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A source or supply from which benefit is produced, typically of limited availability. In biology it means, substances or objects required by a biological organism for normal maintenance, growth, and reproduction. wiki

Uncovering the mechanisms behind positive diversity-productivity relationships in forests.

Globally, forests play a critical role in mitigating climate change by removing CO2 from the atmosphere and storing it in wood. The strength of this carbon sync depends on a number of factors, such as climate, availability of nutrients and disturbance.

Tree species diversity mitigates disturbance impacts on the forest carbon cycle

Biodiversity fosters the functioning and stability of forest ecosystems and, consequently, the provision of crucial ecosystem services that support human well-being and quality of life. In particular, it has been suggested that tree species diversity buffers ecosystems against the impacts of disturbances, a relationship known as the “insurance hypothesis”.

Effects of biodiversity on the transmission of foliar fungal pathogens in the German tree diversity experiment BIOTREE

Current theory on transmission rates of plant pathogens predicts a strong influence of host diversity on the degree of infection. We tested this prediction for foliar fungal pathogens on forest tree species, making use of the BIOTREE tree diversity experiment in Germany. We hypothesized that fungal species diversity was positively and fungal pathogen load negatively related to tree species diversity. We conducted analyses at three hierarchical levels, at the plot level, the level of single tree species, and the level of individual fungus species.

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