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A global-scale screening of non-native aquatic organisms to identify potentially invasive species under current and future climate conditions
The Science of the total environment, 2021-09, Vol.788, p.147868-147868, Article 147868
2021

Details

Autor(en) / Beteiligte
Titel
A global-scale screening of non-native aquatic organisms to identify potentially invasive species under current and future climate conditions
Ist Teil von
  • The Science of the total environment, 2021-09, Vol.788, p.147868-147868, Article 147868
Ort / Verlag
Elsevier B.V
Erscheinungsjahr
2021
Link zum Volltext
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
  • The threat posed by invasive non-native species worldwide requires a global approach to identify which introduced species are likely to pose an elevated risk of impact to native species and ecosystems. To inform policy, stakeholders and management decisions on global threats to aquatic ecosystems, 195 assessors representing 120 risk assessment areas across all six inhabited continents screened 819 non-native species from 15 groups of aquatic organisms (freshwater, brackish, marine plants and animals) using the Aquatic Species Invasiveness Screening Kit. This multi-lingual decision-support tool for the risk screening of aquatic organisms provides assessors with risk scores for a species under current and future climate change conditions that, following a statistically based calibration, permits the accurate classification of species into high-, medium- and low-risk categories under current and predicted climate conditions. The 1730 screenings undertaken encompassed wide geographical areas (regions, political entities, parts thereof, water bodies, river basins, lake drainage basins, and marine regions), which permitted thresholds to be identified for almost all aquatic organismal groups screened as well as for tropical, temperate and continental climate classes, and for tropical and temperate marine ecoregions. In total, 33 species were identified as posing a ‘very high risk’ of being or becoming invasive, and the scores of several of these species under current climate increased under future climate conditions, primarily due to their wide thermal tolerances. The risk thresholds determined for taxonomic groups and climate zones provide a basis against which area-specific or climate-based calibrated thresholds may be interpreted. In turn, the risk rankings help decision-makers identify which species require an immediate ‘rapid’ management action (e.g. eradication, control) to avoid or mitigate adverse impacts, which require a full risk assessment, and which are to be restricted or banned with regard to importation and/or sale as ornamental or aquarium/fishery enhancement. [Display omitted] •A global approach is required to identify invasive species posing high risk impact.•195 assessors screened 819 non-native species from 15 groups of aquatic organisms.•Risk thresholds were identified for 14 aquatic organism groups.•The resulting risk thresholds and rankings will help management and conservation.
Sprache
Englisch; Norwegisch
Identifikatoren
ISSN: 0048-9697, 1879-1026
eISSN: 1879-1026
DOI: 10.1016/j.scitotenv.2021.147868
Titel-ID: cdi_swepub_primary_oai_slubar_slu_se_112021
Format
–
Schlagworte
AS-ISK, Climate change, Continental interfaces, environment, Decision support tools, Ecology, Ekologi, Hazard identification, Non-native species, Risk analysis, Sciences of the Universe

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