Kitchen7 min read
The Seaweed Pantry: A Starter Kit for Coastal Cooking
New to cooking with seaweed? Build a five-staple seaweed pantry — kombu, wakame, nori, dulse and kelp powder — with storage, budget and beginner recipes.
Sofia Andersson ·
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.
Atlas8 min read
Shikoku's Pacific Coast: Kelp at the Edge of the Kuroshio
Explore Shikoku's Pacific coast, where the warm Kuroshio Current grazes the southern limit of Japan's kelp — and where the word 'isoyake' was born.
Dr. Lena Fischer ·
Encyclopedia8 min read
Spiny Sun Star: A Cold-Water Many-Armed Opportunist
The spiny sun star is a many-armed predator of cold reefs in both northern oceans. How to identify Crossaster papposus, what it eats, and why it matters.
Dr. Mara Ellison ·
Encyclopedia7 min read
Woolly Sculpin (Clinocottus analis): Master of the California Tidepool
Meet the woolly sculpin, the little California tidepool fish that survives heat, rain-fresh water and hours in the air between tides.
Dr. Theo Nakamura ·
Encyclopedia8 min read
California Sea Hare (Aplysia californica): Species Profile
Meet the California sea hare, the kelp forest's purple-inking giant sea slug: what it eats, why it inks, and how it helped decode memory.
Dr. Theo Nakamura ·
Blue Carbon6 min read
Insetting vs Offsetting: Where Coast-Dependent Businesses Should Invest
Insetting and offsetting both have a place in a coastal company's climate budget. A practical framework for deciding where each investment dollar works hardest.
Priya Raman ·
Science7 min read
Why Corals and Kelp Rarely Mix: The Biogeography of the Two Forests
Coral reefs and kelp forests are the ocean's two great forests, but they almost never share a shore. Temperature, light and a line drawn by chemistry decide who rules.
Dr. Lena Fischer ·
Encyclopedia9 min read
Crescent Gunnel (Pholis laeta): Color at the Waterline
Meet the crescent gunnel — the crescent-marked, rock-flipping eel-lookalike of Pacific tidepools, and why its colours make it a barometer of the weed it lives in.
Dr. Theo Nakamura ·
Field Notes8 min read
Field Notes: The Long Swim — Monitoring a Forest on Fin Power
Why Tidewright's sharpest fish census is a diver swimming 400 metres at dawn on fin power alone. A field note on roving-diver surveys off Tasmania.
Dr. Mara Ellison ·
Careers8 min read
Hydrographic Surveyor Careers: Mapping the Seafloor for a Living
Hydrographic surveyors map the seafloor for navies, ports, wind farms and science. Here's the training, certification and day-to-day reality of the job.
Dr. Lena Fischer ·
Science9 min read
Holdfast Biomechanics: The Anchor Engineering of a Storm-Proof Seaweed
A kelp holdfast holds tonnes of drag through a storm with no glue and no roots. The biomechanics of nature's toughest anchor, and what engineers learn.
Dr. Mara Ellison ·
Science12 min read
Measuring Kelp Biomass: From Dive Tapes to Tonnes
How scientists turn diver counts, satellite pixels and allometric equations into honest kelp biomass estimates — and why every method carries a bias.
Dr. Mara Ellison ·
Field Notes9 min read
Field Notes: Midnight Satellite Pass — Verification Night at Canopy Ledger
Once a season, Tidewright's canopy maps get their night of judgment. Field ops lead Jack Callum logs a verification night inside the Canopy Ledger.
Jack Callum ·
Blue Carbon11 min read
Ocean Carbon Dioxide Removal: The Emerging Landscape Beyond Blue Carbon
Beyond mangroves and kelp there is a fast-growing field of ocean carbon dioxide removal. Here is a clear map of the methods, their evidence, and their risks.
Priya Raman ·
Encyclopedia8 min read
Señorita (Oxyjulis californica): The Kelp Forest Cleaner Wrasse
The señorita is a small California wrasse that runs cleaning stations, swarms in glittering schools and buries itself in sand at night. Meet the kelp forest's hygienist.
Dr. Theo Nakamura ·
Atlas9 min read
Snorkelling the Cape Kelp: Windmill Beach and Beyond
A snorkeller's guide to Simon's Town and False Bay — Windmill Beach, Boulders, kelp-fringe marine life, shark-smart safety, seasons and gear for Cape Town's east side.
Tom Okafor ·
Farming9 min read
Bull Kelp on the Farm: The Experimental Frontier of Nereocystis Aquaculture
Bull kelp (Nereocystis) is the Pacific Northwest's iconic annual kelp — and a famously fussy farm crop. Here's the biology, the progress, and what trial growers should expect.
Naomi Reyes ·
Blue Carbon9 min read
Buying Ocean Carbon Removal Credits: A Buyer's Field Guide
Ocean CDR credits span sinking biomass to alkalinity enhancement. A due-diligence framework on durability, MRV maturity, delivery risk and how to structure a purchase.
Priya Raman ·
Explore8 min read
Dive Flags Explained: Rules, Distances and What Boaters Actually Do
The two dive flags, what the law requires of divers and boaters, standoff distances, and how reality on the water differs from the textbook.
Tom Okafor ·
Atlas9 min read
Dive Guide: Bicheno — Tasmania's Quiet Red-Rock Reef
Bicheno's Governor Island marine reserve packs weedy seadragons, Red Velvetfish and golden kelp into easy boat dives off Tasmania's east coast. A diver's guide.
Tom Okafor ·
Field Notes8 min read
The Battery Swap: Powering a Survey Fleet by Hand
On Tidewright's solar-electric survey vessels, the battery pack is payload and lifeline at once. A field log of at-sea battery swaps — and what they taught the design team.
Jack Callum ·
Field Notes5 min read
The Urchin Weigh-In: Three Tonnes and a Turning Point
Every autumn we weigh the urchins culled from the barren edge at Boomer Bay. This year the scales told a different story — and changed next year's plan.
Jack Callum ·
Atlas9 min read
The Great Southern Reef: Australia's Forgotten Kelp Continent
Australia has a second great reef — 8,000 km of temperate kelp forest across five states, more endemic than the Great Barrier Reef, and in serious trouble.
Dr. Mara Ellison ·
Science9 min read
How Waves Shape Reefs: Drag, Shear and the Architecture of Exposure
Wave energy is the architect of rocky reefs. How drag, shear and exposure gradients sort species, sculpt kelp and decide where a forest can stand.
Dr. Lena Fischer ·