Towards a causal analysis of stomatal patchiness: the role of stomatal size variability and hydrological heterogeneity

被引：20

作者：

Beyschlag, W ^{[1
]}

Eckstein, J ^{[1
]}

机构：

[1] Univ Bielefeld, Lehrstuhl Expt Okol & Okosyst Biol, D-33615 Bielefeld, Germany

来源：

ACTA OECOLOGICA-INTERNATIONAL JOURNAL OF ECOLOGY | 2001年 / 22卷 / 03期

关键词：

Acer platanoides; chlorophyll fluorescence; stomatal patchiness; stomatal regulation; Xanthium strumarium;

D O I：

10.1016/S1146-609X(01)01110-9

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The induction of the well known and widespread phenomenon 'stomatal patchiness' has been attributed to a variety of potential causes: from low PPFD levels, all kinds of stress conditions to CO2-changes and even fungal infections. A mechanism which explains the occurrence of reproducible patterns of static (i.e. stable) stomatal patchiness at low PPFD levels is proposed. Further, experimental evidence is presented for the hypothesis that dynamic (i.e. not stable) stomatal patchiness is a consequence of heterogeneous water status in different parts of the leaf and can be induced by all ambient factors which cause such heterogeneities. (C) 2001 Editions scientifiques et medicales Elsevier SAS.

引用

页码：161 / 173

页数：13

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