University of Delaware entomologist Doug Tallamy's research has identified “keystone” plant species that make up the ...

The term keystone species was first coined by Robert Paine (1966) after extensive studies examining the interaction strengths of food webs in rocky intertidal ecosystems in the Pacific Northwest.

Parasitism, Keystone Species, and Ecosystem Structure The effects of parasitism on ecological communities can be particularly pronounced when the hosts are keystone or dominant species with ...

Nastaran Rahnama writes, This situation is utterly disgusting and from an international perspective embarrassing, knowing ...

Iansiti, Marco, and Roy Levien. The Keystone Advantage: What the New Dynamics of Business Ecosystems Mean for Strategy, Innovation, and Sustainability. Boston: Harvard Business School Press, 2004.

Now, scientists say they know why some places bounce back quicker than others (AFP via Getty Images) “We always thought keystone species control their ecosystem the same way, regardless of where ...

which releases many nutrients into the ecosystem and bees that play a vital role in pollinating many plant species. If these keystone species were removed, the ecosystem could collapse.