Deadwood density, C stocks and their controlling factors in a beech-silver fir mixed virgin European forest

Petriţan, Ion Cătălin; Mihăilă, Victor-Vasile; Yuste, Jorge Curiel; Bouriaud, Olivier; Petriţan, Any Mary

doi:10.1016/j.foreco.2023.121007

Cited by 5 publications

(1 citation statement)

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“…Keeton et al [ 20 ] study on Carpathian Norway spruce-silver fir old-growth forest analyses only the aboveground C pool and reports a variable range of 155–165 Mg C ha − 1 that is much lower than the results of our study (M2: BGO 263 Mg C ha − 1 and PER 255 Mg C ha − 1 ). Finally, lower data were also reported by Petritan et al [ 22 ] in their research on the deadwood compartment in a beech-silver fir mixed virgin European forest in the Southern Carpathian. Indeed, their show an average amount of 16 Mg C ha − 1 .…”

Section: Discussioncontrasting

confidence: 52%

The largest European forest carbon stocks are in the Dinaric Alps old-growth forests: comparison of direct measurements and standardised approaches

Bono,

Alberti,

Berretti

et al. 2024

Carbon Balance Manage

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Background Carbon (C) sink and stock are among the most important ecosystem services provided by forests in climate change mitigation policies. In this context, old-growth forests constitute an essential reference point for the development of close-to-nature silviculture, including C management techniques. Despite their small extent in Europe, temperate old-growth forests are assumed to be among the most prominent in terms of biomass and C stored. However, monitoring and reporting of C stocks is still poorly understood. To better understand the C stock amount and distribution in temperate old-growth forests, we estimated the C stock of two old-growth stands in the Dinaric Alps applying different assessment methods, including direct and indirect approaches (e.g., field measurements and allometric equations vs. IPCC standard methods). This paper presents the quantification and the distribution of C across the five main forest C pools (i.e., aboveground, belowground, deadwood, litter and soil) in the study areas and the differences between the applied methods. Results We report a very prominent C stock in both study areas (507 Mg C ha− 1), concentrated in a few large trees (36% of C in 5% of trees). Moreover, we found significant differences in C stock estimation between direct and indirect methods. Indeed, the latter tended to underestimate or overestimate depending on the pool considered. Conclusions Comparison of our results with previous studies and data collected in European forests highlights the prominence of temperate forests, among which the Dinaric Alps old-growth forests are the largest. These findings provide an important benchmark for the development of future approaches to the management of the European temperate forests. However, further and deeper research on C stock and fluxes in old-growth stands is of prime importance to understand the potential and limits of the climate mitigation role of forests.

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Section: Discussioncontrasting

confidence: 52%