Keystone species glossary and government resources

Keystone species : a species that plays an important ecological role in determining theoverall structure and dynamic relationships within a biotic community. A keystonespecies presence is essential to the integrity and stability of a particular ecosystem. [Ministry of Forests -- Government of British Columbia]

Browse USGS for keystone species and Anywhere
Here are some USGS Web pages with more information on keystone species and

Bill Summary & Status
Title: To assist in the conservation of keystone species throughout the world.

November 16, 1999
Keystone Species Conservation Act of 1999 (Introduced in House). HR 3407 IH

Ecorisk Fundamentals: 1.6 Indicator and Keystone Species
These species are called keystone species. Removal, addition, or changes in

Double keystone bird in a keystone species complex.
The swallows thus depend on, and the sap robbers benefit from, a keystone

SDCP: Determining Vulnerable Species: Appendix D
APPENDIX D KEYSTONE SPECIES IN PIMA COUNTY, ARIZONA. Subcategory (Keystone)

SDCP: Determining Vulnerable Species: Section 8
Keystone species are species who enrich ecosystem function in a unique and

June 20, 2000: Background
...a hearing on HR 3407, the Keystone Species Conservation Act, and HR 4320,

June 20, 2000: Statement; Cyril Kormos, Conservation International
Act and the Keystone Species Conservation Act. My name is Cyril Kormos,

Coastlines 2004-2005: Spotlight on Eelgrass A Species and Habitat ...
...contribution to community structure or processes as keystone species.

06/20/2000 Statement of Jamie Rappaport Clark
ACT OF 2000 AND ON HR 3407, THE KEYSTONE SPECIES CONSERVATION ACT OF 1999

EDSITEment Lesson - Printer Friendly
Define the term "keystone species" and give an example of a case study

Natural Connections > TIDAL ZONES
...ideal in demonstrating the principal of "keystone species," which holds that

GLOBE: Special Events: Third Annual GLOBE Conference -- Mangin
Taxa and Ecological role of "Keystone" Species and "Foundational" Species in

Prairie Dogs
The prairie dog is considered a keystone species. A keystone species is one

Crater Lake National Park: Nature Notes (1999)
Clearly, the nutcracker is a keystone species since it plays a role in

Prairie Dogs as Keystone Species
Prairie Dogs as Keystone Species Project Description.

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