| 第一作者： | Bao, Lun |
|---|---|
| 英文第一作者： | Bao, Lun |
| 联系作者： | Yu, Lingxue |
| 英文联系作者： | Yu, Lingxue |
| 发表年度： | 2023 |
| 卷： | |
| 摘要： | Building a more resilient response system to climate change for sustainable development and reducing uncertainty in China's food markets, requires access to historical research gaps and mapping future research progress for decision making. However, the lack of quantitative and objective analyses to ensure the stability and development of agroecosystems increases the complexity of agro-climatic mechanisms, which leads to uncertainty and undesirable consequences. In this paper, we review the characteristics of climate change in China (1951-2020), reveal the mechanisms of agroecosystem structure in response to climate, and identify challenges and opportunities for future efforts in the context of research progress. The aim is to improve the scientific validity and relevance of future research by clarifying agro-climatic response mechanisms. The results show that surface temperature, precipitation, and frequency of extreme weather events have increased to varying degrees in major agricultural regions of China in 1951-2020. And they have strong geographic variation, which has resulted in droughts in the north and floods in the south. Moreover, climate change has complicated the mechanisms of soil moisture, Net Primary Productivity (NPP), soil carbon pool, and crop pest structure in agroecosystems. This lends to a reduction in soil water holding capacity, NPP, soil carbon content, and the number of natural enemies of diseases and insects, which in turn affects crop yields. However, human interventions can mitigate the deterioration of these factors. We have also realized that the methodology and theory of historical research poses a great challenge to future agroecosystem. Historical and projected climate trends identified current gaps in interdisciplinary integration and multidisciplinary research required to manage diverse spatio-temporal climate change impacts on agroecosystems. Future efforts should highlight integrated management and decision making, multidisciplinary big data coupling, and numerical simulations to ensure sustainable agricultural development, ecological security, and food security in China. |
| 刊物名称： | CHINESE GEOGRAPHICAL SCIENCE |
| 参与作者： | Bao, L (Bao, Lun) [1] , [2] ; Yu, LX (Yu, Lingxue) [1] ; Li, Y (Li, Ying) [1] ; Yan, FQ (Yan, Fengqin) [2] , [3] ; Lyne, V (Lyne, Vincent) [3] , [4] ; Ren, CY (Ren, Chunying) [1] |
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Climate Change Impacts on Agroecosystems in China: Processes, Mechanisms and Prospects
本站小编 Free考研考试/2024-01-13
Climate Change Impacts on Agroecosystems in China: Processes, Mechanisms and Prospects
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