Effect of collar insertion on soil respiration in a larch forest measured with a LI-6400 soil CO2 flux system

被引：58

作者：

Wang, WJ

Zu, YG

Wang, HM

Hirano, T

Takagi, K

Sasa, K

Koike, T ^{[1
]}

机构：

[1] Hokkaido Univ, FSC, Hokkaido Univ Forests, Sapporo, Hokkaido 0600809, Japan

[2] NE Forestry Univ, Key Lab Forest Plant Ecol, Harbin, Peoples R China

[3] Hokkaido Univ, Grad Sch Agr, Sapporo, Hokkaido, Japan

来源：

JOURNAL OF FOREST RESEARCH | 2005年 / 10卷 / 01期

基金：

中国国家自然科学基金; 日本学术振兴会;

关键词：

Larch (Larix gmelinii); soil respiration rate; collar insertion; root biomass;

D O I：

10.1007/s10310-004-0102-2

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Little information is available on the effect of root cutting by the collar pre-insertion technique on soil respiration. In this study, we found that soil respiration rates decreased with increasing depth of collar insertion in both the "with live roots intact" and "with live roots severed" treatments, but the rate of decrease was substantially higher in the former. The cutting of roots, especially fine roots, may be responsible for this result.

引用

页码：57 / 60

页数：4

共 23 条

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