11.7 Reasons Ofr Maintaining Biodiveristy

Question 1

Aesthetic reasons for maintaining biodiversity

Answer 1

• enriches our lives
• provides inspiration to people
• Can help with stress and injury

Question 2

Economic reasons to maintain biodiversity - soil erosion and desertification

Answer 2

• solid erosion and desertification may occur as a result of deforestation which reduces country’s ability to grow crops and feed its people leading to resource and economic dependence on other nations

Question 3

Economic reasons to maintain biodiversity - continuous monoculture results in soil depletion

Answer 3

Reduction in diversity of soil nutrients
Happens because the crop takes same nutrients year after year and then harvested so not left to be recycled
Soil depletion makes ecosystem more fragile and crop it can support become weaker increasing vulnerability
Leads farmers to be dependant on chemicals to maintain productivity