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Contribution of water birds to nutrient loading to the ecosystem of mesotrophic reservoir
Subtitle:Contribution of water birds to nutrient loading
Creator: Contributor:Polska Akademia Nauk. Instytut Ekologii
Publisher:Oficyna Wydawnicza Instytutu Ekologii PAN
Place of publishing: Date issued/created: Description:Pages 289-297 : illustrations ; 24 cm ; Bibliographical references (pages 296-297) ; Abstract in Polish
Type of object: Subject and Keywords:Larus ridibundus ; Anas platyrhynchos ; defecation ; phosphorus ; nitrogen ; eutrophication
Abstract:One gram of the faeces of the black-headed gull (Larus ridibundus L.) and of mallard (Anas platyrhynchos L.) contains 78.6 mg P and 72.4 mg N and 8.5 mg P and 53.1 mg N respectively. The gull and the mallard defecated 0.96 g P and 0.88 g of N and 0.42 and 2.62 g per day per individual respectively. The participation of waterfowl in the nutrient loading to the reservoir was small (less than 1% of only inorganic P and N). The mallard significantly affects phosphorus and nitrogen cycling in the reservoir, and the gulls increase the phosphorus resources there.
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Language: Language of abstract: Rights:Creative Commons Attribution BY 3.0 PL license
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Digitizing institution:Museum and Institute of Zoology of the Polish Academy of Sciences
Original in:Library of the Museum and Institute of Zoology of the Polish Academy of Sciences
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