Sustainable Fisheries (AQA GCSE Biology): Flashcards
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Overfishing definition
Overfishing definition
Fish caught faster than they can reproduce
Consequence of overfishing on fish numbers
Consequence of overfishing on fish numbers
Rapid decline in fish populations
Why must fish populations stay above certain level?
Why must fish populations stay above certain level?
Prevent species from becoming endangered/extinct
Net size regulation requirement
Net size regulation requirement
Use larger mesh sizes in fishing nets
Purpose of larger mesh sizes in nets
Purpose of larger mesh sizes in nets
Allow smaller, juvenile fish to escape
Benefit of juvenile fish escaping nets
Benefit of juvenile fish escaping nets
They grow to maturity and reproduce
Fishing quotas definition
Fishing quotas definition
Catch limits for specific species in area/time period
What do fishing quotas limit?
What do fishing quotas limit?
Number of specific species caught in area/time
Purpose of fishing quotas
Purpose of fishing quotas
Prevent overfishing, ensure sustainable removal
Result when harvest exceeds replenishment rate
Result when harvest exceeds replenishment rate
Overfishing occurs, population declines
Primary goal of sustainable fishing measures
Primary goal of sustainable fishing measures
Keep fish populations healthy and sustainable
Long-term goal of sustainable fishing
Long-term goal of sustainable fishing
Future fishing without depleting marine resources