Studies on plant demography attempt to understand the population dynamics of plants, that is, the changes in plant numbers through time and space. Moreover, in studying plant demography, population ecologists are also concerned with the interaction among all ecological abiotic and biotic factors that account for population fluctuations. Population size at a given time t basically depends on population size at time t - 1 plus the difference between the number of individuals recruited to the population (i.e., births and immigrations) and the number of individuals that leave the population (i.e., deaths and emigrations). Unraveling the effect of all different ecological factors that determine the demographic weight of each ofthese processes through time and space has several basic and applied implications covering different fields of plant ecology, from evolutionary ecology to conservation biology. This article focuses on all aspects of plant biology that matter for population dynamics.
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