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Edge contrast modulates ant community responses to edge distance in agricultural landscapes
Agricultural and Forest Entomology ( IF 1.6 ) Pub Date : 2022-02-07 , DOI: 10.1111/afe.12492 Felipe Martello 1 , Fernando Sarti Andriolli 2 , Hugo Reis Medeiros 3 , Thamilin Barão 4 , Milton Cezar Ribeiro 4
Agricultural and Forest Entomology ( IF 1.6 ) Pub Date : 2022-02-07 , DOI: 10.1111/afe.12492 Felipe Martello 1 , Fernando Sarti Andriolli 2 , Hugo Reis Medeiros 3 , Thamilin Barão 4 , Milton Cezar Ribeiro 4
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Although edge influence has been studied extensively, there is no consensus on how insect communities respond to edge environments. Studies highlight the importance of an experimental design that considers samples in adjacent matrix and the distance from the edge as a continuous factor. We sampled ants along edges composed by Cerrado vegetation and three types of crop matrix: sugarcane, eucalyptus and pasture. We assessed the response patterns of ant communities to edge contrast and distance using linear models. Ant richness increases linearly towards Cerrado core in edges composed by sugarcane, while it did not change along edges composed by eucalyptus. In both cases, ant composition on both sides of these edges tended to be highly different. In pasture, ant richness is higher than Cerrado, while the composition changes gradually along this edge, indicating that low contrast edges imply a smoother effect of edge influence on communities. Our results suggest that edge influence is dependent on the structural contrast between the habitats that compose the edges. We highlight the importance of the two-sided approach on edge studies and the use of more than a single biodiversity dimension to provide an accurate picture of edge influence on insect communities.
中文翻译：
边缘对比度调节蚂蚁群落对农业景观边缘距离的反应
尽管已经对边缘影响进行了广泛的研究，但对于昆虫群落如何响应边缘环境还没有达成共识。研究强调了将相邻矩阵中的样本和与边缘的距离视为连续因素的实验设计的重要性。我们沿着由 Cerrado 植被和三种作物基质组成的边缘对蚂蚁进行采样：甘蔗、桉树和牧场。我们使用线性模型评估了蚂蚁群落对边缘对比度和距离的响应模式。蚂蚁丰富度在甘蔗组成的边缘向 Cerrado 核心线性增加，而沿着桉树组成的边缘没有变化。在这两种情况下，这些边缘两侧的蚂蚁组成往往高度不同。在牧场，蚂蚁丰富度高于塞拉多，而成分沿着这个边缘逐渐变化，表明低对比度边缘意味着边缘对社区的影响更平滑。我们的研究结果表明，边缘影响取决于构成边缘的栖息地之间的结构对比。我们强调了双边方法对边缘研究的重要性，以及使用多个单一的生物多样性维度来准确描述边缘对昆虫群落的影响。
更新日期：2022-02-07
中文翻译：
边缘对比度调节蚂蚁群落对农业景观边缘距离的反应
尽管已经对边缘影响进行了广泛的研究，但对于昆虫群落如何响应边缘环境还没有达成共识。研究强调了将相邻矩阵中的样本和与边缘的距离视为连续因素的实验设计的重要性。我们沿着由 Cerrado 植被和三种作物基质组成的边缘对蚂蚁进行采样：甘蔗、桉树和牧场。我们使用线性模型评估了蚂蚁群落对边缘对比度和距离的响应模式。蚂蚁丰富度在甘蔗组成的边缘向 Cerrado 核心线性增加，而沿着桉树组成的边缘没有变化。在这两种情况下，这些边缘两侧的蚂蚁组成往往高度不同。在牧场，蚂蚁丰富度高于塞拉多，而成分沿着这个边缘逐渐变化，表明低对比度边缘意味着边缘对社区的影响更平滑。我们的研究结果表明，边缘影响取决于构成边缘的栖息地之间的结构对比。我们强调了双边方法对边缘研究的重要性，以及使用多个单一的生物多样性维度来准确描述边缘对昆虫群落的影响。
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