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.
A coastal atlas guide to BC's Central Coast and Hakai Passage — double-canopy kelp, returning sea otters, herring spawn and deep human history in cold green water.
Tom Okafor ·
The halfmoon (Medialuna californiensis) is a blue-grey sea chub that grazes kelp on Southern California and Baja reefs — ID, diet and habitat.
Dr. Mara Ellison ·
Do harbour seals live in kelp forests? Not quite — but they hunt in them, pup beside them and shape them. Inside the seal–kelp relationship.
Tom Okafor ·
Meet the harlequin duck: slate-blue plumage, winter life in the surf zone, and summers on wild mountain rivers. Identification, ecology and where to look.
Dr. Mara Ellison ·
Red light to hold, blue light to release: how wavelength and day length steer kelp gametophyte cultures, with a practical hatchery lighting setup guide.
Dr. Theo Nakamura ·
Hatchery technicians grow the ocean's juveniles — kelp spores, oyster larvae, fish fry. Here's what the craft involves, how to get in, and where it leads.
Naomi Reyes ·
Filtration trains, source water choices, daily monitoring and contamination response — the water-quality management that decides whether a kelp hatchery succeeds.
Naomi Reyes ·
At Head of Bight, the Nullarbor falls into the Southern Ocean and southern right whales nursery beneath the cliffs. A guide to this wild kelp coast.
Dr. Mara Ellison ·
Glaciers, an active volcano and some of Earth's loneliest kelp — a guide to Heard and McDonald Islands, Australia's subantarctic World Heritage group.
Dr. Lena Fischer ·
Practical rules for eating seaweed safely: the hijiki arsenic warning, cadmium in kelp, prep steps that cut exposure, and sensible portions.
Dr. Theo Nakamura ·
Helgoland, 46 km off Germany's North Sea coast, holds the country's only kelp forests — and one of the world's longest marine ecological records. A guide.
Dr. Mara Ellison ·
Food agencies in the UK, Canada, Australia and Hong Kong advise against eating hijiki. Here's how to read that guidance — and what to cook instead.
Sofia Andersson ·
Hijiki no nimono done properly — the classic soy braise, a crumbled tofu version and a modern grain bowl. Includes honest arsenic context and the arame swap.
Sofia Andersson ·
The hooded nudibranch Melibe leonina is a translucent sea slug that nets plankton from its perch on kelp blades. Biology, diet and where to see one.
Dr. Theo Nakamura ·
The horn shark is a small, harmless shark that hunts urchins and abalone by night in kelp beds. Biology, the fin spines, the purple teeth, the screw-shaped egg.
Dr. Theo Nakamura ·
Kelp survives storm forces that would snap rigid structures. The biomechanics of the holdfast, flexible stipes and drag-reducing blades — nature's offshore engineering.
Dr. Theo Nakamura ·
A decision-first guide to developing a blue carbon project: the team you need, the ten big decisions, and the mistakes that sink projects early.
Priya Raman ·
Howe Sound recovered from a century of industrial pollution to glass sponge reefs, returning orcas and thickening bull kelp — an atlas guide to BC's comeback fjord.
Dr. Mara Ellison ·
Sugar kelp under six months of sea ice, belugas in the estuary and a lengthening summer: a guide to the subarctic kelp fringe of Hudson Bay's Churchill coast.
Dr. Lena Fischer ·
The Humboldt penguin breeds in guano caves on the desert coast of Chile and Peru, and fishes in one of the richest — and most changeable — seas on Earth.
Dr. Mara Ellison ·
Humboldt squid (Dosidicus gigas): the fast-growing red devil of the Eastern Pacific, its twilight-zone life, and its warm-year marches north.
Dr. Lena Fischer ·
Iceland sits on the Mid-Atlantic Ridge where warm and Arctic currents collide — and its kelp forests, dive sites and seaweed traditions are as strange and rich as its geology.
Tom Okafor ·
Blue carbon projects live on Indigenous sea country. What free, prior and informed consent and fair benefit sharing demand of developers and buyers.
Priya Raman ·
Mull and Skye hide forests of kelp in long, calm sea lochs — otters on the weed ridges, sharks offshore. A visitor's guide to the Inner Hebrides' kelp coast.
Dr. Mara Ellison ·