Web10. sep 2014 · The analysis of phenotypic change is important for several evolutionary biology disciplines, including phenotypic plasticity, evolutionary developmental biology, morphological evolution ... Web15. júl 2024 · The Allee effect, named after ecologist Warder Clyde Allee [3], refers to any mechanism leading to a positive relationship between individual fitness and population density [4], [5]. ... Then, we consider the aposematism parameter and saturation constant are functions of a mean phenotypic trait subject to evolution and formulate a model that ...
Evolutionary dynamics and strong Allee effects - PubMed
The Allee effect is a phenomenon in biology characterized by a correlation between population size or density and the mean individual fitness (often measured as per capita population growth rate) of a population or species. Zobraziť viac Although the concept of Allee effect had no title at the time, it was first described in the 1930s by its namesake, Warder Clyde Allee. Through experimental studies, Allee was able to demonstrate that goldfish have a greater survival … Zobraziť viac The generally accepted definition of Allee effect is positive density dependence, or the positive correlation between population … Zobraziť viac Demographic and mathematical studies demonstrate that the existence of an Allee effect can reduce the speed of range expansion of a population and can even prevent biological invasions. Recent results based on spatio-temporal models show … Zobraziť viac Clumping results due to individuals aggregating in response to: local habitat or landscape differences, daily and seasonal weather changes, reproductive processes, or as the result … Zobraziť viac Due to its definition as the positive correlation between population density and average fitness, the mechanisms for which an Allee effect arises are therefore inherently tied to … Zobraziť viac A simple mathematical example of an Allee effect is given by the cubic growth model where the … Zobraziť viac • Berryman, AA (1997). Underpopulation (Allee) effects, Entomology Department, Washington State University. Retrieved 19 May 2008. Zobraziť viac Web1. okt 2009 · Allee effect, as an important biological phenomenon, has been considered in many ecosystems, whereas, its influence on interactions of three or more species is little … kindle hdx camera review
Overcoming Allee effects through evolutionary, genetic, and demographic …
Web1. mar 2024 · The evolutionary stability of partial migration with Allee effects. An Allee effect occurs when the per-capita growth rate increases at low densities. Here, we … Web1. aug 2013 · The Allee effect is probably an unstable factor in the food web [40] ... The evolution of phenotypic traits in a predator–prey system subject to Allee effect. Journal of Theoretical Biology, 262 (2010), pp. 528-543. View PDF View article View in Scopus Google Scholar. Cited by (0) Web23. nov 2000 · We define the genetic Allee effect as a two-step process characterized by (1) a change in population genetic structure due to a decrease in population size and (2) a … kindle hd 8 not charging