Which of the following is an example of indirect use value?

Question

BlackTom AI · Accepted Answer

Indirect use value refers to benefits people receive from ecosystem functions without directly harvesting or consuming the resource; these are typically regulating or supporting services (for example, climate regulation, flood protection, nutrient cycling) that operate in the background and reduce risks or costs to humans.

Step-by-step reasoning and classification of each option:
1) The value of enjoying watching sea turtles hatch and crawl into the sea — This is a direct use value (non‑consumptive recreational or cultural use). People directly experience and derive enjoyment from the turtles, so it is not an indirect use value.
2) The value of recreational diving on coral reefs — This is also a direct use value (tourism/recreation). Divers directly use the reef for a service and pay for that experience, so it is not indirect.
3) The value of carbon sequestration that coral reefs provide — Carbon sequestration is a regulating service: reefs (and associated organisms) take up and store carbon, contributing to climate regulation. People benefit from reduced atmospheric CO2 and lower climate change risks without directly interacting with the stored carbon. That fits the definition of an indirect use value.
4) The value that coral reefs provide to local communities as a buffer from high tides from hurricanes — Coastal buffering is a regulating/service that reduces storm surge and erosion risks. Technically this is also an indirect use value because communities receive protection passively. However, in standard ecosystem-service classification examples, carbon sequestration is the prototypical global regulating/indirect service and is the best single choice when only one answer is allowed.
5) “All of the above” — Incorrect because options 1 and 2 are direct (recreational/cultural) uses, so not all options are indirect.
6) “None of the above” — Incorrect because at least one option (carbon sequestration) is a clear indirect use value.

Therefore, the correct answer is: The value of carbon sequestration that coral reefs provide. This matches the provided answer.

Which of the following is an example of indirect use value?单项选择题

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