Silver carp linked to decline of native fish in the Mississippi River: Study

The video discusses the impact of silver carp on native sport fish in the Mississippi River. It highlights four types of Asian carp in the river system, focusing on the silver carp due to its abundance. Originally introduced to control algae and weeds, Asian carp have spread, leading to a decline in native sportfish populations due to competition for plankton. Research from 1994 to 2013 shows a 30% decline in sport fish in infested areas.

Which type of Asian carp is most abundant in the upper Mississippi River?

• Black carp

• Bighead carp

• Silver carp

• Grass carp

What was the original purpose of introducing Asian carp in the 1960s and 1970s?

• To boost sport fishing

• To control algae and weeds

• To increase fish diversity

• To improve water quality

What is the main competition between silver carp and native sport fish?

• Breeding grounds

• Predators

• Habitat space

• Plankton

By what percentage did the sport fish population decline in infested areas?

• 40%

• 30%

• 20%

• 10%

Which rivers were mentioned as being affected by the decline in sport fish?

• Mississippi and Missouri

• Mississippi and Illinois

• Ohio and Missouri

• Illinois and Ohio