Catastrophic wildfire is increasingly common in forests of the western United States because climate change is increasing ambient temperatures and periods of drought. In 2011, the Las Conchas wildfire burned in the Santa Fe National Forest of New Mexico, including portions of ponderosa pine and mixed-conifer forests, and grasslands in the Valles Caldera National Preserve, a large, high-elevation volcanic caldera. Following the fire, Caldera staff began monitoring abiotic, plant, and animal responses. In this study, ground-dwelling arachnids were collected in pitfall traps in burned and unburned habitats from 2011–2015. Permutational multivariate analysis of variance (PERMANOVA) mostly at the genus level with some higher taxon levels showed significant fire, year, and interaction effects. Abundance was at or near unburned levels by 2014, but species composition changed in burned areas. Pardosa and Haplodrassus were dominant genera across habitats. Linyphiids were strong indicators of unburned sites. Harvestmen were among the dominant species in the forest habitats, and erythraeid mites were abundant in the burned ponderosa pine forest and the grassland. Years were not significantly autocorrelated, unsurprising given the interannual variation in precipitation in this generally arid region. Although fire is a common feature of these habitats, future fires may be outside of historical patterns, preventing spider communities from re-establishing fully.

中文翻译：

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美国新墨西哥州北部三个生境中的地面蜘蛛（Arachnida：Araneae）社区对野火的反应，其中包括螨虫和收割者的注释（Arachnida：Acari，Opiliones）

灾难性的野火在美国西部的森林中越来越普遍，因为气候变化正在增加环境温度和干旱时期。2011年，Las Conchas野火在新墨西哥州的圣达菲国家森林中燃烧，其中包括黄松和部分针叶林的部分森林，以及高海拔火山口Calesla国家保护区的草原。火灾后，破火山口工作人员开始监视非生物，植物和动物的反应。在这项研究中，从2011年至2015年，在燃烧和未燃烧栖息地的陷阱陷阱中收集了地下蜘蛛。变异多变量方差分析（PERMANOVA）大多在属水平上，而某些分类单元水平较高，则显示出明显的火灾，年份和相互作用影响。到2014年，丰度达到或接近未消耗的水平，Pardosa和Haplodrassus是整个生境中的优势属。Linyphiids是未燃烧部位的有力指标。收割者是森林生境中的主要物种，在烧毁的黄松松林和草地中，红藻类螨虫含量很高。考虑到这一普遍干旱地区的年际降水量年际变化，年份并没有明显的自相关性，这不足为奇。尽管火灾是这些生境的共同特征，但未来的火灾可能超出了历史范围，从而阻止了蜘蛛群落的完全重建。