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.
Sea otters eat a quarter of their body weight a day — much of it sea urchins. How this small predator became the kelp forest's most famous keystone species.
Dr. Mara Ellison ·
A biosecurity plan is your farm's immune system on paper. Components, zoning, SOPs and records that keep pests, pathogens and invasive hitchhikers off your lines.
Naomi Reyes ·
How kelp becomes cloth — alginate fibre spinning, seaweed-cellulose blends, and the very short list of things seaweed actually adds to textiles.
Naomi Reyes ·
A complete guide to foraging seaweed responsibly: harvest technique, legal basics, species ID, water quality, and the rules that keep the forest standing.
Sofia Andersson ·
Meet Aeolidia papillosa, the shag rug nudibranch: a cold-water sea slug that hunts anemones, steals their stinging cells and wears them as armour.
Dr. Mara Ellison ·
The starry flounder is the North Pacific's most river-loving flatfish, banded in orange and black. How to identify it, where it hunts, and why estuaries need it.
Dr. Theo Nakamura ·
A field note from three fog-bound months on California's north coast: working around the marine layer, and why the fog and the kelp are the same story.
Jack Callum ·
Kelp forests are the ocean's most photogenic architecture — and the trickiest to light. Camera settings, composition ideas and where to shoot canopy.
Sofia Andersson ·
Wakame is a beloved edible kelp in Japan and Korea — and one of the world's most widespread invasive seaweeds. Understand both sides of Undaria pinnatifida.
Dr. Mara Ellison ·
Five days on sea country with the Kudjela Rangers off Tasmania's east coast: eDNA sampling, seasonal calendars, and what genuine co-management looks like on the water.
Jack Callum ·
Why the ocean warms so slowly: heat capacity, thermal inertia and deep mixing hide enormous heat. What the ocean's long lag means for kelp forests and coasts.
Dr. Lena Fischer ·
Albania's Ionian shore is one of the Mediterranean's least-mapped algal coasts — karst reefs, Cystoseira canopies, and the single marine park of Karaburun-Sazan.
Dr. Theo Nakamura ·
Blended finance uses grants, concessional debt and guarantees to de-risk blue carbon projects. How the layers fit together, and what each year of delay costs.
Priya Raman ·
Every carbon credit lives or dies by its registry — the database that issues, tracks and retires it. Here's what registries do and why serial numbers matter.
Priya Raman ·
A single kelp blade hosts algae, bryozoans, hydroids and a whole mobile fauna. Meet the epiphytes — the living deck that perches on the forest's leaves.
Dr. Theo Nakamura ·
Inside a kelp holdfast census at Tinderbox: bagging, sieving and counting the hundreds of small animals that tell us whether a restored reef is alive.
Dr. Mara Ellison ·
After the February storm that took eleven seeded lines at Mendocino, the first formal belt transect told a calmer, stranger story. Notes from the dive.
Jack Callum ·
Growing food-grade kelp means treating the ocean site, the harvest boat and the drying shed as one hygiene chain. A practical guide to food safety for seaweed farmers.
Naomi Reyes ·
The giant sea bass is a 250-kilo shadows-and-kelp predator that fishermen nearly erased. Learn its biology, the crash and the slow comeback now unfolding.
Dr. Mara Ellison ·
In one generation, gillnets erased the giant sea bass from its kelp forests. Four decades of protection are bringing it back — one cautious shadow at a time.
Dr. Mara Ellison ·
A Coastal Atlas guide to Alaska's Kachemak Bay — nine-metre tides, famed seaweed diversity, otter-held kelp beds, kelp farms and how to visit from Homer.
Dr. Lena Fischer ·
Outplanting day is where a kelp season is won or lost. A step-by-step guide to moving seeded lines from nursery tanks to open water without losing the crop.
Naomi Reyes ·
Permitting a kelp farm takes years, not months. How to sequence the approvals, surveys and consultations on the long road to your first seeded line.
Naomi Reyes ·
How to choose a kelp farm boat: match vessel class to farm stage, run the real total-cost math, weigh new vs used vs leased, and sea-trial before you sign.
Naomi Reyes ·