摘要: Why doesn't survival of the fittest seem to apply when many plants coexist? A report in this issue Science ([ Hubbell et al .][1]) on tropical forests together with work from other habitats is converging one explanation phenomenon--the recruitment limitation hypothesis. Simply put, states that stable heterogeneous populations various types coexist because--often by chance--the more successful competitors region do not happen be locally present. [1]: http://www.sciencemag.org/cgi/content/short/283/5401/554