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Globally consistent climate sensitivity of natural disturbances across boreal and temperate forest ecosystems

Seidl, Rupert and Honkaniemi, Juha and Aakala, Tuomas and Aleinikov, Alexey and Angelstam, Per and Bouchard, Mathieu and Boulanger, Yan and Burton, Philip J. and De Grandpre, Louis and Gauthier, Sylvie and Hansen, Winslow D. and Jepsen, Jane U. and Jogiste, Kalev and Kneeshaw, Daniel D. and Kuuluvainen, Timo and Lisitsyna, Olga and Makoto, Kobayashi and Mori, Akira S. and Pureswaran, Deepa S. and Shorohova, Ekaterina and Shubnitsina, Elena and Taylor, Anthony R. and Vladimirova, Nadezhda and Vodde, Floortje and Senf, Cornelius (2020). Globally consistent climate sensitivity of natural disturbances across boreal and temperate forest ecosystems. Ecography. 43 , 967-978
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Abstract

Disturbance regimes are changing in forests across the world in response to global climate change. Despite the profound impacts of disturbances on ecosystem services and biodiversity, assessments of disturbances at the global scale remain scarce. Here, we analyzed natural disturbances in boreal and temperate forest ecosystems for the period 2001-2014, aiming to 1) quantify their within- and between-biome variation and 2) compare the climate sensitivity of disturbances across biomes. We studied 103 unmanaged forest landscapes with a total land area of 28.2 x 10(6) ha, distributed across five continents. A consistent and comprehensive quantification of disturbances was derived by combining satellite-based disturbance maps with local expert knowledge of disturbance agents. We used Gaussian finite mixture models to identify clusters of landscapes with similar disturbance activity as indicated by the percent forest area disturbed as well as the size, edge density and perimeter-area-ratio of disturbed patches. The climate sensitivity of disturbances was analyzed using Bayesian generalized linear mixed effect models and a globally consistent climate dataset. Within-biome variation in natural disturbances was high in both boreal and temperate biomes, and disturbance patterns did not vary systematically with latitude or biome. The emergent clusters of disturbance activity in the boreal zone were similar to those in the temperate zone, but boreal landscapes were more likely to experience high disturbance activity than their temperate counterparts. Across both biomes high disturbance activity was particularly associated with wildfire, and was consistently linked to years with warmer and drier than average conditions. Natural disturbances are a key driver of variability in boreal and temperate forest ecosystems, with high similarity in the disturbance patterns between both biomes. The universally high climate sensitivity of disturbances across boreal and temperate ecosystems indicates that future climate change could substantially increase disturbance activity.

Authors/Creators:Seidl, Rupert and Honkaniemi, Juha and Aakala, Tuomas and Aleinikov, Alexey and Angelstam, Per and Bouchard, Mathieu and Boulanger, Yan and Burton, Philip J. and De Grandpre, Louis and Gauthier, Sylvie and Hansen, Winslow D. and Jepsen, Jane U. and Jogiste, Kalev and Kneeshaw, Daniel D. and Kuuluvainen, Timo and Lisitsyna, Olga and Makoto, Kobayashi and Mori, Akira S. and Pureswaran, Deepa S. and Shorohova, Ekaterina and Shubnitsina, Elena and Taylor, Anthony R. and Vladimirova, Nadezhda and Vodde, Floortje and Senf, Cornelius
Title:Globally consistent climate sensitivity of natural disturbances across boreal and temperate forest ecosystems
Year of publishing :2020
Volume:43
Page range:967-978
Number of Pages:12
Publisher:John Wiley & Sons Ltd, Nordic Society Oikos
ISSN:0906-7590
Language:English
Publication Type:Journal article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Keywords:boreal forest, climate variability, disturbance regimes, remote sensing, spatial patterns, temperate forest
URN:NBN:urn:nbn:se:slu:epsilon-p-105136
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-p-105136
Additional ID:
Type of IDID
DOI10.1111/ecog.04995
Web of Science (WoS)000522071700001
ID Code:17247
Faculty:S - Faculty of Forest Sciences
Department:(S) > School for Forest Management
Deposited By: SLUpub Connector
Deposited On:10 Jul 2020 10:43
Metadata Last Modified:10 Jul 2020 10:43

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