WI - Cormorant Research Group Books & Monographs 30-12-2002
van Eerden M. R., K. Koffijberg and Platteeuw M.
Riding on the crest of the wave
Possibilities and limitations for a thriving population of
Cormorants (Phalacrocorax carbo) in man-dominated wetlands
Ardea, vol. 83 (1), pp. 1-338
Journal of the Netherlands Ornithologists' Union
This book can be obtained from the:

Netherlands Ornithologists' Union


Dfl. 35.00 (incl. p. & p.) inside The Netherlands

Dfl. 50.00 (incl. p. & p.) outside The Netherlands

postal giro account 125347
Netherlandse Ornithologische Unie
Oegstgeest, The Netherlands
This book gives an update of the knowledge about Cormorants Phalacrocorax carbo, one of man's oldest avian competitors for a common resource: fish.

In a European context, 32 papers written by scientists thoroughly working in the field of ethology, population biology, ecology and toxicology give an overview of what is known and, perhaps even more important, formulate questions for future research. Present in Europe in two subspecies carbo and sinensis which behave differently with respect of choice of breeding site, migratory behaviour and population development, they provide an interesting comparison within the same species. The tremendous increase in numbers of the continental sinensis population is meticulously documented and eutrophication of the inland waters is suggested one of the reasons for it.

Riding on the crest of the wave describes the balance between resource availability and its use by free-living birds. Provided its protect d status the Cormorant had the opportunity to respond quickly, after ages of severe persecution. Now, nature itself shows signs of a feed-back by a stabilisation and even the local decline of sub-populations. Whether or not damage occurs to human interests on natural waterbodies remains a matter of dispute, which clearly deserves further attention. This issue provides the basic data relevant for both the discussion and may serve as a start for future work.

ISBN 90-9008356-1
Published 1995

Contents

Foreword    
Introduction    
Van Eerden M.R., K. Koffijberg & M. Platteeuw. Riding on the crest of the wave: possibilities and limitations for a thriving population of migratory Cormorants Phalacrocorax carbo in man-dominated wetlands 1
Behaviour and morphology    
Kortlandt A. Patterns of pair-formation and nest-building in the European Cormorant Phalacrocorax carbo sinensis 11
Sellers R.M. Wing-spreading behaviour of the Cormorant Phalacrocorax carbo sinensis 27
Koffijberg K. & M.R. Van Eerden Sexual dimorphism in the Cormorant Phalacrocorax carbo sinensis: possible implications for differences in structural size 37
Population developments    
Debout, G., N. Røv & R.M. Sellers Status and population development of Cormorants Phalacrocorax carbo sinensis breeding on the Atlantic coast of Europe 47
Van Eerden M.R. & .J. Gregersen Long-term changes in the northwest European population of Cormorants Phalacrocorax carbo sinensis 61
Lindell L., M. Mellin, P. Musil, J. Przybysz & H. Zimmerman Status and population development of breeding Cormorants Phalacrocorax carbo sinensis of the central European flyway 81
Kirby J.S., A.S. Gilburn & R.M. Seller Status, distribution and habitat use by Cormorants Phalacrocorax carbo sinensis wintering in Britain 93
Marion L Where two subspecies meet: origin, habitat choice and niche segregation of Cormorants Phalacrocorax c. carbo and P. c. sinensis in the common wintering area (France), in relation to breeding isolation in Europe 103
Fish stock, diet assessment and feeding ecology
De Nie, H.W Changes in the inland fish populations in Europe and its consequences for the increase in the Cormorant Phalacrocorax carbo 115
Zijlstra, M. & M.R. Van Eerden Pellet production and the use of otoliths in determining the diet of Phalacrocorax carbo sinensis: trials with captive bird 123
Trauttmansdorff, J. & G. Wassermann Number of pellets produced by immature Cormorants Phalacrocorax carbo sinensis 133
Veldkamp R The use of chewing pads for estimating the consumption of cyprinids by Cormorants Phalacrocorax carbo sinensis 135
Van Dobben, W.H The food of the Cormorant Phalacrocorax carbo sinensis: old and new research compared 139
Veldkamp R Diet of Cormorants Phalacrocorax carbo sinensis at Wanneperveen, The Netherlands, with special reference to Bream Abramis brama 143
Warke G.M.A. & K.R. Day Changes in abundance of cyprinid and percid prey affect rate of predation by Cormorants Phalacrocorax carbo carbo Salmon Salmo salar smolt in Northern Ireland 157
Dirksen S., T..I. Boudewijn, R. Noordhuis & E.C.L. Marteijn Cormorants Phalacrocorax carbo sinensis in shallow eutrophic freshwater lakes: prey choice and fish consumption in the non-breeding period and effects of large-scale fish removal 167
Keller T. Food of Cormorants Phalacrocorax carbo sinensis wintering in Bavaria, southern Germany 185
Richner H. Wintering Cormorants Phalacrocorax carbo carbo in the Ythan estuary, Scotland: numerical and behavioural responses to fluctuating prey availability 193
Ecological bottlenecks and feeding strategies
Van Eerden. M.R., & B. Voslamber. Mass fishing by Cormorants Phalacrocorax carbo sinensis at lake lJsselmeer. The Netherlands: a recent and successful adaptation to a turbid environment 199
Voslamber B., M. Platteeuw & M.R. Van Eerden Solitary foraging in sand pits by breeding Cormorants Phalacrocorax carbo sinensis: does specialised knowledge about fishing sites and fish behaviour pay off'? 213
Platteeuw M. & M.R. Van Eerden Time and energy constraints of fishing behaviour in breeding Cormorants Phalacrocorax carbo sinensis at lake lJsselmeer, The Netherlands 223
Platteeuw M., K. Koffijberg & W. Dubbeldam Growth of Cormorant Phalacrocorax carbo sinensis chicks in relation to brood size, age ranking and parental fishing effort 235
Habitat selection and migration strategies
Musil P., J. Janda & H. De Nie Changes in abundance and selection of foraging habitat in Cormorants Phalacrocorax carbo in the South Bohemia (Czech republic) 247
Suter W. Are Cormorants Phalacrocorax carbo wintering in Switzerland approaching carrying capacity? An analysis of increase patterns and habitat choice 255
Yésou P. Individual migration strategies in Cormorants Phalacrocorax carbo passing through or wintering in western France 267
Reymond A. & O. Zuchuat Axial migration routes in Cormorants Phalacrocorax carbo passing through or wintering in Switzerland 275
Reymond A. & O. Zuchuat Perch fidelity of Cormorants Phalacrocorax carbo outside the breeding season 281
Van Eerden M-R. & M.J. Munsterman Sex and age dependent distribution in wintering Cormorants Phalacrocorax carbo sinensis in western Europe 285
Ecotoxicological aspects    
Van den Berg M., L.H.J. Craane, S. Van Mourik & A. Brouwer The (possible) impact of chlorinatecf dioxins (pcdds), dibenzofurans (pcdf-s) and biphenyls (pcbs) on the reproduction of the Cormorant Phalacrocorax carbo - an ecotoxicological approach 299
Platteeuw M., M.R. Van Eerden & K. Van de Guchte Variation in contaminant content of livers from Cormorants Phalacrocorax carbo sinensis living nearby a polluted sedimentation area in lake lJsselmeer, The Netherlands 315
Boudewijn T.J. & S. Dirksen Impact of contaminants on the breeding success of the Cormorant Phalacrocorax carbo sinensis in The Netherlands 325
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