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7.3 Biodiversity and the Effect of Human Interaction on Ecosystems -…
7.3 Biodiversity and the Effect of Human Interaction on Ecosystems
Land use
Land used up by growing infrastructure: homes, farms, landfills, mining and quarrying
Consequently less space for other animal/plant habitats
Habitats destroyed for resource harvesting: quarries, deforestation, peat bogs for compost
Burning/decay of peat releases a large volume of CO2
Deforestation
Make space for crops and animals
Major cause of habitat destruction
Leads to soil erosion, extinction, flash flooding and release of greenhouse gases
Global warming
Rising temperatures lead to extinction of species that cannot adapt e.g. coral reef
Leads to more natural disasters
Caused by increased release of greenhouse gases, such as CO2 and methane
Waste management
Growing population leads to more waste and a higher demand for raw materials
Must manage pollution of air, water and land
Biodiversity
Large biodiversity leads to a more stable ecosystem
Number of organisms and variety of species in an area, as well as the diversity of their genes
Maintaining biodiversity
Habitat protection
Breeding programmes
Reintroduction of species
Reduction of deforestation and replanting
Recycling waste