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《山东大学学报(理学版)》 ›› 2020, Vol. 55 ›› Issue (1): 117-126.doi: 10.6040/j.issn.1671-9352.0.2019.362

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熵权-TOPSIS法在华北石质山区常用造林树种抗旱性评价中的应用

李泽东1(),曹振1,张如明1,李亦然1,程甜甜2,张永涛1,*()   

  1. 1. 山东农业大学林学院, 山东省土壤侵蚀与生态修复重点实验室, 山东泰山森林生态系统国家定位研究站, 山东 泰安 271018
    2. 莱芜市水土保持办公室, 山东 莱芜 271100
  • 收稿日期:2019-05-31 出版日期:2020-01-20 发布日期:2020-01-10
  • 通讯作者: 张永涛 E-mail:lizedong19940708@163.com;yongtaozhang@126.com
  • 作者简介:李泽东(1994—),男,硕士研究生,研究方向为林业生态工程. E-mail:lizedong19940708@163.com
  • 基金资助:
    欧洲投资银行贷款沿海防护林工程项目(SCSFP-KY-3);世界银行贷款山东生态造林项目(SEAP-KY-1)

Application of entropy weight-TOPSIS method to drought resistance evaluation of common afforestation tree species in the lithoid hilly area of North China

Ze-dong LI1(),Zhen CAO1,Ru-ming ZHANG1,Yi-ran LI1,Tian-tian CHENG2,Yong-tao ZHANG1,*()   

  1. 1. Forestry College, Shandong Agricultural University, Shandong Provincial Key Laboratory of Soil Erosion and Ecological Restoration, Mountain Tai Forest Ecosystem Research Station of State Forestry Administration, Taian 271018, Shandong, China
    2. Office of the Development of Laiwu Water Conservancy, Laiwu 271100, Shandong, China
  • Received:2019-05-31 Online:2020-01-20 Published:2020-01-10
  • Contact: Yong-tao ZHANG E-mail:lizedong19940708@163.com;yongtaozhang@126.com

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摘要：

为了探求熵权-TOPSIS法在植物抗旱性评价中的应用,采用盆栽试验控水的试验方法,测定白蜡等7个华北石质山区常用造林树种在持续干旱条件下的净光合速率(Pn)、叶绿素含量、气孔导度、水分利用效率(WUE)、丙二醛(MDA)含量、细胞膜透性、超氧化物歧化酶(SOD)活性、脯氨酸含量和叶片相对含水量9个生理指标对干旱胁迫的响应,并对不同植物在遭受干旱胁迫时的光合效应和渗透调节效应分别进行评价。结果表明:干旱胁迫时,皂荚的光合效应和渗透调节效应的Ci值均高于其他树种的,分别为0.669和0.528,即皂荚的抗旱性在7个树种中居于首位;基于熵权-TOPSIS原理对7个树种9个指标进行抗旱性综合评价排序为皂荚>苦楝>麻栎>刺槐>黄栌>白蜡>栾树。运用基于熵权-TOPSIS法对各个树种的抗旱性评价所得结果与植物实际生长状况和前人研究结果基本一致,验证了运用此方法对植物抗旱性进行综合评价的可行性。

关键词: 熵权-TOPSIS法, 华北石质山区, 抗旱性评价

Abstract:

In order to explore the application of entropy weight-TOPSIS method in plant drought resistance evaluation, taking potted water control as experimental method and seedlings of 7 common afforestation tree species in lithoid hilly area of North China such as F.chinensis were used as experimental materials, then measured their net photosynthetic rate (Pn), chlorophyll content, stomatal conductance(gs), water use efficiency (WUE), malondialdehyde (MDA) content, cell membrane permeability, superoxide dismutase (SOD) activity, proline content and relative water content of the leaves. The responses of these indicators to drought stress were analyzed, and the photosynthesis and osmotic adjustment effects of different plants under drought stress were evaluated. The results showed that, under drought stress, the Ci of photosynthetic effect and osmotic regulation effect of G.sinensis were higher than those of other tree species, which were 0.669 and 0.528, this indicates that the G.sinensis has the strongest drought resistance. Based on entropy weight-TOPSIS principle, the drought resistance of 7 tree species was evaluated by comprehensive evaluation: G.sinensis>M.azedarach>Q.acutissima>R.pseudoacacia>C.coggygria>F.chinensis>K.paniculata. The results of drought resistance evaluation of tree species based on entropy weight-TOPSIS method were consistent with the actual growth of plants and previous studies. So the comprehensive evaluation of the drought resistance of the plant is feasible by using the method.

Key words: entropy weight-TOPSIS method, lithoid hilly area of North China, drought resistance evaluation

中图分类号: 

  • S175.1

图1

干旱胁迫对植物光合作用的影响"

表1

干旱胁迫下植物光合作用各评价指标熵值与权重"

树种 Pn下降程度/% 叶绿素含量/(μg·g-1) 气孔导度/(μmol·m-2·s-1) 水分利用效率/(mmol·mol-1)
白蜡 0.987 21.324 144.800 1.958
刺槐 0.812 8.914 123.200 1.717
麻栎 0.683 15.019 94.833 2.140
黄栌 0.770 14.073 116.000 2.682
皂荚 0.149 16.429 256.067 1.748
苦楝 1.000 33.479 111.067 2.681
栾树 1.028 18.217 104.583 2.283
熵值 0.461 0.287 0.285 0.268
权重 0.200 0.264 0.265 0.271

表2

干旱胁迫下不同树种光合作用Ci值与排序结果"

树种 D+ D- Ci 排序
白蜡 0.188 0.073 0.280 3
刺槐 0.220 0.021 0.086 7
麻栎 0.206 0.039 0.160 6
黄栌 0.203 0.055 0.213 4
皂荚 0.097 0.196 0.669 1
苦楝 0.186 0.134 0.419 2
栾树 0.205 0.055 0.211 5

表3

干旱胁迫下植物渗透调节各评价指标熵值与权重"

树种 MDA含量上升幅度/% 细胞膜透性/% SOD活性/(U·g-1) 脯氨酸含量/(mg·g-1) 叶片相对含水量/%
白蜡 42.206 42.547 172.062 18.335 38.792
刺槐 49.296 19.623 171.689 232.587 19.577
麻栎 30.394 29.312 271.181 20.555 6.744
黄栌 40.456 20.212 244.384 154.906 39.328
皂荚 75.912 38.680 180.452 233.011 11.347
苦楝 45.250 24.817 215.662 542.275 36.179
栾树 52.792 34.426 221.493 80.049 33.403
熵值 0.273 0.275 0.268 0.407 0.357
权重 0.213 0.212 0.214 0.173 0.188

表4

干旱胁迫下不同树种渗透调节作用Ci值与排序结果"

树种 D+ D- Ci 排序Rank
白蜡 0.158 0.037 0.191 7
刺槐 0.100 0.086 0.462 2
麻栎 0.142 0.083 0.370 4
黄栌 0.107 0.082 0.436 3
皂荚 0.124 0.058 0.318 5
苦楝 0.051 0.147 0.740 1
栾树 0.141 0.035 0.201 6

表5

干旱胁迫下植物各评价指标熵值与权重"

树种 Pn下降
程度/%		 叶绿素含量/
(μg·g-1)		 气孔导度/
(μmol·m-2·s-1)		 水分利用效率/
(mmol·mol-1)		 MDA含量
上升幅度/%		 细胞膜
透性/%		 SOD活性
/(U·g-1)		 脯氨酸含量
/(mg/g)		 叶片相对
含水量/%
白蜡 98.658 21.324 144.800 1.958 42.206 42.547 172.062 18.335 38.792
刺槐 81.159 8.914 123.200 1.717 49.296 19.623 171.689 232.587 19.577
麻栎 68.286 15.019 94.833 2.14 30.394 29.312 271.181 20.555 6.744
黄栌 77.016 14.073 116.000 2.682 40.456 20.212 244.384 154.906 39.328
皂荚 14.896 16.429 256.067 1.748 75.912 38.680 180.452 233.011 11.347
苦楝 100.000 33.479 111.067 2.681 45.250 24.817 215.662 542.275 36.179
栾树 102.830 18.217 104.583 2.283 52.792 34.426 221.493 80.049 33.403
熵值 0.461 0.287 0.285 0.268 0.273 0.275 0.268 0.407 0.287
权重 0.088 0.117 0.117 0.120 0.119 0.118 0.120 0.097 0.117

表6

干旱胁迫下不同树种Ci值与排序结果"

树种 D+ D- Ci 排序Rank
白蜡 0.139 0.038 0.216 6
刺槐 0.127 0.052 0.289 4
麻栎 0.121 0.084 0.411 3
黄栌 0.125 0.050 0.288 5
皂荚 0.088 0.099 0.528 1
苦楝 0.110 0.101 0.480 2
栾树 0.137 0.031 0.184 7

图2

干旱胁迫对植物渗透调节作用的影响"

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