Sentence examples for by a keystone from inspiring English sources

Variation in P. rugosus densities among different-aged treatments suggests a substantial time lag in response that could reflect temporal changes in habitat quality or facilitation by a keystone rodent, Dipodomys spectabilis.

Drive through the fortress-like gates and enter the main grounds by walking through a massive set of curved limestone arches held together by a keystone.

Republicans had tried to force Obama to make a decision on the pipeline by attaching a Keystone provision to a package to extend the payroll tax break last year.

Senator Kerry invited debate on his war service by making it a keystone of his campaign.

The football highlights show presented by Gary Lineker is a keystone of BBC1's Saturday night schedule, like another show which celebrated its half-centenary last year, Doctor Who.

A report by the Econsult Corporation, a consulting company hired by Liberty, said, by contrast, that awarding a Keystone designation to 1 Pennsylvania Plaza could generate as much as $27 million for the city, including indirect tax revenues.

Our results suggest that ecosystem engineering by O. albomarginata chamela is a keystone process structuring an arthropod community composed by xylovores, predators and parasitoids.

Constructed from 32 solid granite blocks locked together like the pieces of a puzzle, the memorial has the shape of an open hand unified by a central keystone.

In contrast to typical high, vaulting theory supported by a single keystone, more pluralistic ethical theories also purport to offer normative bases for moral thought but with more broad-based foundations.

FOR Chile, a small economy driven by exports, international integration is a keystone of growth.

Giant banded columns flanked the main doorway, which had a keystone formed by a relief sculpture of a huge elephant's head.