6 articles
Kelp blades are packed with food — so why don't grazers eat them all? Inside the chemical arms race between brown algae and the herbivores that hunt them.
Dr. Theo Nakamura ·
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 ·
A map of the kelp forest food web — from drifting fronds and grazing urchins to otters, octopus and rockfish — and why detritus powers most of it.
Dr. Mara Ellison ·
A trophic cascade happens when a predator's removal rewrites an entire ecosystem. The sea otter–urchin–kelp story is ecology's classic case — here's how it works.
Dr. Mara Ellison ·
The California sheephead is a sex-changing kelp-forest wrasse whose jaws keep sea urchins in check. Learn its life history, role and recovery story.
Dr. Mara Ellison ·
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 ·