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Auteur Niko M. Groen |
Documents disponibles écrits par cet auteur (4)
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Article
Niko M. Groen, Auteur ; Rosemarie Kentie, Auteur ; Petra de Goeij, Auteur ; Bram Verheijen, Auteur ; Jos C. E. W. Hooijmeijer, Auteur ; Theunis Piersma, AuteurFor a long time, agricultural areas had considerable ornithological value, an ecological richness which in The Netherlands was epitomised by the term 'meadow birds'. However, over the last half century, agricultural intensification has negativel[...]![]()
Article
Pedro M. Lourenço, Auteur ; Rosemarie Kentie, Auteur ; Julia Schroeder, Auteur ; José A. Alves, Auteur ; Niko M. Groen, Auteur ; Jos C. E. W. Hooijmeijer, Auteur ; Theunis Piersma, AuteurBetween 2005/06 and 2008/09 we studied Black-tailed Godwits Limosa I. limosa staging in the rice fields surrounding the Tejo and Sado estuaries, Portugal. Godwits were counted weekly and flocks were scanned for colour-ringed individuals. We anal[...]![]()
Article
Pedro M. Lourenço, Auteur ; Rosemarie Kentie, Auteur ; Julia Schroeder, Auteur ; Niko M. Groen, Auteur ; Jos C. E. W. Hooijmeijer, Auteur ; Theunis Piersma, AuteurWhen early breeding is advantageous, migrants underway to the breeding areas may be time stressed. The timing of sequential events such as migration and breeding is expected to be correlated because of a "domino effect", and would be of particul[...]![]()
Article
Julia Schroeder, Auteur ; Theunis Piersma, Auteur ; Niko M. Groen, Auteur ; Jos C. E. W. Hooijmeijer, Auteur ; Rosemarie Kentie, Auteur ; Pedro M. Lourenço, Auteur ; Hans Schekkerman, Auteur ; Christiaan Both, AuteurAdvances in mowing schedules have led to early and rapid declines in the seasonal food availability for, and survival rates of, chicks of grassland-breeding waders. Concurrently, increased levels of soil fertilization may have improved food abun[...]



