Life history traits predict insect species responses to large herbivore overabundance: a multitaxonomic approach
作者： Taichi Iida , Masashi Soga , Tsutom Hiura , Shinsuke Koike
DOI: 10.1007/S10841-016-9866-X
关键词: Biology 、 Exclosure 、 Animal ecology 、 Understory 、 Ecology 、 Abundance (ecology) 、 Carrion 、 Herbivore 、 Insect 、 Biodiversity 、 Ecology (disciplines) 、 Insect Science 、 Animal Science and Zoology 、 Nature and Landscape Conservation
摘要: There is increasing concern over the ecological impact of markedly numbers large herbivores (hereafter herbivore overabundance) on forest ecosystems. To predict consequences overabundance, it first necessary to understand how biological communities respond overabundance. Here, we examined relationships between life history traits five insect taxonomic groups (moths, dung beetles, longicorn carabid and carrion beetles) their responses deer overabundance in Hokkaido, northern Japan. Insects were collected from three study sites: enclosure (20 deer/km2), control (10 deer/km2), exclosure (0 deer/km2). The different functional species differed response abundance (number individuals) arbor-feeding moths was higher site than site, whereas that herb- or shrub-feeding site. These results suggest type food level dependence understory are key determining sensitivity In addition, flightless responded negatively Overall, this demonstrated a significant change following experimental suggesting leads homogenization communities. Unfortunately, because insects have diverse functions ecosystems, such marked changes both composition will decrease ecosystem resilience.
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