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Plant Diversity and Its Elevational Gradient Patterns in Wulu Mountain, Shanxi, China

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Author:
No author available
Journal Title:
Plant Diversity and Resources
Issue:
4
DOI:
10.3724/SP.J.1143.2012.12022
Key Word:
五鹿山;植物多样性;海拔梯度;重要值

Abstract: 采用典型取样法,沿海拔梯度对五鹿山自然植被进行调查.结果表明:五鹿山主要群落类型为辽东栎(Quercus wutaishanica)群落、油松(Pinus tabulaeformis)群落、茶条槭(Acer ginnala)群落、白皮松(Pinus bungeana)群落、暴马丁香-茶条槭(Syringa reticulate-Acer ginnala)群落和白桦(Betula platyphylla)群落.其中,辽东栎群落略占优势,这可能暗示着该地区植被具有继续向暖温带落叶阔叶林演替的倾向.各层次植物物种丰富度呈现出草本层>灌木层>乔木层特征,Shannon-Wiener多样性指数和Simpson多样性指数整体规律为草本层>灌木层>乔木层.以五鹿山森林群落不同层次的各种物种多样性指数和森林群落总体重要值为测度指标,均暗示着五鹿山植被演替正处于亚顶极群落阶段.五鹿山植物多样性沿海拔梯度呈现出近似中海拔高的单峰格局,这是由于植物物种多样性受温度、湿度、人为等因素干扰.

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