干旱区生态环境知识资源中心(Arid): 青藏高原高寒草地植物多样性调查方法的比较

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	青藏高原高寒草地植物多样性调查方法的比较
其他题名	Comparison of different sampling techniques for alpine grassland plant diversity on Qinghai-Tibet Plateau
	张晓蕾 1; 董世魁 1; 郭贤达 1; 韩雨晖 1; 李灏漫 1; 冯憬 1; 王琛 1; 刘全儒 2
来源期刊	生态学杂志
ISSN	1000-4890
出版年	2015
卷号	34 期号:12 页码:3568-3574
中文摘要	为比较高寒草地植物多样性各类调查方法的实际效果,提高高寒草地植物多样性研究结果的效率及准确性,本文以青藏高原地区的3种主要草地类型高寒草甸、高寒草原和高寒荒漠草地为研究对象,分别采用同心圆样线-样方法、Daubenmire 样线法、大样方-样线法和改进的巢式样方法进行植物多样性调查,分析比较不同调查方法对3类高寒草地植物多样性的监测效果和成本效率,以期筛选出准确性较高、成本较低的调查方法。结果表明:(1)物种数-调查时间关系的拟合曲线显示,随着研究样地物种数的增多,4种方法间完成样地植物多样性调查所耗时间的差异变大;(2)在物种丰富度相对较高的高寒草甸和高寒草原上,改进的巢式样方法监测到的物种丰富度最高,但该方法所耗工时最长,相对而言同心圆样线-样方法最经济有效; (3)在物种丰富度相对较低的高寒荒漠上,4种方法监测的物种多样性准确度和调查所需的工时相差不大。但是,考虑方法简便性,大样方-样线法为最佳。
英文摘要	To compare the effects of different sampling techniques for alpine grassland and improve the efficiency and accuracy of alpine grassland plant diversity study,we applied four different methods to investigate the diversity in three main types of grassland in Qinghai-Tibet Plateau(alpine meadow,alpine steppe and alpine desert) . The methods included center-staked transectquadrat method,Daubenmire transect method as modified by the USDA Forest Service,large quadrat-transect method proposed by the USDA Agricultural Research Service,and modified Whittaker multi-scale vegetation plot method. Through analysis of monitoring effectiveness and cost efficiency of the three kinds of alpine grassland plant diversity,we screened out the investigation method which had the highest accuracy and lowest cost. Species number-time cost curves indicated that the difference of consumption time of four methods became larger as the species number in sampling plots increased. In alpine meadow and alpine steppe,which had relatively higher species richness,the modified Whittaker multi-scale vegetation plot method can detect the highest species richness; however,this method costs the longest time. Relatively,the centerstaked transect-quadrat method was the most economical. In alpine desert with low species richness, the time cost of investigation and the accuracy of species diversity did not vary much among the four investigation methods. As a whole,considering the simplicity,large quadrat-transect method was the best one for investigation.
中文关键词	青藏高原 ; 植物多样性 ; 采样方法 ; 效率 ; 准确度
英文关键词	Qinghai-Tibet Plateau plant diversity sampling method efficiency accuracy
语种	中文
国家	中国
收录类别	CSCD
WOS类目	ENVIRONMENTAL SCIENCES
WOS研究方向	Environmental Sciences & Ecology
CSCD记录号	CSCD:5604166
来源机构	北京师范大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/233253
作者单位	1.北京师范大学环境学院, 北京 100875, 中国; 2.北京师范大学生命科学学院, 北京 100875, 中国
推荐引用方式 GB/T 7714	张晓蕾,董世魁,郭贤达,等. 青藏高原高寒草地植物多样性调查方法的比较[J]. 北京师范大学,2015,34(12):3568-3574.
APA	张晓蕾.,董世魁.,郭贤达.,韩雨晖.,李灏漫.,...&刘全儒.(2015).青藏高原高寒草地植物多样性调查方法的比较.生态学杂志,34(12),3568-3574.
MLA	张晓蕾,et al."青藏高原高寒草地植物多样性调查方法的比较".生态学杂志 34.12(2015):3568-3574.