Extinction threshold is a term used in conservation biology to explain the point at which a species, population or metapopulation, experiences an abrupt...

lists of species and organisms that have become extinct. The reasons for extinction range from natural occurrences, such as shifts in the Earth's ecosystem...

though it still exists elsewhere. Local extinctions are contrasted with global extinctions. Local extinctions mark a change in the ecology of an area...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S An extinction event (also known as a mass extinction...

Cretaceous–Paleogene (K–Pg) extinction event, formerly known as the Cretaceous-Tertiary (K–T) extinction event, was the mass extinction of three-quarters of...

Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid...

in extinction vortices include reduced fecundity, changes in dispersal patterns, and decreased population density. Error catastrophe Error threshold Muller's...

The Voluntary Human Extinction Movement (VHEMT) is an environmental movement that calls for all people to abstain from reproduction in order to cause the...

In ecology, extinction debt is the future extinction of species due to events in the past. The phrases dead clade walking and survival without recovery...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Triassic–Jurassic (Tr-J) extinction event...

Evolutionarily Significant Unit - Extinction - Extinction event - Ex-situ conservation - Extinct in the wild - Extinction threshold Flagship species - Forest...

The Late Pleistocene to the beginning of the Holocene saw the extinction of the majority of the world's megafauna, typically defined as animal species...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Permian–Triassic extinction event, colloquially...

The Holocene extinction, also referred to as the Anthropocene extinction or the sixth mass extinction, is an ongoing extinction event caused exclusively...

Extinction is the termination of an organism by the death of its last member. A taxon may become functionally extinct before the death of its last member...

called "functional extinction," which takes a more ecological approach. Some scientists argue that the threshold for extinction should not be the complete...

demographic, or environmental factors. The quasi-extinction threshold, or sometimes called the quasi-extinction risk is the population size below which a species...

De-extinction (also known as resurrection biology, or species revivalism) is the process of generating an organism that either resembles or is an extinct...

Conservation-induced extinction is where efforts to save endangered species lead to the extinction of other species. This mostly threatens the parasite...

this threshold will ultimately lead to the extinction of that parasite in that population. Facilitation processes increase the extinction threshold, making...

Background extinction rate (BER), also known as the normal extinction rate, refers to the standard rate of extinction in Earth's geological and biological...

Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Late Devonian mass extinction, also known...

the end-Ordovician mass extinction or the Ordovician–Silurian extinction, is the first of the "big five" major mass extinction events in Earth's history...

sixth extinction. In the book, Kolbert chronicles previous mass extinction events, and compares them to the accelerated, widespread extinctions during...

Highest risk of extinction in the wild Endangered (EN) – Higher risk of extinction in the wild Vulnerable (VU) – High risk of extinction in the wild Near...

Ecological threshold Error threshold (evolution) Extinction threshold Lasing threshold Percolation threshold Polygyny threshold model Threshold cryptosystem...

E-OG Marine extinction intensity during Phanerozoic % Millions of years ago (H) K–Pg Tr–J P–Tr Cap Late D O–S The Eocene–Oligocene extinction event, also...

biodiversity is to maintain ecological function to prevent ecological extinction. Examples of species and subspecies that are extinct in the wild include...

Conservation-induced extinction Conservation status Endemism Ex-situ conservation Extinction threshold In-situ conservation Latent extinction risk Marine conservation...

This is a list of extinction events, both mass and minor:   "Big Five" major extinction events (see graphic) Marine extinction intensity during Phanerozoic...