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This paper presents an ex-post calculation approach for the use-side estimation of wood fellings in Germany. Based on an existing approach for calculating wood removals, all roundwood using sectors and available data sources are to be identified. An intensive analysis and evaluation of the data scope and quality, as well as the subsequent identification of data gaps on the use side are essential parts of the approach. A complementary part of the study is the development of individual sectoral models to close the identified data gaps on the use side. The calculated data on wood removals are then used for the estimation of wood fellings, taking into account variables such as logging residues. The comparison of the use-side calculated data for fellings in this paper, with supply-based data from official statistics, shows that there was a difference of about 16.1 million m 3 in 2013. This tendency toward constant underestimation of fellings in the official statistics is known from various studies and can now be quantified for the complete period of investigation (1995)(1996)(1997)(1998)(1999)(2000)(2001)(2002)(2003)(2004)(2005)(2006)(2007)(2008)(2009)(2010)(2011)(2012)(2013). The results also allow for a more realistic view on a possible sustainable increase in wood harvests and on decision making in forest-based industries. Moreover, they allow for more accurate calculations of carbon sequestration in forests and harvested wood products.

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