Impact of Ozone on Sequestration of Carbon by Swedish Forests under a Changing Climate: A Modeling Study

Subramanian, Narayanan; Karlsson, Per Erik; Bergh, Johan; Nilsson, Urban

doi:10.5849/forsci.14-026

Cited by 13 publications

(11 citation statements)

References 53 publications

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“…The results indicated that biomass production of forest ecosystems would be reduced by 3-22 % in the northeastern USA as an effect of tropospheric O 3 concentrations recorded during the period (Ollinger et al 1997. With a similar approach, Subramanian et al (2015) found that biomass growth of forest trees in Sweden could be reduced annually by 4.3-15.5 % for conifers and 1.4-4.3 % for birch by current O 3 when compared to prehistoric O 3 . Proietti et al (2016), by combining satellite productivity estimates, O 3 measurement data and impact functions, found that current O 3 concentrations could reduce gross primary productivity of European forests by 0.4-30 % along a North-West-South-East transect.…”

Section: O 3 -Induced Signalling In Treesmentioning

confidence: 87%

“…In addition, this pollutant is thought to impact negatively forest productivity (Ainsworth et al 2012), although species composition can modulate this effect (Wang et al 2016). Since a large part of global forest areas is predicted to be exposed to O 3 in the future (Fowler et al 1999), carbon sequestration by forests may be reduced (Sitch et al 2007;Subramanian et al 2015). Historically, the phytotoxic effect of photooxidants, including O 3 , was first discovered in the 1950s in mixed conifer forests from the Los Angeles basin (Haagen-Smit et al 1952).…”

Section: Introductionmentioning

confidence: 99%

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Deciphering the ozone-induced changes in cellular processes: a prerequisite for ozone risk assessment at the tree and forest levels

Jolivet

Bagard

Cabané

et al. 2016

Annals of Forest Science

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Abstract& Key message Ozone, one of the major atmospheric pollutants, alters tree growth, mainly by decreasing carbon assimilation and allocation to stems and roots. To date, the mechanisms of O 3 impact at the cellular level have been investigated mainly on young trees grown in controlled or semi-controlled conditions. In the context of climate change, it is necessary to introduce a valuable defence parameter in the models that currently predict O 3 impact on mature trees and the carbon sequestration capacity of forest ecosystems.

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Section: O 3 -Induced Signalling In Treesmentioning

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Deciphering the ozone-induced changes in cellular processes: a prerequisite for ozone risk assessment at the tree and forest levels

Jolivet

Bagard

Cabané

et al. 2016

Annals of Forest Science

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“…The 3-PG component of the 3PG-Heureka model requires some species-specific parameters, namely the maximum, minimum and optimum temperature (°C) for growth, stand longevity (years), maximum canopy conductance (m s −1 ) and site productivity modifier (Table 1). Values for all these parameters except for site productivity modifier were obtained from previous publications (Landsberg et al 2005;Subramanian 2010;Potithep and Yasuoka 2011;Subramanian et al 2015). An unmanaged forest landscape was simulated in the 3PG-Heureka for a period of 22 years, to avoid the need to account for management activities that would influence growth and thus affect the hybrid model's parameterization.…”

Section: Parameterization Of the 3pg-heureka Modelmentioning

confidence: 99%

Impacts of climate change, weather extremes and alternative strategies in managed forests

et al. 2018

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The growth rate of most tree species in boreal forests will increase with changing climate. This increase is counterbalanced by an increased risk of damage due to extreme weather events. It is believed that the risk of storm damage will increase over time, especially if forests continue to be managed as they are today. In this study, a new landscape-level hybrid forest growth model 3PG-Heureka was developed and simulations were performed to predict the damage caused by storm events in Kronoberg county, over a period of 91 years (2010-2100) with different alternative management regimes under various climatic scenarios (historic, RCP4.5 and RCP8.5). The results indicate that damage caused by storm events could drastically reduce the annual volume increment and annual net revenue obtained from forest landscapes if current forest management regimes are used. These problems can be reduced by adopting alternative management strategies involving avoiding thinning, shorter rotation periods and planting alternative tree species. Alternative management strategies could potentially improve annual volume increments and net revenue obtained while reducing storm-felling. Planting Scots pine instead of Norway spruce across the landscape to minimize storm damage is predicted to be less effective than reducing rotation periods. RÉSUMÉLe changement climatique entraînera une augmentation du taux de croissance de la plupart des espèces arborescentes. Cette augmentation est contrebalancée par une augmentation du risque de dommages dus aux événements météorologiques extrêmes. Il est généralement reconnu que le risque de dommages dus aux tempêtes augmentera dans le futur, particulièrement si les forêts continuent d'être aménagées comme elles le sont présentement. Dans cette étude, un nouveau modèle hybride de croissance forestière 3PG-Heureka à l'échelle du paysage a été développé et des simulations ont été faites pour prédire les dommages causés par les tempêtes dans le comté de Kronoberg durant une période de 91 ans (2010-2100), sous différents régimes d'aménagement et scénarios climatiques (historique, RCP4.5 et RCP8.5). Les résultats indiquent que les dommages causés par les tempêtes peuvent causer une réduction marquée de l'accroissement annuel en volume et du revenu annuel tiré des paysages forestiers si le régime d'aménagement forestier actuel est utilisé. Ces problèmes peuvent être réduits en adoptant des stratégies alternatives d'aménagement impliquant l'évitement des éclaircies, de courtes révolutions et la plantation d'espèces différentes. Les stratégies alternatives d'aménagement pourraient améliorer l'accroissement annuel en volume et le revenu net, tout en réduisant les chablis. Planter du pin sylvestre plutôt que de l'épinette de Norvège dans le paysage pour minimiser les dommages dus aux tempêtes serait moins efficace que de raccourcir les périodes de révolution. ARTICLE HISTORY

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“…NPP indicates the growing status of vegetation and is a major determinant of carbon sequestration in the terrestrial ecosystems [31]. The changes in NPP will eventually change the carbon sequestration of forests [32]. NPP is one of the most used ecological variables in sustainable management evaluation [33,34].…”

Section: Introductionmentioning

confidence: 99%

“…NPP is one of the most used ecological variables in sustainable management evaluation [33,34]. Similar to the FORECAST model, NPP simulated by the C-Fix model [35] and the 3-PG (Physiological Principles Predicting Growth) model [32] was used to assess the carbon sequestration capacity of forests in the long term. In China, carbon sequestration by forest plantations is an important component of climate change mitigation plans [33,36,37].…”

Section: Introductionmentioning

confidence: 99%

Sustainable Management of Metasequoia glyptostroboides Plantation Forests in Shanghai

Zheng

Blanco

Wei

et al. 2018

Forests

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Urban forestry is increasingly used as a tool for climate change mitigation and for providing environmental services to inhabitants of urban areas. However, tree species used in urban forestry are usually different from the ones used in commercial forestry. As a consequence, available data on growth and yield under alternative management scenarios are usually scarce. As forest models can be used to explore potential forest futures, they are of special interest as decision-support tools in urban forestry. In this research, we used the FORECAST ecosystem-level forest model to define the management prescriptions for Metasequoia glyptostroboides plantations in Shanghai that reach the highest net primary productivity (NPP). In a first step, a battery of different stand densities (from 500 to 4000 stems ha −1 ) was used to identify those with the highest NPP at stand level. Then, different thinning regimes (with intensities ranging from 15% to 40% of trees removed and applied at stand age 5 to 20 years) were simulated on those initial densities with the highest NPP (3000 and 4000 stems ha −1 ). Planting 4000 stems ha −1 and not applying thinning achieved the highest annual NPP (14.39 ± 3.92 Mg ha −1 year −1 ) during the first rotation, but it was not significantly different from the NPP achieved with the same initial density but thinning 40% of trees at year 10. NPP was estimated to decrease with consecutive rotations, and for the second rotation thinning was needed to significantly increase NPP (10.11 ± 2.59 Mg ha −1 year −1 with 4000 stems ha −1 and 25% thinning at year 10) above non-thinning management. For the third rotation, the highest NPP was reached with initial density 3000 stems ha −1 and 25% thinning at year 10. Nitrogen flows were also estimated to decrease with consecutive rotations. These results indicate the potential of managing M. glyptostroboides urban plantations to reach their maximum productivity potential, but also that additional actions would be needed to ensure adequate nutrient levels over consecutive rotations. For a species such as M. glyptostroboides, which was discovered for science less than 70 years ago and for which no plantations over 50 years exist, the ecosystem-level FORECAST model has been shown as a suitable tool to support management decision when growth and yield data are not available.

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Impact of Ozone on Sequestration of Carbon by Swedish Forests under a Changing Climate: A Modeling Study

Cited by 13 publications

References 53 publications

Deciphering the ozone-induced changes in cellular processes: a prerequisite for ozone risk assessment at the tree and forest levels

Deciphering the ozone-induced changes in cellular processes: a prerequisite for ozone risk assessment at the tree and forest levels

Impacts of climate change, weather extremes and alternative strategies in managed forests

Sustainable Management of Metasequoia glyptostroboides Plantation Forests in Shanghai

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