Low tide today · 05:12 Cove Three walk in progress · Arjun & Mei-Lin · binder #17 Autumn hours in effect · Schoolroom weekends now filled through September

Estuary & Foreshore Learning Trust Volunteers

Tending the tidal edge, one low tide at a time.

EFLTV is a small community of trained neighbors — fishers, retired teachers, students, boatbuilders, gardeners — keeping watch over the marshes, mudflats, and tidepools that raised us.

Our work

Careful hands at the water's edge.

For nineteen seasons, volunteers trained through EFLTV have walked the same transects at slack tide, counting common periwinkles in the Bream Frame, mapping the eelgrass bed off the outer point, logging the quiet arrival and departure of semipalmated plovers along the sandbar. The work is unhurried. It is also, we have learned, how a coastline gets remembered.

We are not scientists by trade. Most of us came to this because a grandparent showed us a horseshoe crab, or because the eelgrass off Willet's Cove went silent one summer and we wanted to understand why. The training takes a season. The friendships take longer.

— written at the harbor table, September

Three hands, three seasons

How the trust spends its year

Tidepool Watch

Spring through early autumn, paired volunteers survey six rocky-shore sites at monthly low tides, recording species presence, water temperature at three pools, and the first appearance of each season's newcomers.

Marsh Transects

Quarterly walks along twelve fixed lines in the salt marsh. Volunteers note spartina height, fiddler-crab burrow density in fixed quadrats, and the creeping inland edge of open water where once there was grass.

Shorebird Log

From April through October, dawn observers keep a plain notebook: what bird, what sandbar, what tide. The accumulated notes have become a quiet record of who still nests here and who no longer does.

"We learned that the marsh does not need us to speak for it. It needs us to show up, on the right day, with a pencil that works."

— from the 2019 volunteer handbook

Nineteen seasons on

A record kept by neighbors.

Our data lives in three ring binders in the lending library, one flash drive at the harbormaster's office, and in the yearly summary we mail to every household along the foreshore. It isn't fancy. It is ours, and it is honest, and year over year it is the clearest picture anyone has of how the estuary is faring.

Read recent field notes →

What we look for

A small field guide, at a glance

Eelgrass
Zostera marina — the quiet nursery of the cove.
Green crab
Carcinus maenas — abundant, watched, rarely welcome.
Semipalmated plover
Charadrius semipalmatus — the dawn-shift regular.
Moon snail
Euspira heros — look for the sand collar, not the snail.

The full species log →

Joining the trust

New volunteers are welcomed each spring through introductions from current members. If a neighbor has told you about us, we'd be glad to hear from you through them. We keep the cohort small on purpose — a dozen new hands a year is about right for the coves we watch.

How to reach us