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Managing for the unexpected: Building resilient forest landscapes to cope with global change

Natural disturbances exacerbated by novel climate regimes are increasing worldwide, threatening the ability of forest ecosystems to mitigate global warming through carbon sequestration and to provide other key ecosystem services. One way to cope with unknown disturbance events is to promote the ecol...

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Autores principales: Mina, Marco, Messier, Christian, Duveneck, Matthew J., Fortin, Marie‐Josée, Aquilué, Núria
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley and Sons Inc. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9541346/
https://www.ncbi.nlm.nih.gov/pubmed/35429213
http://dx.doi.org/10.1111/gcb.16197
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author Mina, Marco
Messier, Christian
Duveneck, Matthew J.
Fortin, Marie‐Josée
Aquilué, Núria
author_facet Mina, Marco
Messier, Christian
Duveneck, Matthew J.
Fortin, Marie‐Josée
Aquilué, Núria
author_sort Mina, Marco
collection PubMed
description Natural disturbances exacerbated by novel climate regimes are increasing worldwide, threatening the ability of forest ecosystems to mitigate global warming through carbon sequestration and to provide other key ecosystem services. One way to cope with unknown disturbance events is to promote the ecological resilience of the forest by increasing both functional trait and structural diversity and by fostering functional connectivity of the landscape to ensure a rapid and efficient self‐reorganization of the system. We investigated how expected and unexpected variations in climate and biotic disturbances affect ecological resilience and carbon storage in a forested region in southeastern Canada. Using a process‐based forest landscape model (LANDIS‐II), we simulated ecosystem responses to climate change and insect outbreaks under different forest policy scenarios—including a novel approach based on functional diversification and network analysis—and tested how the potentially most damaging insect pests interact with changes in forest composition and structure due to changing climate and management. We found that climate warming, lengthening the vegetation season, will increase forest productivity and carbon storage, but unexpected impacts of drought and insect outbreaks will drastically reduce such variables. Generalist, non‐native insects feeding on hardwood are the most damaging biotic agents for our region, and their monitoring and early detection should be a priority for forest authorities. Higher forest diversity driven by climate‐smart management and fostered by climate change that promotes warm‐adapted species, might increase disturbance severity. However, alternative forest policy scenarios led to a higher functional and structural diversity as well as functional connectivity—and thus to higher ecological resilience—than conventional management. Our results demonstrate that adopting a landscape‐scale perspective by planning interventions strategically in space and adopting a functional trait approach to diversify forests is promising for enhancing ecological resilience under unexpected global change stressors.
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spelling pubmed-95413462022-10-14 Managing for the unexpected: Building resilient forest landscapes to cope with global change Mina, Marco Messier, Christian Duveneck, Matthew J. Fortin, Marie‐Josée Aquilué, Núria Glob Chang Biol Research Articles Natural disturbances exacerbated by novel climate regimes are increasing worldwide, threatening the ability of forest ecosystems to mitigate global warming through carbon sequestration and to provide other key ecosystem services. One way to cope with unknown disturbance events is to promote the ecological resilience of the forest by increasing both functional trait and structural diversity and by fostering functional connectivity of the landscape to ensure a rapid and efficient self‐reorganization of the system. We investigated how expected and unexpected variations in climate and biotic disturbances affect ecological resilience and carbon storage in a forested region in southeastern Canada. Using a process‐based forest landscape model (LANDIS‐II), we simulated ecosystem responses to climate change and insect outbreaks under different forest policy scenarios—including a novel approach based on functional diversification and network analysis—and tested how the potentially most damaging insect pests interact with changes in forest composition and structure due to changing climate and management. We found that climate warming, lengthening the vegetation season, will increase forest productivity and carbon storage, but unexpected impacts of drought and insect outbreaks will drastically reduce such variables. Generalist, non‐native insects feeding on hardwood are the most damaging biotic agents for our region, and their monitoring and early detection should be a priority for forest authorities. Higher forest diversity driven by climate‐smart management and fostered by climate change that promotes warm‐adapted species, might increase disturbance severity. However, alternative forest policy scenarios led to a higher functional and structural diversity as well as functional connectivity—and thus to higher ecological resilience—than conventional management. Our results demonstrate that adopting a landscape‐scale perspective by planning interventions strategically in space and adopting a functional trait approach to diversify forests is promising for enhancing ecological resilience under unexpected global change stressors. John Wiley and Sons Inc. 2022-04-25 2022-07 /pmc/articles/PMC9541346/ /pubmed/35429213 http://dx.doi.org/10.1111/gcb.16197 Text en © 2022 The Authors. Global Change Biology published by John Wiley & Sons Ltd. https://creativecommons.org/licenses/by-nc/4.0/This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ (https://creativecommons.org/licenses/by-nc/4.0/) License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
spellingShingle Research Articles
Mina, Marco
Messier, Christian
Duveneck, Matthew J.
Fortin, Marie‐Josée
Aquilué, Núria
Managing for the unexpected: Building resilient forest landscapes to cope with global change
title Managing for the unexpected: Building resilient forest landscapes to cope with global change
title_full Managing for the unexpected: Building resilient forest landscapes to cope with global change
title_fullStr Managing for the unexpected: Building resilient forest landscapes to cope with global change
title_full_unstemmed Managing for the unexpected: Building resilient forest landscapes to cope with global change
title_short Managing for the unexpected: Building resilient forest landscapes to cope with global change
title_sort managing for the unexpected: building resilient forest landscapes to cope with global change
topic Research Articles
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9541346/
https://www.ncbi.nlm.nih.gov/pubmed/35429213
http://dx.doi.org/10.1111/gcb.16197
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