Arriving at a tipping point for worldwide forest decline due to accelerating climatic change

The 2023–2024 El Niño is inducing an acceleration of global warming that is likely to far exceed 1.5 °C. The Boreal summer of 2023 provided numerous examples of catastrophic forest fires (e.g., >18 million hectares of forest burned in Canada, making the Canadian forest a clear carbon source rathe...

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Main Author: Cuauhtémoc Sáenz-Romero
Format: Article
Language:English
Published: Canadian Institute of Forestry 2024-03-01
Series:The Forestry Chronicle
Subjects:
Online Access:https://pubs.cif-ifc.org/doi/10.5558/tfc2024-003
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author Cuauhtémoc Sáenz-Romero
author_facet Cuauhtémoc Sáenz-Romero
author_sort Cuauhtémoc Sáenz-Romero
collection DOAJ
description The 2023–2024 El Niño is inducing an acceleration of global warming that is likely to far exceed 1.5 °C. The Boreal summer of 2023 provided numerous examples of catastrophic forest fires (e.g., >18 million hectares of forest burned in Canada, making the Canadian forest a clear carbon source rather than a carbon sink), a trend that has been accompanied by worldwide examples of unusual tree mortality linked to hotter droughts. It is reasonable to expect that the warming induced by El Niño could push forests in several parts of the world over a tipping point, where they will hardly be able to recover their original state. It is therefore necessary to address the meaning, realistically, of sustainable forest management in the era of accelerated climatic change. The ultimate goal of the broadly accepted silvicultural practice of maintaining forests in a state that resembles what we recognize as temperate or boreal forests is becoming more of an idealistic dream rather than an attainable goal. Thus, the time has arrived to discuss painful forest management decisions, such as anticipated thinning to reduce water competition and the gradual replacement of native local forest populations with more drought-resistant provenances and species.
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spelling doaj-art-abd77eb0d46b48749049ea96bd96e1572025-08-20T03:39:00ZengCanadian Institute of ForestryThe Forestry Chronicle0015-75461499-93152024-03-0110015710.5558/tfc2024-003Arriving at a tipping point for worldwide forest decline due to accelerating climatic changeCuauhtémoc Sáenz-Romero0Instituto de Investigaciones sobre los Recursos Naturales, Universidad Michoacana de San Nicolás de Hidalgo, Av. San Juanito Itzícuaro s/n, Col. Nueva Esperanza, Morelia, Michoacán 58330, MexicoThe 2023–2024 El Niño is inducing an acceleration of global warming that is likely to far exceed 1.5 °C. The Boreal summer of 2023 provided numerous examples of catastrophic forest fires (e.g., >18 million hectares of forest burned in Canada, making the Canadian forest a clear carbon source rather than a carbon sink), a trend that has been accompanied by worldwide examples of unusual tree mortality linked to hotter droughts. It is reasonable to expect that the warming induced by El Niño could push forests in several parts of the world over a tipping point, where they will hardly be able to recover their original state. It is therefore necessary to address the meaning, realistically, of sustainable forest management in the era of accelerated climatic change. The ultimate goal of the broadly accepted silvicultural practice of maintaining forests in a state that resembles what we recognize as temperate or boreal forests is becoming more of an idealistic dream rather than an attainable goal. Thus, the time has arrived to discuss painful forest management decisions, such as anticipated thinning to reduce water competition and the gradual replacement of native local forest populations with more drought-resistant provenances and species.https://pubs.cif-ifc.org/doi/10.5558/tfc2024-003assisted migrationforest declinetemperate forestsclimatic change accelerationtipping pointbark beetle outbreaks
spellingShingle Cuauhtémoc Sáenz-Romero
Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
The Forestry Chronicle
assisted migration
forest decline
temperate forests
climatic change acceleration
tipping point
bark beetle outbreaks
title Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
title_full Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
title_fullStr Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
title_full_unstemmed Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
title_short Arriving at a tipping point for worldwide forest decline due to accelerating climatic change
title_sort arriving at a tipping point for worldwide forest decline due to accelerating climatic change
topic assisted migration
forest decline
temperate forests
climatic change acceleration
tipping point
bark beetle outbreaks
url https://pubs.cif-ifc.org/doi/10.5558/tfc2024-003
work_keys_str_mv AT cuauhtemocsaenzromero arrivingatatippingpointforworldwideforestdeclineduetoacceleratingclimaticchange