Pervasive density-dependent recruitment enhances seedling diversity in a tropical forest

Ridley, H. N. The Dispersal of Plants Throughout the World (L. Reeve & Co., Ashford, England, 1930).

Janzen, D. H. Herbivores and the number of tree species in tropical forests. Am. Nat. 104, 501–528 ( 1970).

Connell, J. H. in Dynamics of Populations (eds den Boer, P. J. & Gradwell, G. R.) 298–312 (Center for Agricultural Publication and Documentation, Wageningen, The Netherlands, 1971).

Augspurger, C. K. Seedling survival of tropical tree species: interactions of dispersal distance, light-gaps and pathogens. Ecology 65, 1705 –1712 (1984).

Clark, D. A. & Clark, D. B. Spacing dynamics of a tropical rainforest tree: evaluation of the Janzen–Connell model. Am. Nat. 124, 769–788 ( 1984).

Hammond, D. S. & Brown, V. K. in Dynamics of Tropical Communities (eds Newbery, D. M., Prins, H. H. T. & Brown, N. D.) 51–78 (Blackwell Science, London, 1998).

Howe, H. F. Survival and growth of juvenile Virola surinamensis in Panama: effects of herbivory and canopy closure. J. Trop. Ecol. 6, 259–280 (1990).

Webb, C. O. & Peart, D. R. Seedling density dependence promotes coexistence of Bornean rain forest trees. Ecology 80 , 2006–2017 (1999).

Condit, R., Hubbell, S. P. & Foster, R. B. Recruitment near conspecific adults and the maintenance of tree and shrub diversity in a neotropical forest. Am. Nat. 140, 261–286 (1992).

Gilbert, G. S., Hubbell, S. P. & Foster, R. B. Density and distance-to-adult effects of a canker disease of trees in a moist tropical forest. Oecologia 98, 100–108 (1994).

Hubbell, S. P., Condit, R. & Foster, R. B. Presence and absence of density dependence in a neotropical tree community. Phil. Trans. R. Soc. Lond. B 330, 269–281 (1990).

Wills, C. & Condit, R. Similar non-random processes maintain diversity in two tropical rainforests. Proc. R. Soc. Lond. B 266, 1445–1452 (1999).

Wills, C., Condit, R., Foster, R. B. & Hubbell, S. P. Strong density- and diversity-related effects help to maintain tree species diversity in a neotropical forest. Proc. Natl Acad. Sci. USA 94, 1252–1257 (1997).

Hubbell, S. P. Seed predation and the coexistence of tree species in tropical forests. Oikos 35, 214–229 ( 1980).

Wright, S. J. in Handbook of Functional Plant Ecology (eds Pugnaire, F. I. & Valladares, F.) 449–472 (M. Dekker, New York, 1999).

Connell, J. H. Diversity in tropical rain forest and coral reefs. Science 199, 1302–1309 (1978).

Leigh, E. G. Jr Tropical Forest Ecology (Oxford Univ. Press, Oxford, 1999).

Schupp, E. W. The Janzen–Connell model for tropical tree diversity: population implications and the importance of spatial scale. Am. Nat. 140, 526–530 (1992).

Condit, R., Hubbell, S. P. & Foster, R. B. Changes in tree species abundance in a Neotropical forest: impact of climate change. J. Trop. Ecol. 12 , 231–256 (1996).

Hammond, D. S. & Brown, V. K. Seed size of woody plants in relation to disturbance, dispersal, soil type in wet neotropical forests. Ecology 76, 2544– 2561 (1995).

Kitajima, K. Relative importance of photosynthetic traits and allocation patterns as correlates of seedling shade tolerance of 13 tropical trees. Oecologia 98, 419–428 (1994).

Janzen, D. H. Specificity of seed-attacking beetles in a Costa Rican deciduous forest. J. Ecol. 68, 929–952 ( 1980).

Barone, J. A. Host-specificity of folivorous insects in a moist tropical forest. J. Anim. Ecol. 67, 400–409 (1998).

Coley, P. D. & Barone, J. A. Herbivory and plant defenses in tropical forests. Annu. Rev. Ecol. Syst. 27, 305–335 (1996).

Coley, P. D. & Aide, T. M. in Plant–Animal Interactions (eds Price, P. W., Lewinson, T. M., Fernandes, G. W. & Benson, W. W.) 25–49 (John Wiley and Sons, New York, 1991).

Hubbell, S. P. et al. Light-gap disturbances, recruitment limitation, and tree diversity in a neotropical forest. Science 283, 554 –557 (1999).

Wright, S. J., Carrasco, C., Calderón, O. & Paton, S. The El Niño southern oscillation, variable fruit production, and famine in a tropical forest. Ecology 80, 1632– 1647 (1999).

Wright, S. J., Carrasco, C., Calderòn, O. & Paton, S. The El Niño southern oscillation, variable fruit production, and famine in a tropical forest. Ecology 80, 1632– 1647 (1999).