ecosystem services

Question 1

4 ecosystem services

Answer 1

provisional, cultural, support, regulating

Question 2

what are ecosystem services

Answer 2

direct and indirect contributions of ecosystems to human well-being and quality of life

Question 3

what are provisioning services

Answer 3

goods or products produced or provided by ecosystems

Question 4

what are regulating services

Answer 4

benefits from the regulation of ecosystem services (pest regulation, climate regulation, pollination)

Question 5

what are cultural services

Answer 5

no material benefits from ecosystems (spiritual, aesthetic, educational, recreational)

Question 6

what are supporting services

Answer 6

factors necessary for producing ecosystem services (hydrological cycle, soil formation, nutrient cycling, primary production)

Question 7

value of coral reefs to an ecosystem

Answer 7

fishing: provides 25% of total commercial fish catch
tourism: generates great revenue which may be significant for less economically developed countries (over 1 billion a year at great barrier reef)
coastal protection: break power of waves during storms, preventing erosion, flooding, loss of property
medicine
intrinsic value: woven into cultural traditions
displays: used for decorative objects, aquarium trade

Question 8

threats to coral reefs

Answer 8

overfishing, tourism, sedimentation, coastal development, pollution, coral mining