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Julian Klein

Julian Klein
Julian Klein's PhD focuses on how forest structure effects the well being of especially birds, but also insects, mosses and lichens. He is especially interested in whether the vertical stratification of forest biomass can explain diversity, abundance, reproductive success and physiological parameters in those organisms. Together with other researchers, he collaborates closely with stakeholders to see if scientific findings can be implemented directly into forestry routines.


Julian Klein is originally from Switzerland, were he also did his BSc & MSc. He did his master thesis with the Siberian jay project in northern Sweden where he looked at how trade - offs between reproductive investment and feather quality are mediated by habitat characteristics. Since habitat characeristics in northern Sweden means forestry he naturally became interested in forestry and its impact on animals in Sweden and the boreal forest in general. After positions as a field assistant in the project above as well as as a research assistant at the Swedish wildlife research station in Grimsö he began his PhD at SLU in 2016. Julian Klein has a strong interest in forest ecology and birds, but has also begun to enjoy going  a bit deeper into programming and statistical modelling in R.


Demographic and economic trends demand more area on which to grow commodities, and current nature reserves may only protect a fraction of biodiversity in boreal landscapes under intensive management. Therefore, using productive matrices to reconcile biodiversity conservation and commodity production is a pressing need. A major obstacle to this conservation strategy is a lack of evidence-based action plans. For instance, conservation strategies in even-aged production forestry are typically dominated by the retention of dead and live trees at final harvest. Yet, little is known about the importance of intermediate harvest of small diameter trees (i.e. thinning from below) to secure the long-term persistence and conservation value of biodiversity in young thinning-stage stands. This doctoral project aims to improve this situation in close dialogue with forest managers, and assess how thinning-induced variation in biomass distribution between the ground and the crown is linked to biodiversity patterns and productivity among mosses, lichens, invertebrates and especially birds, design and assess the impact of novel but feasible management of young production forest on biodiversity and develop and validate models that provide guidance for the implementation of cost-effective and viable conservation measures at the landscape scale. It will be of particular interest to test if management strategies aimed at promoting overall diversity also benefit species of conservation concern. This knowledge needs to be generated through strategic cooperation within forest communities to deliver conservation strategies with a high degree of social legitimacy.



The current research project involves Sönke Eggers, Eva Lindberg, Jörgen Rudolphi and Matthew Low.


Postdoctor at the Swedish Species Information Centre; SLU Artdatabanken Terrestra ekosystem 1
Telephone: +4618672336, +46727374234