Science6 min read
Marine Protected Areas: What They Protect and How
MPAs, marine reserves, no-take zones explained — how protection levels differ, what the evidence shows, and what MPAs can and can't do for kelp forests.
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.
Careers8 min read
Marine Restoration Technician: The Hands-On Job Rebuilding Reefs and Forests
Restoration technicians do the physical work of rebuilding kelp forests, reefs and seagrass beds. The skills, tickets, employers and routes into the trade.
Jack Callum ·
Atlas8 min read
Kelp Forests of Monterey Bay: A Coastal Atlas Guide
Monterey Bay holds some of North America's most accessible giant kelp forests — a canyon-fed, otter-patrolled ecosystem you can dive, kayak or watch from shore.
Dr. Theo Nakamura ·
Atlas8 min read
Port Phillip Heads and the Mornington Peninsula: Melbourne's Kelp
Weedy seadragons under the piers, drift dives through The Rip and kelp on the back beaches — a field guide to Port Phillip Heads and the Mornington Peninsula.
Tom Okafor ·
Blue Carbon10 min read
Nature-Based Solutions: What Integrity Actually Requires
Nature-based climate solutions can fund real restoration or sell attractive stories. The integrity checklist that separates credible projects from greenwash.
Priya Raman ·
Kitchen9 min read
Nori Beyond Sushi: Ten Uses for the Humble Sheet
Nori isn't just for sushi. Ten everyday uses for toasted nori sheets — from onigiri and furikake to butter, broth and cracking snack sheets.
Sofia Andersson ·
Encyclopedia9 min read
Norris's Top Snail: A Canopy Grazer with a Forest All to Itself
Norris's top snail spends its whole life on giant kelp — a large red-brown top snail found in no habitat but the southern California kelp forest.
Dr. Theo Nakamura ·
Science9 min read
Ocean Acidification: The Other CO₂ Problem — Corrosive Water, Hatcheries and How Coasts Adapt
Ocean acidification goes far beyond a falling pH number. Here's where corrosive water actually shows up, what it does to hatcheries and fisheries, and how coasts adapt.
Dr. Lena Fischer ·
Science9 min read
Ocean Acidification Explained: What Rising CO₂ Does to Seawater Chemistry
The ocean has absorbed about a third of our CO₂ emissions, quietly changing its chemistry. Here's the science of ocean acidification and what it means for sea life.
Dr. Lena Fischer ·
Science9 min read
Ocean Stratification: Why Layers Decide Who Eats
The ocean stacks itself into layers by temperature and density. Here's how stratification controls nutrients, productivity — and the fate of kelp forests.
Dr. Lena Fischer ·
Encyclopedia8 min read
Ochre Sea Star (Pisaster ochraceus): The Keystone Predator of Rocky Shores
A field guide to finding the ochre sea star, reading the mussel line it maintains, and understanding what its recovery after wasting disease tells us.
Dr. Mara Ellison ·
Farming10 min read
Offshore Seaweed Farming: Engineering Larger Farms for Rougher Water
Why seaweed farming is moving offshore, how submerged longline systems survive open-ocean swell, and what automation changes for farms at industrial scale.
Naomi Reyes ·
Atlas10 min read
The Olympic Coast: Washington's Wilderness Kelp Frontier
No towns, no coast highway, 135 wild miles of rock and bull kelp under the Olympic mountains — the most intact temperate marine wilderness left in the lower 48.
Dr. Lena Fischer ·
Encyclopedia7 min read
Orange-Peel Nudibranch: A Hand-Sized Hunter of Sea Pens
Tochuina tetraquetra, the orange-peel nudibranch, is one of the world's largest sea slugs — a cold-water giant that hunts sea pens and smells faintly of watermelon.
Dr. Theo Nakamura ·
Encyclopedia8 min read
Pāua (Haliotis iris): New Zealand's Iconic Abalone
Pāua, New Zealand's iridescent abalone, is a taonga species, a prized kaimoana and a carefully managed fishery. Its biology and cultural story.
Dr. Theo Nakamura ·
Blue Carbon9 min read
Permanence and Buffer Pools: Insuring Carbon Against the Future
Stored carbon is a promise about the future. How permanence risk, buffer pools and reversal mechanisms keep that promise honest across carbon markets.
Priya Raman ·
Kitchen9 min read
Pickled Kelp Stems: Crunch from the Forest Floor
Kelp stipes make one of the ocean's great pickles — snappy, briny, endlessly useful. A complete guide to pickling kelp stems, from quick fridge method to fermented.
Sofia Andersson ·
Atlas8 min read
Port Phillip Bay: Melbourne's Giant Kelp Garden
Behind the treacherous Rip lies a 1,900 km² sunken valley of kelp beds and seagrass: Port Phillip Bay, the temperate reef at Melbourne's front door.
Dr. Mara Ellison ·
Science12 min read
Can We Predict Marine Heatwaves? The State of the Forecast
Seasonal ocean forecasts can now flag elevated marine heatwave risk months ahead — sometimes. Here's what skill exists, where it fails, and who uses it.
Dr. Lena Fischer ·
Encyclopedia8 min read
Red Abalone (Haliotis rufescens): Species Profile
Meet the world's largest abalone — a kelp-eating giant sea snail of the Pacific coast. Its biology, fishery history and the road to recovery.
Dr. Theo Nakamura ·
Farming11 min read
Regenerative Ocean Farming: Hype or Working Model?
3D ocean farming promises food sometimes, habitat always, carbon possibly. We assess the polyculture model honestly — what holds up, and what is still marketing.
Naomi Reyes ·
Atlas9 min read
Scotland's West Coast: Kelp Forests of the Hebrides
Sea lochs, tidal sound races and a kelp-burning past: a guide to the kelp forests of Scotland's west coast and the Hebrides, and where the industry is heading next.
Dr. Mara Ellison ·
Kitchen9 min read
Sea Lettuce (Ulva): Recipes for the Most Underrated Seaweed
Sea lettuce (Ulva) is the most underrated edible seaweed. How to buy, wash and cook it — salads, soups, aonori seasoning and a seaweed sourdough.
Sofia Andersson ·
Kitchen7 min read
Seaweed Butter: The Umami-Packed Condiment You Can Make in Ten Minutes
Blend good butter with dulse or kombu for a deeply savory seaweed butter. The complete recipe, the best seaweeds to use, and dozens of ways to serve it.
Sofia Andersson ·