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Local extinction risk under climate change in a neotropical asymmetrically dispersed epiphyte

机译:在气候变化下的局部灭绝风险在崭露心的不对称分散的近骨膜内

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The long-term fate of populations experiencing disequilibrium conditions with their environment will ultimately depend on how local colonization and extinction dynamics respond to abiotic conditions (e.g. temperature and rainfall), dispersal limitation and biotic interactions (e.g. competition, facilitation or interactions with natural enemies). Understanding how these factors influence distributional dynamics under climate change is a major knowledge gap, particularly for small ranged and dispersal-limited plant species, which are at higher risk of extinction. Epiphytes are hypothesized to be particularly vulnerable to climate change and we know little about what drives their distribution and how they will respond to climate change. To address this issue, we leveraged a 10-year dataset on the occupancy dynamics of the endemic orchid Lepanthes rupestris to identify the drivers of local colonization and extinction dynamics and assess the long-term fate of this population under multiple climate change scenarios.
机译:经历不平衡条件的人口的长期命运最终将依赖于局部定植和消灭动态如何应对非生物条件(例如温度和降雨),分散限制和生物互动(例如竞争,促进或与天敌的互动) 。了解这些因素如何影响气候变化下的分布动力学是一个主要的知识差距,特别是对于小型范围和分散的植物物种,这是较高的灭绝风险。背骨清晰度是特别容易受到气候变化的影响,我们对驱使其分配以及如何应对气候变化的知识知之甚少。为了解决这个问题,我们利用了一个10年的数据集关于地方性兰花留下卢比的占用动态,以确定当地殖民化和灭绝动态的驱动因素,并在多种气候变化方案下评估该人群的长期命运。

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