Great Lakes

Question 1

What seaway permits the passage of deep water ships between the Great Lakes and the Atlantic Ocean?

Answer 1

St. Lawerence River

Question 2

Name some important Great Lake industries:

Answer 2

Transportation, iron, steel, petroleum, grain, trade

Question 3

About how many species of fish can be found in the Great Lakes?

Answer 3

350 species

Question 4

At 82,000 sq km (31,698 sq mi), what lake has the highest area?

Answer 4

Lake Superior

Question 5

What is the largest fresh water lake completely within the USA?

Answer 5

Lake Michigan

Question 6

Which lake in the Great Lakes does not freeze in the winter?

Answer 6

Lake Ontario

Question 7

What has brought upon deliberate as well as unintentional changes in the Great Lakes?

Answer 7

Invasive species

Question 8

What species contributed to the collapse of native fish populations in the 1950 and 1960?

Answer 8

Sea Lampreys

Question 9

What species have largely replaced the native forage fish?

Answer 9

Alewife and smelt

Question 10

What invertebrate invaders led the dramatic change in the base of the food web supporting the fishery and the physical habitat of the lake bottom and coastal zone?

Answer 10

Zebra mussel

Question 11

What describes the saturation values of a gas?

Answer 11

Decreasing the temperature increases the saturation value

Question 12

What is an unintended consequence of releasing ballast water?

Answer 12

Release of invasive species

Question 13

Intentional introduction of fishes was historically a leading cause of many invasive species. T or F?

Answer 13

True

Question 14

AIS

Answer 14

Aquatic Invasive Species

Question 15

HACCP

Answer 15

Hazard Analysis and Critical Control Point

Question 16

What does the term bioaccumulate mean?

Answer 16

Fish take in chemicals found in the water that remain in there system at concentrations much higher than in the actual water

Question 17

What is Freddy the Fish?

Answer 17

A campaign used to make people aware of how to correctly prepare fish to minimize PCB intake.

Question 18

In 2003 how much money did Great Lake Anglers spend on fishing trips and equipment?

Answer 18

1.3 billion

Question 19

How many pounds of fish does commercial fishing in the great lakes produce each year?

Answer 19

55 million

Question 20

Since when has the diporeia population started to decline?

Answer 20

Mid 1800’s

Question 21

USGS

Answer 21

United States Geological Survey

Question 22

What is the value of the Great Lakes recreational fishing?

Answer 22

4 billion

Question 23

Eighty-seven percent of fish producers experience loss from what?

Answer 23

Fish-eating birds

Question 24

BKD

Answer 24

Bacterial Kidney Disease

Question 25

How many state governments are involved in the jurisdiction of the Great Lakes?

Answer 25

8