Blue Carbon10 min read
Selling Tomorrow's Tide: Offtake Agreements in Blue Carbon
How developers use forward offtake agreements to turn restoration plans into bankable projects — structures, coverage discipline and the traps.
Priya Raman ·
The Tidewright Journal
Everything we know about growing back the ocean.
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.
Explore9 min read
Open-Water Swimming on Kelp Coasts: Reading Water, Choosing Beaches and Swimming with the Forest
A swimmer's guide to kelp-country coastlines — how kelp reads the water for you, which beaches to pick, how to cross a bed calmly, and cold-water rules.
Tom Okafor ·
Encyclopedia8 min read
Pacific Electric Ray: Fifty Volts in the Kelp Forest's Sand Channels
Tetronarce californica, the Pacific electric ray, carries up to ~50 volts in its wings. Biology, the ambush, and what to do if you meet one on a night dive.
Dr. Mara Ellison ·
Atlas9 min read
Point Reyes: Wind, Upwelling and Bull Kelp at the Edge of the Continent
A Coastal Atlas field guide to Point Reyes' headland kelp beds — cape oceanography, the annual bull kelp cycle, and the best ways to see it.
Tom Okafor ·
Explore7 min read
Reading the Swell Forecast: A Diver's Plain-English Guide
Swell height, period and direction decide whether your dive happens. A plain-English guide to reading wave forecasts like a diver, not a surfer.
Tom Okafor ·
Farming9 min read
Reading the Water: Temperature, Salinity and Nitrate for Seaweed Farmers
How seaweed farmers should read temperature, salinity and nitrate: practical sensor routines, thermocline effects and simple decision rules for kelp growth.
Naomi Reyes ·
Encyclopedia8 min read
East Pacific Red Octopus: The Kelp Forest's Small Strategist
East Pacific red octopus Octopus rubescens: den middens, colour-flash camouflage, egg brooding and night hunting in California's kelp forests.
Dr. Theo Nakamura ·
Encyclopedia6 min read
Rockweed Gunnel: The Fish That Turns Into Rockweed
The rockweed gunnel is a slender Pacific shore fish so perfectly matched to seaweed butter and olive tones that it looks like the rockweed itself.
Dr. Theo Nakamura ·
Blue Carbon10 min read
Is Kelp Blue Carbon? The Honest Debate About Rocky Reefs
Kelp forests don't bury carbon in their own sediment the way mangroves do. The donor-versus-recipient debate, the export science, and what kelp can claim.
Priya Raman ·
Kitchen9 min read
Seaweed for Campers: The Lightest Flavour in the Pack
Dried seaweed is the best flavour-per-gram ingredient in a rucksack. How to pack it, rehydrate it in the field and turn it into real trail meals.
Sofia Andersson ·
Kitchen7 min read
Seaweed and Gut Health: What the Fibre Research Actually Shows
Seaweed fibres — alginate, laminarin, fucoidan — reach your gut intact and feed its microbes. What the research actually supports, and how to eat for it.
Sofia Andersson ·
Farming8 min read
Seeding Density on Kelp Lines: Getting Spacing Right From Day One
How many spores per metre of line, how thickly to seed twine, and when to thin — why seeding density quietly decides your kelp yield months before harvest.
Dr. Elias Brandt ·
Encyclopedia7 min read
Spotted Kelpfish (Gibbonsia elegans): A Master of Disguise in the Canopy
Red in red algae, green in surfgrass, spotted all over — the spotted kelpfish rewrites its own wardrobe to match the kelp it hides in. How to know one.
Dr. Theo Nakamura ·
Atlas9 min read
The Strait of Magellan: Kelp at the End of the World
Inside the subantarctic kelp forests of the Strait of Magellan and Tierra del Fuego: cold clear water, drifting kelp highways, and science at the southern frontier.
Dr. Elias Brandt ·
Field Notes8 min read
The Site We Left Alone: Why We Don't Seed Every Reef
A Tasmania survey block scored high on every restoration metric and we still walked away. On suitable habitat, restraint, and the reefs that don't need us.
Jack Callum ·
Field Notes9 min read
The Storm That Ate Line Twelve: Salvage, Lessons and a Better Anchor at Mendocino
Of eleven lines the February storm took at Mendocino, Line Twelve earned its own note: a two-day salvage, a pinnacle that adopted it, and the anchor that came next.
Jack Callum ·
Encyclopedia6 min read
Umbrella Crab: Kelp's Shape-Shifting Hermit of the Canopy
The umbrella crab hides its legs beneath a flared, kelp-coloured carapace, drifting undetected across the holdfasts and rocky floors of Pacific kelp forests.
Dr. Mara Ellison ·
Kitchen8 min read
Vegan Dashi: Kombu, Shiitake and the Cleanest Broth in the Kitchen
Vegan dashi from kombu and dried shiitake delivers deep, clean umami without fish. Ratios, soaking times, steeping temperatures and how to use it everywhere.
Sofia Andersson ·
Encyclopedia7 min read
Weedy Seadragon (Phyllopteryx taeniolatus): Species Profile
Australia's weedy seadragon drifts through kelp like fallen seaweed come alive. Discover its camouflage, male egg-brooding, range and conservation.
Dr. Theo Nakamura ·
Field Notes8 min read
When the Canopy Came Back in Summer
A field note from the Mendocino coast: the morning sonar and diver eyes confirmed bull kelp canopy over our first seeded corridor, and what that number means.
Jack Callum ·
Science8 min read
Ocean Acidification and Shellfish: The Hatchery Crisis That Started the Alarm
When Pacific oyster larvae began dying in Northwest hatcheries in the mid-2000s, ocean acidification stepped out of the textbook. Here's what happened.
Dr. Lena Fischer ·
Atlas9 min read
The Aleutian Islands: The Wildest Kelp Frontier in the Pacific
A Coastal Atlas field guide to the Aleutians — the Pacific's most remote great kelp forest, its weather, its war, and how to get there.
Jack Callum ·
Atlas10 min read
The Azores: Deep Kelp Gardens on Mid-Atlantic Volcanoes
Nine volcanic islands mid-ocean grow deep gardens of golden Laminaria ochroleuca kelp. A guide to the Azores' forests, crossroads fauna and diving.
Tom Okafor ·
Encyclopedia8 min read
Blue-Banded Goby: One Inch of Neon Nerve on the Kelp Forest Floor
A diver's deep dive into the blue-banded goby's metre-scale world — colonies, ledges, nests and predators, and how to watch Lythrypnus dalli up close.
Tom Okafor ·