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Please use this identifier to cite or link to this item: http://hdl.handle.net/10400.5/1318

Title: The use of nasal markers for monitoring mallard populations
Authors: Fabião, António
Rodrigues, David
Figueiredo, Maria
Keywords: Anas platyrhynchos
mallard
nasal markers
nasal saddles
limitations
Issue Date: 2001
Publisher: The Wildlife Society
Citation: Rodrigues, D.J.C., Fabião, A.M.D. and Figueiredo, M.E.M.A. 2001. The use of nasal markers for monitoring Mallard populations. Pp. 316-318 in R. Field, R.J. Waren, H. Okarma, and P.R. Sievert (Eds.). Wildlife, Land, and People: Priorities for the 21st Century. Proceedings of the Second International Wildlife Management Congress. The Wildlife Society, Bethesda, Maryland, USA.
Abstract: We discuss the advantages and limitations of alphanumeric-coded nasal markers used for monitoring resident mallard populations. We tested two designs of nasal saddles, various colours, PVC tape of 2 thicknesses and ribber tape. The rctangular nasal saddle could disturb birds during feeding, so we changed it to a more anatomical design. The use of alphanumeric coded nasal markers was an efficient method for marking mallards in small wetlands with good visibility and for relatively short periods.
URI: http://hdl.handle.net/10400.5/1318
Appears in Collections:DEF - Comunicações em Actas de Conferências

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