Ecosystems - Biodiversity

Biodiversity is the variety of life found on the planet.

Value:

• Loss of biodiversity can make ecosystems less stable and vulnerable.
• Plants remove carbon dioxide and provide oxygen.
• Plant communities are essential in the hydrological cycle. Transpiration recycles water back into the atmosphere. Also act as interceptors and aid infiltration.
• Healthy forests are a source of fuelwood.
• Food supply - 90% of the worlds calorie intake comes from 30 plants.
• Used for medicines.
• Can reduce floods.
• Supports traditional, old communities.
• Leisure use.

Threats:

• Habitat destruction
• Global climate change
• Disease
• Invasive species
• Over-exploitation
• Pollution
• Habitat fragmentation