单语范例（未经PONS编辑处理）
英语
- It receives only very small amount of water from feeder rivers and the whole lake/wetland is a protected area, as it is considered a globally significant wetland ecosystem.en.wikipedia.org
- They said 20.5 percent of water samples taken from feeder rivers were "below grade five" last year, an increase of 11.4 percentage points in a year.www.dailymail.co.uk
- The troublesome algal growth results from high levels of nutrients from municipal sewers and in the runoff that flows directly into the lake and its feeder rivers.www.theglobeandmail.com
- Dam construction on the lake's feeder rivers has produced major changes to the ecological balance of the lake and wetlands.en.wikipedia.org
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