Populations and Sustainability (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the key difference between conservation and preservation?
What is the key difference between conservation and preservation?
Conservation allows controlled human use
How many people does the UK timber trade directly employ?
How many people does the UK timber trade directly employ?
Approximately 167,000 people
What is maximum sustainable yield (MSY) in fisheries management?
What is maximum sustainable yield (MSY) in fisheries management?
Fish caught annually without reducing regen.
What are spawning grounds in fishing regulation?
What are spawning grounds in fishing regulation?
Areas where fish reproduce
What happened at George's Bank five years after fishing closures in the mid-1990s?
What happened at George's Bank five years after fishing closures in the mid-1990s?
All stocks except cod had recovered
What percentage of UK land is currently wooded?
What percentage of UK land is currently wooded?
Approximately 13%
What is a disadvantage of clear felling?
What is a disadvantage of clear felling?
Causes soil erosion and nutrient loss
Why does coppicing produce faster growth than newly planted saplings?
Why does coppicing produce faster growth than newly planted saplings?
Stumps have well-developed root systems
What is the relationship between tree growth and carbon storage?
What is the relationship between tree growth and carbon storage?
Faster growth means faster carbon storage
What does the ecosystem approach to fisheries focus on?
What does the ecosystem approach to fisheries focus on?
Entire ecosystem structure and dynamics