Sustainable Fisheries (OCR GCSE Biology A (Gateway Science Suite)): Flashcards
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Main cause of rapid fish decline in oceans
Main cause of rapid fish decline in oceans
Overfishing
Definition of overfishing
Definition of overfishing
Fish caught faster than they can reproduce
Result of fish harvesting exceeding replenishment
Result of fish harvesting exceeding replenishment
Decline in fish numbers
Why fish populations must stay above certain level
Why fish populations must stay above certain level
Prevent species becoming endangered or extinct
What net size regulations require
What net size regulations require
Larger mesh sizes
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 can grow to maturity and reproduce
Definition of fishing quotas
Definition of fishing quotas
Limits on amount of species caught in area/time
Purpose of fishing quotas
Purpose of fishing quotas
Prevent overfishing, ensure sustainable catch
Primary goal of sustainable fishing measures
Primary goal of sustainable fishing measures
Healthy and sustainable fish populations
How larger mesh nets help fish populations
How larger mesh nets help fish populations
Young fish escape, grow and reproduce