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Guiding local-scale management to improve the conservation of endangered populations: the example of Bonelli’s Eagle Aquila fasciata
Bird Conservation International ( IF 1.6 ) Pub Date : 2020-11-04 , DOI: 10.1017/s0959270920000519
ÀLEX ROLLAN , ANTONIO HERNÁNDEZ-MATÍAS , RAFEL BOSCH , ALBERT TINTÓ , ROGER PUIG-GIRONÈS , CARLES CASTELL , JOAN REAL

SummaryUnderstanding the environmental drivers of demographic processes is a prerequisite for providing the evidence-based conservation guidance and management actions required to address management goals at population level. Human activities, to which most species are not adapted, are having an ever-increasing impact on the environment. Most policies and strategies focus on broad-scale conservation actions and disregard the fact that this type of action may not be adequate at local scale. In addition, even though the main conservation targets are well known, managers and practitioners lack an explicit framework in which to identify the varying requirements of site-specific conservation actions. Our aim was to provide an accurate tool for prioritizing specific local-scale conservation actions for endangered territorial birds. In this study we describe our proposed framework using a population of the endangered Bonelli’s Eagle Aquila fasciata as a case study. We identified the most relevant environmental drivers linked to demographic parameters (occupation, productivity and survival) at local scale shaping the dynamics of the Bonelli’s Eagle population in Catalonia (Spain). This information will be useful for designing specific local-scale conservation actions in eagles’ territories with low demographic parameter values. This is a good example of how applied research and achievable conservation practices are applicable to other Bonelli’s eagle populations and to those of other endangered raptors.

中文翻译:

指导地方规模管理以改善对濒危种群的保护:以博内利的鹰 Aquila fasciata 为例

摘要了解人口过程的环境驱动因素是提供基于证据的保护指导和管理行动所需的先决条件,以实现人口水平的管理目标。大多数物种不适应的人类活动正在对环境产生越来越大的影响。大多数政策和战略都侧重于大范围的保护行动,而忽视了这种行动在地方范围内可能不够充分的事实。此外,即使主要保护目标众所周知,管理人员和从业人员仍缺乏明确的框架来确定特定地点保护行动的不同要求。我们的目标是提供一个准确的工具,以优先考虑针对濒临灭绝的领地鸟类的特定地方规模保护行动。天鹰座作为案例研究。我们确定了与当地人口统计参数(职业、生产力和生存)相关的最相关的环境驱动因素,这些因素影响了加泰罗尼亚(西班牙)博内利鹰种群的动态。该信息将有助于在人口参数值较低的鹰领地设计特定的地方规模保护行动。这是应用研究和可实现的保护实践如何适用于其他博内利鹰种群和其他濒临灭绝的猛禽种群的一个很好的例子。
更新日期:2020-11-04
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