
Drift Kelp and Wrack: The Forest's Gift to the Beach
Kelp forests export a share of everything they grow. Here's how drift kelp feeds open water, beach wrack feeds the shore, and why leaving wrack alone matters.
Dr. Mara Ellison ·
5 articles

Kelp forests export a share of everything they grow. Here's how drift kelp feeds open water, beach wrack feeds the shore, and why leaving wrack alone matters.
Dr. Mara Ellison ·
Kelp forests shed huge amounts of carbon as detritus. How storms, microbes and sticky aggregates turn that debris into marine snow — and where it lands.
Priya Raman ·
Kelp carbon counts only when it leaves the forest and stays gone. The traps, biomarkers, isotopes and models scientists use to track it into the deep.
Priya Raman ·

How do we measure carbon sinking through ocean? Sediment traps — moored funnels hundreds of metres deep — catch marine snow and tally the export flux.
Dr. Lena Fischer ·
Follow kelp carbon from frond to terminus: grazing, decomposition, export, burial, and deep-sea pathways — and the tracing science that reveals the routes.
Priya Raman ·