a species that has a disproportionate effect on its environment relative to its abundance, affecting many other organisms in an ecosystem and help in determine the types and numbers of various others species in a community.
Found on
http://en.wikipedia.org/wiki/Glossary_of_environmental_science
A keystone species is a species that has a disproportionately large effect on its environment relative to its abundance. Such species are described as playing a critical role in maintaining the structure of an ecological community, affecting many other organisms in an ecosystem and helping to determine the types and numbers of various other specie...
Found on
http://en.wikipedia.org/wiki/Keystone_species
(from the article `community ecology`) Even a fully constructed food web, however, can provide only a superficial and static view of the structure of biological communities. Not all the ...
Found on
http://www.britannica.com/eb/a-z/k/25
A species that plays a fundamental role in maintaining the plants and animals in an ecosystem.
Found on
http://www.encyclo.co.uk/local/20085
A species whose loss from an ecosystem would cause a greater than average change in other species populations or ecosystem processes.
Found on
http://www.encyclo.co.uk/local/20945
a species whose abundance dramatically alters the structure and dynamics of ecological systems (Brown and Heske 1990:1705).
Found on
http://www.encyclo.co.uk/local/21070
A species that plays a fundamental role in maintaining the plants and animals in an ecosystem.
Found on
http://www.encyclo.co.uk/local/21498
A certain key species playing a major role that is out of proportion to its abundance in the community. A keystone species has an effect on the overall diversity of a habitat. If you take a keystone species out of an area the result is a major change to that area. Red-naped Sapsucker is a keystone species because of the number of other species that...
Found on
http://www.encyclo.co.uk/local/22214
a species whose abundance dramatically alters the structure and dynamics of ecological systems (Brown and Heske 19901705).
Found on
http://www.encyclo.co.uk/local/22216
Species that interacts with a large number of other species in a community. Because of the interactions, the removal of this species can cause widespread changes to community structure. Compare with immigrant species, indicator species, and native species.
Found on
http://www.physicalgeography.net/physgeoglos/k.html
a species on which a large number of other species depend (feed).
Found on
http://www.seafriends.org.nz/books/glossary.htm
a species that has a disproportionate effect on its environment relative to its abundance, affecting many other organisms in an ecosystem and help in determine the types and numbers of various others species in a community.
Found on
http://www.translationdirectory.com/glossaries/glossary306.php
A species that has a disproportionately large effect on its habitat, biological community, or ecosystem. Named after the top block of stone—the keystone—in an archway that is essential for holding the other stones in place.
Found on
https://academy.allaboutbirds.org/bird-academys-a-to-z-glossary-of-bird-ter
A species exerting a major influence on an ecosystem, especially one on whose activities the survival of other species depends.
Found on
https://ruffnermountain.org/glossary/
A predator at the top of a food web, or discrete subweb, capable of consuming organisms of more than one trophic level beneath it
Found on
https://www.encyclo.co.uk/local/20125
An organism whose abundance or activity is central to maintaining the nature of a habitat.
Found on
https://www.encyclo.co.uk/local/22350
A species in a community that has an effect on the community larger than one would expect based on the population size of that species. If a keystone species were to go extinct in a given environment, such extinction might lead to drastic consequences for a large number of other species in that environment.
Found on
https://www.shmoop.com/study-guides/biology/ecology/terms
No exact match found.
