Studied by 3 people
Biodiversity
The number and variety of organisms found within a specified geographic region or ecosystem.
Biogeographic factor
A factor that effects distribution of species and ecosystems in geographic space and time (e.g. island size, climate).
Biotic index
a scale for showing the quality of an environment by indicating the types of organisms present in it.
Captive breeding
The process of breeding animals in controlled environments within well-defined settings, such as wildlife reserves and zoos.
Edge effect
The changes in population or community structures that occur at the boundary of two habitats.
Endangered species
A species which has been categorized by the International Union for Conservation of Nature (IUCN) as likely to become extinct.
Evenness
A measure of biodiversity based on how even the abundance of each species in a geographic region or ecosystem.
Ex situ conservation
Off-site conservation or the conservation of genetic resources outside natural ecosystems.
in situ conservation
On-site conservation or the conservation of genetic resources in natural ecosystems.
Indicator species
A species presence whose absence can be used as a indicator of environmental conditions.
Nature reserve
A protected area of importance for wildlife, flora, fauna which is reserved and managed for conservation.
Richness
A measure of biodiversity based on the number of different species present in a geographic region or ecosystem.
Simpson's reciprocal index
A index that can be used to measure the biodiversity of an ecosystem.
Wildlife corridor
An area of habitat connecting wildlife populations separated by human activities or structures.
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