Exam 13: Sustaining Aquatic Biodiversity

Which animal is a cetacean? 

Which term refers to a fish population that is temporarily reduced due to over-fishing? 

Before 1989,one bycatch of the U.S.shrimp trawling industry was loggerhead turtles.

Which destructive organism was introduced into the Great Lakes and has now spread to most of the major river systems in the central and eastern U.S.? 

The Eurasian ruffe is native to Canadian aquatic ecosystems.

What is the definition of bycatch? 

_____________________________________________ is a community-based effort to develop and use coastal resources more sustainably.

Canada's salmon populations fluctuate from year to year in response to a variety of influences,including changes in ocean ____________________.

Where is most marine biodiversity found? 

The greatest threat to the biodiversity of the world's oceans is the loss and degradation of habitats.

Maximum sustained yield has helped prevent the collapse of most commercially valuable stocks of fish.

The ____________________ mussel invaded the Great Lakes because European ships emptied their ballast waters into the lake system.

____________________% of the wetlands of the prairie pothole region has been lost due to human activities.

Which of the following is a fact about wetlands? 

How did the sea lamprey reach the Great Lakes? 

Integrated coastal management tries to balance environmental quality with the need to meet economic and social demands.

Sackville Waterfowl Park is located in ____________________,New Brunswick.