Multiple drivers of large‐scale lichen decline in boreal forest canopiesPer-Anders Esseen, Magnus Ekström, Anton Grafström, Bengt Gunnar Jonsson, Kristin Palmqvist, Bertil Westerlund & Göran Ståhl
Thin, hair-like lichens (Alectoria, Bryoria, Usnea) form conspicuous epiphyte communities across the boreal biome. These poikilohydric organisms provide important ecosystem functions and are useful indicators of global change. We analyse how environmental drivers influence changes in occurrence and length of these lichens on Norway spruce (Picea abies) over 10 years in managed forests in Sweden using data from >6000 trees. Alectoria and Usnea showed strong declines in southern-central regions, whereas Bryoria declined in northern regions....
1 citation reported since publication in 2022.
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