129- Akkervogels, Grauwe kiekendief rapporten

2019

Both C. & Klaassen RHG (2019) How are our long-distance hikers who winter in Africa fare? How do Dutch long-distance migrants thrive wintering in Africa? Limosa 92 (3): 138 - 153. ( Summary , ENG Summary )

Godijn N. & Wiersma P. (2019). Monitoring and research experiment of high-quality farmland Zegenpolder, Buijtenland van Rhoon 2018. Montagu's Harrier - Knowledge Center Field Birds, Scheemda.

Schaub T., Klaassen RHG, Bouten W., Schlaich AE & Koks BJ (2019). Collision risk of Montagu's Harriers Circus pygargus with wind turbines derived from high-resolution GPS tracking. IBIS - International Journal of Ornithology. https://doi.org/10.1111/ibi.12788 (PDF available on request / available on request tonio.schaub@grauwekiekendief.nl).

Schlaich AE & Klaassen RHG (2019). Mapping the life of Montagu's Harrier in the Sahel through a combination of high-tech GPS logger research and old-fashioned fieldwork Ecology of Montagu's Harriers Circus pygargus wintering in the Sahel revealed by a combination of high-tech GPS tracking and old-fashioned fieldwork. Limosa 92 (3): 175 - 183. ( Summary , ENG Summary )

Schlaich AE (2019). Migrants in double jeopardy. Ecology of Montagu's Harriers on breeding and wintering grounds. PhD. diss. University of Groningen, The Netherlands. ( PDF )

Wieringa A., Klaassen RHG, Schlaich AE & Koks BJ (2019). Increased food provisioning by female Montagu's Harriers in years with food shortage weakens sex-specific roles in parental care. Ardea 107: 149 - 158. https://doi.org/10.5253/arde.v107i2.a5 (PDF available on request / available on request raymond.klaassen@grauwekiekendief.nl).

2018

Wiersma P., Godijn N., de Jongh B., Luske B., Noordijk J., Prins U., Rozendaal G., Slikboer L., Verbeek P. & Zeegers T. (2018). Integrated report on the experiment of high-quality farmland Zegenpolder, Buijtenland van Rhoon, 2017 . Montagu's Harrier - Field Birds Knowledge Center, Scheemda.

2017

Klaassen RHG, Schlaich AE, Bouten W. & Koks BJ (2017). Migrating Montagu's harriers frequently interrupt daily flights in both Europe and Africa. Journal of Avian Biology 48: 180 - 190. https://doi.org/10.1111/jav.01362

Schlaich AE, Bouten W., Bretagnolle V., Heldbjerg H., Klaassen RHG, Sørensen IH, Villers A. & Both C. (2017). A circannual perspective on daily and total flight distances in a long-distance migratory raptor, the Montagu's harrier Circus pygargus. Biology Letters 20170073. https://doi.org/10.1098/rsbl.2017.0073

Sørensen IH, Schlaich AE, Klaassen RHG, Heldbjerg H. & Koks BJ (2017). Rare case of an adult male Montagu's Harrier Circus pygargus over ‐ summering in West Africa, as revealed by GPS tracking. Journal of Ornithology 158: 753 - 760. ( Summary , PDF available on request / available on request almut.schlaich@grauwekiekendief.nl)

2016

Ottens HJ, Hakkert J. & Wiersma P. (2016). Effect of delayed mowing on skylark breeding success. Report Montagu's Harrier - Field Birds Knowledge Center, Scheemda ( PDF )

Schlaich AE, Klaassen RHG, Bouten W., Bretagnolle V., Koks BJ, Villers A. & Both C. (2016). How individual Montagu's Harriers cope with Moreau's Paradox during the Sahelian winter. Journal of Animal Ecology 85: 1491 - 1501. ( PDF )

2015

Augiron S., Gangloff B., Brodier S., Chevreux F., Blanc JF., Pilard P., Coly A., Sonko A., Schlaich A. , Bretagnolle V. & Villers, A. ( 2015) Winter spatial distribution of threatened acridivorous avian predators: implications for their conservation in a changing landscape. Journal of Arid Environments. 113: 145-153 . https://doi.org/10.1016/j.jaridenv.2014.10.001

Kuiper MW, Ottens HJ, van Ruijven J., Koks BJ, de Snoo GR, Berendse F. (2015). Effects of breeding habitat and field margins on the reproductive performance of Skylarks (Alauda arvensis) on intensive farmland. Journal of Ornithology Volume 156 (3): 557 - 568. ( PDF )

Kuiper MW (2015). The value of field margins for farmland birds. PhD diss. Wageningen University, the Netherlands. ( PDF )

Schlaich AE, Klaassen RHG, Bouten W., Both C. & Koks BJ (2015). Testing a novel agri-environmental scheme based on the ecology of the target species, Montagu's Harrier Circus pygargus. Ibis 157 (4): 713 - 721. https://doi.org/10.1111/ibi.12299

Vansteelant WMG, Bouten W., Klaassen RHG, Koks BJ, Schlaich AE, van Diermen J., van Loon JJ & Shamoun-Baranes J. (2015). Regional and seasonal flight speeds of soaring migrants and the role of weather conditions at hourly and daily scales. Journal of Avian Biology 46: 25 - 39. doi.org/10.1111/jav.00457 ( PDF )

2014

Jukema J. & Wiersma P. (2014). Climate change and advanced primary moult in Eurasian Golden Plovers Pluvialis apricaria. Ardea 102: 153 - 159. ( PDF )

Klaassen RHG, Hake M., Strandberg R., Koks BJ, Trierweiler C., Exo KM., Bairlein F. & Alerstam T. (2014). When and where does mortality occur in mgiratory birds? Direct evidence from long-term satellite tracking of raptors. Journal of Animal Ecology 83 (1): 176 - 184. ( PDF )

Klaassen RHG, Reneerkens J. (2014). Introduction: Bird tracking; transmitter and logger research on birds in the Netherlands. Introduction: An overview of bird tracking studies in the Netherlands (ENG Summary ). Limosa 87 (2): 58 - 73. ( PDF )

Klaassen RHG, Schlaich AE, Bouten W., Both C. & Koks BJ (2014). First results of the year-round follow of hen harriers nesting in cropland in East Groningen. First results of year-round tracking of Hen Harriers Circus cyaneus breeding in the agricultural landscape of East-Groningen (ENG Summary ). Limosa 87 (2): 58 - 73. ( PDF )

Klaassen RHG, Schlaich AE, Franken MS, Bouten W. & Koks BJ (2014) GPS loggers reveal behavior Montagu's harriers in farmland in East Groningen. Living Nature 115 (2): 61 - 66. ( PDF )

Ottens HJ, Kuiper MW, Flinks H., van Ruijven J., Siepel H., Koks BJ, Berendse F. & de Snoo GR (2014). Do field margins enrich the diet of the Eurasian Skylark Alauda arvensis on intensive farmland? Ardea 102: 161 - 171. ( PDF )

Ottens HJ & Postma M. (2014) Trends and breeding results of Montagu's Harrier Circus pygargus in the Netherlands in 2008 - 13. De Takkeling 22: 107 - 119. ( PDF )

Trierweiler C., Klaassen RHG, Drent RH, Exo KM., Komdeur J. & Bairlein F. (2014). Migratory connectivity and population-specific migration routes in a long-distance migratory bird. Proceedings of the Royal Society of London. Series B. Biological Sciences 281 (1778): 20132897-1-20132897-9. ( PDF )

Wiersma P., Ottens HJ, Kuiper MW, Schlaich AE, Klaassen RHG, Flanders O., Postma M., Koks BJ (2014). Analysis of the effectiveness of field bird management in the Province of Groningen: Evaluation report . Montagu's Harrier - Field Birds Knowledge Center, Scheemda.

2013

Kuiper MW, Ottens HJ, Cenin L., Schaffers AP, van Ruijven J., Koks BJ, Berendse F. & de Snoo GR (2013). Field margins as foraging habitat for skylarks (Alauda arvensis) in the breeding season. Agriculture, Ecosystems & Environment 170: 10 - 15. https://doi.org/10.1016/j.agee.2013.03.001

Ottens HJ (2013) Evaluation report of the Monitoring Network for Agricultural Species in Collective Management Areas in Drenthe in 2013. Montagu's Harrier - Knowledge Center Field Birds, Scheemda. ( PDF )

Ottens HJ, Kuiper MW, Scharenburg CWM & Koks BJ (2013) Field edge management is not the key to success for the Skylark in East Groningen. Field margins are not the ley to success for the Skylark Alauda arvensis; a case study in Eastern Groninge, the Netherlands. Limosa 86 (3): 140 - 152. ( Summary , ENG Summary ).

Ottens HJ, Wiersma P. & Koks BJ (2013) Winter food for field birds in Groningen and Drenthe. Winter food for farmland birds in Groninge and Drenthe. Limosa 86 (3): 192 - 202. ( Summary , ENG Summary ).

Trierweiler C., Mullié W C., Drent RH, Exo KM., Komdeur J., Bairlein F., Harouna A., de Bakker M. & Koks BJ (2013) A Palearctic migratory raptor species tracks shifting prey availability within its wintering range in the Sahel. Journal of Animal Ecology 82 (1): 107-120. ( PDF )

2008

Trierweiler C., Visser EG, Arisz A. & Koks BJ (2008) Habitat use of Montagu's Harriers Circus pygargus in the agricultural landscape 2003-2006 investigated using radiotelemetry. Montagu's Harrier - Field Birds Knowledge Center, Scheemda. ( PDF )