Seasonal and habitat-related changes in bird assemblage structure: applying a diversity/ dominance approach to Mediterranean forests and wetlands

摘要: In this work, we quantified the differences in bird assemblage structure between seasons two Mediterranean habitat types (small wetlands and oak forests) using a diversity/dominance approach (Whittaker plots). Small wetland assemblages showed higher slopes Whittaker plots for breeding species; forest slope wintering species. When compared seasonal types, only species significant of lines. three seasonal-related (migrants, passage species) inside each type, observed small wetlands, but not woodlands. Our data suggest that season associated to type could be considered an important factor affecting assemblages. are characterized by seasonally specific structural disturbances changes resource niche availability may more abrupt when habitats. These allow coexistence number individuals species, so significantly line During spring, less represented due their stratified vegetation, forests. Instead, forests poor dynamic environments, especially winter (high tendency line) where sedentary generalist persist. We stimulate use approaches detect among animal