989 resultados para 860[83].09


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Upon request by the LIBE committee, this study examines the reasons why the Dublin system of allocation of responsibility for asylum seekers does not work effectively from the viewpoint of Member States or asylum-seekers. It argues that as long as it is based on the use of coercion against asylum seekers, it cannot serve as an effective tool to address existing imbalances in the allocation of responsibilities among Member States. The EU is faced with two substantial challenges: first, how to prevent unsafe journeys and risks to the lives of people seeking international protection in the EU; and secondly, how to organise the distribution of related responsibilities and costs among the Member States. This study addresses these issues with recommendations aimed at resolving current practical, legal and policy problems.

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Approaches to quantify the organic carbon accumulation on a global scale generally do not consider the small-scale variability of sedimentary and oceanographic boundary conditions along continental margins. In this study, we present a new approach to regionalize the total organic carbon (TOC) content in surface sediments (<5 cm sediment depth). It is based on a compilation of more than 5500 single measurements from various sources. Global TOC distribution was determined by the application of a combined qualitative and quantitative-geostatistical method. Overall, 33 benthic TOC-based provinces were defined and used to process the global distribution pattern of the TOC content in surface sediments in a 1°x1° grid resolution. Regional dependencies of data points within each single province are expressed by modeled semi-variograms. Measured and estimated TOC values show good correlation, emphasizing the reasonable applicability of the method. The accumulation of organic carbon in marine surface sediments is a key parameter in the control of mineralization processes and the material exchange between the sediment and the ocean water. Our approach will help to improve global budgets of nutrient and carbon cycles.