Just Add Water and Stir: An Artificial Suburban Lake Develops Into an Important Moulting Site for Large-Bodied Herbivorous Wildfowl

Kevin Kuhlmann Clausen, Per Nissen Grøn, Henning Lykke Larsen, Preben Clausen, Anthony David Fox

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Abstract

Egø Engsø is an artificial Danish suburban lake created in 2006, primarily for nutrient retention and flood control. Expanding submerged macrophyte cover (dominated by Stoneworts Chara spp. and Pondweeds Potamogeton spp.) attracted moulting concentrations of 600 mute swans Cygnus olor, 1100 greylag geese Anser anser and 280 Canada geese Branta canadensis. These unexpected additions to the avifauna benefit from reliable food supplies and effective protection from recreational disturbance on and near the water surface. Egø Engsø is a model of enabling intense human activity at a waterbird moulting site, and confirming appropriate planning can accommodate multiple functional objectives following wetland creation.
Original languageEnglish
Article numbere70002
JournalAquatic Conservation: Marine and Freshwater Ecosystems
Volume34
Issue10
ISSN1099-0755
DOIs
Publication statusPublished - Oct 2024

Keywords

  • Canada goose
  • artificial wetlands
  • greylag goose
  • lake creation
  • macrophytes
  • mute swan

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