| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | pond maintenance | Nigeria | Ponds are important for aquaculture and maintaining them is a way to ensure a sustainable source of fish for consumption and trade. | 1 |
| 2 | wetlands | Nigeria | Wetlands are often areas for agricultural expansion or resource extraction, and may be subject to degradation or loss. | 1 |