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

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...

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Bibliographic Details
Published inAquatic conservation Vol. 34; no. 10
Main Authors Clausen, Kevin Kuhlmann, Grøn, Per Nissen, Larsen, Henning Lykke, Clausen, Preben, Fox, Anthony David
Format Journal Article
LanguageEnglish
Published Oxford Wiley Subscription Services, Inc 01.10.2024
Subjects
Aquatic birds
Aquatic plants
artificial wetlands
Avifauna
Canada goose
Flood control
Flood management
Food supply
Freshwater plants
greylag goose
lake creation
Lakes
macrophytes
Molting
Moulting
mute swan
Nutrient retention
Waterfowl
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Summary: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.
Bibliography:Funding
We gratefully acknowledge financial support from the Biodiversa2021‐763 project SPEAR: Scenarios for Protecting European Avian Redistribution, funded via the Innovation Fund Denmark under the BiodivProtect call from EU Biodiversa+.
ISSN:1052-7613
1099-0755
DOI:10.1002/aqc.70002