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Climate-driven divergent long-term trends of forest beetles in Japan
Ecology Letters ( IF 8.8 ) Pub Date : 2022-07-29 , DOI: 10.1111/ele.14082
Maldwyn J Evans 1, 2 , Philip Barton 3 , Shigeru Niwa 4 , Masashi Soga 1 , Sebastian Seibold 5, 6 , Kazuaki Tsuchiya 7 , Masumi Hisano 1
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Concerning declines in insect populations have been reported from Europe and the United States, yet there are gaps in our knowledge of the drivers of insect trends and their distribution across the world. We report on our analysis of a spatially extensive, 14-year study of ground-dwelling beetles in four natural forest biomes spanning Japan's entire latitudinal range (3000 km). Beetle species richness, abundance and biomass declined in evergreen coniferous forests but increased in broadleaf-coniferous mixed forests. Further, beetles in evergreen coniferous forests responded negatively to increased temperature and precipitation anomalies, which have both risen over the study's timespan. These significant changes parallel reports of climate-driven changes in forest tree species, providing further evidence that climate change is altering forest ecosystems fundamentally. Given the enormous biodiversity and ecosystem services that forests support globally, the implications for biodiversity change resulting from climate change could be profound.

中文翻译:

日本森林甲虫气候驱动的不同长期趋势

欧洲和美国报告了昆虫种群数量下降的情况,但我们对昆虫趋势驱动因素及其在世界范围内的分布的认识存在差距。我们报告了我们对跨越日本整个纬度范围(3000 公里)的四个天然森林生物群落中地栖甲虫的空间广泛、为期 14 年的研究的分析。常绿针叶林中甲虫物种丰富度、丰度和生物量下降,而阔叶-针叶混交林中甲虫物种丰富度、丰度和生物量增加。此外,常绿针叶林中的甲虫对温度升高和降水异常有负面反应,这些异常在研究期间均有所上升。这些重大变化与气候驱动的森林树种变化报告平行,进一步证明气候变化正在从根本上改变森林生态系统。鉴于森林在全球范围内支持巨大的生物多样性和生态系统服务,气候变化对生物多样性变化的影响可能是深远的。
更新日期:2022-07-29
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