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Potential importance of wind patterns and guidance opportunities for the conservation of the Egyptian Vulture Neophron percnopterus in Italy
Bird Conservation International ( IF 1.6 ) Pub Date : 2022-06-29 , DOI: 10.1017/s0959270922000089
Nicolantonio Agostini , Michele Panuccio , Jost von Hardenberg , Flavio Monti

Movement ecology and environmental factors are topics of paramount importance to consider when planning conservation programmes for target species. Here we discuss this topic by reviewing the available information related to the Egyptian Vulture Neophron percnopterus, with reference to the remnant breeding population of Southern Italy, of high conservation concern and subject of a long-term captive-breeding re-stocking programme. We describe how adverse wind conditions over the Central Mediterranean Sea make the sea-crossing challenging with detrimental effects on the survival of inexperienced birds, and coupled this information with count data of migrating Egyptian Vultures. Furthermore, we indicate how low population size and scarce opportunities in meeting migrating conspecifics could potentially lead juvenile Egyptian Vultures to follow unfavourable migratory routes, with possible repercussions on survival. We postulate how these concomitant factors could be indirectly influencing the long-term survival of this small population, principally affected by anthropogenic threats. We also discuss how the same factors could actually be affecting captive-bred young individuals released in late summer in southern continental Italy, in the framework of the restocking programme. An integrative approach with tailor-made release methods, which also takes into account the age of released birds and geographical and environmental factors, would likely be useful for a more goal-oriented and long-lasting conservation outcome, for the preservation of this endangered scavenger.



中文翻译:

风型和指导机会对于保护意大利埃及秃鹫 Neophron percnopterus 的潜在重要性

运动生态和环境因素是规划目标物种保护计划时需要考虑的最重要的主题。在这里,我们通过回顾与埃及秃鹰Neophron percnopterus相关的可用信息来讨论这个主题就意大利南部的剩余繁殖种群而言,该种群受到高度保护关注,也是长期圈养繁殖重新放养计划的主题。我们描述了地中海中部的不利风力条件如何使跨海变得具有挑战性,并对缺乏经验的鸟类的生存产生不利影响,并将这些信息与迁徙的埃及秃鹫的计数数据结合起来。此外,我们还指出,种群数量少和遇到迁徙同种的机会稀缺,可能会导致幼年埃及秃鹫遵循不利的迁徙路线,从而可能对生存产生影响。我们假设这些伴随因素如何间接影响这一小群体的长期生存,主要受到人为威胁的影响。我们还讨论了在放养计划的框架内,同样的因素实际上如何影响夏末在意大利南部大陆释放的圈养幼体。采用量身定制的释放方法的综合方法,同时考虑到释放鸟类的年龄以及地理和环境因素,可能有助于实现更加目标导向和持久的保护成果,以保护这种濒临灭绝的食腐动物。

更新日期:2022-06-29
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