EVAPOTRANSPIRATION AND GROWTH OF 2 CONTRASTING SPECIES OF EUCALYPTS UNDER NONLIMITING AND LIMITING WATER AVAILABILITY

被引：36

作者：

HONEYSETT, JL

BEADLE, CL

TURNBULL, CRA

机构：

[1] CSIRO Division of Forestry, Hobart, 7004, Stowell Avenue

来源：

FOREST ECOLOGY AND MANAGEMENT | 1992年 / 50卷 / 3-4期

关键词：

D O I：

10.1016/0378-1127(92)90336-8

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

Changes in root zone water storage between 0 and 1 m depth were monitored at 14-day intervals under contrasting canopies of Eucalyptus nitens (a gum) and Eucalyptus delegatensis (an ash) during their fourth and fifth years of growth and periods of non-limiting and limiting water availability, respectively. The leaf area index of the gum remained approximately double that of the ash throughout this time. Stem volume growth differed by factors of 1.8 and 2.0 between E. nitens and E. delegatensis while total water use differed by factors of 1.1 and 0.9 in the two periods, respectively. A cumulative plot of volume growth as a function of total evapotranspiration suggested that stem volume growth of E. nitens was less sensitive to severe water stress than that of E. delegatensis.

引用

页码：203 / 216

页数：14

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