Density-dependent dynamics in size-structured plant populations

Density‐dependent population dynamics in clonal organisms: a modelling approach

“…There is a large body of theoretical literature on density‐dependent matrix population models (e.g. Leslie 1948; Charlesworth & Giesel 1972; Smouse & Weiss 1975; Bishir & Namkoong 1992; Takada 1995), but only a handful of studies which utilize empirical data to model the population dynamics of a particular species (e.g. DeKroon et al .…”

Aerial seed bank and dispersal traits in Anthemis chrysantha (Asteraceae), a critically endangered species

“…Changes of density in wild populations occur in response to a confluence of factors, such as nutrient and water availability or climatic conditions (Bishir and Namkoong, 1992). In the present case, the rain distribution during the study period seemed to be the main factor determining plant density, as it affected both the survival of plants and seed production.…”

Forest genetics: pattern and comple×ity

“…A wide variety of dynamic behaviours can exist for simple models of density-dependent competition that can be mediated by genes that affect competitive ability Selgrade and Namkoong 1984). Genes that directly affect the acquisition and allocation of energy among plant parts can affect density and regeneration probabilities, which in turn can cause equilibria to destabilize and populations to develop periodic behaviour instead (Bishir and Namkoong 1991). Several kinds of attractors including strange attractors may exist in such systems (Sakai 1997;Selgrade and Namkoong 1992), and there can be an evolution of alleles toward the destabilization of population densities that is driven by genetic evolution (van Coller 1997).…”