江西常绿阔叶林木本植物不同冠层高度当年生小枝茎构型对叶生物量的影响

doi:10.13287/j.1001-9332.201911.001

应用生态学报 ›› 2019, Vol. 30 ›› Issue (11): 3653-3661.doi: 10.13287/j.1001-9332.201911.001

江西常绿阔叶林木本植物不同冠层高度当年生小枝茎构型对叶生物量的影响

卢艺苗¹, 王满堂^1,2, 陈晓萍¹, 吕敏¹, 钟全林^1,3, 程栋梁^1,3*

¹福建师范大学福建省植物生理生态重点实验室, 福州 350007;
²枣庄学院城市与建筑工程学院, 山东枣庄 277160;
³福建师范大学地理研究所, 福州 350007

收稿日期:2019-06-18 出版日期:2019-11-15 发布日期:2019-11-15
通讯作者: * E-mail: chengdl02@aliyun.com
作者简介:卢艺苗, 女, 1996年生, 硕士研究生. 主要从事植物生理生态研究. E-mail: Luyimiao527@126.com
基金资助:
本文由国家重点研发计划项目(2017YFC0505400)、国家自然科学基金项目(31722007)、福建省杰出青年项目(2018J07003)和山东省自然科学基金项目(ZR2017QD012)资助

Effects of the current-year shoot stem configuration on leaf biomass in different canopy heights of woody plants in evergreen broad-leaved forest in Jiangxi Province, China.

LU Yi-miao¹, WANG Man-tang^1,2, CHEN Xiao-ping¹, LYU Min¹, ZHONG Quan-lin^1,3, CHENG Dong-liang^1,3*

¹Fujian Provincial Key Laboratory of Plant Ecophysiology, Fujian Normal University, Fuzhou 350007, China;
²School of City and Civil Engineering, Zaozhuang University, Zaozhuang 277160, Shandong, China;
³Institute of Geography, Fujian Normal University, Fuzhou 350007, China

Received:2019-06-18 Online:2019-11-15 Published:2019-11-15
Contact: * E-mail: chengdl02@aliyun.com
Supported by:
This work was supported by the National Key R&D Program of China (2017YFC0505400), the National Natural Science Foundation of China (31722007), the Fujian Natural Science Fund for Distinguished Young Scholar (2018J07003), and the Natural Science Foundation of Shandong Province (ZR2017QD012).

摘要/Abstract

摘要： 以江西阳际峰自然保区69种木本植物为对象,采用标准化主轴回归(SMA)的方法,对不同冠层高度当年生小枝的构件生物量(叶生物量、茎生物量、小枝生物量)与茎构型特征(茎直径、茎长度、茎宽长比、茎体积和茎密度)进行了分析,研究当年生小枝茎构型对叶生物量的影响.结果表明:不同冠层高度及生活型间叶生物量、茎生物量、小枝生物量、茎直径、茎长度、茎宽长比及茎体积均无显著差异,而茎密度差异显著.不同冠层高度及生活型间,叶生物量与茎生物量及总生物量之间均呈显著等速生长关系.小枝叶生物量分别与茎直径、茎体积呈显著异速生长关系,且该异速生长指数在不同冠层高度无显著差异.茎长度、茎宽长比及茎密度对当年生小枝叶生物量变异的解释力较小(<24%).冠层高度和生活型对小枝叶-茎生物量的等速分配关系影响不显著.小枝茎构型中,相比于茎长度、茎宽长比以及茎密度,茎的直径与体积对当年生小枝叶生物量的影响更大,冠层高度对当年生小枝茎构型与叶生物量间的异速分配模式无显著影响.

Abstract: To investigate the effects of stem configuration on leaf biomass allocation in different organs of the current-year shoots at different canopy heights, relationships of biomass in different organs (i.e., leaves, stems, and twigs) and stem configuration (i.e., stem diameter, length, width/length, stem volume and stem density) were analyzed using the data of 69 woody species from the Yangjifeng Natural Reserve, Jiangxi Provence. Standardized major axis (SMA) was used to explore the regression between biomass and stem configuration. The results showed that there was no significant difference in leaf biomass, stem biomass, twig biomass, stem diameter, stem length, stem width/length and stem volume of current year shoots from upper and lower canopy heights and life forms (i.e., evergreen and deciduous woody plants). Stem density differed significantly in the current year shoots at different heights for both evergreen and deciduous woody species. There were isometric relationships among leaf, stem and total biomass of shoots in different canopy heights and in different life forms. Leaf biomass scaled allometrically with stem diameter and volume, with the scaling exponents being not different significantly among different canopy heights. With respect to the stem configuration of the twigs, stem length, stem width/length and stem density contributed less than 24% to the leaf biomass variation in the current-year shoots. On the contrary, stem diameter and volume had greater effects on leaf biomass of the current-year shoots than stem length, stem width/length and stem density. Canopy heights did not significantly affect the allometric scaling relationships between the stem configuration and leaf biomass of the current-year shoots.

卢艺苗, 王满堂, 陈晓萍, 吕敏, 钟全林, 程栋梁. 江西常绿阔叶林木本植物不同冠层高度当年生小枝茎构型对叶生物量的影响[J]. 应用生态学报, 2019, 30(11): 3653-3661.

LU Yi-miao, WANG Man-tang, CHEN Xiao-ping, LYU Min, ZHONG Quan-lin, CHENG Dong-liang. Effects of the current-year shoot stem configuration on leaf biomass in different canopy heights of woody plants in evergreen broad-leaved forest in Jiangxi Province, China.[J]. Chinese Journal of Applied Ecology, 2019, 30(11): 3653-3661.

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江西常绿阔叶林木本植物不同冠层高度当年生小枝茎构型对叶生物量的影响

Effects of the current-year shoot stem configuration on leaf biomass in different canopy heights of woody plants in evergreen broad-leaved forest in Jiangxi Province, China.

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