Dear All, The abstract submission deadline for the upcoming IUFRO 125 Anniversary Congress in Freiburg (19 - 22 September 2017) is Wednesday, 30 November 2016, 3 days from now! This link will take you directly to the abstract submission page: http://iufro2017.com/call-for-abstracts/ The anniversary congress will also include an All-Division 7 meeting which contains the sessions listed below. This link will take you to the session descriptions: http://iufro2017.com/wp-content/uploads/2016/11/IUFRO2017-AllDiv7-Sessions.… Division 7 Forest Health sessions: 56 Modern approaches in evaluating ozone impacts on forests 57 Invasive Alien Species and International Trade - Detection Prior to Introduction, Measures and Policy for Mitigation 59 Responses to the increasing threat of insect pests to sustainable plantation forestry 71 Early detection and monitoring of invasive forest pests and pathogens with citizen science 83 Are we doing the right things to deal with invasive forest pest and pathogens? Lessons from history d current strategies 85 Sustaining Ecological Services and Preservation in an Era of Climate Change, Fragmenting Boundaries, and Intensifying Nati-ve & Invasive Disturbances 86 The science of tree health and how we can use it: Multidisciplinary research from the Tree Health and Plant Biosecurity Initiative (THAPBI). 120 Insect pests and pathogens of tree reproductive structures in a changing world: assessing vulnerability and mitigation stra-tegies 122 Invasive species surveillance: New methods and tools for survey and early detection 136 Hierarchical modelling framework to quantify and forecast climate change and air pollution impacts on forest ecosystems 146 Climate change and air pollution impacts on forest health status and productivity 161 Combined and interactive effects of multiple stressors on forest health 165 Dothistroma and other needle diseases of pine 167 Ecosystems, climate change and hydrology 170 Understanding viruses in trees - promoting healthy plants in forest and urban open space 177 Forest Health in a Changing Climate 188 Managing pests and diseases in commercial plantations 191 Nitrogen deposition: spatial-temporal change and ecological impacts 192 Global decline of Fraxinus species caused by invasive pests and pathogens 198 Forest biodiversity and resistance to natural disturbances 199 Effects of global change on Mediterranean forest insects and interactions with pathogens 208 Social and Economic dimensions of forest health: Contributing to a biosecure future 300 Pine pitch canker - strategies for management of Gibberella circinata in greenhouses and forests (PINESTRENGTH) Both oral and poster presentations are welcome. When submitting your abstract, a general congress topic or Division 7 must be selected during the submission process through the portal. Each presenter can submit a maximum of 2 abstracts, but can be a coauthor on more than two abstracts. The portal is simple to use and will remain open until midnight CET on 30 November. We are looking forward to an exciting and interesting congress. All the best, Tod Ramsfield Tod Ramsfield, PhD Research Scientist Forest Pathology, Canadian Forest Service Natural Resources Canada / Government of Canada Tod.Ramsfield(a)canada.ca / Tel: 780-435-7394 Chercheur, Pathologie forestière, Service canadien des forêts Ressources naturelles Canada / Gouvernement du Canada Tod.Ramsfield(a)canada.ca / Tel : 780-435-7394