
The Digital MRV Stack: Sensors, Satellites and eDNA for Blue Carbon
How satellites, drones, in-water loggers and eDNA sampling combine into a digital MRV stack that makes ocean carbon projects measurable, auditable and affordable.
Priya Raman ·
The Tidewright Journal
Encyclopedia entries, coastal atlas guides, science explainers, farming know-how and recipes — written by Tidewright’s scientists, engineers, chefs and field crews, and open to everyone.

How satellites, drones, in-water loggers and eDNA sampling combine into a digital MRV stack that makes ocean carbon projects measurable, auditable and affordable.
Priya Raman ·
Elk kelp grows deep, in clear water, with a single antlered float the size of a grapefruit. The deep edge kelp of the Channel Islands and Baja — biology and status.
Dr. Theo Nakamura ·
For one week at Tinderbox we counted the same kelp canopy twice — once by drone, once by diver. Here's what each method caught, missed and taught us.
Jack Callum ·
Wintering over at Tidewright's Lofoten hatchery means seedstock care in the polar night: light discipline, cold rooms, slow work and a culture lab that never sleeps.
Dr. Theo Nakamura ·
Foveaux Strait runs shallow and fast between the South Island and Rakiura — a coastal atlas guide to its bull kelp reefs, Bluff oysters, great whites and shipwreck coast.
Tom Okafor ·
How and why hatcheries freeze kelp gametophyte cultures in liquid nitrogen — the germplasm-bank logic that underpins seed security and climate resilience.
Dr. Elias Brandt ·
Meet the harbour porpoise, the small, shy cetacean of northern coasts: how to identify it, where it lives, what it eats, and why gillnets haunt it.
Dr. Theo Nakamura ·

A Tidewright field note from our Triabunna hatchery: when a freak hailstorm killed the power mid-season, the crew had eleven hours to save a year of kelp seedstock.
Jack Callum ·
The Kattegat stacks brackish Baltic water over Skagerrak salt — a shallow sea where kelp forests grow, thin and vanish along a European salinity gradient.
Dr. Lena Fischer ·
Dunedin's doorstep grows forests of giant kelp and southern bull kelp, patrolled by sea lions and hoiho penguins. A guide to Otago's cold southern reefs.
Tom Okafor ·
Kina is Aotearoa's endemic sea urchin — treasured kaimoana, a kelp grazer, and the engineer behind New Zealand's barren reefs. Here is its biology and its story.
Dr. Mara Ellison ·

Kombu is the kelp behind dashi and the backbone of the world's seaweed farms. Learn its biology, life cycle, Hokkaido roots and future in a warming sea.
Dr. Theo Nakamura ·
Marine heatwaves are weeks of anomalously hot ocean that can deforest entire coastlines. Here's the science behind them and what restoration can do.
Dr. Lena Fischer ·
Marine policy careers put lawyers, negotiators and analysts at the table where the ocean's future is decided. A map of the field and the roads in.
Dr. Mara Ellison ·

Carbon credits count tonnes; nature credits count living complexity. How the two markets differ, overlap and collide — and how honest projects keep the ledgers straight.
Dr. Mara Ellison ·
The northern clingfish grips rough rock with a suction disc no engineered cup can match. Meet the small fish that surfs storm surge under stones and holdfasts.
Dr. Elias Brandt ·

A kelp mignonette recipe for oysters — kelp-infused vinegar, shallot and pepper — with variations, oyster sourcing notes and make-ahead tips.
Sofia Andersson ·
Urticina crassicornis, the painted or Christmas anemone of North Pacific kelp reefs: identification, diet, reproduction and its place in the cold-water forest.
Dr. Theo Nakamura ·
Pembrokeshire's jagged peninsula holds Britain's only full marine conservation zone, tide-swept kelp beds and island seas rich with birds and seals. A coastal atlas guide.
Dr. Mara Ellison ·
Península Valdés pairs Patagonia's most famous whale nursery with giant kelp beds at the edge of the steppe — plus one of the kelp world's sharpest invasion stories.
Dr. Mara Ellison ·
Portrait of the Port Jackson shark: Australia's gentle, crested egg-layer that crunches sea urchins and returns to the same reef year after year.
Dr. Theo Nakamura ·
The purple sea urchin turned patches of California kelp forest into barrens. Learn its biology, its hidden hunger, and why it is both villain and victim.
Dr. Mara Ellison ·
The red sea urchin can live a century, grows to dinner-plate size, and feeds the uni trade. Meet the kelp forest's most venerable grazer — and its fishery.
Dr. Theo Nakamura ·

A Coastal Atlas guide to Seward's Resurrection Bay — fjord walls, deep dock water, kelp fringes, wildlife and Alaska's most accessible diving.
Tom Okafor ·