A keystone species is a species that has a disproportionately large effect on its natural environment relative to its abundance. The concept was introduced...

A cultural keystone species is one which is of exceptional significance to a particular culture or a people. Such species can be identified by their prevalence...

to serve as a keystone species is decreasing as its population and range decline. The WWF uses flagship species as one of its species classification...

Look up keystone in Wiktionary, the free dictionary. Keystone or key-stone may refer to: Keystone (architecture), a central stone or other piece at the...

keystone species, a species that has a large impact on the surrounding environment and that can directly affect the food chain. If a keystone species...

of many species. The umbrella species is often either a flagship species whose conservation benefits other species: 280  or a keystone species which may...

food for grizzly bears. Keystone species have a disproportionate influence on the community than most species. Keystone species tend to be at the higher...

": 612  A keystone species is a species that is connected to a disproportionately large number of other species in the food-web. Keystone species have lower...

which creates an inhospitable environment for fish, plants, and other keystone species such as coral reefs For example the Emperor Penguins, which rely on...

open shells makes it one of the few mammal species to use tools. In most of its range, it is a keystone species, controlling sea urchin populations which...