文档介绍：1
2012年 3月防护林科技 Mar.,2012
第 2期(总107期) Protection Forest Science and Technology ()
文章编号:1005-5215(2012)02—0001—04
沿海沙地木麻黄更新迹地 6种相思树
的水源涵养功能比较
陈国华,陈海艳,李宝福,张鼎华
(,福建福州 350108;)
摘要:对木麻黄更新迹地上引种的 8年生 6种相思树种林分涵养水源能力进行了比较,并以平潭2号木麻黄为对
照,结果表明:与木麻黄相比,肯氏相思、厚荚相思和纹荚相思有更强的水源涵养能力,在6种相思中,地上部分持
水量以厚荚相思为最高,·hm~,大小排序为厚荚相思>肯氏相思>纹荚相思>卷荚相思>大叶直干相
思>马占相思;根系土壤层的持水能力以肯氏相思的土壤蓄水量最大, t·hm一:林分总持水量以肯氏
相思最高, ~,其次为厚荚相思和纹荚相思, 1 ~。从涵
养水源的能力角度来评判,肯氏相思、厚荚相思和纹荚相思作为沿海木麻黄防护林更新树种,有一定前景。
关键词:相思树种;沿海沙地;水源涵养;迹地更新
中图分类号: 文献标识码:A
W ater ConservationFunction ofSix Acacia
on Slash Regeneration ofCoastal SandyLand
CHEN Guo—hua ,CHEN' Hai—yan , ,LI Bao-fu ,ZHANG
( of Life Science,Fujian Normal University,Fuzhou 350108,China; Science,Fujian(,Fuzhou Normal Life of AcademyForestry) of
Abstract:Water conservation function of six Acacia 8-year-old Casuarina equisetifolia on slash regeneration of coast— coast— of regeneration slash on equisetifolia Casuarina Acacia 8-year-old six of function Abstract:Waterconservation
al sandy land Casuarina equisetifolia was taken as shows pared to pared that shows as taken land sandy equisetifolia al Casuarina
Casuarina equisetifolia,Acacia cunninghamii,Acacia cr∞s nrp口&Acacia aulacocarpa have stronger water conservation ca— ca— conservation cr∞s water cunninghamii,Acacia nrp口&Acaciastronger have equisetifolia,Acacia aulacocarpa Casuarina
—groundwater—holding capacity ,of 6 s 口,p0 theis highest sixAcaciaof spp.,being t·hm‘
descending order is ∞s is order descending 口 o>>>Acacia auriculiformis>Aca— concinnatai>Acacia
cia ,soil soil water storage capacity the highest,being is t·hm ;in theforest