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# Scottish aquaculture sites faced very different heatwave trajectories
- URL: https://intelligence.wildlandseco.com/2026-10-22-scotland-marine-heatwave-farm-exposure/
- Published: 2026-10-22T14:22:02.000Z
- Updated: 2026-10-22T14:22:02.000Z
- Description: A satellite and farm-data analysis finds that increases in marine heatwave duration and severity were spatially uneven.
- Author: Benjamin Worlund
- Tags: marine heatwaves, aquaculture, climate exposure, Scotland, Oceans, Climate, Agriculture, Methods, #ecological-intelligence, #brief-2026-10-22, #global-radar, #peer-reviewed, #geo-europe

Evidence

Peer-reviewed

Geography

Scotland's finfish and shellfish farm locations, United Kingdom

System

Coastal ocean / aquaculture climate exposure

## WHAT THE EVIDENCE SAYS

Researchers sampled 1990–2025 daily satellite sea-surface temperatures at 361 farm locations represented by 218 grid cells, with in-situ checks at eight farms. Comparing 1990–2019 with 2020–2025, the two exposure groups showed estimated event-duration increases of 44.6% and 89.9%. Severe-or-extreme event probabilities increased far more steeply in one group, even as mean event intensity changed comparatively little.

## WHY IT MATTERS / OUR READ

Regional warming maps can hide site-level risk profiles. Monitoring and adaptation decisions should distinguish heatwave frequency, persistence, cumulative heat and uncertainty at operating sites.

## CAVEATS / UNCERTAINTY

Five-kilometer satellite data do not capture all farm-depth thermal exposures, and this is a hazard assessment, not measured mortality or economic loss at farms. The analysis is an accepted early-layout peer-reviewed article.

## SOURCE

Frontiers in Marine Science — Toledo-Jaime et al. (2026)  
[View original evidence ↗](https://doi.org/10.3389/fmars.2026.1963854?ref=intelligence.wildlandseco.com)

From the Morning Brief · 2026-10-22

[Read the full Morning Brief →](https://intelligence.wildlandseco.com/morning-brief-2026-10-22/)