Effects of Temperature and Water Availability on Northern European Boreal Forests

Boreal forests are warming faster than the rest of the planet. Do the benefits of higher temperatures and longer growing seasons for forest productivity exceed the negative effects of more frequent dry spells and heat waves, shifting precipitation patterns, and higher evaporative demands? And are th...

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Main Authors: Guiomar Ruiz-Pérez, Giulia Vico
Format: Article
Language:English
Published: Frontiers Media S.A. 2020-04-01
Series:Frontiers in Forests and Global Change
Subjects:
Online Access:https://www.frontiersin.org/article/10.3389/ffgc.2020.00034/full
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author Guiomar Ruiz-Pérez
Giulia Vico
author_facet Guiomar Ruiz-Pérez
Giulia Vico
author_sort Guiomar Ruiz-Pérez
collection DOAJ
description Boreal forests are warming faster than the rest of the planet. Do the benefits of higher temperatures and longer growing seasons for forest productivity exceed the negative effects of more frequent dry spells and heat waves, shifting precipitation patterns, and higher evaporative demands? And are the effects uniformly distributed geographically? To answer to these questions, the relationship between climatic variables and NDVI—a proxy of forest productivity at regional scale—was explored via Partial Least Square (PLS) regression analyses. We focused on Northern Europe, where contrasting findings on the effects of warming have been reported and that has so far been overlooked by systematic large-scale explorations of the linkages between boreal forest productivity and climatic conditions. The results show that the effects of warmer temperatures on boreal forest productivity are not uniformly positive and that water stress is already negatively affecting these forests. Indeed, increased temperatures appear beneficial in northern and wetter regions, while warmer temperatures mostly reduce forest productivity in southern and drier areas. These results are suggestive of already existing limitations due to water availability and warm temperatures, even in mesic regions like Northern Europe. These conditions are expected to become more frequent and intense in the future, potentially reducing the ability of boreal forests to provide their essential ecosystem services unless forest management practices are adapted to the new conditions.
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spelling doaj.art-2e472ebd813e40e1b885f6ae1d73e87b2022-12-21T23:24:35ZengFrontiers Media S.A.Frontiers in Forests and Global Change2624-893X2020-04-01310.3389/ffgc.2020.00034508037Effects of Temperature and Water Availability on Northern European Boreal ForestsGuiomar Ruiz-PérezGiulia VicoBoreal forests are warming faster than the rest of the planet. Do the benefits of higher temperatures and longer growing seasons for forest productivity exceed the negative effects of more frequent dry spells and heat waves, shifting precipitation patterns, and higher evaporative demands? And are the effects uniformly distributed geographically? To answer to these questions, the relationship between climatic variables and NDVI—a proxy of forest productivity at regional scale—was explored via Partial Least Square (PLS) regression analyses. We focused on Northern Europe, where contrasting findings on the effects of warming have been reported and that has so far been overlooked by systematic large-scale explorations of the linkages between boreal forest productivity and climatic conditions. The results show that the effects of warmer temperatures on boreal forest productivity are not uniformly positive and that water stress is already negatively affecting these forests. Indeed, increased temperatures appear beneficial in northern and wetter regions, while warmer temperatures mostly reduce forest productivity in southern and drier areas. These results are suggestive of already existing limitations due to water availability and warm temperatures, even in mesic regions like Northern Europe. These conditions are expected to become more frequent and intense in the future, potentially reducing the ability of boreal forests to provide their essential ecosystem services unless forest management practices are adapted to the new conditions.https://www.frontiersin.org/article/10.3389/ffgc.2020.00034/fullboreal foresttemperatureprecipitationwater stressNDVINorthern Europe
spellingShingle Guiomar Ruiz-Pérez
Giulia Vico
Effects of Temperature and Water Availability on Northern European Boreal Forests
Frontiers in Forests and Global Change
boreal forest
temperature
precipitation
water stress
NDVI
Northern Europe
title Effects of Temperature and Water Availability on Northern European Boreal Forests
title_full Effects of Temperature and Water Availability on Northern European Boreal Forests
title_fullStr Effects of Temperature and Water Availability on Northern European Boreal Forests
title_full_unstemmed Effects of Temperature and Water Availability on Northern European Boreal Forests
title_short Effects of Temperature and Water Availability on Northern European Boreal Forests
title_sort effects of temperature and water availability on northern european boreal forests
topic boreal forest
temperature
precipitation
water stress
NDVI
Northern Europe
url https://www.frontiersin.org/article/10.3389/ffgc.2020.00034/full
work_keys_str_mv AT guiomarruizperez effectsoftemperatureandwateravailabilityonnortherneuropeanborealforests
AT giuliavico effectsoftemperatureandwateravailabilityonnortherneuropeanborealforests