For 20 years, scientists threw nearly 600,000 pounds of dead salmon onto one Alaskan riverbank; the fish fertilised the forest and made spruce trees grow faster

In a fascinating study from Alaska, researchers uncovered that salmon carcasses are enhancing the growth of nearby spruce trees. This unexpected discovery revealed how marine nutrients dramatically stimulate forest development. Over the course of two decades, an astounding 600,000 pounds of salmon built up on a riverbank. Tree ring investigations demonstrated remarkable biomass growth due to this unique fertilization process, shedding light on salmon’s crucial contribution to woodland ecosystems.
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