Janika M. Kerner, Sebastian König, Fabienne Maihoff, Lukas Bofinger, Nikki Sauer, Axel Ssymank, Peter Väth, Alice Classen
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引用次数: 0
摘要
长期以来,横断面步行一直是许多飞虫类群的首选监测方法,而结合 DNA 代谢编码的萎靡诱捕器则日益受到重视。我们选择了三类授粉昆虫(野蜂、食蚜蝇和蝴蝶)和一类食草昆虫(蚱蜢)作为功能重要且与保护相关的模型群,比较了两种方法在德国阿尔卑斯山海拔梯度上的结果。在整个研究区域,两种方法都检测到了类似高的传粉昆虫物种丰富度,物种库有约 50% 的重叠,但横断面步行法在每个地点发现了更多的物种,尤其是在海拔较高和低温条件下。不同方法的体型光谱有所不同,平均而言,横断面步行法发现的大型蝴蝶和小型蜜蜂物种更多。尽管如此,温度和花卉丰富度是授粉昆虫丰富度的一致驱动因素,与取样方法无关。横断面步行取样的蚱蜢丰富度大大高于麻风陷阱取样的蚱蜢丰富度。两种方法都能确定温度是蚱蜢丰富度的驱动因素,而只有靡靡之音诱捕器还能确定管理是蚱蜢丰富度的驱动因素。然而,这些被动捕集器的有效性更容易受到采样温度变化的影响,而且在某些授粉昆虫群中,体型等级的表现也不同,这一点在分析过程中需要考虑。对于蚱蜢来说,横断面步行似乎更适合评估物种丰富度,因为可以监测到的物种要多得多。
Transect walks and malaise traps differ in temperature sensitivity but reveal consistent drivers of pollinator richness
Transektläufe und Malaisefallen unterscheiden sich in ihrer Temperaturempfindlichkeit, zeigen jedoch konsistente Treiber der Artenvielfalt von Bestäubern
期刊介绍:
To publish papers of the highest scientific quality within the general area of insect (and other arthropods) conservation and diversity covering topics ranging from ecological theory to practical management.
Papers are invited on the following topics: Conservation genetics; Extinction debt; Long-term conservation planning and implementation; Global implications of local or national conservation actions; Management responses of species and communities; Captive breeding programs; Comparisons of restored and natural habitats; Biogeography; Global biodiversity; Metapopulation dynamics; Climate change: impacts on distributions and range; Invasive species: impacts and control; Effects of pollution; Genetic threats to diversity by introgression; Effects of fragmentation on diversity and distribution; Impact of agricultural and forestry practices on biodiversity; Enhancing urban environments for diversity and protection; Biodiversity action plans: can we scale up from insects?; Effectiveness and choice of indicator species; Soil biodiversity and interactions with above-ground biodiversity; Ecological interactions at local levels; Ecological and evolutionary factors influencing diversity and local, regional and global scales; Sustainable livelihoods and training on the ground; Integrating science and policy.