Identification and size estimation of Spisula subtruncata and Ensis americanus from shell fragments in stomachs and faeces of common eiders Somateria mollissima and common eiders scoters Melanitta nigra
Leopold, M.; Spannenburg, P.C.; Verdaat, H.; Kats, R.K. H. (2007). Identification and size estimation of Spisula subtruncata and Ensis americanus from shell fragments in stomachs and faeces of common eiders Somateria mollissima and common eiders scoters Melanitta nigra, in: Kats, R.K. H. Common eiders Somateria mollissima in the Netherlands: the rise and fall of breeding and wintering populations in relation to stocks of shellfish. pp. 63-85
In: Kats, R.K. H. (2007). Common eiders Somateria mollissima in the Netherlands: the rise and fall of breeding and wintering populations in relation to stocks of shellfish. PhD Thesis. Rijksuniversiteit Groningen, Wiskunde en Natuurwetenschappen: Groningen. ISBN 978-90-367-3006-8. 336 pp., meer
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