干旱区生态环境知识资源中心(Arid): 退耕还林模式核桃林下植被多样性及生物量调查

Arid

	退耕还林模式核桃林下植被多样性及生物量调查
其他题名	Vegetatio.nal Diversity and Biomass in Juglans regia Forest under Conversion Cultivated Land into Forests Model
	谢伟东 1; 谢素平 1; 蒋桂雄 2; 赖家业 1; 韦许梅 3
来源期刊	贵州农业科学
ISSN	1001-3601
出版年	2010
卷号	38 期号:5 页码:177-179,183
中文摘要	为桂西北地区石漠化治理、植被恢复以及促进地方经济的发展提供科学依据, 采用典型样地法对广西凤山县和乐业县退耕还林模式核桃林下植被多样性及生物量进行了研究.结果表明:灌木层的丰富度指数为0.2292~0.3883, Simpson多样性指数为0.6767~0.7799, Shannon-Wiener多样性指数为 1.2092~1.9279;草本层Simpson.多样性指数为0.517 4~0.6815, Shannon-Wiener多样性指数为1.26168~ 1.568.不同退耕时间核桃林下灌木及草本植物物种多样性指数没有显著的差异, 其中, 1~5号标准地灌木层总生物量低于草本层, 2002年退耕的5号标准她的生物量总量较小, 1号、4号和5号标准地地上生物量与地下生物量比值均小于1.核桃林下灌木层和草本层的生物量与经营方式、人为干扰程度和土壤立地条件有关.
英文摘要	The vegetational diversity and biomass in Juglans regia forest under conversion cultivated land into forests were studied by using typical plot sample method in Fengshan and Leye Counties of Guangxi Zhuang Autonomous Region to provide the scientific basis for comprehensive improvement of rocky desertification, revegetation and development of local economy. The results showed that the richness, Simpson and Shannon-Wiener indexes of the shrub layer were 0.229 2~0.388 3, 0.676 7~0.779 9 and l.2092~1.927 9 respectively, the Simpson and Shannon-Wiener indexes of the herb layer were 0.5174~0.6815 and 1.261 68~1.568, there was no significant difference in diversity indexes of shrub and herb species among different times of conversion cultivated land into forests, total biomass of the shrub layer was lower than the herb layer in 1-5 standard plot samples, total biomass of the fifth standard plot sample with conversion cultivated land into forest in 2002 was the minimum, the aerial biomass/underground biomass ratios of the first, fourth and fifth standard plot samples were all below l.The biomass of theshrub layer and herb layer in Juglans regia forest is correlated-to management, artificial disturbance degree and soil environment condition.
中文关键词	退耕还林 ; 核桃 ; 物种多样性 ; 生物量
英文关键词	conversion cultivated land into forests Juglans regia species diversity biomass
语种	中文
国家	中国
收录类别	CSCD
WOS类目	FORESTRY
WOS研究方向	Forestry
CSCD记录号	CSCD:3915324
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/225262
作者单位	1.广西大学林学院, 南宁, 广西 530005, 中国; 2.广西壮族自治区林业局, 南宁, 广西 530022, 中国; 3.广西百色林业局, 百色, 广西 533000, 中国
推荐引用方式 GB/T 7714	谢伟东,谢素平,蒋桂雄,等. 退耕还林模式核桃林下植被多样性及生物量调查[J],2010,38(5):177-179,183.
APA	谢伟东,谢素平,蒋桂雄,赖家业,&韦许梅.(2010).退耕还林模式核桃林下植被多样性及生物量调查.贵州农业科学,38(5),177-179,183.
MLA	谢伟东,et al."退耕还林模式核桃林下植被多样性及生物量调查".贵州农业科学 38.5(2010):177-179,183.