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Factors that threaten biodiversity Learning intention To understand what factors affect biodiversity.

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Presentation on theme: "Factors that threaten biodiversity Learning intention To understand what factors affect biodiversity."— Presentation transcript:

1 Factors that threaten biodiversity Learning intention To understand what factors affect biodiversity

2 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Starter:

3 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Activate: The WRI has identified several factors that affect biodiversity …. What are these? An unsustainably high rate of human population growth and natural resource consumption Inequality in ownership, management and flows of benefits which threatens the lives of the poorest people Concentration of agriculture, forestry and fishing on a narrowing spectrum of products Legal and institutional systems that promote unsustainable exploitation at the expense of more sustainable strategies Lack of knowledge and understanding in the management and conservation of biodiversity

4 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Activate: What are the global factors? What does this diagram tell you about the global factors?

5 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Demonstrate: Using the factors create a mind map to show what impact they have. Global threats to biodiversity Climate change Deforestation

6 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Demonstrate: What are the local factors to affect biodiversity? Fire – used to be used all over Europe and North America to clear forests for settlements. This is now used regularly in the rainforest to clear land for cattle ‘slash and burn’. Causing huge loss of biodiversity. Habitat Change – developing natural habitats for agriculture or urban growth…eventually leads to loss of biodiversity Recreational use – often occurs where ecosystems are vulnerable and plants are fragile e.g. sand dune system.

7 WALT To understand what factors affect biodiversity Success Criteria A – Examine the factors (physical and human that threaten biodiversity C – Describe the factors that affect biodiversity Plenary:

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