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[1]杨益帆,胡宗达**,李亚非,等.川西亚高山川滇高山栎灌丛地被物与土壤持水性能[J].应用与环境生物学报,2021,27(02):1-16.[doi:10.19675/j.cnki.1006-687x.2020.03057]
 YANG Yifan HU Zongda LI Yafei WU Deyong YU Hao & OU Dinghua.Water Conservation Capacity of Ground Cover and Soils in Subalpine Quercus aquifolioides Shrub in Western Sichuan, China[J].Chinese Journal of Applied & Environmental Biology,2021,27(02):1-16.[doi:10.19675/j.cnki.1006-687x.2020.03057]
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川西亚高山川滇高山栎灌丛地被物与土壤持水性能()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
27卷
期数:
2021年02期
页码:
1-16
栏目:
出版日期:
2021-04-25

文章信息/Info

Title:
Water Conservation Capacity of Ground Cover and Soils in Subalpine Quercus aquifolioides Shrub in Western Sichuan, China
作者:
杨益帆胡宗达**李亚非余昊吴德勇欧定华
四川农业大学资源学院,成都 611130
Author(s):
YANG Yifan HU Zongda LI Yafei WU Deyong YU Hao & OU Dinghua
College of Resources, Sichuan Agricultural University, Chengdu 611130, China
关键词:
亚高山灌丛水源涵养持水性能土壤性质川西
Keywords:
subalpine shrub water conservation water holding capacity soil properties western Sichuan
DOI:
10.19675/j.cnki.1006-687x.2020.03057
摘要:
为进一步研究川西亚高山灌丛的水文特性,选取米亚罗林区川滇高山栎灌丛正向演替的4种类型和杜鹃灌丛(CK),测定林下地表枯落物、苔藓和土壤的持水能力以及探讨土壤持水能力的影响因素。结果表明:(1)地表枯落物积蓄量表现为川滇高山栎?陕甘花楸灌丛(QS)< 杜鹃灌丛(CK)< 川滇高山栎?华山松灌丛(QM)< 川滇高山栎?云杉灌丛(QP)< 川滇高山栎?粉背黄栌灌丛(QC);苔藓积蓄量为QC < QP < QM < CK;(2)枯落物最大持水量和有效拦蓄量分别为163.78-351.78 t/hm 2和17.69-79.65 t/hm 2,二者为CK > QP > QC > QM > QS;苔藓最大持水量和有效拦蓄量分别为12.48-1207.88 t/hm 2和5.24-741.07 t/hm 2,均为CK > QM > QP > QC;(3)土壤最大持水量为887.06-1373.19 t/hm 2,表现为CK > QS > QP > QC > QM;(4)土壤非毛管持水量为221.25-576.23 t/hm2,表现为CK > QP > QS > QM > QC。(5)综合水源涵养能力为CK > QP > QM > QS > QC。综合地被物持水和土壤持水,地被物层持水能力占综合持水量的21.30%。随川滇高山栎灌丛正向演替的发展,地被物调节水量的作用逐渐增加。因此,对其灌丛维护和经营管理中,应强化地被物的监管力度。(图5 表5 参49)
Abstract:
Soil water retention directly or in directly affect forest ecosystems soil properties and soil hydrological process. In order to further study the hydrological characteristics of alpine shrubs in western Sichuan, Rhododendron simsii shrub (CK) and four Quercus aquifolioides shrubs under different succession stages were used as research objects. Water conservation function of different types of shrub litter layer, moss layer and soil layer were analyzed by cutting ring method , drying method and indoor immersion method. The results showed that: (1) The surface litter accumulation in different shrub types was ranked as follows: Q. aquifolioides?Sorbus koehneana shrub (QS) < Rhododendron simsii shrub (CK) < Q. aquifolioides?Pinus massoniana shrub (QM) < Q. aquifolioides?Picea asperata shrub (QP) < Q. aquifolioides?Cotinus coggygria var. glaucophylla shrub (QC), accumulation of moss was QC < QP < QM < CK. (2) The maximum water holding capacity and effective storage capacity of litters were 163.78-351.78 t/hm 2 and 17.69-79.65 t/h m2, and the order of the both index were CK > QP > QC > QM > QS; The maximum water holding capacity and effective storage capacity of moss were 12.48-1207.88 t/hm2 and 5.24-741.07 t/hm 2, respectively, CK > QM > QP > QC. (3) The maximum water holding capacity of soil was 887.06-1373.19 t/hm 2, CK > QS > QP > QC > QM . (4) The non - capillary porosity of the soil was 221.25-576.23 t/hm2, CK > QP > QS > QM > QC; The density, total porosity, and capillary porosity of QC and QM were generally higher than those of QP and QS, respectively. The order of comprehensive water conservation function of different shrub types was CK > QP > QM > QS > QC. Combined considering the water holding capacity of ground covers and soils, the ground covers accounted for 21.30 % of the total water holding capacity of the whole ecosystem. Moreover, the water regulating function of the ground covers will increase with the Q. aquifolioides shrub positive succession. Therefore, the supervision of the ground covers should be strengthened during the process of maintenance and management of the Q. aquifolioides shrub.

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[1]秦嘉励,杨万勤,张健.岷江上游典型生态系统水源涵养量及价值评估[J].应用与环境生物学报,2009,15(04):453.[doi:10.3724/SP.J.1145.2009.00453]
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[4]杨益帆,胡宗达,李亚非,等.川西亚高山川滇高山栎灌丛地被物与土壤持水性能[J].应用与环境生物学报,2020,26(04):951.
 YANG Yifan,HU Zongda,LI Yafei,et al.Water conservation capacity of ground cover and soils in the subalpine Quercus aquifolioides shrubs of western Sichuan, China[J].Chinese Journal of Applied & Environmental Biology,2020,26(02):951.

备注/Memo

备注/Memo:
收稿日期 Received: 2020-03-30 接受日期 Accepted: 2020-06-09
四川省环境治理与生态保护重大科技专项(2018SZDZX0031)和国家重点研发项目(2017YFC0505004)资助
**通讯作者 Corresponding author (E-mail: huzd98@163.com)
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更新日期/Last Update: 2020-07-03