| The Pearl River watershed includes an area containing one-eighth of mainland China's population. |
| The city council voted unanimously in July to make the entire watershed an ecological reserve. |
| For the last week or more, Taiwan has been in the throes of the early stages of a major, perhaps a watershed, political scandal. |
| The site encompasses an entire watershed and thus provides a unique educational opportunity. |
| Besides being a watershed, a hill area impacts a much larger area in the plains below. |
| During the last 10 years he has moved on to restoring the entire watershed. |
