Read the passage below carefully and match each statement on the left with its correct structural role in the text on the right.
Passage:
In the coral-reef waters off Zanzibar, local fishing communities traditionally faced declining octopus stocks due to year-round overharvesting. To reverse this ecological collapse, community-led management committees introduced temporary, rotational closures of key reef zones during peak breeding periods. During these three-month closures, octopus populations experience rapid growth in both individual body mass and overall numbers. When the reef zones reopen, fishers harvest significantly larger octopus, resulting in dramatically increased local economic returns. Furthermore, neighboring communities, observing these economic and biological gains, have voluntarily adopted similar rotational closure policies. Thus, community-based temporary closures serve as an effective, self-sustaining model for marine conservation across small-scale island fisheries.
- Community-based temporary closures serve as an effective model for marine conservation.Central thesis (Main Idea)
- Year-round overharvesting previously caused a severe decline in local octopus stocks.Supporting detail providing background context and problem statement
- Octopus populations grow rapidly in size and quantity during three-month reef closures.Supporting detail demonstrating the biological mechanism of success
- Neighboring coastal villages voluntarily adopted rotational closures after observing the gains.Supporting detail showing broader social and regional impact