[1]徐永兴.杉木-深山含笑混交林及其纯林乔木层的净生产力研究[J].浙江林业科技,2017,37(01):47-50.[doi:10.3969/j.issn.1001-3776.2017.01.008]
 XU Yong-xing.Net Productivity of Cunninghamia lanceolata and Michelia maudiae in Mixed and Pure Stand[J].Journal of Zhejiang Forestry Science and Technology,2017,37(01):47-50.[doi:10.3969/j.issn.1001-3776.2017.01.008]
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杉木-深山含笑混交林及其纯林乔木层的净生产力研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
37
期数:
2017年01期
页码:
47-50
栏目:
出版日期:
2017-06-20

文章信息/Info

Title:
Net Productivity of Cunninghamia lanceolata and Michelia maudiae in Mixed and Pure Stand
作者:
徐永兴
福建省沙县水南国有林场,福建 沙县 365050
Author(s):
XU Yong-xing
Shaxian Shuinan State-owned Forest Farm of Fujian, Shaxian 365050, China
关键词:
杉木深山含笑混交林生物量凋落物净生产力
Keywords:
Cunninghamia lanceolata Michelia maudiae mixed forest biomass litterfall net productivity
分类号:
S718.54
DOI:
10.3969/j.issn.1001-3776.2017.01.008
文献标志码:
A
摘要:
采用树干解析法与样地调查,2015 年对15 年生杉木Cunninghamia lanceolata 深山含笑Michelia maudiae 混交林及其纯林的乔木层净生产力进行研究。结果表明,乔木层生物量深山含笑纯林(43.26 t·hm-2)>杉木-深山含笑混交林(32.63 t·hm-2)>杉木纯林(28.75 t·hm-2),且混交林单株树干生物量的积累均高于纯林;乔木层净生产力杉木-深山含笑混交林(5.63 t·hm-2·a-1)>深山含笑纯林(4.12 t·hm-2·a-1)>杉木纯林(3.75 t·hm-2·a-1);年凋落物量杉木-深山含笑混交林(3.30 t·hm-2·a-1)>深山含笑纯林(2.94 t·hm-2·a-1>杉木纯林(2.61 t·hm-2·a-1)。表明杉木-深山含笑混交林比杉木纯林更有利于林分光合产物的积累,增加养分归还量,有利于林分养分循环利用。
Abstract:
Determinations were conducted on biomass, net productivity and litter of 14-year Cunninghamia lanceolata and Michelia maudiae inmixed stand and their pure stand in 2015 by stem analysis and sample plot survey. The results demonstrated that biomass at tree layer of pure M.maudiae stand was higher than that of mixed stand and pure C. lanceolata stand, and single trunk biomass of two species in mixed stand was higherthan that in their pure stand. Net productivity at tree layer was ordered by pure M. maudiae stand>mixed stand>pure C. lanceolata stand, and theannual amount of litterfall was mixed stand>M. maudiae stand> pure C. lanceolata stand. It concluded that mixed stand had advantages of morephotosynthetic product, better soil nutrient circling.

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备注/Memo

备注/Memo:
收稿日期:2016-09-15;修回日期2016-11-17:
基金项目:福建省林业厅科技资助项目(闽林科[2010]04 号)
作者简介:徐永兴,高级工程师,从事森林培育研究工作;E-mail:jllcxyx@163.com。
更新日期/Last Update: 2017-03-10