Crossing Frontiers in Tackling Pathways of Biological Invasions

Essl, Franz; Bacher, Sven; Blackburn, Tim M.; Booy, Olaf; Brundu, G.; Brunel, Sarah; Cardoso, Ana Cristina; Eschen, René; Gallardo, Belinda; Galil, Bella S.; García‐Berthou, Emili; Genovesi, Piero; Groom, Quentin; Harrower, Colin; Hulme, Philip E.; Katsanevakis, Stelios; Kenis, Marc; Kühn, Ingolf; Kumschick, Sabrina; Martinou, Angeliki F.; Nentwig, Wolfgang; O’Flynn, Colette; Pagad, Shyama; Pergl, Jan; Pyšek, Petr; Rabitsch, Wolfgang; Richardson, David M.; Roques, Alain; Roy, Helen E.; Scalerà, Riccardo; Schindler, Stefan; Seebens, Hanno; Vanderhoeven, Sonia; Vilà, Montserrat; Wilson, John R.; Zenetos, Argyro; Jeschke, Jonathan M.

doi:10.1093/biosci/biv082

Cited by 211 publications

(221 citation statements)

References 57 publications

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“…For example, the introduction of rats onto remote islands by early explorers and traders resulted in the extinction or population decline of dozens of bird species, as well as other vertebrate and invertebrate taxa [3]. Biological invasions are continuing and rates appear largely unabated, with an increasing risk of new introductions worldwide [4,5]. In the United States, exotic species that have become invasive have been estimated to cost around US$120 billion annually [6].…”

Section: Introductionmentioning

confidence: 99%

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Corruption, development and governance indicators predict invasive species risk from trade

2016

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Invasive species have an enormous global impact, with international trade being the leading pathway for their introduction. Current multinational trade deals under negotiation will dramatically change trading partnerships and pathways. These changes have considerable potential to influence biological invasions and global biodiversity. Using a database of 47 328 interceptions spanning 10 years, we demonstrate how development and governance socio-economic indicators of trading partners can predict exotic species interceptions. For import pathways associated with vegetable material, a significantly higher risk of exotic species interceptions was associated with countries that are poorly regulated, have more forest cover and have surprisingly low corruption. Corruption and indicators such as political stability or adherence to rule of law were important in vehicle or timber import pathways. These results will be of considerable value to policy makers, primarily by shifting quarantine procedures to focus on countries of high risk based on their socio-economic status. Further, using New Zealand as an example, we demonstrate how a ninefold reduction in incursions could be achieved if socio-economic indicators were used to select trade partners. International trade deals that ignore governance and development indicators may facilitate introductions and biodiversity loss. Development and governance within countries clearly have biodiversity implications beyond borders.

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Section: Introductionmentioning

confidence: 99%

“…These invasive species are consequently of increasing concern to policy makers, international bodies, conservationists and public health officials [1,[4][5][6][7][8]. A primary facilitator in the movement and introduction of exotic or invasive species is international trade [4].…”

Section: Introductionmentioning

confidence: 99%

Corruption, development and governance indicators predict invasive species risk from trade

2016

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“…In addition to knowledge gaps, implementing pathway-centred prevention strategies and legislation can be challenging due to the sheer number of potential pathways Essl et al in press). To facilitate such action Hulme et al (2008) developed a framework that classifies the pathways of introduction into six categories based on their attributes (e.g.…”

Section: Introductionmentioning

confidence: 99%

Understanding and managing the introduction pathways of alien taxa: South Africa as a case study

et al. 2015

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For the effective prevention of biological invasions, the pathways responsible for introductions must be understood and managed. However introduction pathways, particularly for developing nations, However the number of new plant and vertebrate escapes has increased over time. Invertebrates have been deliberately released or unintentionally introduced as contaminants or stowaways. For invertebrates the number of release, contaminant and stowaway introductions has increased, and most contaminants and stowaways have become invasive. As effective screening procedures are in place for invertebrates released for biological control, the major threats for South Africa are from vertebrate and plant escapes and invertebrate contaminants and stowaways. We recommend improvements to risk assessment and education to prevent escapes, and prioritised inspection strategies to reduce stowaway and contaminant introductions. Finally, as introduction pathways and introduced taxa change temporally, biosecurity decisions need to be informed by information on current and future pathways.

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“…Recent European Union (EU) and United States of America (USA) legislation (EU Regulation 1143/ 2014 and Safeguarding the Nation from the Impacts of Invasive Species -amendment to Executive Order 13112, respectively) seek to prevent, control and eradicate IAS within both territories. In order to develop comprehensive IAS prevention and control measures, species risk assessments must consider not only broad invasion pathway categories, but also specific vectors (Essl et al, 2015). Currently, however, our understanding of the natural dispersal processes operating between hydrologically unconnected water bodies remains limited (Soomers et al, 2013;Incagnone et al, 2015;Coughlan et al, 2017a).…”

Section: Introductionmentioning

confidence: 99%

Zoochorous dispersal of freshwater bivalves: an overlooked vector in biological invasions?

Coughlan

Stevens

Kelly

et al. 2017

Knowl. Manag. Aquat. Ecosyst.

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-Vectors that underpin the natural dispersal of invasive alien species are frequently unknown. In particular, the passive dispersal (zoochory) of one organism (or propagule) by another, usually more mobile animal, remains poorly understood. Field observations of the adherence of invasive freshwater bivalves to other organisms have prompted us to assess the importance of zoochory in the spread of three prolific invaders: zebra mussel Dreissena polymorpha; quagga mussel Dreissena bugensis; and Asian clam Corbicula fluminea. An extensive, systematic search of the literature was conducted across multiple on-line scientific databases using various search terms and associated synonyms. In total, only five publications fully satisfied the search criteria. It appears that some fish species can internally transport viable adult D. polymorpha and C. fluminea specimens. Additionally, literature indicates that veligers and juvenile D. polymorpha can adhere to the external surfaces of waterbirds. Overall, literature suggests that zoochorous dispersal of invasive bivalves is possible, but likely a rare occurrence. However, even the establishment of a few individuals (or a single self-fertilising C. fluminea specimen) can, over-time, result in a substantial population. Here, we highlight knowledge gaps, identify realistic opportunities for data collection, and suggest management protocols to mitigate the spread of invasive alien species.Keywords: ectozoochory / endozoochory / freshwater ecosystems / ichthyochory / invasive alien / secondary spread Résumé -Zoochorie de bivalves d'eau douce ; un vecteur négligé dans les invasions biologiques ?Les vecteurs qui sous-tendent la dispersion naturelle des espèces exotiques envahissantes sont souvent inconnus. En particulier, la dispersion passive (zoochorie) d'un organisme (ou propagule) par un autre, habituellement plus mobile, reste mal comprise. Les observations sur le terrain de l'adhésion des bivalves d'eau douce envahissants à d'autres organismes nous ont incité à évaluer l'importance de la zoochorie dans la propagation de trois envahisseurs prolifiques : la moule zébrée Dreissena polymorpha ; Moule Quagga Dreissena bugensis ; et la palourde asiatique Corbicula fluminea. Une recherche approfondie et systématique de la littérature a été menée dans de multiples bases de données scientifiques en ligne utilisant différents termes de recherche et synonymes associés. Au total, seulement cinq publications ont pleinement satisfait les critères de recherche. Il semble que certaines espèces de poissons puissent transporter intérieurement des spécimens adultes viables de D. polymorpha et C. fluminea. En outre, la littérature indique que les véligères et les D. polymorpha juvéniles peuvent adhérer aux surfaces externes des oiseaux d'eau. Dans l'ensemble, la littérature suggère que la dispersion par zoochorie des bivalves invasifs est possible, mais probablement une occurrence rare. Cependant, même l'établissement de quelques individus (ou un seul spécimen autofécondant de C. flumin...

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Crossing Frontiers in Tackling Pathways of Biological Invasions

Cited by 211 publications

References 57 publications

Corruption, development and governance indicators predict invasive species risk from trade

Corruption, development and governance indicators predict invasive species risk from trade

Understanding and managing the introduction pathways of alien taxa: South Africa as a case study

Zoochorous dispersal of freshwater bivalves: an overlooked vector in biological invasions?

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