The impact of global elevated CO2 concentration on photosynthesis and plant productivity

Reddy Attipalli R.; Rasineni Girish K.; Raghavendra Agepati S. .

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The impact of global elevated CO2 concentration on photosynthesis and plant productivity

机译：全球二氧化碳浓度升高对光合作用和植物生产力的影响

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The alarming and unprecedented rise in the atmospheric concentration of greenhouse gases under global climate change warrants an urgent need to understand the synergistic and holistic mechanisms associated with plant growth and productivity. Photosynthesis is a major process of sequestration and turnover of the total carbon on the planet. The extensive literature on the impacts of climate change demonstrates both positive and negative effects of rising CO2 on photosynthesis in different groups of higher plants. Significant variation exists in the physiological, biochemical and molecular responsiveness to elevated CO2 atmosphere, among terrestrial plant species including those with C-3, C-4 and crassulacean acid metabolic (CAM) pathways. However, the regulatory events associated with the inter-and intraspecific metabolic plasticity governed by genetic organization in different plants are little understood. The adaptive acclimation responses of plants to changing climate remain contradictory. This review focuses primarily on the impacts of global climate change on plant growth and productivity with special reference to adaptive photosynthetic acclimative responses to elevated CO2 concentration. The effects of elevated CO2 concentration on plant growth and development, source-sink balance as well as its interactive mechanisms with other environmental factors including water availability, temperature and mineral nutrition are discussed.

机译：在全球气候变化下，温室气体在大气中的浓度达到前所未有的惊人水平，因此迫切需要了解与植物生长和生产力相关的协同和整体机制。光合作用是地球上总碳固存和转换的主要过程。关于气候变化影响的大量文献表明，二氧化碳浓度升高对不同组高等植物中光合作用的正反作用。在陆生植物物种中，包括具有C-3，C-4和头孢烷酸代谢（CAM）途径的陆地植物物种，在对升高的CO2大气的生理，生化和分子响应方面存在显着差异。然而，很少有人了解与遗传机制在不同植物中控制的种间和种内代谢可塑性有关的调控事件。植物对气候变化的适应性适应反应仍然是矛盾的。这篇综述主要侧重于全球气候变化对植物生长和生产力的影响，并特别提到了对二氧化碳浓度升高的适应性光合作用适应性反应。讨论了二氧化碳浓度升高对植物生长和发育，源库平衡以及其与其他环境因素（包括水的可利用性，温度和矿物质营养）的相互作用机制的影响。

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《Current Science: A Fortnightly Journal of Research》 |2010年第1期|共12页
作者
Reddy Attipalli R.; Rasineni Girish K.; Raghavendra Agepati S. .;
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正文语种 eng
中图分类自然科学现状及发展;
关键词
carbon dioxide: 124-38-9; greenhouse gas; photosynthesis; plant productivity; global climate change; metabolic plasticity; crassulacean acid metabolic pathway;

机译：二氧化碳：124-38-9;温室气体;光合作用;植物生产力;全球气候变化;代谢可塑性;芥子酸代谢途径;

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2. The impact of global elevated CO2 concentration on photosynthesis and plant productivity [J] . Reddy Attipalli R., Rasineni Girish K., Raghavendra Agepati S. . Current Science: A Fortnightly Journal of Research . 2010,第1期

机译：全球二氧化碳浓度升高对光合作用和植物生产力的影响
3. The impact of global elevated CO2 concentration on photosynthesis and plant productivity [J] . Raghavendra Agepati S., Rasineni Girish K., Reddy Attipalli R. Current science . 2010,第01期

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The impact of global elevated CO2 concentration on photosynthesis and plant productivity

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