Mooney, H. A., Winner, W. E. & Pell, E. J. (eds), Response of plants to multiple stresses. Academic Press, Inc., New York.
Hibbard, K. A., Archer, S., Schimel, D. S. & Valentine, D. V. 2000. Biogeochemical changes accompanying woody plant encroachment in a subtropical savanna. Ecology (revision pending).
Johnson, D. A. & Tieszen, L. L. 1976. Aboveground biomass allocation, leaf growth and photosynthesis patterns in tundra plant forms in Arctic Alaska. Oecologia 24: 159-173.
Kikuzawa, K. 1991. A cost-benefit analysis of leaf habit and leaf longevity of trees and their geographical pattern. Am. Nat. 138: 1250-1263.
Kikuzawa, K. 1995. The basis for variation in leaf longevity of plants. Vegetatio 121: 89-100.
Kikuzawa, K. & Kudo, G. 1995. Effects of the length of the snow-free period on leaf longevity in alpine shrubs: a cost-benefit model. Oikos 73: 214-220.
Lajtha, K. & Whitford, W. G. 1989. The effect of water and nitrogen amendments on photosynthesis, leaf demography, and resource-use efficiency in Larrea tridentata, a desert evergreen shrub. Oecologia 80: 341-348.
Le Houerou, H. N. & Norwine, J. 1988. The ecoclimatology of South Texas. pp. 14-35. In: Whitehead, E. E., Hutchinson, C. F., Timmesman, B.N. & Varady, R.G. (eds), Arid lands: today and tomorrow. Westview Press, Boulder, Colorado USA.
Lonard, R. I. & Judd, F. W. 1985. Effects of a severe freeze on native woody plants in the Lower Rio Grande Valley, Texas. Southwestern Nat. 30: 397-403.
Loomis, L. E. 1989. Plant-soil relationships in grassland-to-woodland succession. PhD Dissertation, Texas A&M University, College Station, Texas.
Lowman, M. D. 1992. Leaf growth dynamics and herbivory in five species of Australian rain forest canopy trees. J. Ecol. 80: 433-447.
Martin, C. E., Loeschen, V. S. & Borchert, R. 1994. Photosynthesis and leaf longevity in trees of a tropical deciduous forest in Costa Rica. Photosynthetica 30: 341-351.
McLendon, T. 1991. Preliminary description of the vegetation of south Texas exclusive of coastal saline zones. Texas J. Sci. 43: 13-32.
McMurtry, C. R. 1997. Gas exchange physiology and water relations of co-occurring woody plant species in a Texas subtropical savanna. MS Thesis, Southwest Texas State University, San Marcos, Texas.
Midwood, A. J., Boutton, T. W., Archer, S. R. & Watts, S. E. 1998. Water use by woody plants on contrasting soils in a savanna parkland: assessment with δ2H and δ18O. Plant Soil 205: 13-24.
Mooney, H. A. & Gulmon, S. L. 1982. Constraints on leaf structure and function in reference to herbivory. Bioscience 32: 198-206.
Mulkey, S. S., Wright, S. J. & Smith, A. P. 1993. Comparative physiology and demography of three Neotropical forest shrubs: alternative shade-adaptive character syndromes. Oecologia 96: 526-536.
Nilsen, E. T. 1986. Quantitative phenology and leaf survivorship of Rhododendron maximum in contrasting irradiance environments of the Southern Appalachian Mountains. Am. J. Bot. 73: 822-831.
Reader, R. J. 1980. Effects of nitrogen fertilizer, shade, and the removal of new growth on longevity of overwintering bog ericad leaves. Can. J. Bot. 58: 1737-1743.
Reich, P. B., Uhl, C., Walters, M. B. & Ellsworth, D. S. 1991. Leaf life span as a determinant of leaf structure and function among 23 Amazonian tree species. Oecologia 86: 16-24.
Reich, P. B., Walters, M. B. & Ellsworth, D. S. 1992. Leaf life-span in relation to leaf, plant, and stand characteristics among diverse ecosystems. Ecol. Monog. 62: 365-392.
Reich, P. B., Walters, M. B. & Ellsworth, D. S. 1997. From tropics to tundra: global convergence in plant functioning. Proc. Nat. Acad. Sci. USA 94: 13730-13734.
Reid, N., Stafford-Smith, D. M., Beyer-Münzel, P. & Marroquín, J. 1990. Floristic and structural variation in the Tamaulipan thornscrub, northeastern Mexico. J. Veg. Sci. 1: 529-538.
SAS Institute. 1985. SAS user's guide: statistics, 5th ed. SAS Institute, Inc. Cary, North Carolina.
Scifres, C. J. & Koerth, B. H. 1987. Climate, vegetation and soils of the La Copita Research Area. Texas Agricultural Experiment Station Report. MP-1626. Texas A & M University, College Station, Texas.
Shaver, G. R. 1981. Mineral nutrition and leaf longevity in an evergreen shrub, Ledum palustre: ssp. decumbens. Oecologia 49: 362-365.
Shukla, R. P. & Ramakrishnan, P. S. 1984. Leaf dynamics of tropical trees related to successional status. New Phytol. 97: 697-706.
Skarpe, C. 1996. Plant functional types and climate in a southern African savanna. J. Veg. Sci. 7: 397-404.
Tilman, D. 1985. The resource ratio hypothesis of succession. Am. Nat. 125: 827-852.
Walters, M. B. & Reich, P. B. 1999. Low-light carbon balance and shade tolerance in the seedlings of woody plants: do winter deciduous and broad-leaved evergreen species differ? New Phytol. 143: 143-154.
Watts, S. 1993. Rooting patterns of co-occurring woody plants on contrasting soils in a subtropical savanna. MS Thesis, Texas A&M University, College Station, Texas.
Wendler, R. & Millard, P. 1996. Impacts of water and nitrogen supplies on the physiology, leaf demography and nitrogen dynamics of Betula pendula. Tree Physiol. 16: 153-159.
Williams, K., Field, C. B. & Mooney, H. A. 1989. Relationships among leaf construction cost, leaf longevity, and light environment in rainforest plants of the genus Piper. Am. Nat. 133: 198-211.