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Showing items 45190 through 45198 of 73422.Tree encroachment is one of the primary conservation issues in Calluna-heathlands, a priority habitat in Europe. Improving understanding of the ecological factors that trigger transitions to woodlands is key to developing strategies for heathlands management.
Este trabalho analisa o preço da terra no período 1975 a 2006, mas ocupa-seprincipalmente com o período mais recente, de 2000 a 2006.
The challenges of integrated, adaptive and ecosystem management are leading government agencies to adopt participatory modes of engagement. Collaborative governance is a form of participation in which stakeholders co-produce goals and strategies and share responsibilities and resources.
Question: How can quantitative data from vegetation surveys best be assembled in a large regional vegetation database? What effects have intellectual property rights concerns of individual and institutional data holders on data contribution and how can incentives to contribute data be generated?
Based on an extensive survey of woodland visitors in Wallonia, south Belgium, we examined a wide range of individual-, residential- and destination-level variables for their associations with the distance travelled for woodland leisure on foot, by bicycle and by car.
Birds pose serious hazards at United States airports because of the potential for collisions with aircraft. Raptors, in particular, are hazardous to aircraft safety due to their size, hunting behavior, and hovering and soaring habits.
Large parts of subâSaharan Africa are experiencing rapid changes in land use and land cover, driven largely by the expansion of smallâscale shifting cultivation.
Degradation of irrigation schemes, low and variable land productivity, and inefficient use of production inputs are major concerns in Mauritania. That prompted this benchmarking analysis of 17 small and 3 large irrigation schemes located along the River Senegal.
We used a functional trait‐based approach to assess the impacts of aridity and shrub encroachment on the functional structure of Mediterranean dryland communities (functional diversity (FD) and community‐weighted mean trait values (CWM)), and to evaluate how these functional attributes ultimately
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