Modelling the risks of Nymphoides peltata spread in Swedish lakes

James Weldon

doi:10.54612/a.nmtj4tgmer

Modelling the risks of Nymphoides peltata spread in Swedish lakes

James Weldon

Institutionen för vatten och miljö

Publikation: Bok/rapport/proceedings › Rapport › Forskning

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Sammanfattning

Modellering är ett värdefullt verktyg för att identifiera områden som löper störst risk för spridning av potentiellt skadliga arter. Här modellerar vi de miljöfaktorer som styr utbredningen av en skadlig art som orsakar bekymmer, och som för närvarande endast finns på ett begränsat antal platser i Sverige: den akvatiska makrofyten N. peltata (sjögull). De viktigaste faktorerna som avgör risken för etablering är vattenkemi (tillräckligt med kalcium krävs), temperatur (arten begränsas delvis av kallare temperaturer i Sverige) och konnektiviteten till andra vatten. Resultaten visar att det finns potentiellt ett stort antal sjöar i mellersta till södra Sverige där N. peltata skulle kunna etablera populationer, med oönskade konsekvenser för biologisk mångfald och rekreation.

Originalspråk	Engelska
Förlag	Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences
Antal sidor	23
DOI	https://doi.org/10.54612/a.nmtj4tgmer
Status	Publicerad - 2024

Publikationsserier

Serie	Rapport / Sveriges lantbruksuniversitet, Institutionen för vatten och miljö
Numrering	2024:15

SLU-serie

Rapport (Institutionen för vatten och miljö)

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10.54612/a.nmtj4tgmer

FulltextSlutlig publicerad version, 8,15 MBLicens: CC BY-NC

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title = "Modelling the risks of Nymphoides peltata spread in Swedish lakes",

abstract = "Species distribution modelling is a valuable tool for identifying areas most at risk of the spread of potentially harmful species. Here we model the environmental factors governing the distribution of a harmful species of concern that is currently found in Sweden at only a limited number of locations: the aquatic macrophyte N. peltata (sj{\"o}gull). The most important factors determining risk of establishment are water chemistry (sufficient amounts of calcium is required), temperature (the species is partly limited by colder temperatures in Sweden) and connectivity to other water bodies. The results how that there are potentially a large number of lakes in mid to southern Sweden where N. peltata could establish populations, with undesirable consequences for biodiversity and recreation.",

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