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Displaying 611 - 615 of 1605Assessment of number and distribution of persistent scatterers prior to radar acquisition using open access land cover and topographical data
Persistent scatterer synthetic aperture radar interferometry (PSI) is a powerful remote sensing technique to detect and measure deformation of the Earth‘s crust – such as subsidence and landslides – with an accuracy of a few millimeters. Deformation is measured at specific points in a radar image called persistent scatterers (PS), which are characterized by long-term constant backscattering properties (high coherence) of the radar signal.
Soil organic matter of Iberian open woodland rangelands as influenced by vegetation cover and land management
Spanish rangelands occupy more than 90,000km² of land grazed by millions of domestic and wild animals. Organic matter content of soil is an essential component for fertility and productivity in both, natural and human-induced ecosystems. Despite its importance to soil quality, soil organic carbon has been little studied in these rangelands. The main goal of this study is to assess the amounts and characteristics of soil organic matter in grazed open woodlands of SW Iberia as influenced by vegetation cover and land management.
effects of fencing on carbon stocks in the degraded alpine grasslands of the Qinghai-Tibetan Plateau
Quantifying the carbon storage of grasslands under different management strategies can help us understand how this ecosystem responds to different land management practices. To assess the C cycle and the importance of soil microbial biomass carbon, we measured the levels of soil organic carbon, biomass carbon (above- and underground) and soil microbial biomass carbon in areas with different grazing intensities and different management strategy (fenced and unfenced) in the Qinghai-Tibetan Plateau.
Environmental drivers and spatial dependency in wildfire ignition patterns of northwestern Patagonia
Fire management requires an understanding of the spatial characteristics of fire ignition patterns and how anthropogenic and natural factors influence ignition patterns across space. In this study we take advantage of a recent fire ignition database (855 points) to conduct a comprehensive analysis of the spatial pattern of fire ignitions in the western area of Neuquén province (57,649 km²), Argentina, for the 1992–2008 period.
Examining farm forest owners' forest management in Ireland: The role of economic, lifestyle and multifunctional ownership objectives
Using a nationally representative survey of 263 farm operators in Ireland, this study develops a typology of private forest landowners' objectives for forest ownership. It is important to understand farmers' forest ownership objectives as this will enhance economic analysis in general, but also to formulate more effective policies that take into account the range of motivational profiles of landowners. Using principal component analysis, three core motivations for forest ownership are identified representing economic, lifestyle and multifunctional benefits.