Hydrological Effects of Litter in Forest Parks Under Multi

ZHENG Miao; GUO Yi; XIN Rujie; LI Qinghua

doi:10.13870/j.cnki.stbcxb.2022.03.017

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Hydrological Effects of Litter in Forest Parks Under Multi

更新时间：2026-04-09

- Hydrological Effects of Litter in Forest Parks Under Multi
- Vol. 36, Issue 3, Pages: 115-121(2022)
- 作者机构：
- 作者简介：
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- DOI：10.13870/j.cnki.stbcxb.2022.03.017
  CLC： S715.3
- Online First：27 May 2022，
  
  Published：2022
- 稿件说明：
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ZHENG Miao, GUO Yi, XIN Rujie, et al. Hydrological Effects of Litter in Forest Parks Under Multi[J]. 2022, 36(3): 115-121.
DOI：

ZHENG Miao, GUO Yi, XIN Rujie, et al. Hydrological Effects of Litter in Forest Parks Under Multi[J]. 2022, 36(3): 115-121. DOI： 10.13870/j.cnki.stbcxb.2022.03.017.

摘要

为探究森林公园植被的水源涵养能力

为森林公园植被配置和经营管理提供依据

研究选取天龙山森林公园6种林分(油松、山杨、刺槐、油松—侧柏混交林、侧柏—油松—杏树混交和灌木林)为研究对象

通过测定林下枯落物厚度、蓄积量、持水性能和干扰度等指标

研究不同林分类型枯落物水文效应。结果表明:(1)所有林分枯落物干扰度范围为无到中度

厚度范围为0.57~2.63 cm

山杨最厚

侧柏—油松—杏混交林最薄;蓄积量范围为7.20~16.30 t/hm2

油松—侧柏混交林最大

侧柏—油松—杏混交林最小。(2)6种林分除山杨林以外

半分解层最大持水量均大于未分解层持水量

其中油松—侧柏最大

山杨最小;未分解层最大持水率均大于半分解层

刺槐最大

灌木林最小。枯落物的总最大持水量为20.02~27.90 t/hm2

总最大持水率为187.40%~277.89%

针阔混交林的持水率较高。(3)山杨有效拦蓄量最大

为15.05 t/hm2

而油松最小

为12.33 t/hm2;侧柏—油松—杏混交林的拦蓄率最大;(4)枯落物持水量、持水率与时间分别为对数和幂函数关系

均在泡水2 h达到极值。综合对比6种林分

轻度干扰的山杨水文效益最优

中度干扰的油松纯林、油松—侧柏混交林最差;阔叶树种水文效应较优于针叶树种

针阔混交优于纯林。研究结果可为森林公园植被管理和水土保持效益评价提供参考依据。

Abstract

To explore the water conservation capacity of vegetation in the forest park and provide a reference for vegetation configuration and management

six typical stands in Tianlong Mountain Forest Park were selected to investigate and analyze the litter thickness

accumulation

water holding and other indicators inside the forest. Soaking methods were used to measure the hydrological effect of litter.(1) The interference and thickness of litter ranged from none to moderate and from 0.57 to 2.63 cm

respectively

among which

Populus davidiana gave the largest

and the mixed forest of Platycladus orientalis-Pinus tabuliformis-Armeniaca sibirica gave the smallest. The accumulation range was 7.20~16.30 t/hm2

among which

Pinus tabuliformis-Platycladus orientalis mixed forest was the largest

and Platycladus orientalis-Pinus tabuliformis-Armeniaca sibirica mixed forest was the smallest. (2) Except for Populus davidiana

the maximum water holding capacity of the semi-decomposed layer was greater than that of the undecomposed layer

among which

Pinus tabulaeformis-Platycladus orientalis was the largest and Platycladus orientaliswas the smallest. The maximum water holding rate of undecomposed layer was larger than that of semi-decomposed layer

the largest was found under Robinia pseudoacacia and the smallest under shrub. The range of maximum water holding capacity was 20.02~27.90 t/hm2

and the range of maximum water holding rate was 187.40%~277.89%. The water holding rates of coniferous and broad-leaved mixed forest were comparatively higher. (3) The maximum effective storage capacity of tree species was found in Populus davidiana with its value of 15.05 t/hm2; the minimum was Pinus tabuliformis of 12.33 t/hm2. Platycladus orientalis-Pinus tabuliformis-Armeniaca sibirica mixed forest had the maximum storage rate. (4) The relationships of litter water holding capacity and water holding rate with time could be fitted by logarithmic and power functions

respectively. Both of them reached the peak values within two hours of soaking in water. Based on the comprehensive comparison of six forests

light disturbed Populus davidiana had the best hydrological benefits; oppositely

moderate disturbed Pinus tabuliformis-Platycladus orientalis mixed forests had the worst. The broad-leaved species had better hydrological effects than coniferous species

and the mixed coniferous and broad-leaved species were better than a single species. These consequences can provide references for the vegetation configuration and hydrological benefit evaluation of forest parks.

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