A keystone species exerts top-down influence on lower trophic levels and prevents species at lower trophic levels from monopolizing critical resources, such as competition for space or key ...

Biodiversity was booming in the early Cretaceous Period, and not just among dinosaurs. The oceans also teemed with life, ...

Dominant and keystone species influence the presence and abundance of other organisms through their feeding relationships. Feeding relationships — eating or being eaten — are called trophic ...

A generic BAF model for fish. BAF-QSAR v1.1 provides estimates of the bioaccumulation factor (BAF) for generic fish species in lower, middle and upper trophic levels of aquatic food webs. The BAF ...