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Home Journals Annals of Botany Responses of lichen communities to 18 years of natural and experimental warming

Responses of lichen communities to 18 years of natural and experimental warming

Climate change and warming is expected to have major impacts on alpine and arctic ecosystems. Alatalo et al. describe the effects of 18 years of ambient and experimental warming, with total mean annual temperature increase of 2°C, on lichens in two alpine plant communities.

Lichen in the mountains
Lichen in the mountains

Lichen cover increased in heath under ambient conditions, but remained stable under experimental warming. Species richness and effective number of species decreased under experimental warming in meadow environments. Lichen community parameters were all negatively correlated with plant canopy cover. These long-term data show that both biotic and abiotic factors modify the impacts of climate change on lichens.

Annals of Botany Officehttp://aob.oxfordjournals.com
The Annals of Botany Office is based at the University of Oxford.

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