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Biodiversity

Threats to biodiversity and ecosystems are key A-level topics for all major exam boards. Groups campaign about loss of biodiversity, it is on the political agenda and it receives a lot of media coverage. What is biodiversity, and why does it matter?

The Atlantic Forest of Brazil is a biodiversity hotspot, less than 10% of which remains

When he was secretary of state for the environment, John Prescott gave a speech to the Royal Geographical Society in which he mentioned biodiversity 11 times. When asked what the word meant, he is said to have replied ‘I don’t really know’. As a student of geography, it is a term you need to understand.

The term dates back to the 1980s, and may have been first used by the eminent US biologist E. O. Wilson. It is a shortening of ‘biological diversity’. In his book The Creation, Wilson states:

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Modelling bankfull flow discharge in rivers

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