Abstract
Cold environments at high elevation and high latitude are often viewed as resistant to biological invasions. However, climate warming, land use change and associated increased connectivity all increase the risk of biological invasions in these environments. Here we present a summary of the key discussions of the workshop ‘Biosecurity in Mountains and Northern Ecosystems: Current Status and Future Challenges’ (Flen, Sweden, 1–3 June 2015). The aims of the workshop were to (1) increase awareness about the growing importance of species expansion—both non-native and native—at high elevation and high latitude with climate change, (2) review existing knowledge about invasion risks in these areas, and (3) encourage more research on how species will move and interact in cold environments, the consequences for biodiversity, and animal and human health and wellbeing. The diversity of potential and actual invaders reported at the workshop and the likely interactions between them create major challenges for managers of cold environments. However, since these cold environments have experienced fewer invasions when compared with many warmer, more populated environments, prevention has a real chance of success, especially if it is coupled with prioritisation schemes for targeting invaders likely to have greatest impact. Communication and co-operation between cold environment regions will facilitate rapid response, and maximise the use of limited research and management resources.
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Acknowledgments
The workshop was supported through funding by the Mountain Research Initiative (MRI) of the University of Bern (Switzerland), the Marcus Wallenberg Foundation for International Scientific Collaboration, the Oscar and Lili Lamms Remembrance Foundation, the Arctic Research Centre at Umeå University (ARCUM), and the Climate Impacts Research Centre (CIRC). AP is supported by CONICYT, Chile grant PFB-23 and the Ministry of Economy, Chile grant ICM P05-002. FE and WR acknowledge support from the Environment Agency Austria. AM, AP, JL and MN acknowledge support from the Swedish Research Council (VR 2012-6252). Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. This manuscript is US Geological Survey Amphibian Research and Monitoring Initiative product no. 534.
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Pauchard, A., Milbau, A., Albihn, A. et al. Non-native and native organisms moving into high elevation and high latitude ecosystems in an era of climate change: new challenges for ecology and conservation. Biol Invasions 18, 345–353 (2016). https://doi.org/10.1007/s10530-015-1025-x
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DOI: https://doi.org/10.1007/s10530-015-1025-x