Ch 11 Sustaining Aquatic Biodiv - complete

Capture schooling fish such as tuna by surrounding the school w/ a net & surrounding them

Dragging of a weighted, funnel-shaped net along the bottom to capture species that live there

The nutrient loading of phosphates & nitrates into waterways is responsible for all EXCEPT

Which of the following is LEAST likely to help in producing sustainable fisheries?

Many invasive species impacting aquatic diversity today enter their new ecosystem by

Intro of water hyacinth into Lk Victoria has had all following impacts EXCEPT

Which of the following is NOT a case of habitat loss in marine areas?

Many commercially important fish are ecologically important by maintaining ecosystem function.

Mjr source of freshwater & fish, ocean going vessels spread over 100 invasive - ex zebra mussel

The GREATEST threat to aquatic biodiversity is

Hanging vertical nets in the water column w/ buoys to catch fish by the gills

Policy allowing destruction of existing wetlands as long as equal area of wetland created

The National Wild and Scenic Rivers Act

The ecological services of rivers does which of the following

Depletion of world's marine fish stocks due to overfishing is example of:

Major water diversion projects for growing cities & farmland caused drying out of river/wetland

If a policy might cause severe or irreversible harm to enviro, the most prudent measures apply

Which area would have the GREATEST biodiversity?

Is facing a reduction in biodiversity due to the introduced Nile perch and algal blooms

Scientists estimate global sea level rise by 10-25cm in 100 years.  The ID cause is:

Marine sanctuaries which are partially protected from human activities

Which about wetlands is INCORRECT

Marine biodiversity is difficult to protect due to