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Ecosystem diversity addresses the combined characteristics of biotic properties which are living organisms (biodiversity) and abiotic properties such as nonliving things like water or soil (geodiversity). It is a variation in the ecosystems found in a region or the variation in ecosystems over the whole planet.
Biodiversity is also known to have an important role in reducing disaster risk and in post-disaster relief and recovery efforts. [167] [168] Biodiversity provides critical support for drug discovery and the availability of medicinal resources.
A 2019 UN report assessing global biodiversity extrapolated IUCN data to all species and estimated that 1 million species worldwide could face extinction. [ 38 ] [ 39 ] Conservation of a select species are often prioritized on several factors which include significant economic and ecological value, as well as desirability or attractiveness. [ 40 ]
Conservation biology, the science of protection and management of biodiversity; Conservation movement, political, environmental, or social movement that seeks to protect natural resources, including biodiversity and habitat; Conservation organization, an organization dedicated to protection and management of the environment or natural resources
A map of the Amazon rainforest ecoregions. The yellow line encloses the ecoregions per the World Wide Fund for Nature. A map of the bioregions of Canada and the US. An ecoregion (ecological region) is an ecologically and geographically defined area that is smaller than a bioregion, which in turn is smaller than a biogeographic realm.
Global biodiversity is the measure of biodiversity on planet Earth and is defined as the total variability of life forms. More than 99 percent of all species [ 1 ] that ever lived on Earth are estimated to be extinct .
Extinction: The Facts is a 2020 documentary film by the natural historian David Attenborough which aired on the BBC.It depicts the continuing sixth mass extinction, caused by humans, and the consequences of biodiversity loss and climate change.
Marine biodiversity reached levels comparable to those of the present day. [5] Beta diversity was the most important component of biodiversity increase from the Furongian to the Tremadocian . From the Floian onward, alpha diversity dethroned beta diversity as the greater contributor to regional diversity patterns. [ 35 ]