Human Impacts on Biodiversity Practice Test

A forest reserve experiences increased recreational use. Off-trail hiking compacts soil and damages understory plants, and ground-nesting birds abandon nests. Which management action best balances access with biodiversity protection?

A river downstream of a factory shows elevated heavy metals in sediments. Benthic invertebrate diversity declines, and fish-eating birds show reduced reproductive success due to bioaccumulation. Which term best describes the process affecting the birds?