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Heat shifts symbionts | Nature Local weather Change



Abigail Meyer from the College of Minnesota, USA, and colleagues from the USA, investigated the physiological and morphological responses to experimental warming and CO2 additions within the widespread forest lichen Evernia mesomorpha. Whereas impacts of CO2 have been largely negligible, warming and related drying was linked to decreases in biomass, carbon assimilation and respiration charges. In addition to bleaching of the lichen, indicative of loss of life of the photobiont, the authors discovered proof of shifts in inside algal communities, together with elevated proportions of sure algal clades below warming. Whereas the examine reveals the sensitivity of lichen algae to warming, additional work is required to disclose whether or not photobiont turnover might help in lichen acclimation and restoration.

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