[1]艾宁,强大宏,刘广全*,等. 煤矿复垦区林龄与叶位对沙棘果叶含水量的影响[J].西北林学院学报,2020,35(1):68-72.[doi:10.3969/j.issn.1001-7461.2020.01.10]
 AI Ning,QIANG Da-hong,LIU Guang-quan*,et al. Effects of Forest Age and Leaf Position on the Water Content of the Fruit and Leaf of Hippophae rhamnoides in Coal Mine Reclamation Area[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2020,35(1):68-72.[doi:10.3969/j.issn.1001-7461.2020.01.10]
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 煤矿复垦区林龄与叶位对沙棘果叶含水量的影响()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第35卷
期数:
2020年第1期
页码:
68-72
栏目:
出版日期:
2020-01-31

文章信息/Info

Title:
 Effects of Forest Age and Leaf Position on the Water Content of the Fruit and Leaf of Hippophae rhamnoides in Coal Mine Reclamation Area
文章编号:
1001-7461(2020)01-0068-05
作者:
 艾宁123强大宏2刘广全1*土小宁4刘长海23
 (1.中国水利水电科学研究院,北京 100038;2.延安大学 生命科学学院,陕西 延安 716000;3.陕西省红枣重点实验室/延安大学,陕西 延安 716000;4.水利部 水土保持植物开发管理中心,北京 100038)
Author(s):
 AI Ning123QIANG Da-hong2LIU Guang-quan1*TU Xiao-ning4LIU Chang-hai23
 (1.China Institute of Water Resources and Hydropower Research,Beijing 100038,China; 2.College of Life Science,Yanan University,Yanan 716000,Shaanxi,China; 3.Shaanxi Key Laboratory of Chinese Jujube/Yanan University,Yanan 716000,Shaanxi,China; 4.Plant Development and Management Center for Soil and Water Conservation of MWR,Beijing 100038,China)
关键词:
 煤矿复垦区沙棘果叶含水量林龄叶位
Keywords:
 coal mine reclamation area Hippophae rhamnoides fruit and leaf water content forest age leaf position
分类号:
S793.6
DOI:
10.3969/j.issn.1001-7461.2020.01.10
文献标志码:
A
摘要:
 沙棘是我国北方矿区植被恢复重建采用的主要树种之一。沙棘果实含水量是果实利用价值的重要指标之一,叶片含水量又影响沙棘的光合生长。因此,对沙棘果叶含水量影响因素进行研究具有一定意义。通过煤矿复垦区沙棘不同林龄与叶位对果叶含水量的影响进行分析,结果表明:1)不同林龄沙棘果叶含水量存在显著差异。中国沙棘叶片含水量随着林龄的增加,呈现先增大后减少的趋势;5 a林龄为其变化拐点;果实含水量变化趋势与叶片含水量相反,呈显著负相关。大果沙棘叶片含水量随着林龄的增加,出现先增大后减少的趋势,但降低趋势不明显;林龄为6 a的大果沙棘叶片含水量最高;大果沙棘果实含水量随着林龄的增大,出现先增大后显著降低的趋势;5 a林龄大果沙棘果实含水量最大。2)低林龄和高林龄的中国沙棘叶片含水量<大果沙棘,中林龄中国沙棘叶片含水量>大果沙棘;大果沙棘的果实含水量均>中国沙棘。3)不同叶位沙棘叶片含水量存在显著差异。方位对中国沙棘叶片含水量影响较大,且阳面叶片含水量较阴面高;叶片分布部位对大果沙棘叶片含水量影响较大,且上部叶片含水量显著>中下部。同一方位,中国沙棘在上部东南方向叶片含水量显著<大果沙棘,而在下部东南方向则显著>大果沙棘;阴面的中国沙棘叶片含水量<大果沙棘,阳面反之。
Abstract:
 Hippophae rhamnoides is one of the main plant species used for vegetation restoration and reconstruction in the mining area in northern China.Fruit water content is one of the important indicators of fruit utilization value,while leaf water affects the plant photosynthetic growth.Therefore,it is meaningful to study the factors affecting the water in the fruit and leaf of H.rhamnoides.The effects of leaf position and plant age on the water content of the fruit and leaf of H.rhamnoides occurring in coal mine reclamation area were examined in this paper.Two species of H.rhamnoides were selected in the study,i.e.Chinese sea-buckthorn (CSB) and big-fruit sea-buckthorn (BFS).The results were as follows.1) For CSB,significant differences were observed in the fruit and leaf water contents among the stands with different ages; the leaf water content increased first and then decreased with the inflection point of five-year; The trend of the fruit water content was opposite to the leaf water content,For BFS,the leaf water content also increased at first and then decreased with little amplitude; The highest leaf water content was found in the stand with the age of six years,but the decreasing trend was not obvious; the fruit water content increased at first and then decreased significantly; the fruit water content was the highest in 5-year stand.2) The leaf water content of CSB was lower than that of BFS in young and old stands; for middle-age stand,the leaf water content of BFS was higher than that of CSB.The fruit water content of BFS was higher than CSB.3) The leaf water content was significantly different among the leaves with different leaf positions.The leaf position had significant impacts on the leaf water content of CSB,and the leaf water content in the sunny side leaves was higher than that in the shady side.The leaf distribution also had a great influence on the leaf water content of BFS,and the water content of the top leaves was significantly higher than those of the middle and lower parts.In the same orientation,the leaf water content of CSB in the upper part in southeast was significantly lower than that of the MFS,and in the lower part,it was opposite.The leaf water content of the CSB in the shady side leaves was lower than that of BFS,and it was opposite in the sunny side.

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备注/Memo

备注/Memo:
 收稿日期:2019-02-22修回日期:2019-07-23
基金项目:“十三五”国家重点研发计划(2016YFC0501602,2016YFC0501705);深圳市铁汉生态环境股份有限公司项目(THRD016);延安大学产学研合作培育项目(YDCXY2018-03)。
作者简介:艾宁,男,博士后,研究方向:水土保持与林业生态工程。E-mail:aining_office@126.com
*通信作者:刘广全,男,研究员,博士,研究方向:流域水土资源和生态系统管理技术。E-mail:gqliu@iwhr.com
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