sound river development in South America". Interciencia 15.6 (1990b): 388-395.

Phillips, J. Fisiología Ecológica. Madrid: Editorial Blume, 1976.

Pickett, S.T. y P.S. White, editores. The Ecology of Natural Disturbance and Patch

Dynamics. New York: Academic Press, 1985.

Pickett, S.T., S.L.Collins y J.J. Armesto. "Models, mechanisms and pathways of

succession". Botanical Review 53 (1987): 335-371.

Pickett, S.T. A. y V. Thomas Parker. "Avoiding the old pitfalls: Opportunities in a new

discipline". Restoration Ecology 2.2 (1994): 75-79.

Pielou, E.C. Mathematical Ecology. New York: John Wiley & Sons, 1977.

Pielou, E.C. The Interpretation of Ecological Data: A primer on classification and

ordination. New York: J.Wiley & Sons, 1984.

Pimentel, D., U. Stachow, D. Tackacs. H. Brubaker, A. Dumas, J. Meaney, J. O'Neil, D.

Onsi y D. Corzilius. "Conserving Biological Diversity in Agricultural/Forestry Systems: most

biological diversity exists in human-managed ecosystems". BioSciences 42.5 (1992): 354-362.

Poff, LeR. "Why disturbances can be predictable: a perspective on the definition of

disturbance in streams". Journal of the American Benthological Society 11.1 (1992): 86-92.

Poore, D., P. Burgess, J. Palmer, S. Rietbergen y T. Synnott. No Timber without Trees:

Sustainability in the Tropical Forest. London: Earthscan Publications Ltda., 1989.

Prance, G.T. "American Tropical Forest". En: Lieth, H. y M.J. Werger, editores.

Ecosystems of the world: Tropical Rain Forst Ecosystems. Ámsterdam: Elsevier, 1989.

Primack, R.B. "Tropical Community Dynamics and Conservation Biology". BioScience

42.11 (1992): 818-821.

Primack, R.B. Essentials of Conservation Biology. New York: Sinauer Associates, Inc.,

Pulliam, H.R. "Sources, sinks, and population regulation". The American Naturalist 132.5

(1988): 652-661.

Pulliam, H.R. y B.J. Danielson. "Sources, Sinks, and habitat selection: a landscape

perspective on population dynamics". The American Naturalist 137 (1991): S50-S66.

Pulliam, H.R., J.B. Dunning y J. Liu. "Population dynamics in complex landscapes: a case

study". Ecological Applications 2.2 (1992): 165-177

Ramos, A. Diccionario de la Naturaleza: hombre, ecología y paisaje. Madrid: Editorial

Espasa-Calpe, 1987.

Randall, A. "Human preferences, economics and the preservation of species". En: The

preservation of species. Norton, B.G., editor. Princeton University Press, 1986. pp. 79-109.

Rapport, D.J. y J.E. Turner. "Economic Models and Ecology". Science 195 (1977): 367-

Redford, K. y C. Padoch, editores. Conservation of Neotropical Forests. Working from

traditional resource use. Irvington: Columbia University Press, 1992.

Reid, W. y K. Miller. Keeping options alive: The scientific basis por conserving

biodiversity. Washington, D.C.: World Resources Institute, 1989.

Remmert, H., editor. The Mosaic-Cycle concept of Ecosystems. Berlin: Springer-Verlag,

Reppeto, R. "Deforestation in the tropics". Scientific American 262 (1990): 36-42.

Revista AMBIENTE. "Lenguaje de Ecología". En: Diccionario de Ecología. Masparrote, S y

G. Yépez (editores). Caracas: Sociedad de Ciencias Naturales "La Salle", 1980.

Rheingold, H. They have a Word for it: A lighthearted lexicon of untranslatable words and

phrases. Los Angeles: Jeremy Tarcher, Inc., 1988.

Richards, P.W. The Tropical Rain Forest. 1st. edition. Cambridge: Cambridge Univesity

Press, 1952.

Ricklefs, R.E. Ecology. 2nd. edition. New York: Chiron Press, 1979.