Ten years after: Release cutting around old oaks still affects oak vitality and saproxylic beetles in a Norway spruce stand

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY
Delphine Lariviere, Emma Holmström, Lisa Petersson, Line Djupström, Jan Weslien
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Abstract

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十年后:在挪威云杉林中,老橡树周围的松枝仍然影响着橡树的活力和腐木甲虫
人们经常建议将橡树(栎)从竞争中释放出来,以确保它们的生存并提高它们的保护价值。然而,很少有研究探索这种影响的持续时间以及它如何影响腐木甲虫。在挪威云杉(Picea abies)商业林中,我们研究了140年树龄的保留栎树在砍伐10年后不同放量水平(高放量、中等放量和不放量)的影响。我们使用树冠和枯木测量来评估橡树的活力。利用窗捕器捕获腐木甲虫,对其进行物种鉴定,并根据其与橡树和/或挪威云杉的关系进行分组。与未释放对照相比,释放后的橡树光照更充足,温度更高,树冠生长更快,树冠中的死木更少。10年后,我们发现释放的栎树中仍有较高的伴生甲虫丰度和较高的腐木甲虫总体物种丰富度。放生栎树与对照栎树的甲虫种类组成差异显著。我们建议在更新针叶林时避免在保留的栎树下种植树木,并在随后的间伐中通过去除栎树冠下的更新来进行保护管理。我们强调监测保留的橡树的好处,以保持树木的活力、栖息地质量和日照。
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来源期刊
Agricultural and Forest Entomology
Agricultural and Forest Entomology 农林科学-昆虫学
CiteScore
3.60
自引率
6.20%
发文量
66
审稿时长
>24 weeks
期刊介绍: Agricultural and Forest Entomology provides a multi-disciplinary and international forum in which researchers can present their work on all aspects of agricultural and forest entomology to other researchers, policy makers and professionals. The Journal welcomes primary research papers, reviews and short communications on entomological research relevant to the control of insect and other arthropod pests. We invite high quality original research papers on the biology, population dynamics, impact and management of pests of the full range of forest, agricultural and horticultural crops.
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