Forest fragmentation can affect various aspects of population dynamics, but few investigators have assessed possible effects on the behavior of a species. Loss of habitat may limit population recruitment and abundance, which may alter breeding dynamics in forest remnants. We examined the lekking behavior of White‐throated Manakins (Corapipo gutturalis) in a fragmented landscape to determine if forest fragmentation affected the spatial distribution of display courts and male behavior at courts. We captured and observed males at 19 courts located in 11 primary forests of different sizes in forest habitats of the Biological Dynamics of Forest Fragments Project area, an experimentally fragmented landscape located in the central Brazilian Amazon, and estimated their spatial distribution as the distance to the nearest court in the landscape. We quantified habitat loss using the proportion of forest cover surrounding courts and their distances to forest edges. No courts were detected in 1‐ha forest fragments, suggesting direct effects from habitat loss following fragmentation that affected connectivity and thus recruitment and persistence of courts in the smallest fragments. The spatial distribution of display courts in forests larger than 10 ha remained unaltered, compared to display courts in continuous forests, but adult males were less numerous on courts with a higher percentage of forest cover and they displayed less on courts closer to forest edges. The spatial distribution of courts also contributed to variation in male social behavior, with more juvenile males present and adult males displaying at lower rates at more isolated courts. Although White‐throated Manakins are locally common, the observed behavioral changes in response to habitat loss may affect their population dynamics. Our results show the importance of assessing behavioral changes in conservation programs and, in particular, of including biologically relevant measures of habitat loss in addressing its possible effects on species persistence in fragmented landscapes.

中文翻译：

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森林破碎化对亚马逊河中部白喉山柑迁徙行为的影响

森林碎片化可以影响种群动态的各个方面，但是很少有研究者评估对物种行为的可能影响。生境的丧失可能会限制种群的募集和丰富，这可能会改变森林残余物中的繁殖动态。我们检查了白喉Manakins（Corapipo gutturalis），以判断森林碎片是否影响展示场的空间分布和场上的男性行为。我们在生物碎片森林动态项目区域（位于巴西中部的实验性破碎景观）的森林栖息地的11个不同大小的原始森林中的19个法院中捕获和观察了雄性，并估计了它们的空间分布为与森林的距离。景观中最近的法院。我们使用周围庭园的森林覆盖比例及其与森林边缘的距离来量化栖息地的丧失。在1公顷的森林碎片中未检测到法院，这表明碎片化后栖息地丧失的直接影响影响了连通性，从而影响了最小碎片中法院的招募和持久性。与连续森林中的展示场相比，面积大于10公顷的森林中展示场的空间分布保持不变，但是成年男性在森林覆盖率较高的球场上的人数较少，而在靠近森林边缘的球场上，成年男子的展示次数较少。法院的空间分布也促使男性的社会行为发生变化，更多的少年男性在场，成年男性在更偏远的法院中所占的比例较低。尽管白喉Manakins在当地很普遍，但是观察到的对栖息地丧失的反应行为变化可能会影响它们的种群动态。我们的结果表明评估保护方案中行为变化的重要性，尤其是，