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| 土壤盐分和水分对浆果猪毛菜(Salsola foliosa)种群分布的影响 | |
| 引用本文： | 夏芸,田长彦,冯固.土壤盐分和水分对浆果猪毛菜(Salsola foliosa)种群分布的影响[J].干旱区研究,2009,26(5). |
| 作者姓名： | 夏芸 田长彦 冯固 |
| 作者单位： | 1. 中国科学院,新疆生态与地理研究所,新疆,乌鲁木齐,830011;中国科学院,研究生院,北京,100049 2. 中国科学院,新疆生态与地理研究所,新疆,乌鲁木齐,830011 3. 中国农业大学,资源与环境学院,北京,100094 |
| 基金项目： | 自治区科技攻关项目(0545041,200633131) |
| 摘 要： | 研究了准噶尔盆地土壤盐分和水分含量对浆果猪毛菜种群分布、幼苗存活的影响。结果表明:浆果猪毛菜在苗期对土壤表层盐分含量非常敏感。表层土壤盐分含量显著影响浆果猪毛菜种群优势度、密度和盖度。土壤含水量仅在表层土壤盐分含量较低时,影响浆果猪毛菜种群密度和分盖度。深层土壤盐分含量(90 cm)显著影响浆果猪毛菜种群在群落中的优势度,土壤含盐量增加,浆果猪毛菜种群优势度降低,个体数量减少。 |
| 关 键 词： | 土壤含水率 土壤盐分 浆果猪毛菜 种群分布 准噶尔盆地 新疆 |
Effects of Soil Salinity and Moisture Content on the Population Distribution of Salsola foliosa (L.) Schard |
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| XIA Yun,TIAN Chang-yan,FENG Gu.Effects of Soil Salinity and Moisture Content on the Population Distribution of Salsola foliosa (L.) Schard[J].Arid Zone Research,2009,26(5). | |
| Authors: | XIA Yun TIAN Chang-yan FENG Gu |
| Institution: | 1.Xinjiang Institute of Ecology and Geography;Chinese Academy of Sciences;Urumqi 830011;China;2.College of Resources and Environmental Sciences;China Agricultural University;Beijing 100049;3.Graduate University;China |
| Abstract: | Salinity tolerance of seedlings is very important for plant establishment in arid regions.In this study,the effects of soil salinity and moisture content on seedling survival and population distribution of Salsola foliosa in the Junggar Basin were investigated.The results show that the seedlings of Salsola foliosa were very sensitive to soil salinity.Salt content in topsoil affected significantly the dominance,density and coverage of the population of Salsola foliosa.Soil moisture content affected the densi... |
| Keywords: | soil moisture content soil salt content Salsola foliosa population distribution |
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