Evaluating the Impacts of Ground-Level O3 on Crops in China
2021
Zhao, Hui | Zhang, Yuxin | Qi, Qi | Zhang, Hongliang
China is facing increasing ground-level ozone (O₃) along with the reduction of particulate matter since the implementation of the Air Pollution Prevention and Control Action Plan (APPCAP) in 2013. High-level O₃ poses adverse effects to ecosystems by inhibiting the growth of crops and other plants in addition to human health effects. The capture of atmospheric carbon dioxide by plants is also weakened due to O₃ stress effect. In recent years, studies have been conducted to evaluate the potential risk of O₃ in agricultural production in China with different methods and focuses and the results are not consistent for comparison and policy-making. In this paper, we first briefly reviewed the levels of O₃ pollution in China in recent years, and the evaluation indicators for analyzing O₃ impacts on crops as well as their applicability. Then, methods for determining O₃ flux and the progress in dry deposition of O₃ in farmlands were presented. We also introduced some recent advances in evaluating losses of crop yield caused by O₃ exposure. Finally, in view of the shortcomings of current research, prospects for future research were suggested.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
المعلومات البيبليوغرافية
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