Scientists' warning on invasive alien species
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Machine scores (provisional)
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
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- Teacher spread
- 0.084 · how far apart the two teachers sit on this one work
- Validation status
score_only:v0-immature-baseline· verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it
Abstract
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 facilitating new ones, thereby escalating the extent and impacts of invaders. Invasions have complex and often immense long-term direct and indirect impacts. In many cases, such impacts become apparent or problematic only when invaders are well established and have large ranges. Invasive alien species break down biogeographic realms, affect native species richness and abundance, increase the risk of native species extinction, affect the genetic composition of native populations, change native animal behaviour, alter phylogenetic diversity across communities, and modify trophic networks. Many invasive alien species also change ecosystem functioning and the delivery of ecosystem services by altering nutrient and contaminant cycling, hydrology, habitat structure, and disturbance regimes. These biodiversity and ecosystem impacts are accelerating and will increase further in the future. Scientific evidence has identified policy strategies to reduce future invasions, but these strategies are often insufficiently implemented. For some nations, notably Australia and New Zealand, biosecurity has become a national priority. There have been long-term successes, such as eradication of rats and cats on increasingly large islands and biological control of weeds across continental areas. However, in many countries, invasions receive little attention. Improved international cooperation is crucial to reduce the impacts of invasive alien species on biodiversity, ecosystem services, and human livelihoods. Countries can strengthen their biosecurity regulations to implement and enforce more effective management strategies that should also address other global changes that interact with invasions.
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The record
- Venue
- Biological reviews/Biological reviews of the Cambridge Philosophical Society
- Topic
- Species Distribution and Climate Change
- Field
- Environmental Science
- Canadian institutions
- University of Toronto
- Funders
- Universiteit StellenboschNatural Environment Research CouncilAkademie Věd České RepublikyComisión Nacional de Investigación Científica y TecnológicaMinistry of Business, Innovation and EmploymentAustrian Science FundBundesministerium für Bildung und ForschungMinisterio de Ciencia, Innovación y UniversidadesGrantová Agentura České RepublikySight Research UKDeutsche ForschungsgemeinschaftNational Research FoundationBelmont ForumSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungBiodiversa+U.S. Forest ServiceAgence Nationale de la RechercheU.S. Department of AgricultureFondo de Fomento al Desarrollo Científico y TecnológicoErnest Oppenheimer Memorial TrustNational Science Foundation
- Keywords
- AlienAlien speciesInvasive speciesGeographyEcologyBiologyMedicineEnvironmental health
- Has abstract in OpenAlex
- yes