4

Question 1

Franklin River Blockade

Question 2

Snowy River Scheme

Question 3

Ocean Currents UK

Question 4

Southern Oscillation

Question 5

Seagrass

Question 6

Water Conflict - Australia -Murry-Darling Basin

Question 7

Water Conflict - China, Laos, Cambodia, Vietnam - Mekong River

Question 8

European Union’s Common Fisheries Policy

Question 9

St Peters Billabong

Question 10

Victoria Park Wetland

Question 11

Port River Dolphins

Question 12

Water Wars 212

Question 13

Fisheries - Salmon

Answer 13

Tasmania, Atlantic Salmon. 4m per year harvested. Reared from birth. 4 times a day, 4.8m in water. Waste enters water systems increasing nitrates. long term impact unknown. $500m industry. 2kg feed:1kg meat.

Question 14

Fisheries - Tuna

Answer 14

Blue Fin Tune - Port Lincoln SA. $200 million industry. It is an offence to overfish due to outcry in 70s and 80s. Off shore ranching. wild juveniles captures. Fed every day. 10kg of food:1kg of meat. High labour due to capturing by hand. Lowering wild biomass, 9% of original and is hence under danger of collapsing.

Question 15

Fisheries - Sardines

Answer 15

40k tonnes per year Aus. Most to feed tuna. Targeted catching - little bi-catch. Small, fast growing. Wild populations are not low.

Question 16

Whale Harvesting

Question 17

222

Question 18

Blue Ventures

Question 19

Dead Zones Gulf of Mexico

Question 20

Indicator Species for No Pollution

Answer 20

Mayfly Nymph. Not tolerant of low oxygen levels, so presence of mayfly nymph shows good water condition.

Question 21

Indicator Species for Slight Pollution.

Answer 21

Freshwater shrimp.

Question 22

Indicator Species for Heavy Pollution.

Answer 22

Sludgeworm. A species adapted to pollution and low oxygen levels.

Question 23

Cold and Hot Currents

Answer 23

Cold Currents - Poles to Equator - Humboldt Current off Peru

Hot Currents - Equator to Poles - Gulf Stream in North Atlantic Ocean