乌兰布和沙漠白刺与沙蒿群落多样性及其对降水的响应
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摘要
通过对乌兰布和沙漠白刺群落与沙蒿群落进行固定样方监测,分析白刺与沙蒿群落多样性的变化及其对降水的响应。结果表明:2个典型灌木群落物种数对降水响应明显;白刺群落与沙蒿群落中1年生草本对降水响应明显,而灌木与多年生草本对降水无响应;白刺与沙蒿群落的物种丰富度与多样性对降水响应明显,沙蒿群落与白刺群落的相似性对降水响应明显;降水量与2个典型灌木群落的物种数、盖度、丰富度指数、均匀度指数、多样性指数均呈正相关关系,相关系数均大于0.600 0。
The Nitraria tangutorum Bobr community,Artemisia sphaerocephala community in Ulanbuh desert were fixed for sample monitoring,and analyzing the change of the Nitraria tangutorum Bobr community and Artemisia sphaerocephala community diversity and its response to precipitation.The results showed that species number of response to precipitation was obvious; annual herb of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community response to precipitation was obvious,and shrubs and perennial herbs of precipitation with no response; species richness and species diversity of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community of response to precipitation was obvious,and the similarity of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community of response to precipitation was obvious; precipitation was positively related with structure and diversity of the two typical shrub community,and correlation coefficients were all greater than 0.600 0.
The Nitraria tangutorum Bobr community,Artemisia sphaerocephala community in Ulanbuh desert were fixed for sample monitoring,and analyzing the change of the Nitraria tangutorum Bobr community and Artemisia sphaerocephala community diversity and its response to precipitation.The results showed that species number of response to precipitation was obvious; annual herb of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community response to precipitation was obvious,and shrubs and perennial herbs of precipitation with no response; species richness and species diversity of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community of response to precipitation was obvious,and the similarity of Nitraria tangutorum Bobr community and Artemisia sphaerocephala community of response to precipitation was obvious; precipitation was positively related with structure and diversity of the two typical shrub community,and correlation coefficients were all greater than 0.600 0.
引文
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[4]马全林,郑庆中,贾举杰.乌兰布和沙漠沙蒿与油蒿群落的物种组成与数量特征[J].生态学报,2012,32(11):3423-3431.
[5]王燕,王辉,李永兵.干旱荒漠区封育沙地植被群落特征变化研究[J].水土保持通报,2009,29(5):41-44.
[6]白文明,李凌浩,宋世环.内蒙古多伦农牧交错区固定沙丘植被群落特征分析[J].草地学报,2003,11(3):223-227.
[7]靳虎甲,马全林,张德魁.乌兰布和沙漠典型灌木群落结构及数量特征[J].西北植物学报,2012,32(3):579-588.
[8]杨军,傅德平,杨晓东,等.艾比湖湿地自然保护区典型群落物种多样性分析[J].干旱区资源与环境,2010,24(2):145-149.
[9]单贵莲,徐柱,宁发.典型草原不同演替阶段群落结构与物种多样性变化[J].干旱区资源与环境,2010,24(2):163-169.
[10]王海星,张克斌,曹永翔.西北半干旱区湿地生态系统植物群落多样性的研究[J].干旱区资源与环境,2010,24(5):142-146.
[11]李智叁,李凤白.乌兰布和沙漠天然白刺种群及主要伴生种中间关联性研究[J].植物研究,2008,28(1):99-103.
[12]张林静,岳明,张远东.新疆阜康绿洲荒漠过渡带植物群落物种多样性特征[J].地理科学,2003,23(3):329-334.
[13]马克平,刘讪然,刘玉明.生物群落多样性的测度方法Ⅱ:β多样性的测度方法[J].生物多样性,1995,3(1):38-43.
[14]马克平.生物群落多样性的测度方法Ⅰ.α多样性的测度方法(上)[J].生物多样性,1994,2(3):162-168.
[15]马克平.生物群落多样性的测度方法Ⅰ.α多样性的测度方法(下)[J].生物多样性,1994,2(4):231-239.
[16]卢双珍,喻庆国,曹顺伟.无量山国家级自然保护区及其周边地区生态系统多样性测度[J].安徽农业科学,2008,36(9):3773-3775.
[17]常学礼,赵爱芬,李胜功.科尔沁沙地固定沙丘植被物种多样性对降水变化的响应[J].植物生态学报,2000,24(2):147-151.