Responses of evergreen and deciduous Quercus species to enhanced ozone levels

被引：84

作者：

Calatayud, Vicent ^{[1
]}

Cervero, Julia ^{[1
]}

Calvo, Esperanza ^{[1
]}

Garcia-Breijo, Francisco-Jose ^{[2
,3
]}

Reig-Arminana, Jose ^{[3
]}

Jose Sanz, Maria ^{[1
]}

机构：

[1] Inst Univ CEAM UMH, Valencia 46980, Spain

[2] Univ Valencia, Lab Anat & Histol Vegetal Julio Iranzo, Valencia 46008, Spain

[3] Univ Politecn Valencia, Dept Ecosistemas Agroforestales, Escuela Tecn Super Medio Rural & Enol, Valencia 46010, Spain

来源：

ENVIRONMENTAL POLLUTION | 2011年 / 159卷 / 01期

关键词：

Ozone; Functional leaf traits; Stomatal conductance; Photosynthesis; Critical levels; Anatomy; HYBRID POPLAR CLONES; PENDULA ROTH CLONES; YOUNG TREES; BETULA-PENDULA; PHYSIOLOGICAL-RESPONSES; STOMATAL RESPONSES; GROWTH-RESPONSES; FOLIAR INJURY; AIR-POLLUTION; FOREST TREES;

D O I：

10.1016/j.envpol.2010.09.024

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Plants of one evergreen oak (Quercus Hex) and three deciduous oaks (Q. faginea, with small leaves; Q pyrenaica and Q robur, with large leaves) were exposed both to filtered air and to enhanced ozone levels in Open-Top Chambers. Q. faginea and Q. pyrenaica were studied for the first time. Based on visible injury, gas exchange, chlorophyll content and biomass responses, Q. pyrenaica was the most sensitive species, and Q. ilex was the most tolerant, followed by Q. faginea. Functional leaf traits of the species were related to differences in sensitivity, while accumulated ozone flux via stomata (POD1.6) partly contributed to the observed differences. For risk assessment of Mediterranean vegetation, the diversity of responses detected in this study should be taken into account, applying appropriate critical levels. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：55 / 63

页数：9

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