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Université de Fribourg

MAcroecological Framework for Invasive Aliens (MAFIA): disentangling large-scale context dependence in biological invasions

Pyšek, Petr ; Bacher, Sven ; Kühn, Ingolf ; Novoa, Ana ; Catford, Jane A. ; Hulme, Philip E. ; Pergl, Jan ; Richardson, David M. ; Wilson, John R. U. ; Blackburn, Tim M.

In: NeoBiota, 2020, vol. 62, p. 407–461

Macroecology is the study of patterns, and the processes that determine those patterns, in the distribution and abundance of organisms at large scales, whether they be spatial (from hundreds of kilometres to global), temporal (from decades to centuries), and organismal (numbers of species or higher taxa). In the context of invasion ecology, macroecological studies include, for example,...

Université de Fribourg

Projecting the continental accumulation of alien species through to 2050

Seebens, Hanno ; Bacher, Sven ; Blackburn, Tim M. ; Capinha, César ; Dawson, Wayne ; Dullinger, Stefan ; Genovesi, Piero ; Hulme, Philip E. ; Kleunen, Mark ; Kühn, Ingolf ; Jeschke, Jonathan M. ; Lenzner, Bernd ; Liebhold, Andrew M. ; Pattison, Zarah ; Pergl, Jan ; Pyšek, Petr ; Winter, Marten ; Essl, Franz

In: Global Change Biology, 2020, p. gcb.15333

Biological invasions have steadily increased over recent centuries. However, we still lack a clear expectation about future trends in alien species numbers. In particular, we do not know whether alien species will continue to accumulate in regional floras and faunas, or whether the pace of accumulation will decrease due to the depletion of native source pools. Here, we apply a new model to...

Université de Fribourg

Scientists’ warning on invasive alien species

Pyšek, Petr ; Hulme, Philip E. ; Simberloff, Dan ; Bacher, Sven ; Blackburn, Tim M. ; Carlton, James T. ; Dawson, Wayne ; Essl, Franz ; Foxcroft, Llewellyn C. ; Genovesi, Piero ; Jeschke, Jonathan M. ; Kühn, Ingolf ; Liebhold, Andrew M. ; Mandrak, Nicholas E. ; Meyerson, Laura A. ; Pauchard, Aníbal ; Pergl, Jan ; Roy, Helen E. ; Seebens, Hanno ; Kleunen, Mark ; Vilà, Montserrat ; Wingfield, Michael J. ; Richardson, David M.

In: Biological Reviews, 2020, p. brv.12627

Biological invasions are a global consequence of an increasingly connected world and the rise in human population size. The numbers of invasive alien species – the subset of alien species that spread widely in areas where they are not native, affecting the environment or human livelihoods – are increasing. Synergies with other global changes are exacerbating current invasions and...

Université de Fribourg

Independent introductions of hedgehogs to the North and South Island of New Zealand

Pipek, Pavel ; Pyšek, Petr ; Bacher, Sven ; Bolfíková, Barbora Černá ; Hulme, Philip E.

In: New Zealand Journal of Ecology, 2020, vol. 44, no. 1, p. -

According to the most recent (2005) compendium on the history of the European hedgehog (Erinaceus europaeus) in New Zealand, this small insectivorous mammal was first brought from Europe to the South Island in the 19th century. This introduction has been presumed to be the source of hedgehogs that subsequently spread to the North Island. This view was informed by the absence of hedgehogs in...

Université de Fribourg

A conceptual framework for range-expanding species that track human-induced environmental change

Essl, Franz ; Dullinger, Stefan ; Genovesi, Piero ; Hulme, Philip E ; Jeschke, Jonathan M ; Katsanevakis, Stelios ; Kühn, Ingolf ; Lenzner, Bernd ; Pauchard, Aníbal ; Pyšek, Petr ; Rabitsch, Wolfgang ; Richardson, David M ; Seebens, Hanno ; van Kleunen, Mark ; van der Putten, Wim H ; Vilà, Montserrat ; Bacher, Sven

In: BioScience, 2019, vol. 69, no. 11, p. 908–919

For many species, human-induced environmental changes are important indirect drivers of range expansion into new regions. We argue that it is important to distinguish the range dynamics of such species from those that occur without, or with less clear, involvement of human-induced environmental changes. We elucidate the salient features of the rapid increase in the number of species whose...

Université de Fribourg

Which taxa are alien? Criteria, applications, and uncertainties

Essl, Franz ; Bacher, Sven ; Genovesi, Piero ; Hulme, Philip E. ; Jeschke, Jonathan M. ; Katsanevakis, Stelios ; Kowarik, Ingo ; Kühn, Ingolf ; Pyšek, Petr ; Rabitsch, Wolfgang ; Schindler, Stefan ; Kleunen, Mark van ; Vilà, Montserrat ; Wilson, John R. U. ; Richardson, David M.

In: BioScience, 2018, vol. 68, no. 7, p. 496–509

Human activities such as the transport of species to new regions and modifications of the environment are increasingly reshaping the distribution of biota. Accordingly, developing robust, repeatable, and consistent definitions of alien species that serve scientific and policy purposes has become of prime importance. We provide a set of classification criteria that are widely applicable across...

Université de Fribourg

More than “100 worst” alien species in Europe

Nentwig, Wolfgang ; Bacher, Sven ; Kumschick, Sabrina ; Pyšek, Petr ; Vilà, Montserrat

In: Biological Invasions, 2018, vol. 20, no. 6, p. 1611–1621

“One hundred worst” lists of alien species of the greatest concern proved useful for raising awareness of the risks and impacts of biological invasions amongst the general public, politicians and stakeholders. All lists so far have been based on expert opinion and primarily aimed at representativeness of the taxonomic and habitat diversity rather than at quantifying the harm the alien...

Université de Fribourg

A vision for global monitoring of biological invasions

Pyšek, Petr ; Jeschke, Jonathan M. ; Blackburn, Tim M. ; Bacher, Sven ; Capinha, César ; Costello, Mark J. ; Fernández, Miguel ; Gregory, Richard D. ; Hobern, Donald ; Hui, Cang ; Jetz, Walter ; Kumschick, Sabrina ; McGrannachan, Chris ; Pergl, Jan ; Roy, Helen E. ; Scalera, Riccardo ; Squires, Zoe E. ; R.U.Wilson, John ; Winter, Marten ; Genovesi, Piero ; McGeoch, Melodie A.

In: Biological Conservation, 2017, vol. 213, no. Part B, p. 295–308

Managing biological invasions relies on good global coverage of species distributions. Accurate information on alien species distributions, obtained from international policy and cross-border co-operation, is required to evaluate trans-boundary and trading partnership risks. However, a standardized approach for systematically monitoring alien species and tracking biological invasions is still...