How it started
In the spring of 2006, a retired marine-science teacher named Hollis Bream walked the low tide at Willet's Cove with three former students and noticed that an eelgrass bed they had all grown up swimming above had gone. Not thinning. Gone. They agreed, over coffee afterward at a kitchen table, that they would walk that cove every month for a year and write down what they saw, so that next time something disappeared they would at least know when.
The year turned into two, and two into a handbook, and the handbook into a small, unhurried community group. We formalized as the Estuary & Foreshore Learning Trust Volunteers in 2009. We have never had a paid staff member. We have, at last count, 47 active walkers, twelve mentors, four program coordinators, and one obstinate photocopier in the harbormaster's back room.
The four originals — Hollis, her former students Arjun Pell and Wren Calloway, and a retired fisher named Lou Mackett — walked every single low tide at Willet's that first year, including the Christmas-morning one. There is a photograph. Everyone looks cold.
What we believe, working
Show up on the right day.
A site visited at the wrong tide is almost worse than one not visited at all. We keep a shared tide calendar and plan a year ahead. The rule of thumb: walk within ninety minutes of predicted low water, or come back tomorrow.
Write it the same way every time.
The same columns, the same units, the same order. Centimeters not inches. Water temperature at the third pool, always. Dull notebooks age into useful records.
Train patiently, in pairs.
Every new volunteer spends a full season walking with a veteran before logging solo. This is slower than a workshop and better than one. The Saturday-six curriculum has barely changed since 2011.
Share what we find, plainly.
Our annual summary is posted at the harbor bulletin and mailed to foreshore households. No jargon unless we define it on the page. A neighbor who isn't a biologist should be able to read it and understand what changed.
Leave the site the way we found it.
No flagging tape left behind. No rocks overturned without being returned. A tidepool is someone's kitchen. We try to act like polite guests.
Record what we don't know.
If a volunteer can't name something, the correct entry is "unknown — see sketch." We have whole pages of unknowns from 2008 that later turned out to be juvenile rock gunnel. The humility is the method.
Some of the people
A small sample. There are many more.
Hollis Bream
Founding walker
Retired teacher. Keeps the master tide calendar in a red binder. Can name every crab at a glance and most of the teenagers who ever took her class. Drinks her tea from a tin mug that has a story attached.
Arjun Pell
Transect coordinator
Boatbuilder by day. Runs the quarterly marsh walks and has an alarming memory for where each spartina flag was last hammered in. Designed our quadrat frames; they are heavier than they need to be, on purpose.
Mei-Lin Ostrow
Shorebird log keeper
Came to the trust at sixteen on a school project and never quite left. Now edits the annual summary and teaches the dawn shift. Known to bring extra thermoses for volunteers who forgot theirs, which is most of them.
Wren Calloway
Schoolroom coordinator
One of the four originals. Teaches second grade at the regional school and runs the May and September class walks. Keeps a field guide held together with bookbinder's tape and the optimism of long practice.
Tomás Ridley
Data custodian
Software engineer, retired early, now transcribes the Shorebird Log into the shared spreadsheet every November. Owns the flash drive at the harbormaster's office. Insists on backing it up to a second flash drive at home. This is called prudence.
Lou Mackett
Founding walker (emeritus)
Retired fisher. Walks Transect Line Three every quarter — has since 2007 — and says he'll stop when the line does. Keeps a notebook so weather-beaten it has earned its own plastic sleeve.
Where we watch
The coves we walk all lie along a single tidal reach, between the outer harbor mouth and the inner marsh behind the barrier beach. Six rocky-shore sites for Tidepool Watch: Willet's Cove, Cove Two (unnamed, informally "the middle"), Cove Three, Knucklebone Point, Spider Ledge, and the outer point. Twelve marsh transect lines, numbered one through twelve east-to-west. Three sandbar sites for the Shorebird Log, at the mouth of the estuary where the current braids.
We don't publish precise coordinates. If a neighbor wants to know where a line is, they walk it with the coordinator who runs it. This is partly custodial and partly because a flag in the marsh isn't much use once it's a landmark.