Early warning signs of salt marsh drowning indicated by widespread vulnerability from declining belowground plant biomass

Proceedings of the National Academy of Sciences, Volume 122, number 26, July 2025.
Significant stressors of stress of interest weaken resilience in ecosystems around the world. Here, we show that the subsoil biomass (BGB), an indirect indicator of the health of the salt marshes, has decreased in a large area of ​​coastal marshes since 2014, indicating growth …