Fisheries reading

Question 1

Gredan

Answer 1

Tropic cascades
Artificial reefs
Reduction in waves causes transpiration issues for spawning and nurseries
Tidal turbines in Bay of Funday negatively impact fish migrations

Question 2

Scott

Answer 2

Green turtles aggregate in MPAs

Question 3

Hill

Answer 3

Potential WECs can act as MPAs, create FADs and possible roosts

Question 4

Robinson and Leppar

Answer 4

Showed that marine noise didn’t harm mammals even at close range

Question 5

Keenan et al

Answer 5

Harbour seals avoided SeaGen 20% less when in operation

Question 6

Cartensen

Answer 6

Porpoises showed habitat use changed substantially when pile driving was occurring

Question 7

Bailey

Answer 7

2 wind turbines in NE Scotland close to SAC area, protected bottle nosed dolphins. Loud noises cause auditory injury at 100m and behaviour modifications up to 50km away

Question 8

Barkin

Answer 8

80% stocks are over exploited, significantly depleted or fully explored. Predicted collapse by 2048

Question 9

Casseman

Answer 9

Canadian fisheries revised freshwater species legislation

Question 10

Heath

Answer 10

30-40% on NS stocks are discards. Norway opted for landing obligation in 1989 and EU followed in 2013

Question 11

Votier

Answer 11

Seabirds rely on discards, skuas suffered

Question 12

Gupta

Answer 12

Delineate oil spills in the Persian gulf during military conflict

Question 13

Incardona

Answer 13

Cardiac problems in blue fun yellow fun and amberjack tuna post deep water horizon

Question 14

White et al

Answer 14

Dispersants used in clean up last 4 years and are detrimental to cold after corals

Question 15

Guterman

Answer 15

2001 nearly 55,000 litres of oil remained in prince William sound, degrading at 0-4% a year

Question 16

Atlas

Answer 16

Bioremediation adds microbes to the pollutant, fertilisers speed up degradation, Exxon Valdez increased 3-5 times

Question 17

Hartung

Answer 17

Birds affect by loss of insulation, air, buoyancy and often I jest oil when preening. Non long term sub lethal toxic effects

Question 18

McCauly

Answer 18

Air guna and seismic surveys cause damage to fish ears, aberdovey epithelial and hair cells, no evidence of recovery after 58 days

Question 19

Wright

Answer 19

Marine mammals subject to stress under noise

Question 20

Miller

Answer 20

Humpbacks changed vocals when exposed to sonar

Question 21

Pauly

Answer 21

Northen hemisphere fishing moved South after crashes post war
Zonation into undies he’s areas and limited fishing levels would allow sustainable fisheries
Aquaculture could bridge gap between supply and demand