New study doubles global estimates of seagrass biomass and productivity

Researchers from G3ECA have participated in a global study revealing that the biomass and net primary productivity of seagrass meadows are twice as high as previously estimated. The study, which analyses data from 11 genera of marine phanerogams collected between 1975 and 2024, identifies global patterns of growth and structure, as well as the environmental factors driving them. The results also show how different species of marine phanerogams adapt to their local environments — from temperature to nutrients — highlighting their extraordinary resilience. These findings provide an updated and essential insight for the conservation and sustainable management of these key ecosystems in the face of climate change.