2.2 Ecosystem Services
Ecosystem Values
^^Intrinsic Value:^^ ecosystems have their own value independent from the needs and desires of humans
- Moral obligation to protect
- Often related to religion and/or philosophy
^^Instrumental Value:^^ has worth in terms of goods and services
Provisioning—goods that humans use directly
→ lumber, food crops, rubber, fur, medicinal plants (Taxol)Regulating services
→ 4 gigatons of carbon removed by phytoplankton and plants
→ nutrient and water cyclesSupport systems
→ pollination, water filtration, natural pest controlCultural services/Aesthetic value (beauty)
→ Tourism, real estate, recreation
A healthy ecosystem has…
^^Resilience^^—need to maintain genetic diversity so can have varieties to address needs of the future