Soil Carbon Sequestration or Biofuel Production: New Land-Use Opportunities for Mitigating Climate over Abandoned Soviet Farmlands

2009 ◽  
Vol 43 (22) ◽  
pp. 8678-8683 ◽  
Author(s):  
Nicolas Vuichard ◽  
Philippe Ciais ◽  
Adam Wolf
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Soil Carbon ◽  
Soil Carbon Sequestration ◽  
Biofuel Production

scholarly journals Soil carbon sequestration and land use change associated with biofuel production: empirical evidence

GCB Bioenergy ◽  
2015 ◽  
Vol 8 (1) ◽  
pp. 66-80 ◽  
Author(s):  
Zhangcai Qin ◽  
Jennifer B. Dunn ◽  
Hoyoung Kwon ◽  
Steffen Mueller ◽  
Michelle M. Wander
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Land Use Change ◽  
Soil Carbon ◽  
Empirical Evidence ◽  
Soil Carbon Sequestration ◽  
Biofuel Production

Effect of different agricultural practices on carbon emission and carbon stock in organic and conventional olive systems

Soil Research ◽  
2016 ◽  
Vol 54 (2) ◽  
pp. 173 ◽  
Author(s):  
Ramez Saeid Mohamad ◽  
Vincenzo Verrastro ◽  
Lina Al Bitar ◽  
Rocco Roma ◽  
Michele Moretti ◽  
...  
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Soil Carbon ◽  
Carbon Emissions ◽  
Carbon Flux ◽  
Carbon Emission ◽  
Agricultural Practices ◽  
Soil Carbon Sequestration ◽  
Conventional System ◽  
Organic System

Agricultural practices, particularly land use, inputs and soil management, have a significant impact on the carbon cycle. Good management of agricultural practices may reduce carbon emissions and increase soil carbon sequestration. In this context, organic agricultural practices may have a positive role in mitigating environmental burden. Organic olive cultivation is increasing globally, particularly in Italy, which is ranked first worldwide for both organic olive production and cultivated area. The aim of the present study was to assess the effects of agricultural practices in organic and conventional olive systems on global warming potential (GWP) from a life cycle perspective and to identify the hot spots in each system. The impacts assessed were associated with the efficiency of both systems at sequestering soil in order to calculate the net carbon flux. There was a higher environmental impact on GWP in the organic system because of higher global greenhouse gas (GHG) emissions resulting from manure fertilisation rather than the synthetic foliar fertilisers used in the conventional system. However, manure was the main reason behind the higher soil organic carbon (SOC) content and soil carbon sequestration in the organic system. Fertilisation activity was the main contributor to carbon emissions, accounting for approximately 80% of total emissions in the organic system and 45% in the conventional system. Conversely, given the similarity of other factors (land use, residues management, soil cover) that may affect soil carbon content, manure was the primary contributor to increased SOC in the organic system, resulting in a higher efficiency of carbon sequestration in the soil following the addition of soil organic matter. The contribution of the manure to increased SOC compensated for the higher carbon emission from the organic system, resulting in higher negative net carbon flux in the organic versus the conventional system (–1.7 vs –0.52 t C ha–1 year–1, respectively) and higher efficiency of CO2 mitigation in the organic system.

Interaction of Soil Carbon Sequestration and N2O Flux with Different Land Use Practices

2000 ◽  
pp. 303-311 ◽  
Author(s):  
Stephen J. Del Grosso ◽  
William J. Parton ◽  
Arvin R. Mosier ◽  
Dennis S. Ojima ◽  
Melannie D. Hartman
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Soil Carbon ◽  
Soil Carbon Sequestration ◽  
N2o Flux ◽  
Land Use Practices

Influences of global change on carbon sequestration by agricultural and forest soils

2003 ◽  
Vol 11 (3) ◽  
pp. 161-192 ◽  
Author(s):  
Ole Hendrickson
Keyword(s):  
Carbon Dioxide ◽  
Land Use ◽  
Carbon Sequestration ◽  
Global Change ◽  
Land Use Change ◽  
Soil Carbon ◽  
Plant Litter ◽  
Carbon Stocks ◽  
Soil Carbon Sequestration ◽  
No Till

Global change — including warmer temperatures, higher CO2 concentrations, increased nitrogen deposition, increased frequency of extreme weather events, and land use change — affects soil carbon inputs (plant litter), and carbon outputs (decomposition). Warmer temperatures tend to increase both plant litter inputs and decomposition rates, making the net effect on soil carbon sequestration uncertain. Rising atmospheric carbon dioxide levels may be partly offset by rising soil carbon levels, but this is the subject of considerable interest, controversy, and uncertainty. Current land use changes have a net negative impact on soil carbon. Desertification and erosion associated with overgrazing and excess fuelwood harvesting, conversion of natural ecosystems into cropland and pasture land, and agricultural intensification are causing losses of soil carbon. Losses increase in proportion to the severity and duration of damage to root systems. Strategic landscape-level deployment of plants through agroforestry systems and riparian plantings may represent an efficient way to rebuild total ecosystem carbon, while also stabilizing soils and hydrologic regimes, and enhancing biodiversity. Many options exist for increasing carbon sequestration on croplands while maintaining or increasing production. These include no-till farming, additions of nitrogen fertilizers and manure, and irrigation and paddy culture. Article 3.4 of the Kyoto Protocol has stimulated intense interest in accounting for land use change impacts on soil carbon stocks. Most Annex I parties are attempting to estimate the potential for increased agricultural soil carbon sequestration to partly offset their growing fossil fuel greenhouse gas emissions. However, this will require demonstrating and verifying carbon stock changes, and raises an issue of how stringent a definition of verification will be adopted by parties. Soil carbon levels and carbon sequestration potential vary widely across landscapes. Wetlands contain extremely important reservoirs of soil carbon in the form of peat. Clay and silt soils have higher carbon stocks than sandy soils, and show a greater and more prolonged response to carbon sequestration measures such as afforestation. Increased knowledge of soil organisms and their activities can improve our understanding of how soil carbon will respond to global change. New techniques using soil organic matter fractionation and stable C isotopes are also making major contributions to our understanding of this topic. Key words: climate change, carbon dioxide (CO2), nitrogen, soil respiration, land use change, plant roots, afforestation, no-till.

scholarly journals Land use, land use change and soil carbon sequestration in the St. Johns River Basin, Florida, USA

2016 ◽  
Vol 7 (1) ◽  
pp. 19-28 ◽  
Author(s):  
C. Wade Ross ◽  
Sabine Grunwald ◽  
David Brenton Myers ◽  
Xiong Xiong
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Land Use Change ◽  
Soil Carbon ◽  
River Basin ◽  
Soil Carbon Sequestration

UK land use and soil carbon sequestration

2009 ◽  
Vol 26 ◽  
pp. S274-S283 ◽  
Author(s):  
N.J. Ostle ◽  
P.E. Levy ◽  
C.D. Evans ◽  
P. Smith
Keyword(s):  
Land Use ◽  
Carbon Sequestration ◽  
Soil Carbon ◽  
Soil Carbon Sequestration
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