Special Issue "C and N Cycling and Greenhouse Gases Emission in Agroecosystem"
A special issue of Atmosphere (ISSN 2073-4433). This special issue belongs to the section "Biosphere/Hydrosphere/Land - Atmosphere Interactions".
Deadline for manuscript submissions: closed (31 October 2018)
Prof. Dr. Ryusuke Hatano
Graduate School of Agriculture, Hokkaido University, Sapporo, Japan
Interests: soil science; soil processes; soil qualities; soil degradation; biogeochemistry; greenhouse gas emissions; CO2; CH4; N2O; global warming; nitrogen cycling; nitrate leaching; water pollution; carbon cycling; soil respiration; organic matter decomposition; microbial biomass; soil carbon sequestration; land use change; climate change; watershed; agriculture management practices
The agriculture sector is an important source of greenhouse gas (CO2, CH4 and N2O) emissions to the atmosphere. IPCC reported that global anthropogenic greenhouse gases emission in 2010 increased to 49 Gt CO2 yr-1, in which CO2 emission from agriculture, forestry and other land uses accounts for 11%, and CH4 and N2O emissions from agriculture account for 8% and 4%, respectively. These emissions are caused by agricultural management practices, including landuse change, tillage, harvest, slash and burn, application of chemical fertilizer and manure, irrigation and drainage, grazing and animal husbandry, which influence C and N cycling in agroecosystems. However, some of agricultural management practices can mitigate environmental impacts, for example, manure and residue applications in upland field can enhance soil C sequestration, intermittent irrigation in paddy field can reduce CH4 emission, and increasing N use efficiency can reduce N2O emissions. An agroecosystem is, not only present as an ecosystem under agricultural management, but also connected to other ecosystems, including natural ecosystems. Therefore, comparative studies between agroecosystem and natural ecosystem, or synthetic studies in agricultural watersheds, are crucial to understand the magnitude of impacts from agricultural land use and management practices. Studies on the relationship between microbial activities (aerobic and anaerobic organic matter decomposition, nitrification and denitrification) and climate factors (temperature, precipitation, humidity, etc.) and soil environmental factors (soil temperature, soil moisture, groundwater level, soil pH, SOC, SON, mineral nitrogen, water soluble organic carbon, etc.) are also important to parameterization for simulation models. I would like to invite all of you, studying C and N cycling and greenhouse gas emissions in agroecosystems, to contribute your papers to this Special Issue.
Prof. Dr. Ryusuke Hatano
Manuscript Submission Information
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- C and N cycling in agroecosystem
- greenhouse gases emission
- landuse changes
- agricultural management practices
- soil C sequestration