Don't judge species on their origins

Davis, Mark A.; Chew, Matthew K.; Hobbs, Richard J.; Lugo, Ariel E.; Ewel, John J.; Vermeij, Geerat J.; Brown, James H.; Rosenzweig, Michael L.; Gardener, Mark R.; Carroll, Scott P.; Thompson, Ken; Pickett, Steward T. A.; Stromberg, Juliet C.; Tredici, Peter Del; Suding, Katharine N.; Ehrenfeld, Joan G.; Grime, J. Philip; Mascaro, Joseph; Briggs, John C.

doi:10.1038/474153a

Cited by 804 publications

(616 citation statements)

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“…This has in some cases resulted in conflicts of interest issues relating to livelihood vulnerability and has led to wastage of limited funding (Davis et al 2011;McNeely 2011;Rai et al 2012). Focussed social studies can provide valuable insights that are helpful for developing shared goals for management and the means for achieving such goals (Kreuter et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Stakeholder perceptions and practices regarding Prosopis (mesquite) invasions and management in South Africa

Shackleton

Maitre

Richardson

2014

Ambio

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Invasive alien trees impact the environment and human livelihoods. The human dimensions of such invasions are less well understood than the ecological aspects, and this is hindering the development of effective management strategies. Semi-structured interviews were undertaken to investigate the knowledge and perceptions of Prosopis between different stakeholder groups. Chi-squared tests, Welch ANOVAs, and Principle Component Analyses were run. Factors such as land tenure and proximity to invasions were especially important for explaining differences in perceptions and practices relating to Prosopis among different stakeholder groups. Most respondents were aware of Prosopis and considered it to be invasive (i.e., spreading). Costs associated with Prosopis were perceived to exceed benefits, and most stakeholders wanted to see a reduction in the abundance of Prosopis stands. The mean total cost for the management of Prosopis was US$ 1914 year -1 per farm, where costs ranged from under US$ 10 to over UD$ 500 per ha based on invasion densities and objectives for control. The findings highlight the need for more effective management interventions.

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Section: Introductionmentioning

confidence: 99%

Stakeholder perceptions and practices regarding Prosopis (mesquite) invasions and management in South Africa

Shackleton

Maitre

Richardson

2014

Ambio

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“…Is this desirable and is it feasible? Since the issue of species introductions has advanced to an active discipline of research and management in the 1990s, the importance of regulating alien species invasions has been fiercely debated (for a recent example see Davis et al (2011) with subsequent correspondence and letters). While one side points out that species of a nonnative origin should not be generally dismissed because not all constitute a threat and many may be beneficial as a resource or in the ecosystem, the other side insists on "aggressive intervention" against the "most severe and fastest growing threat to biological diversity" (Lambertini et al, 2011).…”

Section: How To Manage Alien Species In the Wadden Sea?mentioning

confidence: 99%

Nonnative macrobenthos in the Wadden Sea ecosystem

Buschbaum

Lackschewitz

Reise

2012

Ocean & Coastal Management

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a b s t r a c tAn inventory in the Dutch-German-Danish Wadden Sea revealed a total of 66 nonnative (alien) taxa including 17 tentative cryptogenics in the brackish-marine macrobenthos until 2010, which is close to average compared with similar inventories from other coasts. Although the Wadden Sea is known for the largest sedimentary tidal flats in the world, most aliens encountered were fouling at harbor walls, pontoons in marinas, at hard structures for coastal defense but also in epibenthic mussel and oyster beds. Recent qualitative rapid assessments focusing on port localities have substantially improved knowledge on introduced species in the Wadden Sea. Nonnative species have pervaded algal and invertebrate communities, and the guild of suspension feeders became particularly strengthened by aliens which took advantage of a recent phase with relatively warm years. Most alien species were not directly introduced into the Wadden Sea but have spread secondarily from adjacent coasts with more active harbors or shellfish cultures. We suggest that aliens which have already established in the Wadden Sea ecosystem should be tolerated to avoid ongoing manipulations in eco-evolutionary developments in this protected nature area. Mitigation of the advancing tide of invasive aliens should focus on vector control (shipping and open aquacultures) as well as on early detection with attempts of eradication during the initial phase of invasions on a scale of the entire European Atlantic coast of which the Wadden Sea ecosystem is an integral part.

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“…Species, some authors argue, should not be judged by their origins, i.e., what is important is the ecological functions of species and not where species are from (Davis et al 2011). The idea of novel ecosystems has been recently criticized as not being well formulated, that it gives the sensation of giving up the fight against invasive species and that there are no explicit irreversible ecological thresholds, whereas in reality many ecosystems are successfully being conserved and restored (Murcia et al 2014).…”

Section: Eradication Of Invasive Speciesmentioning

confidence: 99%

Understanding Invasive Species in the Galapagos Islands

2018

Social and Ecological Interactions in the Galapagos Islands

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Don't judge species on their origins

Cited by 804 publications

References 9 publications

Stakeholder perceptions and practices regarding Prosopis (mesquite) invasions and management in South Africa

Stakeholder perceptions and practices regarding Prosopis (mesquite) invasions and management in South Africa

Nonnative macrobenthos in the Wadden Sea ecosystem

Understanding Invasive Species in the Galapagos Islands

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