Human activities are significantly modifying the natural global carbon (C) cycles, and concomitantly influence climate, ecosystems, and state and function of the Earth system. Ever increasing amounts of carbon dioxide (CO2) are added to the atmosphere by fossil fuel combustion but the biosphere is a potential C sink. Thus, a comprehensive understanding of C cycling in the biosphere is crucial for identifying and managing biospheric C sinks. Ecosystems with large C stocks which must be protected and sustainably managed are wetlands, peatlands, tropical rainforests, tropical savannas, grasslands, degraded/desertified lands, agricultural lands, and urban lands. However, land-based sinks require long-term management and a protection strategy because C stocks grow with a progressive improvement in ecosystem health.
Jadual kandungan
Foreword.- Terrestrial Biosphere as a Source and Sink of Atmospheric Carbon Dioxide.- Climate Change Mitigation by Managing the Terrestrial Biosphere.- Atmospheric Chemistry and Climate in the Anthropocene.- Historic Changes in Terrestrial Carbon Storage.- Soil Erosion and Soil Organic Carbon Storage on the Chinese Loess Plateau.- Methane Emissions from China’s Natural Wetlands: Measurements, Temporal Variance and Influencing Factors.- Accounting more precisely for peat and other soil carbon resources.- Permafrost – Physical Aspects, Carbon Cycling, Databases and Uncertainties .- Carbon Sequestration in Temperate Forests.- Decarbonization of the Atmosphere: Role of the Boreal Forest under Changing Climate.- Recarbonization of the Humid Tropics.- Carbon Cycling in the Amazon.- Grassland Soil Carbon Stocks: Status, Opportunities, Vulnerability.- Cropland Soil Carbon Dynamics.- The Carbon Cycle in Drylands.- Carbonization of Urban Areas.- Potential Carbon Emission Trajectories of Shanghai, China from 2007 to 2050.- Processes of Soil Carbon Dynamics and Ecosystem Carbon Cycling in a Changing World.- Terrestrial Carbon Management in Urban Ecosystems and Water.- Carbon Storage and Sequestration in Subsoil Horizons: Knowledge, Gaps and Potentials.- Transforming Carbon Dioxide from a Liability into an Asset.- The Economics of Land and Soil Degradation – Toward an Assessment of the Costs of Inaction.- Assessment of Carbon Sequestration Potential in Coastal Wetlands.- Research and Development Priorities Towards Recarbonization of the Biosphere.
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