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Displaying 1316 - 1320 of 1605influence of climate change on the soil organic carbon content in Italy from 1961 to 2008
Soils are the biggest carbon store in the world (1500Gt, e.g. 1.5×10²¹g). The European Commission indicates the accounting of soil organic carbon (SOC) variations in space and time as the first step in the strategy for soil protection. It is indeed necessary in evaluating the risk of soil organic matter decline and soil biodiversity decline, and when evaluating the role played by soils in global CO₂ accounting. Previous maps of SOC variations in Italy did not consider the direct effect of climate. There is a marked inter-dependence between SOC and climate.
Object-based gully feature extraction using high spatial resolution imagery
Gully erosion is responsible for a substantial amount of soil loss and is generally considered an indicator of desertification. Hence, mapping these gully features provides essential information needed on sediment production, identification of vulnerable areas for gully formation, land degradation, and environmental and socio-economical effects.
Land-use change in the ‘edgelands’: Policies and pressures in London's rural–urban fringe
Green Belt policies have helped to create chaotic landscapes at the rural–urban interfaces of the United Kingdom's largest cities. Their prime functions, to control urban sprawl and preserve an encircling green girdle to separate the urban from the open countryside, have created ‘edgelands’ that have been remarkably dynamic despite relatively strong controls on certain types of development.
Does land use change affect the interactions between two dry grassland species?
Over the last 20 years, a change in traditional land use practices has taken place in central Germany. Formerly species-rich dry grassland communities have been converted into communities with greatly reduced diversity in many places. Whereas grass species have expanded, several forbs have declined in abundance. For the present study, plant–plant interactions were assessed between the expanding grass Festuca rupicola and the forb Dianthus carthusianorum – two typical, companion grassland species – to ascertain any associated effects of land use change.
Exploring land use changes and the role of palm oil production in Indonesia and Malaysia
This study compiles and analyses national-level data on land use change (LUC) and its causes in Indonesia and Malaysia over the past 30 years. The study also explores the role that palm oil has played in past LUC and that projected growth in palm oil production may play in LUC until 2020 and suggests strategies to minimize negative effects. Data collection for the study revealed that the quality and quantity of data on LUC on a national scale over time are low.