Current News:

  • 16th SAG Workshop - 16th SAG Workshop on Monday, 3rd and Tuesday, 4th of June 2019 in Gauting Topic: SAG Standards for the Pulling Test Method - developing technical standards for pulling tests and their evaluation This time, we want to exclusively focus on what we have already learned from our experience and previous workshops. We would like to use this information together with the work already done so far to get the SAG standards really a big step ahead. Therefore, we would like… Read More
  • 15 th SAG Workshop - on Tuesday, 25 th of September 2018 in Bremen Topic: Pulling tests on leaning trees - implications and problems with pulling tests and their evaluations - This workshop will focus on the joint measuring of leaning trees with pulling tests. We intend to test 5 trees in different directions, analyze data and discuss the evaluation. Caution: the preparations for the workshop will start on Monday 24.9.2018 at 5:00 pm after the AGM of SAG Baumstatik e.V. language German and English,… Read More
  • 14th SAG Workshop - The 14th Workshop of SAG Baumstatik has take place on 26th of February 2018. In Gauting, almost 40 participants met from 10 countries, from Canada to Croatia, from Britain to Italy. The focus was on recent findings from research in tree statics at unviversities. Presentations were held with the follwoing contents: Winching tests on Poplar trees on water saturated soils (J. Böttcher) Winching tests on the stability of dead Spruce trees (R. Schröder) Winching tests on the stability of forest… Read More

The Tree

is a complex biological organism whose functions are often only partially understood. Obviously, we can only promote and deepen this understanding if we adopt a broad interdisciplinary approach. For this purpose, all rationally comprehensible findings and research approaches should be noted and tested impartially for their practical applicability.

The SAG does not only want to use the resources of its members, but also aims for a specialist discussion with all representatives of specialist disciplines outside the SAG. Our work is not aimed at representing the interests of individual research methods and approaches. Existing methods should be discussed, evaluated and, as far as possible, integrated and further developed on the basis of new findings.



  • over 30 members
  • out of 9 countries
  • since 2010
  • regular workshops
  • and membership meetings
  • lively exchange
  • open for new members!

Expert Skills

The expert working group Baumstatik is an internationally registered and non-profit association.
Our members come from the fields of forestry and engineering, biology, mycology, tree care and horticulture. These skills and experiences flow into an interdisciplinary collaboration.

The members of the disciplinary SAG Baumstatik e.V. have a wealth of experience in the field of tree statics. In addition to the high level of knowledge in the respective subject area, this is based, among other things, on the preparation of several thousand safety assessments on trees, on the basis of statically integrated, injury-free tensile tests. Our expertise is also reflected in the fact that almost all members of the SAG are publicly appointed and sworn in as experts (öbv SV) and thus act as appraisers in court.