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The keystone concept is defined by its ecological effects, and these in turn make it important for conservation. In this it overlaps with several other species conservation concepts such as flagship species, indicator species, and umbrella species. For example, the jaguar is a charismatic big cat which meets all of these definitions: [11]
A keystone species is a term scientists use for species that are critically important to their ecosystem. When a keystone species disappears, it drastically changes the habitat the species used to ...
Robert Treat "Bob" Paine III (April 13, 1933 – June 13, 2016) was an American ecologist who spent most of his career at the University of Washington.Paine coined the keystone species [1] [2] [3] concept to explain the relationship between Pisaster ochraceus, a species of starfish, and Mytilus californianus, a species of mussel.
The beaver is a keystone species, increasing biodiversity in its territory through creation of ponds and wetlands. [1] [2] As wetlands are formed and riparian habitats enlarged, aquatic plants colonize newly available watery habitat.
As a result, ecosystem engineers are important for maintaining the health and stability of the environment they are living in. Since all organisms impact the environment they live in one way or another, it has been proposed that the term "ecosystem engineers" be used only for keystone species whose behavior very strongly affects other organisms ...
Cleanup continues, and a portion of the oil pipeline has reopened as experts investigate the cause and impacts of last week’s oil spill.
A keystone species is one that, if it disappears, can cause the entire ecosystem to collapse. Prairie dogs are an important food source for predators in the area.
Antarctic krill (Euphausia superba) are a keystone species, forming an important part of the Antarctic food web.. At least 235 marine species are found in both Antarctica and the Arctic, ranging in size from whales and birds to small marine snails, sea cucumbers, and mud-dwelling worms.