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요약정보
麻栎不同种源幼林生长和生物量的变异 / Variation in Growth and Biomass of Quercus acutissima Provenances
Resource Type
Academic Journal
Authors
苑海静
;
邢文黎
;
徐海东
;
汪阳东
;
成向荣
;
张春祥
;
YUAN Hai-jing
;
XING Wen-li
;
XU Hai-dong
;
WANG Yang-dong
;
CHENG Xiang-rong
;
ZHANG Chun-xiang
Source
林业科学研究 / Forest Research
. 33(5):97-105
Subject
麻栎
生长
地上单株生物量
种源变异
Language
Chinese
ISSN
1001-1498
Online Access
Scopus
Find it @ DONGA
초록
[目的]通过种源试验研究麻栎生长动态变化及不同种源生长差异,为麻栎炭用林高效培育提供优良种植材料.[方法]以安徽省滁州市红琊山国有林场麻栎种源试验林为研究对象,通过调查35个种源的存活率,以及1年生、4年生、7年生和11年生麻栎生长和地上生物量变化,分析种源间林木生长差异,并对生长性状进行聚类分析和综合评价.[结果]不同种源麻栎1年生幼苗平均成活率为89.50%,11年生林分平均保存率为72.82%,不同种源间变异系数为13.70%.不同种源树高、胸径(地径)、地上单株生物量的差异随林龄增加逐渐减小,总体上地上单株生物量变异最大,其次为胸径(地径),而树高变异程度相对较小.聚类分析发现,四川、贵州等地种源在试验区幼林期具有较高的保存率和生长优势,而山东、湖北等地的种源表现较差.[结论]麻栎种源间生长量和生物量差异随林龄增加呈动态变化,试验区以云贵高原地区种源的生长表现较好.
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