Large‐scale α‐diversity patterns in plants and ground beetles (Coleoptera: Carabidae) indicate a high biodiversity conservation value of China's restored temperate forest landscapes
Large‐scale α‐diversity patterns in plants and ground beetles (Coleoptera: Carabidae) indicate a high biodiversity conservation value of China's restored temperate forest landscapes
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植物和地面甲虫（鞘翅目：步甲科）的大规模多样性格局表明中国恢复的温带森林景观具有很高的生物多样性保护价值
DOI：
10.1111/ddi.12964
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发表时间：
2019-08
期刊：
影响因子：
--
通讯作者：
桑卫国
中科院分区：
文献类型：
--
作者：
桑卫国
目的：在20世纪中国的森林生态系统几乎被完全破坏之后，最近的植树造林计划创造了大规模的保护次生林和种植园林。这些恢复的森林通常被认为具有有限的生物多样性保护价值，但缺乏对其多样性的大规模评估。在我们的研究中，我们比较了中国东北温带地区恢复的次生林和人工林与残留成熟林中维管植物和地甲虫（鞘翅目：步甲科）的α多样性和物种相异度模式。我们还评估了甲虫的功能特征和跨类群多样性联系，以评估森林类型之间生态系统功能的差异。地点：.东北地区方法：在159个温带森林样地记录维管植物和甲虫群落。比较了种植园、次生林和成熟林生态系统中这些类群的α多样性和物种组成差异以及甲虫的功能特征。结果：草本植物物种丰富度在成熟森林中达到峰值，而步甲和木本植物多样性在森林类型之间没有差异。步甲的物种多样性在成熟林中最低，在种植园林中最高。成熟林中食肉甲虫比例最高，大型步甲次生林比例最高。步甲多样性和木本植物物种丰富度在成熟林中呈正相关，而在次生林或种植园林中不相关。主要结论：中国的成熟森林具有很大的保护价值，因为这里有高度多样性的草本植物群落和丰富的独特的无脊椎动物特征群体，如小型掠食性步甲，而中国恢复的温带森林也支持高度多样性的木本植物和步甲。总的来说，我们的研究结果为中国的生物多样性保护提供了令人鼓舞的保护信息，并证明了政策措施的重要性，这些政策措施确保了中国剩余成熟森林及其新森林生态系统的长期有效保护。
Aim: Following the near‐complete destruction of China's forest ecosystems during the 20th century, recent reforestation programmes have created large‐scale mosaics of protected secondary and plantation forests. These restored forests are often assumed to have limited biodiversity conservation value, but large‐scale evaluations of their diversity are lacking. In our study, we compared α‐diversity and species dissimilarity patterns of vascular plants and ground beetles (Coleoptera: Carabidae) in restored secondary and plantation forests to remnant mature forests across north‐eastern temperate China. We also assessed functional traits of beetles and cross‐taxon diversity links to evaluate differences in ecosystem functioning among forest types..Location: . Northeast China..Methods: Vascular plant and ground beetle assemblages were recorded in 159 temperate forest plots. The α‐diversity and species compositional dissimilarity of these taxa and the functional traits of beetles were compared between plantation, secondary and mature forest ecosystems..Results: Herbaceous plant species richness peaked in mature forests, while carabid and woody plant diversity did not differ between forest types. Species dissimilarity of carabids was lowest in mature forests and highest in plantation forests. Mature forest contained the highest proportion of carnivorous beetles and secondary forests of large‐bodied carabids. Carabid diversity and woody plant species richness were positively correlated in mature forests, but not in secondary or plantation forests..Main conclusions: While China's mature forests show a great conservation value in harbouring highly diverse herbaceous plant assemblages and an abundance of distinct invertebrate trait groups such as small predatory carabids, China's restored temperate forests also support a high diversity of woody plants and carabids. Overall, our findings offer an encouraging conservation message for biodiversity conservation in China and demonstrate the importance of policy measures that ensure effective long‐term protection of both, China's remnant mature forests, but also its new forest ecosystems.
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