- viable population
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a population of fish in a state that maintains its vigor and its potential for evolutionary change
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
Minimum viable population — (MVP) is a lower bound on the population of a species, such that it can survive in the wild. This term is used in the fields of biology, ecology, and conservation biology. More specifically MVP is the smallest possible size at which a biological… … Wikipedia
Population bottleneck — followed by recovery or extinction A population bottleneck (or genetic bottleneck) is an evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing.[1] A slightly different… … Wikipedia
Population viability analysis — (PVA) is a species specific method of risk assessment frequently used in conservation biology. It is traditionally defined as the process that determines the probability that a population will go extinct within a given number of years. More… … Wikipedia
Population density — (people per km2) by country, 2006 … Wikipedia
Population dynamics — is the branch of life sciences that studies short term and long term changes in the size and age composition of populations, and the biological and environmental processes influencing those changes. Population dynamics deals with the way… … Wikipedia
Population dynamics of fisheries — A fishery is an area with an associated fish or aquatic population which is harvested for its commercial or recreational value. Fisheries can be wild or farmed. Population dynamics describes the ways in which a given population grows and shrinks… … Wikipedia
Population ageing — or population aging (see English spelling differences) occurs when the median age of a country or region rises. This happens because of rising life expectancy or declining birth rates. Excepting 18 countries termed demographic outliers by the… … Wikipedia
Population history of American indigenous peoples — It is thought that up to 100 million indigenous people may have lived in the Americas when the 1492 voyage of Christopher Columbus began a historical period of large scale European interaction with the Americas. European contact with what they… … Wikipedia
Kleinste überlebensfähige Population — Die kleinste überlebensfähige Population (engl. Minimum Viable Population oder MVP) ist ein Begriff aus der Populationsgenetik. Es handelt sich um die kleinste mögliche effektive Populationsgröße, die unter festgelegten Bedingungen noch… … Deutsch Wikipedia
Effective population size — In population genetics, the concept of effective population size N e was introduced by the American geneticist Sewall Wright, who wrote two landmark papers on it (Wright 1931, 1938). He defined it as the number of breeding individuals in an… … Wikipedia