Tackling Invasive Alien Species in Europe: the top 20 issues

Caffrey, Joe; Baars, Jan-Robert; Barbour, Jenny H.; Boets, Pieter; Boon, Philip J.; Davenport, K.; Dick, Jaimie T. A.; Early, John W.; Edsman, Lennart; Gallagher, Cathal T.; Gross, Jackson A.; Heinimaa, Petri; Horrill, Chris; Hudin, Stéphanie; Hulme, Philip E.; Hynes, Stephen; MacIsaac, Hugh J.; McLoone, Paul; Millane, Michael; Moen, Toril Loennechen; Moore, Niall; Newman, J. R.; O’Conchuir, Ruairi; O’Farrell, Michael R.; O’Flynn, Colette; Oidtmann, Birgit; Renals, Trevor; Ricciardi, Anthony; Roy, Helen E.; Shaw, R.; Weyl, Olaf L. F.; Williams, Frances; Lucy, Frances E.

doi:10.3391/mbi.2014.5.1.01

Cited by 271 publications

(97 citation statements)

References 57 publications

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“…Our RIP biplots also allows for a clear visual comparison of the impact of multiple invaders in relation to their native comparators; such a straightforward methodology could allow for rapid risk assessment and prioritisation of potentially damaging invaders as, for example, is now required by recent EU legislation (EU Regulation No. 1143/2014) governing the management of invasive species (see also Caffrey et al 2014). …”

Section: Resultsmentioning

confidence: 99%

Assessing the ecological impacts of invasive species based on their functional responses and abundances

Laverty

Green

Dick³

et al. 2017

Biol Invasions

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Invasive species management requires allocation of limited resources towards the proactive mitigation of those species that could elicit the highest ecological impacts. However, we lack predictive capacity with respect to the identities and degree of ecological impacts of invasive species. Here, we combine the relative per capita effects and relative field abundances of invader as compared to native species into a new metric, ''Relative Impact Potential'' (RIP), and test whether this metric can reliably predict high impact invaders. This metric tests the impact of invaders relative to the baseline impacts of natives on the broader ecological community. We first derived the functional responses (i.e. per capita effects) of two ecologically damaging invasive fish species in Europe, the Ponto-Caspian round goby (Neogobius melanostomus) and Asian topmouth gudgeon (Pseudorasbora parva), and their native trophic analogues, the bullhead (Cottus gobio; also C. bairdi) and bitterling (Rhodeus amarus), towards several prey species. This establishes the existence and relative strengths of the predator-prey relationships. Then, we derived ecologically comparable field abundance estimates of the invader and native fish from surveys and literature. This establishes the multipliers for the above per capita effects. Despite both predators having known 123Biol Invasions (2017) 19:1653-1665 DOI 10.1007/s10530-017-1378 severe detrimental field impacts, their functional responses alone were of modest predictive power in this regard; however, incorporation of their abundances relative to natives into the RIP metric gave high predictive power. We present invader/native RIP biplots that provide an intuitive visualisation of comparisons among the invasive and native species, reflecting the known broad ecological impacts of the invaders. Thus, we provide a mechanistic understanding of invasive species impacts and a predictive tool for use by practitioners, for example, in risk assessments.

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Section: Resultsmentioning

confidence: 99%

Assessing the ecological impacts of invasive species based on their functional responses and abundances

Laverty

Green

Dick³

et al. 2017

Biol Invasions

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“…Therefore, there is currently an emphasis on developing predictive methodologies that allow robust forecasting of invasion impacts Simberloff et al 2013;Caffrey et al 2014;Dick et al 2014). Many hypotheses and impact prediction methodologies are not pre-emptive and do not take abiotic and biotic context dependency into account (Pimm 1989;Ricciardi 2003;Kulhanek et al 2011).…”

Section: Introductionmentioning

confidence: 99%

Predicting predatory impact of juvenile invasive lionfish (Pterois volitans) on a crustacean prey using functional response analysis: effects of temperature, habitat complexity and light regimes

et al. 2017

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The ecological implications of biotic interactions, such as predator-prey relationships, are often context-dependent. Comparative functional responses analysis can be used under different abiotic contexts to improve understanding and prediction of the ecological impact of invasive species. Pterois volitans (Lionfish) [Linnaeus 1758] is an established invasive species in the Caribbean and Gulf of Mexico, with a more recent invasion into the Mediterranean. Lionfish are generalist predators that impact a wide range of commercial and non-commercial species. Functional response analysis was employed to quantify interaction strength between lionfish and a generic prey species, the shrimp (Paleomonetes varians) [Leach 1814], under the contexts of differing temperature, habitat complexity and light wavelength. Lionfish have prey population destabilising Type II functional responses under all contexts examined. Significantly more prey were consumed at 26°C than at 22°C. Habitat complexity did not significantly alter the functional response parameters. Significantly more prey were consumed under white light and blue light than under red light. Attack rate was significantly higher under white light than under blue or red light. Light wavelength did not significantly change handling times. The impacts on prey populations through feeding rates may increase with concomitant temperature increase. As attack rates are very high at low habitat complexity this may elucidate the cause of high impact upon degraded reef ecosystems with lowdensity prey populations, although there was little protection conferred through habitat complexity. Only red light (i.e. dark) afforded any reduction in predation pressure. Management initiatives should account for these environmental factors when planning mitigation and prevention strategies.

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“…The lists should also serve as a national starting point for discussion on priority IAS species at the EU level, based on the new EU Regulation on IAS (Caffrey et al 2014, European Commission 2014. As the EU List has to take into account interests of individual member states, it will likely reflect to a large extent political interests rather than purely scientific assessment.…”

Section: Discussionmentioning

confidence: 99%

“…Blackburn et al 2014). Such a framework needs to be accompanied by a close cooperation between policy makers, researchers and practitioners in nature/biodiversity conservation and IAS management, to allow for harmonization of the information flow on IAS (Ricciardi et al 2000, Caffrey et al 2014.…”

Section: Scoring Species For Black Listsmentioning

confidence: 99%

“…Not only legislative tools are affecting the policy on IAS. To prevent the spread of alien species and restrict their trading, a significant component of policy and public involvement are voluntary codes of conduct developed for example for horticulture or sheltered under the Bern Convention (Heywood and Brunel 2011, Caffrey et al 2014, Halford et al 2014, Heywood 2014.…”

Section: Ias Regulation In Europe and In The Czech Republicmentioning

confidence: 99%

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Black, Grey and Watch Lists of alien species in the Czech Republic based on environmental impacts and management strategy

Pergl¹,

Sádlo²,

Petrusek³

et al. 2016

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Citation: Pergl J, Sádlo J, Petrusek A, Laštůvka Z, Musil J, Perglová I, Šanda R, Šefrová H, Šíma J, Vohralík V, Pyšek P (2016) Black, Grey and Watch Lists of alien species in the Czech Republic based on environmental impacts and management strategy. NeoBiota 28: 1-37. doi: 10.3897/neobiota.28.4824 AbstractAs legislation, research and management of invasive alien species (IAS) are not fully coordinated across countries or different stakeholder groups, one approach leading to more or less standardized activities is based on producing lists of prominent IAS that attain high level of concern and are a subject of priority monitoring and management. These so-called Black, Grey and Watch (alert) Lists represent a convenient starting point for setting priorities in prevention, early warning and management systems. It is important that these lists be based on transparent and robust criteria so as to accommodate interests and perception of impacts by groups of concerned authorities and stakeholders representing sectors as diverse as, e.g. forestry, horticulture, aquaculture, hunting, and nature conservation, and to justify possible trade NeoBiotaJan Pergl et al. / NeoBiota 28: 1-37 (2016) 2 restrictions. The principles for blacklisting need to be general enough to accommodate differences among taxonomic groups (plants, invertebrates, vertebrates) and invaded environments (e.g. aquatic, terrestrial, urban, suburban, seminatural), and must take into account invasion dynamics, the impact the IAS pose, and management strategies suitable for each particular invader.With these assumptions in mind, we synthesize available information to present Black, Grey and Watch Lists of alien species for the Czech Republic, with recommended categorized management measures for land managers, policy makers and other stakeholders. We took into account differences in the listed species' distribution, invasion status, known or estimated environmental impact, as well as possible management options, and apply these criteria to both plants and animals. Species with lower impact, but for which some level of management and regulation is desirable, are included on the Grey List. Some potentially dangerous species occurring in European countries with comparable climatic conditions, as well as those introduced in the past but without presently known wild populations in the Czech Republic, are listed on the Watch list. In total, there are 78 plant and 39 animal species on the Black List, 47 and 16 on the Grey List, and 25 and 27, respectively, on the Watch List. The multilayered approach to the classification of alien species, combining their impacts, population status and relevant management, can serve as a model for other countries that are in process of developing their Black Lists.

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Tackling Invasive Alien Species in Europe: the top 20 issues

Cited by 271 publications

References 57 publications

Assessing the ecological impacts of invasive species based on their functional responses and abundances

Assessing the ecological impacts of invasive species based on their functional responses and abundances

Predicting predatory impact of juvenile invasive lionfish (Pterois volitans) on a crustacean prey using functional response analysis: effects of temperature, habitat complexity and light regimes

Black, Grey and Watch Lists of alien species in the Czech Republic based on environmental impacts and management strategy

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