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Item type:Publication, Forest biodiversity and structure modulate human health benefits and risks(Nature Portfolio, 2025-05-01)The benefits and risks of forests to human health are widely recognized. Yet, variation across forest types and their ecological characteristics driving health effects remain underexplored. Based on a continental-scale, interdisciplinary empirical database from 164 European forest stands, we constructed a Bayesian Belief Network to quantify seven causal pathways relating distinct forest types to physical and mental health. These forest–health pathways included mental well-being via visual or auditory stimuli, thermal comfort, polyphenol content of medicinal plants, mushrooms and nutrition, air quality, and ticks and Lyme disease. Results show that forests consistently provide net health benefits regardless of their ecological characteristics. Forest canopy density and tree species diversity emerge as key drivers, but their effect size and directionality are strongly pathway-dependent. Changes in forest canopy density can generate trade-offs. For example, forests optimized for heat buffering and air pollution mitigation may compromise medicinal plant yield and enhance Lyme disease prevalence. Tree diversity effects were weaker but more uniformly positive. Therefore, forest management should account for such trade-offs to tailor forest biodiversity and functioning to local public health priorities.2 - Some of the metrics are blocked by yourconsent settings
Item type:Publication, Family imprint reveals basin-wide patterns of Amazon forest embolism resistance(Nature Portfolio, 2026-12-01)Amazon rainforests face intensifying water stress due to increases in vapour pressure deficit and changing hydrological regimes. Embolism resistance (Ψ 50 ) is a critical metric of tree survival under drought conditions, it is defined as a plant's capacity to resist disruption of xylem water flow due to air bubble formation from water stress. However, measurements of Ψ 50 are only available for a limited number of Amazon locations and species. Conversely, data on forest taxonomic composition are abundant across Amazonia, and if Ψ 50 is conserved phylogenetically, these data could provide a way to scale-up drought resistance patterns. Here we evaluate Ψ 50 measurements across non-flooded Amazonian tree taxa and reveal a moderate phylogenetic signal, with phylogenetic conservatism evident at the family-level. Notably, Fabaceae is amongst the most embolism-resistant tree families in Amazonia. Leveraging the phylogenetic signal we use species composition and tree size data from 448 forest plots across Amazonia to produce a macroecological assessment of Amazonian vulnerability to embolism. The resulting estimate spatial pattern reveals that forests in the Brazilian and Guiana Shield regions, where Fabaceae abundance is high, show strong resistance to embolism. In contrast, tree communities in Western Amazonia appear more vulnerable to embolism, suggesting a reduced capacity to withstand future drought conditions.1