Field Notes8 min read
Field Notes: Abalone Back in the Quadrats
Seven years after seeding began on Tasmania's Lumeriah Coast, juvenile blacklip abalone are turning up in the monitoring quadrats again. Here's why that matters.
Dr. Mara Ellison ·
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.
Farming12 min read
Feeding Abalone with Kelp: Diets, Delivery and Why the Pairing Works
Abalone are built to eat kelp, but feeding them well is a craft. Feed forms, rationing by size and temperature, delivery gear, and how kelp shapes growth, colour and health.
Naomi Reyes ·
Atlas7 min read
Abel Tasman & Golden Bay: Granite Arches, Scallop Sands and Northern South Island Kelp
Granite headlands, golden sand and golden kelp: New Zealand's smallest national park meets scallop country at the top of the South Island.
Tom Okafor ·
Atlas9 min read
The Abrolhos: Where Kelp and Coral Share the Same Reef
The Houtman Abrolhos hosts the Indian Ocean's southernmost coral reefs beside golden kelp beds — the live boundary where warm current meets temperate sea.
Dr. Mara Ellison ·
Explore9 min read
Accessible Ocean Days: Tidepools, Viewing Platforms and Adaptive Dive Programs
How disabled people, older visitors and carers can plan genuinely accessible kelp-coast days: beach mats, adaptive diving, low-tide planning and the right questions.
Tom Okafor ·
Science8 min read
Counting Fish With Sound: Acoustic Surveys Explained
How do you count fish you can't see? Acoustic surveys use sonar to turn echoes into biomass estimates. Here's how echosounders work — and their limits.
Dr. Mara Ellison ·
Blue Carbon7 min read
How Additionality Is Actually Tested: Barriers, Investment Analysis and Common Practice
Additionality sounds abstract until you read the tests: barrier analysis, investment analysis, common practice. Here's how verifiers run them — and where they bend.
Priya Raman ·
Kitchen9 min read
Agar-Agar Desserts: Mastering Kanten, the Seaweed Gelatin
Master agar-agar in desserts: exact ratios for soft and firm sets, kanten classics from coffee jelly to mizu yokan, and fixes for every common agar failure.
Sofia Andersson ·
Farming11 min read
Farming Alaria: A Practical Guide to Cultivating Winged Kelp
A working grow-out protocol for winged kelp (Alaria esculenta): hatchery timing, seeding, line management, harvest cuts and the failure modes that sink first crops.
Naomi Reyes ·
Atlas8 min read
The Alaska Peninsula: Where Two Seas Collide over Kelp
An 800-km volcanic chain between the North Pacific and the Bering Sea — passes, salmon rivers, cold kelp forests on one side, sand on the other.
Jack Callum ·
Atlas8 min read
Amakusa: Seaweed Craft on Kyushu's Island Coast
A seaweed guide to the Amakusa islands of Kumamoto: Ariake Sea nori farms, dolphin straits, hidden-Christian villages, and Japan's biggest tides.
Tom Okafor ·
Science10 min read
The AMOC Explained: The Atlantic's Overturning Engine
How the Atlantic's great overturning circulation works, what the observations say about its strength, and why its slowing matters for climate and coasts.
Dr. Lena Fischer ·
Atlas8 min read
Amsterdam Island: Kelp at the Bottom of the World
Giant kelp at the warm edge of its range, albatrosses that breed nowhere else, and a scientists-only island: a guide to the kelp coast of Amsterdam Island.
Dr. Mara Ellison ·
Atlas8 min read
Anacapa Island: Kelp Forests in the Shadow of the Mainland
Anacapa is the nearest of the Channel Islands — an hour from Ventura, a world away underwater. Its kelp beds, conservation wins and how to dive them.
Tom Okafor ·
Atlas9 min read
Anglesey: Kelp, Tides and Bird Islands off North Wales
Tidal races, seabird cliffs and reefs of tangle kelp — a guide to the Anglesey coast, Wales' great island corner of the Irish Sea, underwater and above.
Dr. Mara Ellison ·
Science10 min read
Annual or Perennial: How Kelp Life Strategies Shape the Forest
Some kelps live one season, others many years. What annual vs perennial life strategies mean for forest dynamics, storm recovery — and choosing restoration species.
Dr. Theo Nakamura ·
Atlas7 min read
The Antarctic Peninsula: Seaweed Forests at the Frozen Edge of the Kelp World
No true kelp grows south of the Antarctic polar front, yet the Peninsula guards seaweed forests of its own. A guide to the frozen edge.
Dr. Theo Nakamura ·
Careers9 min read
Aquatic Animal Veterinarian: The Vet Path Most People Never Hear About
How to become an aquatic or fish veterinarian: vet school route, residencies and certifications, aquaculture health work, employers and honest pay.
Dr. Mara Ellison ·
Kitchen10 min read
Arame and Hijiki: Japan's Black String Seaweeds — How to Cook Them Safely
A cook's guide to arame and hijiki: what they are, how to prep and simmer them, classic recipes, and an honest look at the hijiki arsenic debate.
Sofia Andersson ·
Kitchen10 min read
Cooking with Arame Beyond the Salad Bowl: Sautés, Rice and Braises
Arame is mild, sweet and cooks in minutes. Learn to sauté it with roots, simmer it with tofu and fold it into rice — plus soaking and seasoning rules.
Sofia Andersson ·
Science11 min read
Argo Floats: The Ocean's Global Thermometer Network
Nearly 4,000 drifting robots take the ocean's temperature from within. How Argo profiling floats work, what they measure, and why the data is free.
Dr. Lena Fischer ·
Atlas8 min read
Arraial do Cabo: Brazil's Cold-Water Oasis
A region guide to Arraial do Cabo — the wind-driven upwelling that chills Brazil's warm coast, its kelp-like Sargassum beds, rich reefs and dive-season rhythms.
Dr. Lena Fischer ·
Farming8 min read
Farming Asparagopsis: The Methane-Fighting Seaweed Everyone Wants
Asparagopsis fed to cattle slashes methane emissions, and farmers want to grow it. The biology, the tank systems, the hard problems and what to know before trying.
Dr. Theo Nakamura ·
Kitchen10 min read
Atlantic Seaweed Cooking: From Welsh Laverbread to Irish Carrageen
A cook's tour of Atlantic Europe's seaweed traditions — laverbread, dulse snacks, carrageen puddings, Brittany's tables — with home-cookable versions of each.
Sofia Andersson ·