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ES 503/ PP 503 GLOBAL CLIMTE CHANGE AND AGRICULTURE                                                               (2L+1P) II

Objective
To impart theoretical and practical knowledge about the evidence, causes and impact of climate change and its adaptation and mitigation options

Theory

UNIT I
Definition and concept of climate change and variability; global warming and dimming; science and politics of climate change and international conventions; evidence, scenario and causes of climate change

UNIT II
Greenhouse gases and mechanism of their production and emission from various agro-ecosystems, source and sinks of GHG; warming potential and contribution of greenhouse gases to global warming, greenhouse effect; monitoring of greenhouse gases

UNIT III
Impact assessment of rise in atmospheric temperature and CO2 on growth, physiological processes, productivity and quality of different crops, soil health, water availability, insect pest dynamics, crop-weed competition, milk and inland and marine fish production; climate change and loss of biodiversity; spatial and temporal changes in agricultural production in context of climate change.

UNIT IV
Evidence and causes of global dimming; causes of global dimming; impact assessment of global dimming on crop productivity, quality and crop- pest interaction.

UNIT V
Adaptation and mitigation options to climate change; carbon sequestration; modeling climate change and its impact on crops; International summit, conferences, protocols and negotiations on climate change; clean development mechanism; carbon trading, credits, footprints and govt. strategies and policies on climate change management.

Practicals
Measurement of CO2 from crop fields, Measurement of CH4 from crop fields, Measurement of N2O from crop fields, Measurement of O3  from crop fields, Recent techniques for assessing the impact of high temperature on crops, Recent techniques for assessing the impact of CO2 fertilization on crops, Recent techniques for assessing the impact of elevated O3 on crops, Modelling impact of high temperature and CO2 on crop yield, Modelling impact of high temperature on soil and water, Modelling impact of high CO2 on soil and water

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