Web29 apr. 2001 · Although MacArthur and Wilson (1967) wrote about traditional ecological processes such as competition, the actual parameters of their model were immigration and extinction rates, distance from mainland source areas and island size. ... Tilman 1982, 1987). On the other hand, while it is not difficult to demonstrate the existence of … Webneighborhoods (e.g., Horn and MacArthur 1972, Ra- borhoods, but that neighborhoods can differ in com- binowitz and Rapp 198 1, Gross and Werner 1982, position because of colonization limitation. ... (Wilson and Tilman 1991a, b). Herbivory is of low intensity (Tilman 1990). Light is ... Tilman 1982). In this paper, I first summarize the original ...
Competition components along productivity gradients – revisiting …
Web1981, Tilman 1982, Pimm 1991). In support of this view, experimental and observational studies have ... MacArthur and Wilson 1967). One way to determine the roles that such processes may play in a community is to test how local species composition, abundance, and diversity are influenced Web1959, Ricklefs 1977, Tilman 1982, Tilman and Pacala 1993, Mittelbach et al. 2001). This is proposed to occur because plant community members have different resource niches that allow each species to be competitively dominant under a different combination of local resource conditions (MacArthur and Levins 1967, Ricklefs 1977, Reynolds et al. 2007). preachers title
Resource heterogeneity does not explain the diversityâ …
Webgraphic theory (MacArthur and Wilson 1967) to the design of wildlife refuges (references in Simberloff 1982), the most frequent specific recommendation is that a single large refuge will maintain more species than two or more small ones with total area equal to that of the single large one (Wilson and Willis 1975; Diamond and May 1976). Web15 sept. 2015 · MacArthur proposed that the species-level theory could be scaled up to the community level via what he termed the “niche compression hypothesis” (NCH). The … Habitat complexity MacArthur and MacArthur, 1961 15 Immigration vs. … Webtheory (MacArthur and Wilson 1967; Pianka 1970), strategy theory (Grime 1973, 1977, 1979, 1988), and mechanistic models of competition (Tilman 1982, 1988; Smith and Huston 1989; Goldberg 1990). scoot airlines customer service phone number