
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 ·
27 articles

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 ·
Adaptation finance has no tonne to sell — so how does ocean nature pay? The instruments, metrics and cases for kelp restoration as bankable adaptation.
Priya Raman ·
A carbon credit is only real if the baseline against which it's measured is honest. How baselines are set for kelp and blue carbon projects — and why they decide integrity.
Priya Raman ·
Recruitment, grazer pressure, genetic diversity, canopy continuity: the measurable indicators ecologists use to predict whether a kelp forest will recover.
Dr. Mara Ellison ·
Between kelp generations lives a microscopic stage that can simply wait — pausing reproduction through heat, dark and scarcity. Inside gametophyte dormancy.
Dr. Elias Brandt ·
Kelp forests only look isolated. Spores, drifting fronds and invisible currents link reefs into a network — and that map is the key to restoring them.
Dr. Elias Brandt ·
Almost every reef animal and alga spreads as a drifting larva or spore. How far they travel — and which reefs talk to which — decides how kelp recovers.
Dr. Mara Ellison ·
Where warm and cold currents meet off Korea's east coast, Ecklonia cava forests are being rebuilt — and the haenyeo women divers still work the sea.
Tom Okafor ·
A February storm took eleven of sixty seeded lines off the Mendocino coast. This is the honest write-up: what failed, what it cost, and what changes.
Jack Callum ·
Join Tidewright's dive survey team as they count an advancing urchin front on Tasmania's coast — the methodical, cold, essential math of kelp restoration.
Jack Callum ·
Kelp has no true roots — its holdfast is a branching biological anchor built for storms. Explore holdfast anatomy, how kelp really feeds, and its hidden biodiversity.
Dr. Theo Nakamura ·

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 ·
A Pacific storm season tests Tidewright's Catalina restoration site. Field notes on survey dives between swells, storm-torn kelp, and which Holdfast lines held.
Jack Callum ·

Tasmania lost around 95 percent of its giant kelp forests in decades. Here's the science of the collapse, the urchin invasion — and the restoration race to bring it back.
Dr. Theo Nakamura ·
Tidewright's field crew logs their first week seeding Holdfast lines at Tinderbox, Tasmania — survey dives, southerly swells, and 40,000 metres of seeded line.
Jack Callum ·

Sea otters are strangers at Catalina — so when one appeared over Tidewright's restoration block, we built a dawn count around him. What the survey found.
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 ·
A Tidewright field dispatch: transecting the moving edge of an urchin barren by Drifter sonar and drop camera, and deciding where next season's Holdfast lines go.
Jack Callum ·
Green gravel, seeded lines, urchin culling, spore bags, assisted migration — how the main kelp restoration methods compare on cost, scale and evidence of success.
Dr. Mara Ellison ·

Ecological succession explains how a bare rocky reef rebuilds into a kelp forest — the pioneer algae, understory kelps, canopy giants, and what restoration can safely skip.
Dr. Mara Ellison ·
After a heatwave, storm or harvest clears a kelp forest, the reef rebuilds in a predictable order. The stage-by-stage science of marine succession.
Dr. Mara Ellison ·

A Tidewright dispatch: the first sunflower star recorded on a long-running transect since the wasting years, and an honest crew argument about what one animal means.
Jack Callum ·
A kelp forest's edge is not its boundary but a habitat of its own. How perimeter, patch size and geometry decide survival, diversity and restoration design on temperate reefs.
Dr. Mara Ellison ·
Kelp carbon methodologies are multiplying. This buyer's guide compares the main accounting families and the questions to ask of every one of them.
Priya Raman ·
Beyond mangroves lies the frontier of blue carbon: kelp export, seabed sediments and ocean alkalinity. What buyers should know about early-stage credits.
Priya Raman ·
How shoreline citizen science — from iNaturalist to kelp-cast surveys — feeds real kelp forest research. What to record, how to join, and why it matters.
Tom Okafor ·

Meet bull kelp, the fast-growing annual giant of North America's Pacific coast — its biology, Indigenous heritage, dramatic decline and the race to restore it.
Dr. Mara Ellison ·