文献类型：期刊文献

中文题名：抚育方式对鄂中丘陵区马尾松人工林林下持水能力的影响

英文题名：Effects of Tending Methods on the Understory Water-holding Capacity of Pinus massoniana Plantations in the Hilly Region of Central Hubei Province

作者：斛如媛[1,2] 勾蒙蒙[1,2,3] 刘常富[1,2,3] 肖文发[1,2,3] 陈会玲[1,2] 朱粟锋[1,2] 赵海平[1,2]

第一作者：斛如媛

机构：[1]中国林业科学研究院森林生态环境与自然保护研究所,国家林业和草原局森林生态环境重点实验室,北京100091;[2]湖北秭归三峡库区森林生态系统定位观测研究站,湖北宜昌443600;[3]南京林业大学南方现代林业协同创新中心,江苏南京210037

年份：2026

卷号：39

期号：1

起止页码：202-212

中文期刊名：林业科学研究

外文期刊名：Forest Research

收录：;北大核心:【北大核心2023】；

基金：国家重点研发计划(2023YFE011280402、2023YFD220040502)。

语种：中文

中文关键词：马尾松人工林;抚育方式;持水能力;林下结构;鄂中丘陵区

外文关键词：Pinus massoniana plantation;tending method;water-holding capacity;understory structure;hilly region of central Hubei Province

分类号：S715.3

摘要：[目的]探究不同抚育方式对鄂中丘陵区马尾松人工林林下结构持水能力的影响,为马尾松人工林森林生态系统水源涵养功能提升提供理论依据。[方法]以鄂中丘陵区马尾松人工林为研究对象,设置对照、间伐强度15%、30%、45%和结构化经营5种抚育方式,分别采用室内浸泡法和环刀法定量评估5种抚育方式下的灌草层、枯落物层和不同土层的(0~10、10~20、20~30、30~40、40~60 cm)持水能力,通过综合指标体系(包括3个系统层、5个准则层和28个指标层)构建评价林下总持水能力。[结果]间伐和结构化经营显著提高了灌草层持水能力,且结构化经营显著提高了灌木的有效拦蓄量(0.61±0.14 t·hm^(-2))和有效拦蓄率(69.90±32.39%),15%的间伐强度能显著提升草本的持水能力。随间伐强度增加,枯落物层的最大持水量和有效拦蓄量均表现为先增加后减小的趋势,且间伐强度为30%时枯落物持水能力最高。马尾松人工林抚育处理显著降低了土壤的自然持水量和田间持水量。不同抚育方式下,林下总持水能力表现为间伐强度30%(0.546)>对照(0.502)>结构化经营(0.494)>间伐强度15%(0.473)>间伐强度45%(0.423)。[结论]在鄂中丘陵区马尾松人工林经营中,可选择间伐强度30%的抚育方式来提升林下水源涵养能力。
[Objective]The study aims to explore the effects of different tending methods on understory water-holding capacity of Pinus massoniana plantations in the hilly region of central Hubei Province for providing a theoretical basis to improve the water conservation function of Pinus massoniana plantation forest ecosystem.[Method]Based on Pinus massoniana plantations in hilly region of central Hubei Province five different tending methods including control,thinning intensity of 15%,30%,45%and structured management were applied.The understory water-holding capacity of understory shrub,herb,litter and different soil layer(0~10、10~20、20~30、30~40、40~60 cm)were evaluated through the indoor soaking method and ring knife method,respectively.And the total understory water-holding capacity was evaluated through the construction of a comprehensive index system(including 3 system layers,5 standard layers and 28 index layers).[Result]Thinning and structured management significantly improved the water-holding capacity of shrub and herb layer.Meanwhile,structured management significantly improved the effective storage capacity(0.61±0.14 t·hm^(?2))and effective retention rate(69.90±32.39%)of shrub,and a thinning intensity of 15%significantly improved the water-holding capacity of herbs.With the increase of thinning intensity,both the maximum water-holding capacity and effective storage capacity of litter layer increased first and then decreased,peaking at 30%thinning intensity.Tending treatments significantly reduced both the natural and field water-holding capacity of soil.Under different tending methods,the total water-holding capacity of understory under thinning intensity 30%(0.546)was the highest,followed by control(0.502),structured management(0.494),thinning intensity of 15%(0.473)>45%(0.423).[Conclusion]A thinning intensity of 30%is recommended for enhancing the understory water conservation function in Pinus massoniana plantations in hilly region of central Hubei Province.