Biodiversity
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Biology mad ecology page
Scroll down to find detailed notes on effect of agriculture, and effect of deforestation.
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Existing rainforest is irreplacable
News article from Telegraph, talks about effect of deforestation.
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Is there an alien in your garden?
From BBC news site – video clips about plant that have spread from gardens into the wild.
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What is biodiversity?
Explanation from the Offwell Woodland and Wildlife trust site.