不同植被类型对黄河三角洲贝壳堤土壤水文功能的影响

魏晓明; 夏江宝; 孔雪华; 任加云; 杨吉华

doi:10.13961/j.cnki.stbctb.2014.04.020

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不同植被类型对黄河三角洲贝壳堤土壤水文功能的影响

试验研究

- 不同植被类型对黄河三角洲贝壳堤土壤水文功能的影响
- Effect of Different Vegetation Types on Soil Hydrological Function at Shell Ridge in Yellow Delta
- 水土保持通报 2014年33卷第4期页码：28-32
- 作者机构：
  
  1. 山东农业大学林学院,山东,泰安,271018
  2. 滨州学院山东省黄河三角洲生态环境重点实验室,山东,滨州,256603
  3. 潍坊科技学院, 山东寿光,262700
- 作者简介：
- 基金信息：
  
  国家自然科学基金项目"贝壳堤岛3种灌木光合效率对土壤水分的阈值效应"(31100468);山东省高校科研发展计划项目(J13LC03);山东省科技发展计划项目(2013YD17001)
- DOI：10.13961/j.cnki.stbctb.2014.04.020
  中图分类号：
- 纸质出版：2014
- 稿件说明：
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魏晓明, 夏江宝, 孔雪华, 等. 不同植被类型对黄河三角洲贝壳堤土壤水文功能的影响[J]. 水土保持通报, 2014,33(4):28-32.

WEI Xiao-ming, XIA Jiang-bao, KONG Xue-hua, et al. Effect of Different Vegetation Types on Soil Hydrological Function at Shell Ridge in Yellow Delta[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 28-32.
魏晓明, 夏江宝, 孔雪华, 等. 不同植被类型对黄河三角洲贝壳堤土壤水文功能的影响[J]. 水土保持通报, 2014,33(4):28-32. DOI： 10.13961/j.cnki.stbctb.2014.04.020.

WEI Xiao-ming, XIA Jiang-bao, KONG Xue-hua, et al. Effect of Different Vegetation Types on Soil Hydrological Function at Shell Ridge in Yellow Delta[J]. Bulletin of Soiland Water Conservation, 2014, 33(4): 28-32. DOI： 10.13961/j.cnki.stbctb.2014.04.020.

摘要

以滩涂裸地为对照

对黄河三角洲贝壳堤向海侧的盐生灌草、滩脊地带的旱生灌草及向陆侧的盐生草3种植被类型的土壤水文功能进行了研究。结果表明

与裸地相比

贝壳堤生境条件下的盐生灌草、旱生灌草及盐生草3种植被类型土壤容重降低了8.5%~20.8%

总孔隙度增加了17.1%~46.1%。滩脊地带的旱生灌草改善土壤孔隙状况效果最好

向陆侧的盐生草最差。3种植被类型具有一定的压碱抑盐效应

降盐碱功能表现为滩脊地带的旱生灌草最好

其次为向海侧的盐生灌草

而向陆侧盐生草最差。不同被覆地类土壤渗透性能大小表现为:向陆侧盐生草 < 滩脊地带旱生灌草 < 向海侧盐生灌草 < 裸地。0-40 cm土层的土壤饱和贮水量和毛管贮水量表现为:滩脊地带旱生灌草 > 向海侧盐生灌草 > 向陆侧盐生草。在垂直层次上

贝壳堤不同植被类型改良盐碱、土壤孔隙状况及贮水性能均表现为0-20 cm优于20-40 cm土层。研究表明

贝壳堤滩脊地带旱生灌草植被的土壤贮蓄水分及降盐改土能力最优

其次为向海侧的盐生灌草

向陆侧的盐生草较差。

Abstract

Compared with bare land

soil hydrological characteristics of three kinds of saline bringing

xerophytic bringing and saline herbaceous were researched in shell ridge island of the Yellow River Delta. Results indicated that compared with bare land

the soil bulk density of three vegetation types decreased by 8.5%~20.8%

soil total porosity increased by 17.1%~46.1%

the effect of xerophytic bringing vegetation in beach ridge zone was the best

the effect of saline herbaceous vegetation close to landside was the worst. The sequence of the soil permeability characteristics of different vegetation types was in the following increasing order: saline herbaceous vegetation close to landside < xerophytic bringing vegetation in beach ridge zone < saline bringing vegetation close to the seaside < bare land. The sequence of the soil saturated water and capillary water of the soil layer in 0-40 cm was in the following decreasing order: xerophytic bringing vegetation in beach ridge zone > saline bringing vegetation close to the seaside > saline herbaceous vegetation close to landside. The soil water storage performance and improved effect of the soil layer in 0-20 cm were better than that in 20-40 cm. The ability of soil water savings

salt reducing and soil improving of xerophytic bringing vegetation in beach ridge zone was the best

that of saline herbaceous vegetation close to landside was the worst.

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Keywords

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