| 第一作者： | Liu, Yiwen |
|---|---|
| 英文第一作者： | Liu, Yiwen |
| 联系作者： | Shen, Xiangjin |
| 英文联系作者： | Shen, Xiangjin |
| 发表年度： | 2023 |
| 卷： | 12 |
| 摘要： | Inner Mongolia has a large area of marsh wetland in China, and the marsh in this region is important for maintaining ecological balance. Understanding variations in vegetation phenology of marsh ecosystems and their responses to climatic change is crucial for vegetation conservation of marsh wetlands in Inner Mongolia. Using the climate and NDVI data during 2001-2020, we explored the spatiotemporal changes in the start (SOS), end (EOS), and length (LOS) of vegetation growing season and analyzed the effects of climate change on vegetation phenology in the Inner Mongolia marshes. Results showed that SOS significantly (p < 0.05) advanced by 0.50 days/year, EOS significantly delayed by 0.38 days/year, and thus LOS considerably increased by 0.88 days/year during 2001-2020 in marshes of Inner Mongolia. Warming temperatures in winter and spring could significantly (p < 0.05) advance the SOS, and increased summer and autumn temperatures could delay EOS in Inner Mongolia marshes. We found for the first time that daytime maximum temperature (T-max) and night minimum temperature (T-min) had asymmetric effects on marsh vegetation phenology. Increasing T-max had a stronger advancing effect on SOS than increasing T-min from December to April. The increase of T-min in August could obviously delayed EOS, while increasing T-max in August had no significant effect on EOS. This study highlights that the asymmetric influences of nighttime and daytime temperatures should be taken into account in simulating marsh vegetation phenology in temperate arid and semi-arid regions worldwide, particularly in the context of global asymmetric diurnal warming. |
| 刊物名称： | PLANTS-BASEL |
| 参与作者： | Liu,YW(Liu,Yiwen)[1],[2];Shen,XJ(Shen,Xiangjin)[1];Zhang,JQ(Zhang,Jiaqi)[1];Wang,YJ(Wang,Yanji)[1],[2];Wu,LY(Wu,Liyuan)[1],[2];Ma,R(Ma,Rong)[1];Lu,Xianguo[1];Jiang,Ming[1] |
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Variation in Vegetation Phenology and Its Response to Climate Change in Marshes of Inner Mongolian
本站小编 Free考研考试/2024-01-13
Variation in Vegetation Phenology and Its Response to Climate Change in Marshes of Inner Mongolian
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