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Breeding birds on organic and conventional arable farms

Kragten, S.

Citation

Kragten, S. (2009, December 2). Breeding birds on organic and conventional arable farms. Retrieved from https://hdl.handle.net/1887/14458

Version: Not Applicable (or Unknown)

License: Licence agreement concerning inclusion of doctoral thesis in the Institutional Repository of the University of Leiden Downloaded from: https://hdl.handle.net/1887/14458

Note: To cite this publication please use the final published version (if applicable).

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Breeding birds on organic and conventional arable farms

Steven Kragten

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© Steven Kragten

Breeding birds on organic and conventional arable farms PhD-thesis Leiden University, The Netherlands

With references and summary in English and Dutch Thesis Leiden University

Photographs: Steven Kragten and Krijn Trimbos Printed by Smart Printing Solutions International

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Breeding birds on organic and conventional arable farms

Broedvogels op biologische en gangbare akkerbouwbedrijven

PROEFSCHRIFT

ter verkrijging van

de graad van Doctor aan de Universiteit Leiden,

op gezag van de Rector Magnificus prof. mr. P. F. van der Heijden, volgens besluit van het College voor Promoties

te verdedigen op woensdag 2 december 2009 klokke 15.00 uur

door Steven Kragten geboren te Utrecht

in 1977

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Promotiecommissie Promotor:

Prof. Dr. G. R. de Snoo Universiteit Leiden

Overige leden:

Prof. Dr. F. Berendse Wageningen Universiteit Prof. Dr. J. Bengtsson Swedish Agricultural University Prof. Dr. T. Piersma Rijksuniversiteit Groningen Prof. Dr. H. A. Udo de Haes Universiteit Leiden

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Table of contents

Summary 7

Chapter 1 General introduction 13

Chapter 2 Field-breeding birds on organic and conventional arable 31 farms in the Netherlands

S. Kragten and G.R de Snoo

Chapter 3 Breeding barn swallows Hirundo rustica on organic and 49 conventional arable farms in the Netherlands

S. Kragten, E. Reinstra and E. Gertenaar

Chapter 4 Nest success of lapwings Vanellus vanellus on organic and 61 conventional arable farms in the Netherlands

S. Kragten and G.R. de Snoo

Chapter 5 Breeding skylarks (Alauda arvensis) on organic and 85 conventional arable farms in the Netherlands

S. Kragten, K.B. Trimbos and G.R. de Snoo

Chapter 6 The effectiveness of volunteer nest protection on the nest 101 success of northern lapwings Vanellus vanellus on Dutch arable farms

S. Kragten, J.C. Nagel and G.R. de Snoo

Chapter 7 Abundance of invertebrate prey for birds on organic and 121 conventional arable farms in the Netherlands

S. Kragten, W.L.M. Tamis, E. Gertenaar, S.M. Midcap Ramiro, R.J. van der Poll, J. Wang and G.R. de Snoo

Chapter 8 Conclusions and discussion 145

Samenvatting 161

Curriculum vitae 167

Publicatielijst 169

Nawoord 173

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