Discussion
Match each adaptation concept with what it means.
List I
A. Adaptation pathway
B. Trigger point
C. Lock-in
D. No regrets measure
List II
1. a choice that forecloses later alternatives
2. a sequence of decisions with review points
3. worthwhile whatever the future turns out to be
4. a threshold prompting the next decision
Answer: C
Correct answer: A-2, B-4, C-1, D-3
The four concepts belong to adaptive planning under uncertainty. A pathway is a sequence of decisions with review points rather than one commitment made now. A trigger point is the observed threshold - a rate of erosion, a sea level, a defence condition - that prompts the next decision. Lock-in is a choice that forecloses later alternatives. A no regrets measure is one worth taking whatever the future proves to be.
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