Kjeller, Elsie, Jonas Waldenström, Johan Elmberg, and Gunnar Gunnarsson. 2024. “Herbivory on Aquatic Macrophytes by Geese and swans—a Review of Methods, Effects, and Management”. Ornis Svecica 34 (August). Lund, Sweden:119-37. https://doi.org/10.34080/os.v34.25271.