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The prevalence and intensity of avian haemosporian infections (genera Haemoproteus and Plasmodium) were investigated using molecular techniques and microscopy in nine passerine species at three Portuguese reed beds along a small latitudinal gradient. The effect of age, sex, season, site and year in the infection prevalence was evaluated for some of these(More)
This paper reviews different views on the issue of biodiversity evaluation and measurement in the context of land management. Approaches from community ecologists, taxonomists and conservationists are compared. Two main strategies for biodiversity evaluation are identified. The first-exclusive process-seeks to achieve maximum representation of biodiversity(More)
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