Wales planted ~120,000 hectares of conifers for timber; decades later, researchers linked heavily forested catchments to acidic, salmon-poor streams
Wales planted fast-growing conifer trees for timber, leading to more acidic rivers and fewer salmon. Decades later, researchers observed these environmental effects in affected areas. This experience shows that tree planting alone is insufficient for climate and biodiversity goals. Improved forest management and reduced pollution have since aided river ecosystem recovery. Future tree planting must consider species, location, and management for ecological balance.
Wales planted fast-growing conifer trees for timber, leading to more acidic rivers and fewer salmon. Decades later, researchers observed these environmental effects in affected areas. This experience shows that tree planting alone is insufficient for climate and biodiversity goals. Improved forest management and reduced pollution have since aided river ecosystem recovery. Future tree planting must consider species, location, and management for ecological balance.
