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首页> 外文期刊>Slovak Raptor Journal >Trend and conservation of saker falcon (Falco cherrug) population in western Slovakia between 1976 and 2010
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Trend and conservation of saker falcon (Falco cherrug) population in western Slovakia between 1976 and 2010

机译：1976年至2010年间斯洛伐克西部的猎鹰（Falco cherrug ）种群的趋势和保护

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摘要

During the 35-year study period (1976-2010) the nesting distribution, population size and dynamics, as well as negative factors influencing the saker falcon population in western Slovakia were surveyed. After 1993 all of the nesting pairs have gradually resettled to the neighbouring agrocoenoses, previously used for hunting and wintering. This process was considerably influenced by management practices, especially the installation of 151 nest boxes on electricity pylons in lowland agrocoenoses in western Slovakia. Since 2009 all pairs have been nesting in agrocoenoses. During the last decade the number of nesting pairs has increased 145% and the nesting area of the saker has increased three-fold in western Slovakia. Data about 47 pairs and 345 nesting events were used to evaluate the population trend. The pairs raised 797 fledglings in 247 successful breeding attempts. Average success for all breeding attempts was 2.3 fledglings, and 3.2 fledglings for successful breeding attempts. The main reasons for losses during the study period are considered to be drastic changes in feeding and breeding habitats, illegal shooting and poisoning as well as nest robberies.
机译：在为期35年的研究期（1976-2010年）中，对斯洛伐克西部的猎鹰种群的巢状分布，种群规模和动态以及负面因素进行了调查。 1993年以后，所有筑巢对都已逐渐迁徙到以前用于狩猎和越冬的邻近农杆菌。管理过程对这一过程产生了很大影响，特别是在斯洛伐克西部低地农用生物体的电力塔上安装了151个巢箱。自2009年以来，所有配对都已在农杆菌中筑巢。在过去的十年中，套叠对的数量增加了145％，而造巢者的套叠面积在斯洛伐克西部增加了三倍。使用有关47对和345次筑巢事件的数据来评估种群趋势。两对成功进行了247次育种尝试，共饲养了797羽雏鸟。所有育种尝试的平均成功率是2.3羽幼雏，而成功育种尝试的平均成功率是3.2幼雏。在研究期间造成损失的主要原因被认为是饲养和繁殖生境的急剧变化，非法射击和中毒以及抢劫窝。

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