River Merrimack

River Merrimack

Protecting the beauty and ecology of the Merrimack watershed.

  • The Watershed
    • The Lands and Waters
      • The Watershed
        • Geology
        • The Ecoregions
        • Land Use
      • The Tributaries
    • Wildlife and Ecology
      • Ecology of the Watershed
        • River Ecology
        • Habitats and Natural Communities
          • Habitats
            • Riverbanks and the Riparian Zone
            • Big Wood
        • Floodplain Forests
        • The Estuary
      • Wildlife
        • Fish
        • Birds
        • The Bugs That Feed the Fish and Birds
        • Other Wildlife
    • People and the River
      • Recreation
        • Kayaking and Canoeing
      • Human Impacts to the Streams and Rivers.
        • Dams
        • The Problem of Sewage and Stormwater
  • Restore the Merrimack
  • News & Articles
  • About RiverMerrimack
    • About Peter Severance
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