Bio Resources: Fishing - Statistics

General Stats
  • This quiz has been taken 6 times
    5 since last reset
  • The average score is 0 of 82
Answer Stats
Hint Answer % Correct
Greenland shark fishing stopped in... 1960s
0%
Turtle survival rate <10mins 99%
0%
Planktonic egg and larvae death Accidental deaths
0%
Demersal trawls mix... Aerobic and anaerobic sediments
0%
Pelagic longline bycatch Albatross
0%
Minimum catch size reason Allows young to grow and breed
0%
Pelagic trawling species (3) Anchovies, herring, mackerel
0%
For example... Atlantic Cod
0%
Shellfish traps Baited traps with funnel entrances
0%
Demersal trawls damage... Benthic organisms
0%
Fishing effort restrictions Boat size
0%
NTZs protect Breeding populations of vulnerable species
0%
Surplus above ______ ______ will die as _____ ________ factors increase _______ ____ Carrying capacity, density dependant, mortality rates
0%
Bycatch reasons Catch quota reached
0%
Drift net bycatch (3) Cetaceans, sharks, turtles
0%
Demersal trawling method Chains and metal balls disturb the seabed so fish swim upwards
0%
Demersal longlining species (2) Cod, haddock
0%
Demersal trawling species (4) Cod, haddock, scampi, shrimp
0%
k-selected Common skate
0%
Fishing effort restrictions (extreme) Compensation for decomissioning
0%
Common skate CR in NE Atlantic
0%
Shrimp bycatch (3) Crustaceans, molluscs, starfish
0%
Planktonic egg and larvae death Currents
0%
Demersal trawls damage... Demersal ecosystems
0%
Method with highest bycatch rate Demersal trawling
0%
Bans Demersal trawling near sensitive ecosystems
0%
Common skate bycatch in Demersal trawls
0%
Greenland shark bycatch in Demersal trawls
0%
Ghost fishing Discarded gear continues to bait
0%
_________ kills _______, ___ no longer ___ ___, ______ move sand, difficult for new plants to ______ Disturbance, seagrass, roots, bind sand, currents, colonise
0%
Most marine young spend their first few weeks _____ in ______ before ______ in the ______ to ______ Drifting, plankton, settling, seabed, colonise
0%
Bans Drift net length
0%
Planktonic egg and larvae death Eaten by predators
0%
Discard bans aim to... Encourage selective methods
0%
Fishing effort restrictions Engine power
0%
Maximum catch size reason Ensures surviving breeding population
0%
Common skate Extinct in Baltic Sea
0%
NTZs stop... Extractive activities
0%
Dynamite fishing is... Extremely unselective
0%
Planktonic egg and larvae death Failure to find food
0%
______ ______ with a _-____ in their tail are ______ ___ Female lobsters, v-notch, carrying eggs
0%
Fishing effort restrictions Fishing days
0%
Diagonal mesh allows... Greater elasticity
0%
k-selected Greenland shark
0%
r-selected Herring
0%
Bycatch reasons Immature
0%
Protected individuals may be... Known to breed
0%
Albatross eat (2) Krill, squid
0%
Purse seining method Laid around shoal and pulled tight
0%
Greenland shark fished for Lamp and lubricating oil
0%
Demersal trawling Large net and chains dragged along the seabed
0%
Pelagic trawling Large net dragged behind boat
0%
Catch quotas Limit on total weight that can be landed
0%
Demersal longlining Line of baited hooks along the seabed
0%
Purse seining Long net with floats and weights
0%
r-selected Mackerel
0%
Population decline Mortality exceeds birth rate
0%
_____ _______ ___ exceeds rate needed to ______ _________ Natural breeding rate, sustain populations
0%
Bycatch reasons No commercial value
0%
Bycatch reasons Non-target
0%
k-selected Orange roughy
0%
Coral reef impacts Polyps pressed against sharp coralite cup
0%
Captive rearing and release: Population seeding
0%
Pelagic trawling bycatch Porpoises
0%
Dynamite fishing Pressure waves from underwater explosions stun fish
0%
Species are vulnerable to overfishing if they... Reach catchable size before maturity
0%
Turtle bycatch controls Reducing trawling time increases survival rate
0%
Captive rearing and release: Release of adults raised from eggs or larvae in captivity
0%
Diagonal mesh increases... Safety for boats
0%
Female lobsters in ________ cannot be ______ if _______ is over ___ Scotland, landed, carapace, 145mm
0%
Seagrass beds found in... Shallow, sandy, tropical seas
0%
Pelagic trawling use Single-species midwater shoals
0%
Coral reef impacts Slow recovery rate
0%
Turtle Exclusion Devices Spring loaded escape panels
0%
Escape panel mesh is Square
0%
Planktonic egg and larvae death Storms
0%
For example... Tuna
0%
Drift net species (2) Tuna, herring
0%
Purse seine species (3) Tuna, herring, anchovies
0%
Pelagic longlining species (2) Tuna, squid
0%
Drift nets Vertical curtain-like net supported by floats
0%
Acoustic deterrant devices Warning high frequencies
0%
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