Climate Change and Its Impact on the Yield of Major Food Crops: Evidence from Pakistan

Ali, Sajjad; Liu, Ying; İshaq, Muhammad; Shah, Tariq; Khan, Mir Azam; Ilyas, Aasir; Din, Irfanud

doi:10.3390/foods6060039

Cited by 335 publications

(191 citation statements)

References 53 publications

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“…Changes in the average global temperature and local extreme weather events could markedly affect global crop production (Ali et al ., ). It is notable that plant temperature responses are often modulated by the clock information (Franklin & Whitelam, ; Box et al ., ; Zhu et al ., ; Dickinson et al ., ).…”

Section: Concluding Remarks and Future Prospectsmentioning

confidence: 97%

Thermal adaptation and plasticity of the plant circadian clock

Gil

Park

2018

New Phytologist

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Contents Summary1215I.Introduction1215II.Molecular organization of the plant circadian clock1216III.Temperature compensation1219IV.Temperature regulation of circadian behaviors1220V.Thermal adaptation of the clock: evolutionary considerations1223VI.Light and temperature information for the clock function – synergic or individual?1224VII.Concluding remarks and future prospects1225Acknowledgements1225References1225 Summary Plant growth and development is widely affected by diverse temperature conditions. Although studies have been focused mainly on the effects of stressful temperature extremes in recent decades, nonstressful ambient temperatures also influence an array of plant growth and morphogenic aspects, a process termed thermomorphogenesis. Notably, accumulating evidence indicates that both stressful and nonstressful temperatures modulate the functional process of the circadian clock, a molecular timer of biological rhythms in higher eukaryotes and photosynthetic prokaryotes. The circadian clock can sustain robust and precise timing over a range of physiological temperatures. Genes and molecular mechanisms governing the temperature compensation process have been explored in different plant species. In addition, a ZEITLUPE/HSP90‐mediated protein quality control mechanism helps plants maintain the thermal stability of the clock under heat stress. The thermal adaptation capability and plasticity of the clock are of particular interest in view of the growing concern about global climate changes. Considering these circumstances in the field, we believe that it is timely to provide a provoking discussion on the current knowledge of temperature regulation of the clock function. The review also will discuss stimulating ideas on this topic along with ecosystem management and future agricultural innovation.

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Section: Concluding Remarks and Future Prospectsmentioning

confidence: 97%

Thermal adaptation and plasticity of the plant circadian clock

Gil

Park

2018

New Phytologist

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“…Impact of CC is very serious in developing countries due to their incomplete adaptive ability and need of technology, and also, they are the main emitter of noncarbon GHGs from their farm animals and farm management mainly from the use of synesthetic compost. Indirect emitters such as land use change; from runoff and leaching of fertilizers; use of fossil fuels for automation; transport and agrochemical and compost production (Ali et al, ).…”

Section: Drawbacks In the Studiesmentioning

confidence: 99%

A review of literature on climate change and its impacts on agriculture productivity

Praveen

Sharma

2019

Journal of Public Affairs

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This paper provides a comprehensive review of various reports, articles documents and papers literature related to the assessment of climate change impacts on crop productivity, and will focus on how climate change and affects agriculture productivity. Agricultural practice is affected by climate changes because of its direct dependence on climatic changes. There are two methods of relationships between agriculture and climate change and has huge significance especially for developing and underdeveloped or low‐income countries, who are largely dependent on agriculture for subsistence and their lack of infrastructure for adaptation as compared with developed countries. Geographically high‐latitude areas with already existence of low temperature, by virtue of increasing temperature due to climate changes, could allow for the longer growing season. Agricultural fields are affected by the emission of GHG such as carbon dioxide, nitrous oxide, and methane. Gasses have an effect on climate through the discharge of greenhouse gasses. Emissions mostly come from the tillage practices, fossil fuels, fertilized agricultural soils, and farm animal's manure in a huge amount and affected the agriculture sector. On the contrary, agriculture could be a solution for climate change by reducing emission and implementation of mitigation and adaptation actions widely. It will happen with the assistance of best management practices such as agroforestry practice, organic farming, rainwater harvesting, irrigation planning, and manure management.

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“…All sectors depending on water availability are now vastly exposed to the climate change impacts [5]. Hence, climate change can also impact sediment export [6,7], crop yield and biomass [8,9], water quality [10], etc. All these are driven by streamflow.…”

Section: Introductionmentioning

confidence: 99%

Future Climate Change Impacts on Streamflows of Two Main West Africa River Basins: Senegal and Gambia

et al. 2018

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This research investigated the effect of climate change on the two main river basins of Senegal in West Africa: the Senegal and Gambia River Basins. We used downscaled projected future rainfall and potential evapotranspiration based on projected temperature from six General Circulation Models (CanESM2, CNRM, CSIRO, HadGEM2-CC, HadGEM2-ES, and MIROC5) and two scenarios (RCP4.5 and RCP8.5) to force the GR4J model. The GR4J model was calibrated and validated using observed daily rainfall, potential evapotranspiration from observed daily temperature, and streamflow data. For the cross-validation, two periods for each river basin were considered: 1961-1982 and 1983-2004 for the Senegal River Basin at Bafing Makana, and 1969Makana, and -1985Makana, and and 1986Makana, and -2000 for the Gambia River Basin at Mako. Model efficiency is evaluated using a multi-criteria function (F agg ) which aggregates Nash and Sutcliffe criteria, cumulative volume error, and mean volume error. Alternating periods of simulation for calibration and validation were used. This process allows us to choose the parameters that best reflect the rainfall-runoff relationship. Once the model was calibrated and validated, we simulated streamflow at Bafing Makana and Mako stations in the near future at a daily scale. The characteristic flow rates were calculated to evaluate their possible evolution under the projected climate scenarios at the 2050 horizon. For the near future (2050 horizon), compared to the 1971-2000 reference period, results showed that for both river basins, multi-model ensemble predicted a decrease of annual streamflow from 8% (Senegal River Basin) to 22% (Gambia River Basin) under the RCP4.5 scenario. Under the RCP8.5 scenario, the decrease is more pronounced: 16% (Senegal River Basin) and 26% (Gambia River Basin). The Gambia River Basin will be more affected by the climate change.

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Climate Change and Its Impact on the Yield of Major Food Crops: Evidence from Pakistan

Cited by 335 publications

References 53 publications

Thermal adaptation and plasticity of the plant circadian clock

Thermal adaptation and plasticity of the plant circadian clock

A review of literature on climate change and its impacts on agriculture productivity

Future Climate Change Impacts on Streamflows of Two Main West Africa River Basins: Senegal and Gambia

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