Biogeochemical niches modulate shoot and root biomass in Potentillinae across Chinese grasslands

IF 5.6 1区 环境科学与生态学 Q1 ECOLOGY
Chao Wang, Xiaona Li, Ji Suonan, Yonghui Wang, Lingfei Yu, Josep Peñuelas, Jordi Sardans, Yanhui Hou
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生物地球化学生态位调节中国草原潜在草的茎和根生物量
生物地球化学生态位(BN)假说认为,每个物种都具有与其独特元素组成相关的物种特异性功能。然而,BN与植物功能(如生物量)之间的关系仍有待充分了解。本研究对中国北方草原18种潜在草科植物368个个体的茎部和根系生物量以及叶片和根系中10种元素的浓度进行了测定。我们对叶片和根系的氮化硼假设进行了检验,并研究了这些草原地上和地下氮化硼与生物量之间的关系。结果表明,在较窄的分类范围内,遗传(系统发育+物种)效应解释了叶片和根元素组成在物种间的显著差异,叶片元素组成比根具有更高的系统发育保守性。此外,我们还发现了叶片和根估算的物种B和N之间的密切联系,以及它们与茎和根生物量之间的正相关关系。合成。我们的研究结果强调了BN大小与地上和地下植物生物量之间的密切联系。我们认为氮化硼可以作为联系草原元素组成与生态系统功能的一个有价值的框架。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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