A person dives in a coral reef to enjoy viewing and photographing the coral and fish. This is an example of which component of total economic value?

Question

BlackTom AI · Accepted Answer

Viewing and photographing coral and fish while diving is a non‑extractive, recreational use of the reef’s goods and services, which places it squarely in the direct use value category.

1. Relevant knowledge points and concepts
- Total Economic Value (TEV) divides value into use and non‑use components. Use values include direct and indirect uses; non‑use values include existence and bequest/option values.
- Direct use value: benefits from actual, firsthand use of a resource—this includes both consumptive uses (fishing, timber) and non‑consumptive recreational uses (snorkeling, diving, wildlife viewing).
- Indirect use value: benefits from ecosystem services that support human welfare without direct interaction (coastal protection, water filtration, carbon sequestration).
- Existence value: the value people place on knowing a resource exists even if they never use it.
- Option value: the value of preserving the resource for potential future use.

2. Step‑by‑step reasoning
- The diver is actively engaging with the reef to experience and photograph it. This is a direct encounter yielding immediate benefits (enjoyment, photographic output, possibly spending on tourism).
- Because the activity involves direct consumption of an experience rather than relying on ecosystem services that operate in the background, it is a use value, not an indirect service.
- It is not an existence value because the diver is using the reef, not merely valuing its continued existence without use.
- It is not an option value because the diver is not preserving the reef primarily for uncertain future use; they are using it now.

3. Intermediate logical steps
- Identify action: diving + photography = active recreation.
- Classify action: active recreation = direct, non‑consumptive use.
- Match to TEV component: direct use value.

4. Why the correct answer is correct
Recreational diving represents an immediate, firsthand benefit derived from the reef, which is the defining feature of direct use value.

5. Why other options are incorrect (brief)
- Indirect use value: refers to background ecosystem services (e.g., shoreline protection)—not direct recreation.
- Existence value: applies when people value a resource without using it.
- Option value: relates to preserving for potential future use rather than current enjoyment.

Conclusion: The correct component is Direct use value, which matches the provided answer.

A person dives in a coral reef to enjoy viewing and photographing the coral and fish. This is an example of which component of total economic value?单项选择题

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