Establishing Bridging Functions for Harmonizing Growing Stock Estimates: Examples from European National Forest Inventories

Tomter, Stein Michael; Gasparini, Patrizia; Gschwantner, Thomas; Hennig, Petra; Kulbokas, Gintaras; Kuliešis, Andrius; Polley, H. Wayne; Naeije, Robert; Rondeux, Jacques; Tabacchi, G.; Tomppo, Erkki

doi:10.5849/forsci.10-068

Cited by 17 publications

(21 citation statements)

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“…ENFIN plays an important role for all international reporting processes. Together with the COST Office and the JRC from the EC, NFIs have built reference definitions (Vidal et al 2008), bridges to convert national data into comparable ones and then tested this methodology in real situations (Tomter et al 2012). This way of working could be a harmonization benchmark for UN regions of the world outside Europe with the ambition to be as closed as possible in terms of definitions between the different regions to enhance comparability within and among regions.…”

Section: Discussionmentioning

confidence: 99%

The role of European National Forest Inventories for international forestry reporting

Vidal¹,

Alberdi²,

Redmond³

et al. 2016

Annals of Forest Science

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Section: Discussionmentioning

confidence: 99%

The role of European National Forest Inventories for international forestry reporting

Vidal¹,

Alberdi²,

Redmond³

et al. 2016

Annals of Forest Science

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“…This process was launched and intensive harmonisation efforts were made under the COST Action E43 (COST 2010) followed by the most recent COST Action FP1001 (COST 2015), where reference definitions were proposed and harmonisation possibilities developed (Vidal et al 2008;Gschwantner et al 2009;McRoberts et al 2012;Ståhl et al 2012;Tomppo and Schadauer 2012;Tomter et al 2012). In general, all harmonisation efforts are based on bottom-up approach using existing inventory designs (Köhl et al 2000) in order to maintain the original targets of NFIs and aim at developing methods to provide comparable estimates (McRoberts et al 2009;; Fig.…”

Section: Discussionmentioning

confidence: 99%

“…), which is very promising base for future harmonisation. Usually, stem quality-related parameters are assessed on all sample trees registered in the plot using different national thresholds for dbh ranging from 0 to 12 cm (Tomter et al 2012). The NFIs that apply direct stem quality assessment in the field often apply different dbh thresholds (larger dbh) than that used for sample trees selection.…”

Section: Timber Quality-related Parameters and Their Assessment In Eumentioning

confidence: 99%

“…Furthermore, before any harmonisation of stem quality assessment is made there is a need to harmonise single tree-and timber qualityrelated parameters. This has been the subject of last two COST Actions, E43 (COST 2010) (Vidal et al 2008;Gschwantner et al 2009;McRoberts et al 2009McRoberts et al , 2010Ståhl et al 2012;Tomppo and Schadauer 2012;Tomter et al 2012) and FP1001 (COST 2015. Therefore, this study is primarily focused on stem quality-related parameters assessment in European NFIs.…”

Section: Introductionmentioning

confidence: 99%

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Stem quality assessment in European National Forest Inventories: an opportunity for harmonised reporting?

Bošeľa

Redmond²,

Kučera

et al. 2015

Annals of Forest Science

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Abstract& Key message The potential of European National Forest Inventories to harmonise stem quality estimation in European forests was identified despite considerable differences in existing national approaches. & Context Knowledge on stem quality and assortments structure in European forests is highly important for policy makers and the timber industry and also for carbon life cycle analysis due to the fact that different timber products have different end use and thus store carbon for different time periods.& Aims The study aim was to evaluate the potential of European National Forest Inventories (NFI) to objectively report on the stem quality in European forests in a harmonised manner. & Methods A comprehensive questionnaire was conducted as the first important step to evaluate the current status of stem quality assessment and assess the existing level of harmonisation. & Results Direct stem quality assessment or classification is used in 19 out of 28 European NFIs. Only eight countries provide timber assortment estimates from their NFIs. In addition, different sampling strategies for stem quality assessment are used among NFIs. Tree parameters relevant for stem quality assessment on standing trees were identified for the purpose of harmonisation. Several methods towards harmonisation between European NFIs for the purpose of reporting on stem quality of European forests were suggested. & Conclusion Current European NFIs are not capable of reporting the stem quality of European forests in a harmonised manner at this stage and considerable efforts will need to be taken before the harmonised stem quality estimation can be Handling Editor: Jean-Michel LebanContribution of the co-authors MB, JR and MK designed the study, performed the questionnaire study and wrote the manuscript; GM contributed in designing the questionnaire and revised the manuscript; GM, KK, AK, GK prepared a description of the timber quality assessment in their NFIs and revised the manuscript; RA, TG, CF and AL reviewed literature and revised the manuscript. prepared. However, the inquiry also revealed that there is a potential to develop the harmonised estimations in future. Electronic supplementary material

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“…Čeprav podatki teh inventur pri mednarodnih poročanjih povzročajo nekaj težav (zaradi različnih statističnih zasnov inventur, merskih pragov, definicij kazalcev, ki otežujejo neposredne primerjave rezultatov: Winter et al, 2008;McRoberts et al, 2009;Tomppo et al, 2010a), so edini verodostojen vir informacij o gozdovih. Nekaj pomanjkljivosti bo zagotovo ostalo, delno pa jih bo mogoče reševati z metodami, kot so ekspanzijske, redukcijske in nevtralne premostitvene funkcije, s katerimi je mogoče nacionalne opredelitve pojmov (na primer lesno zalogo gozdov) prevajati v mednarodne (Ståhl et al, 2012;Tomter et al, 2012), ter z upoštevanjem različnih klasifikacij in definicij ob samem snemanju.…”

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Establishing Bridging Functions for Harmonizing Growing Stock Estimates: Examples from European National Forest Inventories

Cited by 17 publications

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The role of European National Forest Inventories for international forestry reporting

The role of European National Forest Inventories for international forestry reporting

Stem quality assessment in European National Forest Inventories: an opportunity for harmonised reporting?

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