Sentence examples for keystone role from inspiring English sources

Yet despite the shark's keystone role in marine ecosystems, international efforts to protect them have largely failed, according to the United Nations FAOO committee on fisheries: Ten years since adoption of the Shark International Plan of Action (IPOA), most fishing nations have not completed national plans of action or imposed basic fishing limits for these particularly slow growing animals.

Thus, deer are playing a keystone role in these communities.

Research suggests that prairie dogs play a keystone role in grassland ecosystems.

Technologies that span multiple users, such search engines or email services, often play a keystone role in information ecologies.

Our data demonstrate that the mechanism of the keystone role of kangaroo rats is through direct graminivory.

We examined the response of five species of cavity-nesting birds to these phenomena because they play a keystone role in these forest ecosystems.

Ongoing population monitoring is essential to ensure that this flying fox species, and others, can continue to perform their keystone roles in seed dispersal and possibly other ecological functions.

Nearly half of the earth's terrestrial surface is covered by forests (Melillo et al. 1993), and many tree species play foundation or keystone roles, providing habitat, food or mutualisms with many animals, fungi, micro-organisms, and other plants in addition to other ecosystem services and resources for human use.

For example, ferns shape ecosystem regeneration, persistence, and biomass production in eastern North American temperate forests [ 2- 4]; play keystone roles in tropical rainforest canopies [ 5, 6], heathlands [ 7], after landslides [ 8], and on islands [ 9]; and include several invasive species with significant economic impact [ 10- 12].

No doubt, the nearly 100,000 people who have pledged to risk arrest to stop Keystone XL played a key role in pushing the administration to more accurately consider the full impact of this project - which must clearly result in rejection.

Car theft plays a key role in facilitating many other types of crime and so its removal, like that of the keystone in an archway, causes those around it to tumble.