Encara no tenim significats per a "keystone species".
1But Dr O'Sullivan said there was clearly more to super donors than keystone species.
2Elephants are a keystone species, environmental engineers who play irreplaceable roles in maintaining ecological integrity.
3The local evolution of foundation or keystone species can create ecological patterns where none existed originally.
4He said super donors' stools tended to have high levels of specific " keystone species".
5Aspens are keystone species in boreal forests that produce condensed tannins to serve as chemical defense.
6Rare microbes may therefore be overlooked keystone species regulating the functioning of host-associated, terrestrial and aquatic environments.
7The region supported a prosperous commercial fishing industry, but overfishing depleted the northern Benguela's keystone species, the sardine.
8Beavers are a " keystone species", meaning they provide more important ecosystem services than their numbers alone would suggest.
9No people and 20 times more elephants would restore them as the undisputed keystone species in a patchwork mosaic African landscape.
10They are a keystone species, which means that they have a larger influence in the ecosystem than their numbers alone would suggest.
11Even if a species is particularly resistant to these changes, the downfall of a keystone species could bring its whole ecosystem crashing down.
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