The Merrimack Watershed – RiverMerrimack is an advocacy and educational project serving to protect the ecology of the Merrimack Watershed.

Tidal shoreline, Newburyport, Massachusetts.

Salmon River, Dunstable, Massachusetts

Endangered freshwater mussels

Stillwater River, Sterling, Massachusetts

Joppa Flats, Newburyport, Massachusetts

Strippah fishing, Eagle Island, Newburyport, Massachusetts

Scarlet Brook, Tyngsborough, Massachusetts

Pawtucket Falls and dam, Lowell, Massachusetts

Shad fisherman, Andover, Massachusetts

Wamesit Falls and dam, Concord River, Lowell, Massachusetts

Carp fisherman, Stony Brook, Chelmsford, Massachusetts

Amoskeag Falls and dam, Manchester, New Hampshire

Sewage discharge, 1/28/2016, Hunts Falls, Lowell, Massachusetts

Wolf Swamp, headwaters, Stony Brook, Boxborough, Massachusetts

Mt. Watatic, Souhegan River, Ashby, Massachusetts

Freshwater tidal wetland, West Newbury, Massachusetts

River Birch, Shawsheen River floodplain, Lowell, Massachusetts

Silver Maple, Merrimack River, Tyngsborough, Massachusetts

Mountains of the headwaters.

Anderson map of the lower Merrimack and estuary, 1831

Sea lamprey, post-spawning, West Newbury, Massachusetts

Essex Dam, Lawrence, Massachusetts

Volunteers rescuing stranded mussels after dam removal.

Riparian swallow nests in erosional bank, Chelmsford, Massachusetts

Salt hay (Spartina patens) on the high salt marsh of the Merrimack River Estuary in Newburyport, Massachusetts.

The valley nourishes the river, the river nourishes the estuary and the coastal ecology.

27 Feb 2017

Vernal Pools Active – 2/25/2017!

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With the coming of this unusual warm weather, users on the VernalPool Yahoo Group have been reporting that pools in Rhode Island, Massachusetts and New Hampshire are activating — sightings of Wood Frogs,... READ MORE