Quantifying the impact of forest management on the carbon balance of the forest-wood product chain: A case study applied to even-aged oak stands in France

Fortin, Mathieu; Ningre, François; Naeije, Robert; Mothe, Frédéric

doi:10.1016/j.foreco.2012.05.031

Cited by 42 publications

(48 citation statements)

References 36 publications

(47 reference statements)

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“…Man et al (2013) also reported that reduced harvest levels stored significantly more carbon over the 100-year planning horizon as compared to strategies that focused on tree growth rates (Johnson et al 2009). Similar conclusions have also been drawn from boreal forests (Garcia-Gonzalo et al 2007, Man et al 2013, Europe (Fortin et al 2012), and Chile (Swanson 2009), Australia (Ranatunga et al 2008), and other regions.…”

Section: Treatment Effects On Agb Dynamicssupporting

confidence: 75%

“…A particular challenge, in this regard, is to seek site-specific management options because of the variations among ecosystem types and between the regions and their importance at different temporal scales (e.g., short-term vs. longterm values - Lafortezza et al 2008). Stimulated by these needs, numerous large-scale experiments in the United States (Chen et al 2014) and elsewhere (Garcia-Gonzalo et al 2007, Ranatunga et al 2008, Fortin et al 2012, Man et al 2013) were initiated to manipulate ecosystem structures and compositions. These experiments, unlike conventional approaches in forestry and ecology (Sheriff & He 1997), were designed to mimic natural and human disturbances at large spatial scales and to quantify the ecological responses with sound controls of the manipulations and statistical confidence (i.e., random block design with at least three replications).…”

Section: Introductionmentioning

confidence: 99%

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Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

Chen¹,

Jensen

et al. 2015

iForest

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, ranging from 1.60 to 1.94 Mg ha -1 yr -1 at the NHM plots. Changes in the net AGB growth rate were contributed by different growth rates of live trees and mortality and exhibited clear intra-annual variation during the five sampling periods. We observed a decreasing contribution of Quercus velutina (black oak) AGB (~6%), an increasing trend for Q. alba (white oak), and a stable change for Q. coccinea (scarlet oak) during the study period.

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Section: Treatment Effects On Agb Dynamicssupporting

confidence: 75%

Section: Introductionmentioning

confidence: 99%

Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

Chen¹,

Jensen

et al. 2015

iForest

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“…Thinning is decided on the basis of the deviation between the actual and potential stand density for any given diameter. This approach relates to the so-called relative density index (Fortin et al, 2012), the land use disturbance index or hemeroby and naturalness approaches (Schall and Ammer, 2013). Exceeding a threshold diameter results in a clear cut and the stand is replanted in the next year.…”

Section: Forest Management and Natural Mortalitymentioning

confidence: 99%

“…Naturalness indices making use of only diameter and stand density or the so-called relative density index (RDI) have been previously implemented at the stand level (Fortin et al, 2012) as well as in large-scale models (Bellassen et al, 2010). This approach was shown to successfully reproduce the biomass changes during the life cycle of a forest Fortin et al, 2012).…”

Section: Forest Management Strategiesmentioning

confidence: 99%

A vertically discretised canopy description for ORCHIDEE (SVN r2290) and the modifications to the energy, water and carbon fluxes

et al. 2015

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Abstract. Since 70 % of global forests are managed and forests impact the global carbon cycle and the energy exchange with the overlying atmosphere, forest management has the potential to mitigate climate change. Yet, none of the land-surface models used in Earth system models, and therefore none of today's predictions of future climate, accounts for the interactions between climate and forest management. We addressed this gap in modelling capability by developing and parametrising a version of the ORCHIDEE land-surface model to simulate the biogeochemical and biophysical effects of forest management. The most significant changes between the new branch called ORCHIDEE-CAN (SVN r2290) and the trunk version of ORCHIDEE (SVN r2243) are the allometric-based allocation of carbon to leaf, root, wood, fruit and reserve pools; the transmittance, absorbance and reflectance of radiation within the canopy; and the vertical discretisation of the energy budget calculations. In addition, conceptual changes were introduced towards a better process representation for the interaction of radiation with snow, the hydraulic architecture of plants, the representation of forest management and a numerical solution for the photosynthesis formalism of Farquhar, von Caemmerer and Berry. For consistency reasons, these changes were extensively linked throughout the code. Parametrisation was revisited after introducing 12 new parameter sets that represent specific tree species or genera rather than a group of often distantly related or even unrelated species, as is the case in widely used plant functional types. Performance of the new model was compared against the trunk and validated against independent spatially explicit data for basal area, tree height, canopy structure, gross primary production (GPP), albedo and evapotranspiration over Europe. For all tested variables, Published by Copernicus Publications on behalf of the European Geosciences Union. K. Naudts et al.: A vertically discretised canopy description for ORCHIDEEORCHIDEE-CAN outperformed the trunk regarding its ability to reproduce large-scale spatial patterns as well as their inter-annual variability over Europe. Depending on the data stream, ORCHIDEE-CAN had a 67 to 92 % chance to reproduce the spatial and temporal variability of the validation data.

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“…As both strategies can lead to contradictory guidelines, integrated approaches must be developed to find the optimal way of managing forest carbon (McKechnie et al 2010). Such approaches require accurate estimates of carbon fluxes into and out of the forest as well as of carbon stocks within the forest and in wood products (Vanclay and Skovsgaard 1997;Ketterings et al 2001;Fortin et al 2012). These forest carbon estimates are also crucial for carbon credit trading and national reporting of greenhouse gas inventories to the United Nations Framework Convention for Climate Change.…”

Section: Introductionmentioning

confidence: 99%

Improving the robustness of biomass functions: from empirical to functional approaches

Hounzandji

Jonard

Nys

et al. 2014

Annals of Forest Science

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Abstract& Key message We developed precise, consistent, generic, and robust biomass equations for seven aboveground tree components of sessile and pedunculate oaks. These equations can be used to accurately estimate carbon stocks and fluxes in and out of the forest. & Context Large uncertainties still persist when using existing biomass equations for larger scale applications. & Aims The objective of this study was to test two contrasting modeling approaches to obtain biomass estimates of various components (stem, stem wood, stem bark, crown, and three branch categories) for Quercus petraea and Quercus robur and to compare them in terms of predictive capacity, genericity, consistency, and robustness. & Methods All models were calibrated on a total of 117 oak trees sampled over a wide range of sites and stands and further tested on an independent data set of 33 trees. The "empirical" approach consisted in declining a common allometric equation based on two variables (diameter at breast height and total height) into all its possible forms and selecting the final model on purely statistical performances; the "structural" method was based on the fitting of a priori dedicated model forms for each component to allow a clear interpretation of the model parameters. & Results For the stem components, both approaches resulted in similar statistical performances despite difference in model forms and number of parameters. Although equally performant on the validation data set for the total crown, only the structural model gave satisfactory results when applied to the independent data set. Both approaches failed to accurately predict the branch fractions on the validation data set. & Conclusion Using physically based model forms increased the robustness of the biomass equations.

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Quantifying the impact of forest management on the carbon balance of the forest-wood product chain: A case study applied to even-aged oak stands in France

Cited by 42 publications

References 36 publications

Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

A vertically discretised canopy description for ORCHIDEE (SVN r2290) and the modifications to the energy, water and carbon fluxes

Improving the robustness of biomass functions: from empirical to functional approaches

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