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