Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 9 of 9 for “"habitats directive"”.
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Climate change impacts on habitats and biodiversity : From environmental envelope modelling to nature conservation strategies
… species distribution, diverse consequences for habitats, changing communities as well as biotic interactions and general aspects of diversity are the major challenges. The potential climatic modifications can alter deeply the distribution of animals and plants. Range changes due to recent …
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Propuesta metodológica para la ordenación integral de montes de la Red Natura 2000
… and fulfils the general objectives of the Habitats Directive, and the specific requirements of traditional forest management. Subsequently, in order to comply with the requirement of the Directive, the adaptation of the structure and contents of the general instructions for the management …
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The social and political determinants in the formation and implementation of habitat conservation policy : the Wildlife and Countryside Act 1981.
… of the 'voluntary system' for the protection of habitats in the Wildlife & Countryside Act 1981 in order to explain its existence and form and also its effectiveness. The identification of the determinants involves consideration of a number of hypotheses. A positive proof shows why the voluntary …
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A comparative study of Corynephorus canescens (L.) P.Beauv. communities of inland sand dunes in England and Poland
… designated for conservation under the EU’s Habitats Directive. In Britain they are confined to a handful of sites in East Anglia and the West Midlands. This study investigated the relationships of the British populations to each other and to populations on five sites in Poland, where C. …
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Outcomes of river rehabilitation on instream hydraulics and fish communities
… the emergence of the EC Water Framework Directive (WFD) and EC Habitats Directive (HD), there has been an increase in river rehabilitation schemes to ameliorate anthropogenic pressures of rivers and augment ecological status to meet specific obligations. However, despite the extensive …
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The role of abiotic and biotic interactions in deep-sea benthic habitats of the northeastern Gulf of Cadiz
… a wide variety of geomorphic features, benthic habitats, and organisms. A high-resolution morpho-sedimentary analysis, based on geophysical data, sediment samples and submarine imagery, has been carried out; the onset and evolution of the main geoforms are discussed; and the influence of …
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Biology & ecology of a killer whale (Orcinus orca) community that interacts with pelagic trawlers in the Northeast Atlantic
… and affording adequate protection under the EU Habitats Directive.
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Identifying limitations of monitoring the success of river rehabilitation schemes for freshwater fish
… is a tool that underpins the Water Framework Directive (WFD) by means of addressing river degradation by re-introducing habitat heterogeneity to impacted river systems. Many past and recent papers have highlighted a lack of information on the success of rehabilitation projects leading to a …
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Biology and conservation status of Juniperus macrocarpa Sm. in Sardinia
… Moreover, growth depended on suitable microhabitats, and in particular it was positively related to tree cover, hours of sunlight, and herbaceous plus scrub cover. Despite these relevant results, long-term studies are needed to identify key issues in the life cycle of J. macrocarpa (e.g. …