Lemna minuta

Duenas, Manuel A.

doi:10.1079/cabicompendium.108968

Cited by 2 publications

(1 citation statement)

References 16 publications

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“…Least duckweed has been clearly capable of quickly spreading (Appendix 1) and occasionally replacing the native common duckweed (Paolacci, Jansen, & Harrison, 2018b). Least duckweed invasions have also been associated with mat formations leading to waterway clogging (Duenas, 2022); reduction in light and oxygen resulting in lower plant and invertebrate richness (Ceschin, 2020); and loss of recreational areas (Paolacci, Harrison, & Jansen, 2018b). Dotted duckweed is native to Southeastern Asia and Australia (Landolt, 1986), was accidentally introduced to the US state of Missouri around 1930, likely during aquarium supply transportation, and has expanded to several states ever since (Jacono & P ngsten, 2023) .…”

Section: Introductionmentioning

confidence: 99%

Range expansion risk for a newly established invasive duckweed species in Europe and Canada

Andrade-Pereira,

Cuddington

2024

Preprint

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Landoltia punctata is an invasive aquatic plant that has spread across the United States. Unlike native duckweeds, this species has developed herbicide resistance. As a result, invasion can lead to high management costs and the loss of recreational areas and natural habitats. The species has been recently found in Europe, and is also approaching the northern US border with Canada. We predicted the potential distribution of L. punctata in western Europe and Canada using presence-only data from the Global Biodiversity Information Facility as well as other literature records. We fit predictive models to this data using a Maxent approach. Since climate data based on surface lake water conditions are often more relevant to macrophytes than air temperature metrics, our models included both water and air temperature bioclimatic variables related to the life history of the species. Model comparisons confirmed a superior fit of lake temperatures to duckweed distribution records. The best fit model suggests a high habitat suitability for the species in most Western European countries and Western Canada. A moderate emission scenario suggests that in 2070 currently compatible areas will still be suitable, and that the Great Lakes region will become suitable. Preventive measures to avoid future spread of L. punctata are recommended in these locations to avoid impacts associated with this and similar duckweed species in Europe and the US.

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