Place
- Freshwater Creek (Calif.)10
- Hungary10
- Iceland10
- Israel10
- Jackson Demonstration State Forest (Calif.)10
- Lake County (Calif.)10
- Liberia10
- Machias Bay (Me.)10
- Madagascar10
- Malawi10
- Mauritania10
- Mexico City (Mexico)10
- Narragansett Bay (R.I.)10
- Nassau County, New York, United States10
- Niverville, Canada10
- Polar regions10
- Tuva10
- Angola9
- Argentina9
- Beijing (China)9