| Titre : | Corncrake Crex crex in European Russia: habitat characteristics, status and trends (2016) |
| Auteurs : | Alexander Mischenko, Auteur |
| Type de document : | Article |
| Dans : | Vogelwelt (Die) (136(2-3, Sp. Iss.) 2016) |
| Article en page(s) : | 139-144 |
| Résumé : | In Russia the Corncrake is the most abundant non-passerine meadow bird in the country, with the total population estimated at 2-2.5 million calling males (1.0-1.5 million in the European part). Monitoring of calling males has shown a significant increase in numbers in 2002-2005, probably conditioned by the prolonged farming depression. During the period 2006-2015, numbers probably stabilized, but the available data is scant and not representative for the vast area of whole European Russia. Heterogeneity and mosaic character of meadows and their non-intensive use are the main reasons of large and possibly rather stable population of Corncrakes. Current late mowing dates are favourable for Corncrake. Overall survival rate of clutches and young Corncrakes in hay meadows in three areas ranged from 56 % to 88 % in years with usual haymaking.The Corncrake has no conservation status in Russia. Corncrake is a hunted species in the country. The total average annual amount of Corncrakes shot by hunters during one hunting season is 31,000 individuals for the European Russia at whole. It amounts to approximately 0.3-0.6 % of the total post-breeding population.The large Corncrake population and its current status do not demand to develop special agro-environment measures and habitat management. A most probable scenario for agriculture in the nearest decades is intensification of farming in the most populated and accessible territories (as in western Europe) and simultaneously the progressing abandonment of remote farmlands, because their use is unprofitable. It can give a chance for stability of Corncrake population, taking into account its tolerance to nesting in bushy meadows and tall fallow vegetation. |
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