noun
- geographical areas defined by natural ecological boundaries rather than political ones, characterized by similar climate, landforms, and native species
Usage: ecology; environmental science
Examples
- The Pacific Northwest bioregion includes parts of several states and provinces.
- Scientists study bioregions to understand natural ecosystem boundaries.
- Conservation efforts work best when they follow bioregions rather than state lines.
- The Great Plains bioregion extends across multiple political boundaries.
- Local communities are learning to live sustainably within their bioregions.
- Bioregions help us understand how ecosystems function as integrated units.