Alien species in Norway: results from quantitative ecological impact assessments
1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in local biodiversity and ecosystem functioning, and, ultimately, to biotic homogeni...
Published in: | Ecological Solutions and Evidence |
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Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
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British Ecological Society
2020
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Subjects: | |
Online Access: | https://hdl.handle.net/11250/2661609 https://doi.org/10.1002/2688-8319.12006 |
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Norwegian Institute for Water research: NIVA Open Access Archive (Brage) |
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English |
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Invasjonsbiologi Invasion biology VDP::Økologi: 488 VDP::Ecology: 488 |
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Invasjonsbiologi Invasion biology VDP::Økologi: 488 VDP::Ecology: 488 Sandvik, Hanno Hilmo, Olga Henriksen, Snorre Elven, Reidar Åsen, Per Arvid Hegre, Hanne Pedersen, Oddvar Pedersen, Per Anker Solstad, Heidi Vandvik, Vigdis Westergaard, Kristine Bakke Ødegaard, Frode Åström, Sandra Charlotte Helene Elven, Hallvard Endrestøl, Anders Gammelmo, Øivind Hatteland, Bjørn Arild Solheim, Halvor Nordén, Björn Sundheim, Leif Talgø, Venche Falkenhaug, Tone Gulliksen, Bjørn Jelmert, Anders Oug, Eivind Sundet, Jan Henry Forsgren, Elisabet Finstad, Anders Gravbrøt Hesthagen, Trygve H. Nedreaas, Kjell Harald Wienerroither, Rupert Husa, Vivian Fredriksen, Stein Sjøtun, Kjersti Steen, Henning Hansen, Haakon Hamnes, Inger Sofie Karlsbakk, Egil Magnusson, Christer Ytrehus, Bjørnar Pedersen, Hans Christian Swenson, Jon Syvertsen, Per Ole Stokke, Bård Gunnar Gjershaug, Jan Ove Dolmen, Dag Kjærstad, Gaute Johnsen, Stein Ivar Jensen, Thomas Correll Hassel, Kristian Alien species in Norway: results from quantitative ecological impact assessments |
topic_facet |
Invasjonsbiologi Invasion biology VDP::Økologi: 488 VDP::Ecology: 488 |
description |
1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in local biodiversity and ecosystem functioning, and, ultimately, to biotic homogenisation. 2. We risk-assessed all alien plants, animals, fungi and algae, within certain delimitations, that are known to reproduce in Norway. Mainland Norway and the Arctic archipelago of Svalbard plus Jan Mayen were treated as separate assessment areas. Assessments followed the Generic Ecological Impact Assessment of Alien Species (GEIAA) protocol, which uses a fully quantitative set of criteria. 3. A total of 1519 species were risk-assessed, of which 1183 were species reproducing in mainland Norway. Among these, 9% were assessed to have a severe impact, 7% high impact, 7% potentially high impact, and 49% low impact, whereas 29% had no known impact. In Svalbard, 16 alien species were reproducing, one of which with a severe impact. 4. The impact assessments also covered 319 so-called door-knockers, i.e. species that are likely to establish in Norway within 50 years, and 12 regionally alien species. Of the door-knockers, 8% and 10% were assessed to have a severe and high impact, respectively. 5. The impact category of most species was driven by negative interactions with native species, transformation of threatened ecosystems, or genetic contamination. The proportion of alien species with high or severe impact varied significantly across the different pathways of introduction, taxonomic groups, time of introduction, and the environments colonised, but not across continents of origin. 6. Given the large number of alien species reproducing in Norway and the preponderance of species with low impact, it is neither realistic nor necessary to eradicate all of them. Our results can guide management authorities in two ways. First, the use of quantitative assessment criteria facilitates the prioritisation of management resources ... |
format |
Article in Journal/Newspaper |
author |
Sandvik, Hanno Hilmo, Olga Henriksen, Snorre Elven, Reidar Åsen, Per Arvid Hegre, Hanne Pedersen, Oddvar Pedersen, Per Anker Solstad, Heidi Vandvik, Vigdis Westergaard, Kristine Bakke Ødegaard, Frode Åström, Sandra Charlotte Helene Elven, Hallvard Endrestøl, Anders Gammelmo, Øivind Hatteland, Bjørn Arild Solheim, Halvor Nordén, Björn Sundheim, Leif Talgø, Venche Falkenhaug, Tone Gulliksen, Bjørn Jelmert, Anders Oug, Eivind Sundet, Jan Henry Forsgren, Elisabet Finstad, Anders Gravbrøt Hesthagen, Trygve H. Nedreaas, Kjell Harald Wienerroither, Rupert Husa, Vivian Fredriksen, Stein Sjøtun, Kjersti Steen, Henning Hansen, Haakon Hamnes, Inger Sofie Karlsbakk, Egil Magnusson, Christer Ytrehus, Bjørnar Pedersen, Hans Christian Swenson, Jon Syvertsen, Per Ole Stokke, Bård Gunnar Gjershaug, Jan Ove Dolmen, Dag Kjærstad, Gaute Johnsen, Stein Ivar Jensen, Thomas Correll Hassel, Kristian |
author_facet |
Sandvik, Hanno Hilmo, Olga Henriksen, Snorre Elven, Reidar Åsen, Per Arvid Hegre, Hanne Pedersen, Oddvar Pedersen, Per Anker Solstad, Heidi Vandvik, Vigdis Westergaard, Kristine Bakke Ødegaard, Frode Åström, Sandra Charlotte Helene Elven, Hallvard Endrestøl, Anders Gammelmo, Øivind Hatteland, Bjørn Arild Solheim, Halvor Nordén, Björn Sundheim, Leif Talgø, Venche Falkenhaug, Tone Gulliksen, Bjørn Jelmert, Anders Oug, Eivind Sundet, Jan Henry Forsgren, Elisabet Finstad, Anders Gravbrøt Hesthagen, Trygve H. Nedreaas, Kjell Harald Wienerroither, Rupert Husa, Vivian Fredriksen, Stein Sjøtun, Kjersti Steen, Henning Hansen, Haakon Hamnes, Inger Sofie Karlsbakk, Egil Magnusson, Christer Ytrehus, Bjørnar Pedersen, Hans Christian Swenson, Jon Syvertsen, Per Ole Stokke, Bård Gunnar Gjershaug, Jan Ove Dolmen, Dag Kjærstad, Gaute Johnsen, Stein Ivar Jensen, Thomas Correll Hassel, Kristian |
author_sort |
Sandvik, Hanno |
title |
Alien species in Norway: results from quantitative ecological impact assessments |
title_short |
Alien species in Norway: results from quantitative ecological impact assessments |
title_full |
Alien species in Norway: results from quantitative ecological impact assessments |
title_fullStr |
Alien species in Norway: results from quantitative ecological impact assessments |
title_full_unstemmed |
Alien species in Norway: results from quantitative ecological impact assessments |
title_sort |
alien species in norway: results from quantitative ecological impact assessments |
publisher |
British Ecological Society |
publishDate |
2020 |
url |
https://hdl.handle.net/11250/2661609 https://doi.org/10.1002/2688-8319.12006 |
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ENVELOPE(20.000,20.000,78.000,78.000) |
geographic |
Arctic Jan Mayen Norway Svalbard Svalbard |
geographic_facet |
Arctic Jan Mayen Norway Svalbard Svalbard |
genre |
Arctic Archipelago Arctic Jan Mayen Svalbard |
genre_facet |
Arctic Archipelago Arctic Jan Mayen Svalbard |
op_source |
12 1 Ecological Solutions and Evidence |
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http://dx.doi.org/10.1002/2688-8319.12006 Artsdatabanken: Fremmede arter Ecological Solutions and Evidence. 2020, 1, e12006. urn:issn:2688-8319 https://hdl.handle.net/11250/2661609 https://doi.org/10.1002/2688-8319.12006 cristin:1807415 |
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Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no 2020 The Authors |
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CC-BY |
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https://doi.org/10.1002/2688-8319.12006 |
container_title |
Ecological Solutions and Evidence |
container_volume |
1 |
container_issue |
1 |
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1766303087881879552 |
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ftnorskinstvf:oai:niva.brage.unit.no:11250/2661609 2023-05-15T14:28:58+02:00 Alien species in Norway: results from quantitative ecological impact assessments Fremmede arter i Norge: resultater fra kvantitative økologiske risikovurderinger Sandvik, Hanno Hilmo, Olga Henriksen, Snorre Elven, Reidar Åsen, Per Arvid Hegre, Hanne Pedersen, Oddvar Pedersen, Per Anker Solstad, Heidi Vandvik, Vigdis Westergaard, Kristine Bakke Ødegaard, Frode Åström, Sandra Charlotte Helene Elven, Hallvard Endrestøl, Anders Gammelmo, Øivind Hatteland, Bjørn Arild Solheim, Halvor Nordén, Björn Sundheim, Leif Talgø, Venche Falkenhaug, Tone Gulliksen, Bjørn Jelmert, Anders Oug, Eivind Sundet, Jan Henry Forsgren, Elisabet Finstad, Anders Gravbrøt Hesthagen, Trygve H. Nedreaas, Kjell Harald Wienerroither, Rupert Husa, Vivian Fredriksen, Stein Sjøtun, Kjersti Steen, Henning Hansen, Haakon Hamnes, Inger Sofie Karlsbakk, Egil Magnusson, Christer Ytrehus, Bjørnar Pedersen, Hans Christian Swenson, Jon Syvertsen, Per Ole Stokke, Bård Gunnar Gjershaug, Jan Ove Dolmen, Dag Kjærstad, Gaute Johnsen, Stein Ivar Jensen, Thomas Correll Hassel, Kristian 2020 application/pdf https://hdl.handle.net/11250/2661609 https://doi.org/10.1002/2688-8319.12006 eng eng British Ecological Society http://dx.doi.org/10.1002/2688-8319.12006 Artsdatabanken: Fremmede arter Ecological Solutions and Evidence. 2020, 1, e12006. urn:issn:2688-8319 https://hdl.handle.net/11250/2661609 https://doi.org/10.1002/2688-8319.12006 cristin:1807415 Navngivelse 4.0 Internasjonal http://creativecommons.org/licenses/by/4.0/deed.no 2020 The Authors CC-BY 12 1 Ecological Solutions and Evidence Invasjonsbiologi Invasion biology VDP::Økologi: 488 VDP::Ecology: 488 Peer reviewed Journal article 2020 ftnorskinstvf https://doi.org/10.1002/2688-8319.12006 2023-03-01T23:44:15Z 1. Due to globalisation, trade and transport, the spread of alien species is increasing dramatically. Some alien species become ecologically harmful by threatening native biota. This can lead to irreversible changes in local biodiversity and ecosystem functioning, and, ultimately, to biotic homogenisation. 2. We risk-assessed all alien plants, animals, fungi and algae, within certain delimitations, that are known to reproduce in Norway. Mainland Norway and the Arctic archipelago of Svalbard plus Jan Mayen were treated as separate assessment areas. Assessments followed the Generic Ecological Impact Assessment of Alien Species (GEIAA) protocol, which uses a fully quantitative set of criteria. 3. A total of 1519 species were risk-assessed, of which 1183 were species reproducing in mainland Norway. Among these, 9% were assessed to have a severe impact, 7% high impact, 7% potentially high impact, and 49% low impact, whereas 29% had no known impact. In Svalbard, 16 alien species were reproducing, one of which with a severe impact. 4. The impact assessments also covered 319 so-called door-knockers, i.e. species that are likely to establish in Norway within 50 years, and 12 regionally alien species. Of the door-knockers, 8% and 10% were assessed to have a severe and high impact, respectively. 5. The impact category of most species was driven by negative interactions with native species, transformation of threatened ecosystems, or genetic contamination. The proportion of alien species with high or severe impact varied significantly across the different pathways of introduction, taxonomic groups, time of introduction, and the environments colonised, but not across continents of origin. 6. Given the large number of alien species reproducing in Norway and the preponderance of species with low impact, it is neither realistic nor necessary to eradicate all of them. Our results can guide management authorities in two ways. First, the use of quantitative assessment criteria facilitates the prioritisation of management resources ... Article in Journal/Newspaper Arctic Archipelago Arctic Jan Mayen Svalbard Norwegian Institute for Water research: NIVA Open Access Archive (Brage) Arctic Jan Mayen Norway Svalbard Svalbard ENVELOPE(20.000,20.000,78.000,78.000) Ecological Solutions and Evidence 1 1 |