Assessing ozone and nitrogen impact on net primary productivity with a Generalised non-Linear Model

被引：15

作者：

De Marco, Alessandra ^{[2
]}

Screpanti, Augusto ^{[2
]}

Attorre, Fabio ^{[1
]}

Proietti, Chiara ^{[1
]}

Vitale, Marcello ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dept Environm Biol, I-00185 Rome, Italy

[2] Italian Natl Agcy New Technol Energy & Environm E, CR Casaccia, I-00123 Rome, Italy

来源：

ENVIRONMENTAL POLLUTION | 2013年 / 172卷

关键词：

Generalized Linear/non-Linear Model; Mediterranean climate; Ozone; Net primary productivity; Nitrogen deposition; BEECH FAGUS-SYLVATICA; CLIMATE-CHANGE; AIR-POLLUTION; QUERCUS-ILEX; ELEVATED CO2; FOREST TREES; TERRESTRIAL ECOSYSTEMS; INTEGRATED ASSESSMENT; CARBON-CYCLE; DEPOSITION;

D O I：

10.1016/j.envpol.2012.08.015

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Some studies suggest that in Europe the majority of forest growth increment can be accounted for N deposition and very little by elevated CO2. High ozone (O-3) concentrations cause reductions in carbon fixation in native plants by offsetting the effects of elevated CO2 or N deposition. The cause-effect relationships between primary productivity (NPP) of Quercus cerris, Q. ilex and Fagus sylvatica plant species and climate and pollutants (O-3 and N deposition) in Italy have been investigated by application of Generalised Linear/non-Linear regression model (GLZ model). The GLZ model highlighted: i) cumulative O-3 concentration-based indicator (AOT40F) did not significantly affect NPP; ii) a differential action of oxidised and reduced nitrogen depositions to NPP was linked to the geographical location: iii) the species-specific variation of NPP caused by combination of pollutants and climatic variables could be a potentially important drive-factor for the plant species' shift as response to the future climate change. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：250 / 263

页数：14

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