Oregon's Keystone Species - what they do and why they need to be protected - Bridgeliner

Keystone species are animals that play such an essential role in their environment, that if they were no longer here, the ecosystem would drastically change for the worse. They have an enormous effect within an ecosystem, not necessarily through sheer size, number or biomass, but because of the pivotal roles they play. They are so […]

Oregon's Keystone Species - what they do and why they need to be protected - Bridgeliner

Keystone Species: How Predators Create Abundance and Stability – Mother Earth News

Beavers Are Keystone Species in USA

Oregon's Intertidal Ecosystem Is Approaching a Tipping Point

What's Behind the Standoff at Oregon's Wildlife Refuge - Sustainable BusinessSustainable Business

Beavers Are Keystone Species in USA

Keystone Species: How Predators Create Abundance and Stability – Mother Earth News

Keystone Species: How Predators Create Abundance and Stability – Mother Earth News

Keystone Viaduct - Great Allegheny Passage