Agricultural drought risk analysis based on three main crops in prefecture-level cities in the monsoon region of east China

Xu, Xinchuang; Ge, Quansheng; Zheng, Jie; Dai, Erfu; Xuezhen, Zhang; He, Shanfeng; Liu, Guangxu

doi:10.1007/s11069-012-0549-y

Cited by 37 publications

(15 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…For example, compared to 1970, the 2011 maize acreage increased 1.4-fold and rice increased 4.5-fold. The explosive growth in the demand for water resources for increased acreages of maize and rice under the warming meteorological environment, in particular rice, would further exacerbate the drought-induced impact on agricultural production [50]. Irrigation is critical during drought risk periods.…”

Section: Discussionmentioning

confidence: 99%

Assessment of Drought Impact on Main Cereal Crops Using a Standardized Precipitation Evapotranspiration Index in Liaoning Province, China

et al. 2016

View full text Add to dashboard Cite

Abstract:Global warming has resulted in increasingly frequent and severe drought and/or precipitation events. Severe drought limits crop water availability and impacts agricultural productivity and socioeconomic development. To quantify drought-induced yield loss during the main crop stages in Liaoning province, China, aspects of drought episodes (magnitude, duration, and frequency) were investigated during the period 1960-2015 using the Standardized Precipitation Index (SPI) and the Standardized Precipitation Evapotranspiration Index (SPEI), respectively. Then the relationship between the SPI/SPEI and the standardized yield residuals series (SYRS), and the drought-induced yield loss were analyzed for maize, rice, sorghum, soybean, and millet. Liaoning underwent a province-wide increase in temperature, reduced precipitation, and reduced reference crop evapotranspiration. As expected, Liaoning experienced province-wide meteorological drying trends during the main crop growth stages, while the drought frequency, duration, and magnitude were not as serious as revealed by using the SPI. As compared to the SPI, the SPEI considering potential evapotranspiration explained 39%-78% yield variability of SYRS and evaluated the drought-induced yield loss more accurately. The increased drought frequency mainly affected the rain-fed crops (maize, sorghum, soybean, and millet), while it did not reduce irrigated rice production. No major impact was exerted on the rain-fed crops caused by mild drought. However, severe drought (SPEI < −1.0) markedly reduced yield performance, in particular at the anthesis-silking stage for maize, the jointing-booting stage for sorghum, the flowering-podding stage for soybean, and the sowing-milking stage for millet. It is concluded that the SPEI is a more useful measure for the identification of drought episodes and the assessment of drought impact on agricultural production in Liaoning province.

show abstract

Section: Discussionmentioning

confidence: 99%

Assessment of Drought Impact on Main Cereal Crops Using a Standardized Precipitation Evapotranspiration Index in Liaoning Province, China

et al. 2016

View full text Add to dashboard Cite

show abstract

“…Historical data of drought disasters were collected from China drought disaster data set from 1949 to 1999. The disaster‐loss fitting method was used to assess the agricultural loss rate under different levels of drought (He et al, ; Xu et al, ). Heat waves have known impacts on populations, and almost all members of a population will be exposed when a heat wave disaster occurs.…”

Section: Methodsmentioning

confidence: 99%

Integrate Risk From Climate Change in China Under Global Warming of 1.5 and 2.0 °C.

Liu

Gao

et al. 2019

Earth's Future

View full text Add to dashboard Cite

Abstract. Risk of climate‐related impacts results from the interaction of climate‐related hazards (including hazardous events and trends) with the vulnerability and exposure of human and natural systems. Despite the commitment of the Paris Agreement, the integrate research on climate change risk combining risk‐causing factors and risk‐bearing bodies, the regional differences in climate impacts are still missing. In this paper we provide a quantitative assessment of hazards and socioeconomic risks of extreme events, risks of risk‐bearing bodies in China under global warming of 1.5 and 2.0 °C based on future climate scenarios, and quantitative evaluation theory for climate change risk. For severe heat waves, hazards might significantly intensify. Affected population under 2.0 °C warming might increase by more than 60% compared to that of 1.5 °C. Hazards of severe droughts and floods might strengthen under Representative Concentration Pathway 8.5 scenario. Economic losses might double between warming levels of 1.5 and 2.0 °C, and the population affected by severe floods might continuously increase. Under the integrate effects of multiple disasters, the regions with high population and economic risks would be concentrated in eastern China. The scope would gradually expand to the west with socioeconomic development and intensification of extreme events. High ecological risks might be concentrated in the southern regions of the Yangtze River Basin, while the ecological risk in northern China would expand. High agriculture yield risks might be distributed mainly in south of the North China Plain, the Sichuan Basin, south of the Yangtze River, and west of Northwest China, and the risk levels might continuously increase.

show abstract

“…Due to the global warming and higher expected frequency of extreme climate events (IPCC, 2007), climate risks for agricultural production have changed and in many regions increased (Craufurd and Wheeler，2009). An increase in the frequency and severity of droughts has been indicated in various locations such as in northeast China (Xu et al, 2013;Song et al, 2014;Yu et al, 2014), United Kingdom (Burke et al, 2010), Italy (Brunetti et al, 2002) and Iran (Farhangfar et al, 2015). Cold stress has occurred frequently under climate change in northeast China, especially at crop seedling stage.…”

Section: Introductionmentioning

confidence: 99%

Ridge and furrow systems with film cover increase maize yields and mitigate climate risks of cold and drought stress in continental climates

Wang

Zhang

Duan

et al. 2017

Field Crops Research

View full text Add to dashboard Cite

Ridge-furrow tillage and plastic film cover are widely applied in China to mitigate climate risks, e.g. cool temperature and low rainfall. This study aimed to quantify the effects of ridge-furrow tillage and film cover on maize growth and yield in an environment with frequent seasonal drought and cold spells. Field experiments were carried out in 2013 and 2014 in Jilin and Inner Mongolia, northeast China. Maize yield without film cover increased 15% by ridging, and further increases of 9 % or 16% were achieved by applying 58% or 100% film cover, respectively. Maize growth rate was significantly enhanced by both partial and full film cover, but not significantly increased by ridging alone. The time reached to the maximum growth rate was significantly advanced. The growing duration of maize was significantly shortened by film cover while ridging did not affect. The increase of maize yield by ridge and film cover was associated with significant increases in kernel number per ear, kernel weight and harvest index. Harvest index of maize increased with 11% by ridge-furrow tillage and with a further 15-17% by film cover. We conclude that maize with ridge and film cover increases crop yield by enhancing crop growth and development and could also reduce risks of crop failure due to drought or cold spells. The results could help optimize maize management in arid continental regions where yields are constrained by drought and a short growing season due to low temperature.

show abstract

Agricultural drought risk analysis based on three main crops in prefecture-level cities in the monsoon region of east China

Cited by 37 publications

References 12 publications

Assessment of Drought Impact on Main Cereal Crops Using a Standardized Precipitation Evapotranspiration Index in Liaoning Province, China

Assessment of Drought Impact on Main Cereal Crops Using a Standardized Precipitation Evapotranspiration Index in Liaoning Province, China

Integrate Risk From Climate Change in China Under Global Warming of 1.5 and 2.0 °C.

Ridge and furrow systems with film cover increase maize yields and mitigate climate risks of cold and drought stress in continental climates

Contact Info

Product

Resources

About