Biodiversity threats and threaterned areas 2.5 / 5 based on 5 ratings ? GeographyEcosystems and biodiversity under threatA2/A-levelEdexcel Created by: Beckie SculforCreated on: 24-04-13 21:35 What is a ecological footprint? the measure of human impact on the planet, including how we use resources 1 of 10 What are terrestrial eco-regions? large areas of land containing geographically distinct assemblies of species, natural communities and habitats 2 of 10 what are the 5 biggest threats to biodiversity? habitat loss, invasive species, pollution, population and overharvesting 3 of 10 What ecosystem is most threatened by global factors? coastal water 4 of 10 The Stern Review on the economics of climate change (2005) argues that climate change is likely to occur too rapidly... ...for many species to adapt. 5 of 10 A 3 degree increase in the global temperature could result in 20-50% of land species facing extinction 6 of 10 How is controlled fire used? it is used as a management tool on grazing land 7 of 10 Since when has human intervention been a threat to biodiversity? stone age 8 of 10 Around 60% of deforestation in the Amazon is due to... ...the building for more cattle ranches 9 of 10 What group of species have been most affected by overexploitation/over harvesting? fish 10 of 10
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