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Thomas Oudman, Auteur ; Hans Schekkerman, Auteur ; Amadou Kidee, Auteur ; Marc van Roomen, Auteur ; Mohamed Camara, Auteur ; Cor Smit, Auteur ; Job Ten Horn, Auteur ; Theunis Piersma, Auteur ; El-Hacen Mohamed El-Hacen, AuteurThe Parc National du Banc d’Arguin in Mauritania hosts the largest concentrations of coastal waterbirds along the East Atlantic Flyway. In spite of this importance, a review of the changes in the numbers of waterbirds in the area is lacking sinc[...]Rapport
Marc van Roomen, Auteur ; Szabolcs Nagy, Auteur ; Geoffroy Citegetse, Auteur ; Hans Schekkerman, Auteur | Wageningen, The Netherlands, : Wetlands International | 2018The ‘total count’ of the coastal East Atlantic Flyway in January 2017 was carried out in 33 countries of which 11 in Europe and 22 in Africa, and involved about 1,500 observers (1,100 in Europe, 400 in Africa). In each country, national coordina[...]Article
Kees Koffijberg, Auteur ; Hans Schekkerman, Auteur ; Henk van der Jeugd, Auteur ; Menno Hornman, Auteur ; Erik van Winden, AuteurThe Netherlands is important for wintering migratory herbivorous geese, numbers of which have rapidly increased, leading to conflict with agriculture. In 2005/2006, a new goose management policy aimed to limit compensation payments to farmers by[...]Article
H. Herman van Oosten, Auteur ; Chris Van Turnhout, Auteur ; Caspar A. Hallmann, Auteur ; Frank Majoor, Auteur ; Maja Roodbergen, Auteur ; Hans Schekkerman, Auteur ; Remco Versluijs, Auteur ; Stef Waasdorp, Auteur ; Henk Siepel, AuteurDynamics of populations may be synchronized at large spatial scales, indicating driving forces acting beyond local scales, but may also vary locally as a result of site-specific conditions. Conservation measures for fragmented and declining popu[...]Article
H. Herman van Oosten, Auteur ; Chris Van Turnhout, Auteur ; Caspar A. Hallmann, Auteur ; Frank Majoor, Auteur ; Maja Roodbergen, Auteur ; Hans Schekkerman, Auteur ; Remco Versluijs, Auteur ; Stef Waasdorp, Auteur ; Henk Siepel, AuteurDynamics of populations may be synchronized at large spatial scales, indicating driving forces acting beyond local scales, but may also vary locally as a result of site-specific conditions. Conservation measures for fragmented and declining popu[...]Article
Jeroen Reneerkens, Auteur ; Juliana B. Almeida, Auteur ; David B. Lank, Auteur ; Joop Jukema, Auteur ; Richard B. Lanctot, Auteur ; R. I. Guy Morrison, Auteur ; W. Irene C. Rijpstra, Auteur ; Douglas Schamel, Auteur ; Hans Schekkerman, Auteur ; Jaap S. Sinninghe Damste, Auteur ; Pavel S. Tomkovich, Auteur ; Diane M. Tracy, Auteur ; Ingrid Tulp, Auteur ; Theunis Piersma, AuteurPrevious studies have shown that preen wax composition in some sandpipers shifts from the usual monoesters to diesters during the breeding season, possibly to reduce the ability of mammalian predators to find nests using olfactory cues. To inves[...]Article
Hans Schekkerman, Auteur ; Gerard Muskens, AuteurDans Limosa (73(4) 2000)Chick survival and breeding success of Black-tailed Godwits was studied in nine grassland sites (one site two years) in the central and western parts of The Netherlands between 1997 and 2000. Sites were used for modern dairy farming, but measure[...]Article
Hans Schekkerman, Auteur ; Albert J. Beintema, AuteurEffects of agricultural intensification on availability of grassland invertebrates as food for chicks of the declining Black-tailed Godwit Limosu limosa were studied in The Netherlands. Invertebrates were sampled with photo-eclectors in wet gras[...]Article
David Kleijn, Auteur ; Hans Schekkerman, Auteur ; Wim J. Dimmers, Auteur ; Ruud J. M. Van Kats, Auteur ; Dick Melman, Auteur ; Wolf A. Teunissen, AuteurAgricultural intensification is one of the main drivers of farmland bird declines, but effects on birds may be confounded with those of climate change. Here we examine the effects of intensification and climate change on a grassland breeding wad[...]Article
Hans Schekkerman, AuteurArticle
Angela Breeuwer, Auteur ; Frank Berendse, Auteur ; Frank Willems, Auteur ; Ruud Foppen, Auteur ; Wolf Teunissen, Auteur ; Hans Schekkerman, Auteur ; Paul Goedhart, AuteurSince 1992 the European Union helps member states to reverse the loss of biodiversity in agricultural landscapes by the financial support of agri-environment schemes. Long-term studies investigating the effects of these schemes are an essential [...]Article
Ingrid Tulp, Auteur ; Hans Schekkerman, Auteur ; Henk Visser, AuteurArticle
Hans Schekkerman, Auteur ; Arjan Boele, AuteurSelf-feeding precocial development is associated with high energy requirements and potentially vulnerable to short-term reductions in food availability, yet few studies have investigated development of foraging in precocial chicks and its sensit[...]Article
Ingrid Tulp, Auteur ; Hans Schekkerman, Auteur ; Joep de Leeuw, Auteur ; Raymond Klaassen, AuteurOf all arctic breeding waders, Little Stints are among the smallest. They are uniparental breeders: the female produces two clutches and the male and female each take care of one clutch (fig. 1). The combination of their small size, arctic distr[...]Article
Kathleen M. C. Tjorve, Auteur ; Hans Schekkerman, Auteur ; Ingrid Tulp, Auteur ; Leslie G. Underhill, Auteur ; Joep J. de Leeuw, Auteur ; G. Henk Visser, AuteurThe little stint Calidris minuta is one of the smallest shorebird species breeding in the Arctic (weighing 4.3 g on hatching). Their chicks are small and have a high surface area-to-volume ratio. We determined prefledging growth, energy expendit[...]Article
Wolf Teunissen, Auteur ; Hans Schekkerman, Auteur ; Frank Willems, Auteur ; Frank Majoor, AuteurDans Ibis (150 AUG 2008)Farmland bird populations in the Netherlands have shown an accelerating decline in recent years, despite extensive conservation efforts including reserves, agri-environment schemes and protection of nests by volunteers. Although agricultural int[...]Article
Hans Schekkerman, Auteur ; Wolf Teunissen, Auteur ; Ernst Oosterveld, AuteurGrassland-breeding shorebirds show widespread declines due to a reduction in breeding productivity following agricultural intensification. However, there is also concern that increasing predation causes further declines or precludes population r[...]Article
Maja Roodbergen, Auteur ; Chris Klok, Auteur ; Hans Schekkerman, AuteurThe Black-tailed Godwit Limosa limosa is a characteristic breeding wader of wet grasslands in The Netherlands which has suffered a strong population decline since the 1960s. Low breeding success has been implicated as the main driver of this dec[...]Article
Jacob Höglund, Auteur ; Tomas Johansson, Auteur ; Albert Beintema, Auteur ; Hans Schekkerman, AuteurBlack-tailed (Limosa limosa) and Hudsonian Godwits (L. haemastica) are sometimes described as a superspecies. The Black-tailed Godwit is further split into three subspecies on the basis of morphological differences ( L. l. limosa, L. l. islandic[...]Article
Loes van den Bremer, Auteur ; Hans Schekkerman, Auteur ; Maja Roodbergen, Auteur ; Chris Van Turnhout, AuteurDans Limosa (87(1) 2014)Numbers of Barn Swallows breeding in The Netherlands have declined strongly in the 20th century. Since the mid-1990s, the national breeding bird monitoring programme (bmp) has indicated a slow recovery (Fig. 3), but there have been doubts about [...]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[...]Article
Martin Poot, Auteur ; Helmut Wendeln, Auteur ; Jelmer van Belle, Auteur ; Hans Schekkerman, Auteur ; Suzan van Lieshout, Auteur ; Christiane Ketzenberg, Auteur ; Jochen Dierschke, Auteur ; Steffen Gruber, Auteur ; Luit S. Buurma, Auteur
