Allee effect
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Allee effect — The Allee effect is a phenomenon in biology characterized by a positive correlation between population density and the per capita growth rate.DescriptionThe Allee effect was first written on extensively by its namesake Warder Clyde Allee. The… … Wikipedia
Allee effect — the benefit individuals gain from the presence of conspecifics, e.g. at low densities the per capita birth rate declines because of the difficulty of finding a member of the opposite sex. Also known in fisheries as depensation mortality is… … Dictionary of ichthyology
Allee — may refer to:* Alfred Allee (1855–1896), U.S. sherriff. * J. Frank Allee (1857–1938), U.S. merchant and politician. * Warder Clyde Allee (1885–1955), U.S. ecologist, discoverer of the Allee effect. * Verna Allee (born 1949), U.S. business… … Wikipedia
Warder Clyde Allee — Infobox scientist name = Dr. Warder Clyde Allee image size = 150px birth date = June 5, 1885 birth place = nationality = United States field = Zoology work institutions = University of Florida alma mater = University of Chicago University of… … Wikipedia
Espèce invasive — Cette espèce, Miconia calvescens, originaire d Amérique centrale est jugée responsable dans l accélération de l érosion de certaines îles du Pacifique, tel que l archipel d Hawaii … Wikipédia en Français
Scientific phenomena named after people — This is a list of scientific phenomena and concepts named after people (eponymous phenomena). For other lists of eponyms, see eponym. NOTOC A* Abderhalden ninhydrin reaction Emil Abderhalden * Abney effect, Abney s law of additivity William de… … Wikipedia
Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the … Wikipedia
Depensation — In population dynamics, depensation is the effect on a population (or stock) whereby, due to certain causes, a decrease in the breeding population (mature individuals) leads to reduced survival and production of eggs or offspring. The cause may… … Wikipedia
Mutualism (biology) — Hummingbird Hawkmoth drinking from Dianthus. Pollination is a classic example of mutualism. Mutualism is the way two organisms of different species biologically interact in a relationship in which each individual derives a fitness benefit (i.e.,… … Wikipedia
Microbial intelligence — (popularly known as bacterial intelligence) is the intelligence shown by microorganisms. The concept encompasses complex adaptive behaviour shown by single cells, and altruistic and/or cooperative behavior in populations of like or unlike cells… … Wikipedia
