img

官方微信

  • CN 62-1070/P
  • ISSN 1000-694X
  • 双月刊 创刊于1981年
高级检索
生物与土壤

白梭梭(Haloxylon persicum)灌丛下雾凇的散布格局及其对土壤含水量的影响

  • 尹本丰 ,
  • 张元明 ,
  • 陶冶
展开
  • 1. 中国科学院新疆生态与地理研究所 干旱区生物地理与生物资源重点实验室, 新疆 乌鲁木齐 830011;
    2. 中国科学院大学, 北京 100049
尹本丰(1988-),男,山东曹县人,硕士研究生,主要从事干旱区植物生态学研究。Email: yinbenfeng@163.com

收稿日期: 2014-03-26

  修回日期: 2014-05-12

  网络出版日期: 2015-07-20

基金资助

国家重点基础研究发展计划项目(2014CB954202);国家自然科学基金项目(U1203301)

Rime Dispersal Pattern under Haloxylon persicum Canopy and Its Effect on Soil Moisture Content in Early Winter

  • Yin Benfeng ,
  • Zhang Yuanming ,
  • Tao Ye
Expand
  • 1. Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
    2. University of Chinese Academy of Sciences, Beijing 100049, China

Received date: 2014-03-26

  Revised date: 2014-05-12

  Online published: 2015-07-20

摘要

雾凇是古尔班通古特沙漠冬季常见的天气现象,荒漠植物具有较强的捕获雾凇的能力。雾凇作为隐匿性降水对荒漠植被的生长具有极其重要的作用。本研究调查了初冬无雪期2株不同大小的白梭梭(Haloxylon persicum)灌丛下雾凇散落的分布格局,分析了雾凇对灌丛下土壤含水量的影响。结果表明:2株白梭梭灌丛下雾凇均表现出偏向下风坡散落的格局;雾凇量和土壤含水量的空间分布格局均服从高斯模型,并呈现出由灌丛基部向外先增加后减少的趋势;雾凇量与雾凇融化后土壤含水量的结构变异系数均在92%以上,表明二者的空间变异主要是灌丛引起的空间自相关造成的;2株白梭梭灌丛下的土壤含水量与雾凇散落量均为显著正相关,表明散落的雾凇确实增加了灌丛下的土壤含水量。因此,雾凇散落将有利于灌丛下生物结皮的生长,促进结皮(尤其是苔藓结皮)的选择性分布。

本文引用格式

尹本丰 , 张元明 , 陶冶 . 白梭梭(Haloxylon persicum)灌丛下雾凇的散布格局及其对土壤含水量的影响[J]. 中国沙漠, 2015 , 35(4) : 951 -958 . DOI: 10.7522/j.issn.1000-694X.2014.00071

Abstract

Rime is a common weather phenomenon in the Gurbantonggut Desert, China. Desert plants have a stronger ability capturing the rime through capture the tiny drop of water. As an occult precipitation, rime plays an important role as condensation water for the vegetation of deserts. Till now, research on the spatial distribution pattern of the rime scattered from desert shrubs and its influence on soil moisture content (SMC) have not been reported. In this study, the spatial distribution pattern of the rime scattered from the Haloxylon persicum canopies with different sizes were investigated in early winter without snow, and the influence of rime on SMC were analyzed. The results showed that the rime scattered from two shrubs both represented the pattern towards the leeward slope. The spatial distribution patterns of both rime and SMC under two shrubs fitted the Gaussian model, and the contents of rime and SMC presented the tendency of increasing firstly and then decreasing from the shrub root (center of canopy) to the outside. The structure variation coefficients of rime and SMC of two shrubs were more than 92%, indicating that the spatial variability between variables was strong and the spatial differences are mainly caused by spatial autocorrelation causing by shrub canopy. Meanwhile, the SMCs under both two shrubs were positively correlated with the scattered rime content significantly, indicating that the rime scattered from shrub improved the SMC reliably. Therefore, the results suggest that the rime will be of advantage to the growth of biological soil crusts under shrub canopy, and also promotes the selective distribution of crusts, especially for moss crusts.

参考文献

[1] Smith S D,Nowak R S.Ecophysiology of plants in the intermountain lowlands[M]//Plant biology of the basin and range.Berlin,Germany:Springer,1990:179-241.
[2] Zhang J,Zhang Y M,Downing A,et al.The influence of biological soil crusts on dew deposition in Gurbantunggut Desert,Northwestern China[J].Journal of Hydrology,2009,379(3):220-228.
[3] 方静.凝结水的生态水文效应研究进展[J].中国沙漠,2013,33(2):583-589.
[4] 庄艳丽,赵文智.干旱区凝结水研究进展[J].地球科学进展,2008,23(1):31-38.
[5] Ninari N,Berliner P R.The role of dew in the water and heat balance of bare loess soil in the Negev Desert:quantifying the actual dew deposition on the soil surface[J].Atmospheric Research,2002,64(1):323-334.
[6] 郭占荣,刘建辉.中国干旱半干旱地区土壤凝结水研究综述[J].干旱区研究,2006,22(4):576-580.
[7] 赵从举,雷加强,王雪芹,等.古尔班通古特沙漠腹地春季土壤水分空间分异研究[J].干旱区地理,2003,26(2):154-158.
[8] Herrnstadt I,Kidron G J.Reproductive strategies of Bryum dunense in three microhabitats in the Negev Desert[J].The Bryologist,2005,108(1):101-109.
[9] Benassi M,Stark L R,Brinda J C,et al.Plant size,sex expression and sexual reproduction along an elevation gradient in a desert moss[J].The Bryologist,2011,114(2):277-288.
[10] Lalley J S,Viles H A.Recovery of lichen-dominated soil crusts in a hyper-arid desert[J].Biodiversity and Conservation,2008,17:1-20.
[11] 郑新军,李嵩,吴林峰,等.古尔班通古特沙漠灌丛雾凇的生态水文学效应[J].冰川冻土,2012,34(4):942-949.
[12] 周宏飞,周宝佳,代琼.古尔班通古特沙漠植物雾凇凝结特征[J].水科学进展,2010,21(1):56-62.
[13] 曹文炳,万力,周训,等.西北地区沙丘凝结水形成机制及对生态环境影响初步探讨[J].水文地质工程地质,2003,30(2):6-10.
[14] 张元明,王雪芹.准噶尔荒漠生物结皮研究[M].北京:科学出版社,2008:62-63.
[15] Guo Y R,Zhao H L,Zuo X Y,et al.Biological soil crust development and its topsoil properties in the process of dune stabilization,Inner Mongolia,China[J].Environmental Geology,2008,54:653-662.
[16] 刘耘华,杨玉玲,盛建东,等.北疆荒漠植被梭梭立地土壤养分 “肥岛” 特征研究[J].土壤学报,2010,47(3):545-554.
[17] Wezel A,Rath T.Resource conservation strategies in agro-ecosystems of semi-arid West Africa[J].Journal of Arid Environments,2002,51(3):383-400.
[18] Eldridge D J,Zaady E,Moshe Shachak.Microphytic crusts,shrub patches and water harvesting in the Neger Desert:the Shikim[J].Landscape Ecology,2002,17:587-597.
[19] 王雪芹,张元明,张伟民,等.古尔班通古特沙漠生物结皮对地表风蚀作用影响的风洞实验[J].冰川冻土,2004,26(5):632-638.
[20] 高丽倩,赵允格,秦宁强,等.黄土丘陵区生物结皮对土壤可蚀性的影响[J].应用生态学报,2013,24(1):105-112.
[21] Herrnstadt I,Kidron GJ.Reproductive strategies of Bryum dunense in three microhabitats in the Negev Desert[J].The Bryologist 2005,108(1):101-109.
[22] 李亮亮,依艳丽,凌国鑫,等.地统计学在土壤空间变异研究中的应用[J].土壤通报,2005,36(2):265-268.
[23] 马风云,李新荣,张景光,等.沙坡头人工固沙植被土壤水分空间异质性[J].应用生态学报,2006,17(5):789-795.
[24] 侯建秀,陶冶.沙漠水渠两侧不同坡向人工固沙区土壤水分空间变异特征[J].中国农村水利水电,2013,(2):12-16.
[25] 李君,赵成义,朱宏,等.融雪后梭梭林地土壤水的多尺度空间异质性[J].中国科学:D辑,2007,36(增刊Ⅱ):45-50.
[26] 何志斌,赵文智.荒漠绿洲区人工梭梭林土壤水分空间异质性的定量研究[J].冰川冻土,2004,26(2):207-211.
[27] Kidron G J,Vonshak A,Abeliovich A.Microbiotic crusts as biomarkers for surface stability and wetness duration in the Negev Desert[J].Earth Surface Processes And Landforms,2009,34:1594-1604.
[28] 赵玲玲,夏军,许崇育,等.水文循环模拟中蒸散发估算方法综述[J].地理学报,2013,68(1):127-136.
文章导航

/