[1]包雪源,杨振奇*,郭建英,等. 黄河流域砒砂岩区典型水土保持植被生长特征及限制因素研究[J].西北林学院学报,2023,38(1):50-57.[doi:10.3969/j.issn.1001-7461.2023.01.07]
 BAO Xue-yuan,YANG Zhen-qi*,GUO Jian-ying,et al. Growth Characteristics and Limiting Factors of Typical Soil and Water Conservation Vegetation in the Feldspathic Sandstone Region of the Yellow River[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(1):50-57.[doi:10.3969/j.issn.1001-7461.2023.01.07]
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 黄河流域砒砂岩区典型水土保持植被生长特征及限制因素研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第1期
页码:
50-57
栏目:
出版日期:
2023-01-31

文章信息/Info

Title:
 Growth Characteristics and Limiting Factors of Typical Soil and Water Conservation Vegetation in the Feldspathic Sandstone Region of the Yellow River
文章编号:
1001-7461(2023)01-0050-08
作者:
 包雪源1杨振奇2*郭建英2秦富仓3刘铁军2
 (1.内蒙古自治区林业和草原工作总站,内蒙古 呼和浩特 010018;2.中国水利水电科学研究院 内蒙古阴山北麓草原生态水文国家野外科学观测研究站,北京 100038;3.内蒙古农业大学 沙漠治理学院,内蒙古 呼和浩特 010020)
Author(s):
 BAO Xue-yuan1YANG Zhen-qi2*GUO Jian-ying2QIN Fu-cang3LIU Tie-jun2
 (1.Inner Mongolia Autonomous Region Forestry Work Staition,Hohhot 010018,Inner Mongolia,China; 2.Yinshanbeilu Grassland Eco-hydrology National Observation and Research Station,China Institute of Water Resources and Hydropower Research,Beijing 100038,China; 3.Desert Science and Engineering College,Inner Mongolia Agricultural University,Hohhot 010020,Inner Mongolia,China)
关键词:
 砒砂岩区水土保持植被生长限制因素通径分析
Keywords:
 feldspathic sandstone region soil and water conservation vegetation limiting factors path analysis
分类号:
S714.7
DOI:
10.3969/j.issn.1001-7461.2023.01.07
文献标志码:
A
摘要:
 以内蒙古砒砂岩区鲍家沟小流域为研究区,以该流域典型水土保持植被为研究对象,探究水土保持植被的生长特征及其限制性因子。结果表明:1)砒砂岩区典型小流域的水土保持植被种类相对单一,沙棘和柠条林生长发育状态相对稳定,油松,山杏林的生长发育状态受立地条件影响较大;2)各林地土壤有机质含量在2.45~6.23 g·kg-1,土壤容重在1.51~1.71 g·cm-3,土壤含水率在10%~18%,研究区土壤紧实,肥力条件较差;3)通径分析的结果表明,土壤有机质为限制砒砂岩区人工林生长发育的直接限制性因子,坡度和坡向因子为间接限制性因子。研究砒砂岩区水土保持植被的生长发育特征,建立其生长特征与环境因子的联系,对于深入解读生态恢复过程,减轻入黄泥沙有重要意义。
Abstract:
 The feldspathic sandstone region is one of the main coarse sand source regions in the middle reach of Yellow River.Studying the growth characteristics of typical soil and water conservation vegetation and establish the relationship between the growth characteristics and environmental factors in exposed feldspathic sandstone region had great significance to guide vegetation construction and reduce coarse sand into Yellow River.According to the characteristics of watershed topography and plantation distribution,the forest of Pinus tabuliformis,Prunus armeniaca,Hippophae rhamnoides,Caragana korshinskii and et al.which are growing well in typical terrain with same forest age are selected as the research object,and studies the growth and development characteristics of soil and water conservation vegetation in the Baojiagou small watershed.The results show that:1) The tree species structure of typical small watersheds in the soft sandstone area is relatively simple,the growth and development state of Hippophae rhamnoides and Caragana korshinskii forests is relatively stable,and the growth and development state of Pinus tabuliformis and Prunus armeniaca forests are greatly affected by site conditions.2) Soil organic matter ranged from 2.45 to 6.23 g·kg-1,soil bulk density ranged from 1.51 to 1.71 g·cm-3,and soil water content ranged from 10% to 18%.The soil in the study area was compact with poor fertility conditions.3) Path analysis shows that soil organic matter is the direct limiting factor,while slope and aspect are the indirect limiting factor.

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备注/Memo

备注/Memo:
 收稿日期:2021-11-16修回日期:2021-12-27
基金项目:内蒙古自治区科技兴蒙行动重点专项(KJXM-EEDS-2020005);内蒙古自治区科技计划项目(2021GG0052);内蒙古自治区科技重大专项(2021ZD0008)。
第一作者:包雪源。研究方向:林业、生态修复。E-mail:843296578@qq.com
*通信作者:杨振奇,博士。研究方向:水土保持与荒漠化防治。E-mail:yangzq1993@163.com
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