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# Open-coast mangroves depend on quiet windows, not just suitable climate
- URL: https://intelligence.wildlandseco.com/2026-10-01-mangrove-establishment-wave-windows/
- Published: 2026-10-01T13:53:20.000Z
- Updated: 2026-10-01T13:53:20.000Z
- Description: A global mechanistic model found that periods of low wave forcing strongly separated mangrove from non-mangrove open coasts, making establishment opportunity a moving part of restoration suitability.
- Author: Benjamin Worlund
- Tags: mangrove establishment, wave climate, coastal restoration, Oceans, Water, restoration, Climate, #ecological-intelligence, #brief-2026-10-01, #priority-read, #peer-reviewed, #geo-global, #edition-lead

Evidence

Peer-reviewed

Geography

Open coasts across global mangrove range

System

Open-coast mangrove forests

## WHAT THE EVIDENCE SAYS

Researchers analyzed 20 years of three-hourly wave data at 400 globally distributed open-coast sites and built a process-driven model around windows of sufficiently low wave forcing for seedling establishment. Among 394 sites with usable hydrodynamic data, the model predicted mangrove presence or absence with 78.2% accuracy. Mangrove and non-mangrove sites differed in the low-wave windows they experienced, and sensitivity tests showed that moderate changes in wave height or direction could shift establishment suitability.

## WHY IT MATTERS / OUR READ

Mangrove restoration is often mapped from elevation, inundation or broad climate variables. This study adds a process that can decide whether propagules ever get through the establishment bottleneck. A site can look climatically suitable yet repeatedly lose seedlings if wave disturbance never relaxes long enough.

## CAVEATS / UNCERTAINTY

The model addresses exposed open coasts, not back-barrier or reef-protected mangroves. It uses offshore wave reanalysis and shoreline geometry rather than local near-bed measurements, does not include tidal currents explicitly, and genus-level responses may differ. Suitability is not the same as successful restoration.

## SOURCE

Nature — primary study  
[View original evidence ↗](https://doi.org/10.1038/s41586-026-11089-z?ref=intelligence.wildlandseco.com)

From the Morning Brief · 2026-10-01

[Read the full Morning Brief →](https://intelligence.wildlandseco.com/morning-brief-2026-10-01/)