DEBORAH A. CLARK, Ph.D., University of Wisconsin
E-Mail: DCLARK@SOL.RACSA.CO.CR
Education
Ph.D., Zoology (minor in Botany), University of Wisconsin, Madison, 1978.
B.A., Biology, University of North Carolina, Chapel Hill, 1970.
Professional Experience
1994 - present Adjunct Associate Professor, Department of Biology,
University of Missouri-St. Louis.
1980 - Feb. 1994 Co-Director, La Selva Biological Station, Organization
for
Tropical Studies, Costa Rica.
1978 - 1979 Co-Director, Point Reyes Bird Observatory, Stinson Beach,
California.
Selected Publications
Clark, D.B., and D.A. Clark. In press. Abundance, growth and mortality of
very large trees in neotropical lowland rain forest. Forest Ecology and
Management.
Clark, D.A., D.B. Clark, R. Sandoval M., M.V. Castro C. 1995. Edaphic and
human effects on landscape-scale distributions of tropical rain forest palms:.
Ecology 76:2581-1594.
Ryan, M.G., Hubbard, R. M., Clark, D. A. and R.L. Sanford, Jr. 1994. Woody
tissue respiration for Simarouba amara and Minquartia guianensis, two tropical
wet forest trees with different growth habitats. Oecologia 100:213-220.
Clark, D.A. and D.B. Clark. 1994. Climate-induced annual variation in canopy
tree growth in a Costa Rican tropical rain forest. Journal of Ecology 82:865-872.
Clark, D.A. 1994. Plant demography. In L.A. McDade, K.S. Bawa, H.A. Hespenheide,
and G.S. Hartshorn (eds). Pp. 90-105 in La Selva: ecology and natural history
of a neotropical rain forest. University of Chicago Press.
Clark, D.B., D.A. Clark, and P.M. Rich. 1993. Comparative analysis of microhabitat
utilization by saplings of nine tree species in neotropical rain forest.
Biotropica 25:397-407.
Oberbauer, S.F., D.B. Clark, D.A. Clark, P. Rich, and G. Vega. 1993. Light
environment, gas exchange, and annual growth of three species of Costa Rican
rain forest trees. Journal of Tropical Ecology 9:511-523.
Rich, P.M., D.B. Clark, D.A. Clark, and S.F. Oberbauer. 1993. Long-term
study of solar radiation regimes in a tropical wet forest using quantum
sensors and hemispherical photography. Agricultural and Forest Meteorology
65:107-127.
Clark, D.A., and D.B. Clark. 1992. Life history diversity of canopy and
emergent trees in a neotropical rain forest. Ecological Monographs 62:315-344.
Clark, D.B., and D.A. Clark, and M.H. Grayum. 1992. Leaf demography of a
neotropical rain forest cycad, Zamia skinneri (Zamiaceae). American Journal
of Botany 79:28-33.
Clark, D.B., and D.A. Clark. 1991. The impact of physical damage on canopy
tree regeneration in tropical rain forest. Journal of Ecology 79:447-457.
Clark, D.B., and D.A. Clark. 1991. Herbivores, herbivory, and plant phenology:
patterns and consequences in a tropical rain forest cycad. Pages 209-225
in P.W. Price, T.M. Lewinsohn, G. Wilson Fernandes, and W. Benson (eds.).
Plant-animal interactions: evolutionary ecology in tropical and temperate
regions. John Wiley.
Clark, D.B. and D.A. Clark. 1990. Distribution and effects on tree growth
of lianas and hemiepiphytes in a Costa Rican tropical wet forest. Journal
of Tropical Ecology 6:321-331.
Clark, D.B. and D.A. Clark. 1989. The role of physical damage in the seedling
mortality regime of a neotropical rain forest. Oikos 55:225-230.
Oberbauer, S.F., D.A. Clark, D.B. Clark, and M. Quesada. 1989. Comparative
analysis of photosynthetic light environments within the crowns of juvenile
rain forest trees. Tree Physiology 5:13-23.
Oberbauer, S.F., D.B. Clark, and D.A. Clark. 1988. Crown light environments
of saplings of 2 species of rain forest emergent trees. Oecologia 75:207-212.
Clark, D.B. and D.A. Clark. 1988. Leaf production and the cost of reproduction
in the tropical rain forest cycad, Zamia skinneri. Journal of Ecology 76:1153-1163.
Clark, D.B., and D.A. Clark. 1987. Population biology and microhabitat distribution
of Dipteryx panamensis, a neotropical rain forest emergent tree. Biotropica
19:236-244.
Clark, D.A., R. Dirzo, and N. Fetcher, editors. 1987. Ecologia y ecofisiologia
de plantas en los bosques mesoamericanos. Revista de Biologia Tropical 35(Suppl.1):1-234.
Clark, D.A., and D.B. Clark. 1987. Analisis de la regeneracion de arboles
del dosel en bosque muy humedo tropical: aspectos tecnicos y practicos.
Revista de Biologia Tropical 35 (Suppl.1):41-54.
Clark, D.A., and D.B. Clark. 1987. Temporal and environmental patterns of
reproduction in Zamia skinneri, a tropical rain forest cycad. Journal of
Ecology 75:135-149.
Clark, D.A. 1986. Regeneration of canopy trees in tropical wet forests.
Trends in Ecology and Evolution 1:150-154.
Clark, D.B., and D.A. Clark. 1985. Seedling dynamics of a tropical rain
forest tree: impacts of herbivory and apical meristem damage. Ecology 66:1884-1892.
Clark, D.A., and D.B. Clark. 1984. Spacing dynamics of a tropical rain forest
tree: evaluation of the Janzen-Connell model. American Naturalist 124:769-788.
Research Interests
Population ecology, life history diversity, and ecophysiology of canopy
trees of lowland tropical rain forest. Ecological differentiation between
the sexes of dioecious tropical trees. Climatic controls of forest productivity
in tropical wet forest. Edaphic and human influences on the landscape distribution
of tropical rain forest trees. Analysis of thimpact of deforestation on
the geographic distribution of genetic variationin tropical timber trees,
using a combination of DNA and isozyme molecular techniques. Reproductive
biology and demography of a tropical rain forest cycad.