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Knotted wrack landings in Norway — catch statistics

Knotted wrack is a brown wrack seaweed (Ascophyllum nodosum) harvested in the intertidal zone for alginate and feed products. In 2025, Norway landed about 15,354 tonnes of knotted wrack (product weight), peaking in June. From 2022 to 2025, annual landings have fallen by 4%.

Data through 2025

Monthly landings (tonnes)

Annual landings (tonnes)

2022
15,924 t
2023
14,864 t
2024
14,355 t
2025
15,354 t

Frequently asked questions

How much knotted wrack does Norway land?
In 2025, Norway landed about 15,354 tonnes of knotted wrack (product weight), based on official Norwegian landings data.
When is the knotted wrack season?
Knotted wrack landings peak in June, while the lowest volumes occur in December.
Are knotted wrack landings increasing or decreasing?
From 2022 to 2025, annual landings have fallen from 15,924 to 15,354 tonnes (−4%).

2026 data — updated daily

Get the current year and live, daily-updated figures, plus vessel-, buyer- and region-level detail.

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