2015
DOI: 10.1590/1678-476620151053276287
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Abstract: ABSTRACT. Reduction in taxonomic and functional bird diversity in an urban area in Southern Brazil. Urbanization is a globally process studied and considered one of the most drastic environmental disturb on biodiversity. This study aimed to evaluate how different intensities of urbanization act in the structure of birds in a medium size city inserted in a wetland area. In addition to the traditional metrics richness, abundance and taxonomic composition, it was found as the functional diversity and redundancy o… Show more

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Cited by 17 publications
(21 citation statements)
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“…Although some effects of urbanization on the bird species assemblage were not so clear, the regression models nonetheless showed well known effects of urbanization. The proportion of arboreal vegetation cover was the most important variable predicting an increase in species richness in Canoas, corroborating the known role of green areas as biodiversity enhancers in urban centers (Chace & Walsh, 2006;Evans et al, 2009;Fontana et al, 2011;Ortega-Álvarez & MacGregor-Fors, 2011;Toledo et al, 2012;Njoroge et al, 2013;Aronson et al, 2014;Beninde et al, 2015;Sacco et al, 2015). Open landscapes prevail in the Canoas region, and the arboreal component is characterized by gardens, squares and parks in the urban area; this contrasts with cities with large forested areas on the borders, for instance around Porto Alegre (Fontana et al, 2011).…”
Section: Discussionsupporting
confidence: 64%
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“…Although some effects of urbanization on the bird species assemblage were not so clear, the regression models nonetheless showed well known effects of urbanization. The proportion of arboreal vegetation cover was the most important variable predicting an increase in species richness in Canoas, corroborating the known role of green areas as biodiversity enhancers in urban centers (Chace & Walsh, 2006;Evans et al, 2009;Fontana et al, 2011;Ortega-Álvarez & MacGregor-Fors, 2011;Toledo et al, 2012;Njoroge et al, 2013;Aronson et al, 2014;Beninde et al, 2015;Sacco et al, 2015). Open landscapes prevail in the Canoas region, and the arboreal component is characterized by gardens, squares and parks in the urban area; this contrasts with cities with large forested areas on the borders, for instance around Porto Alegre (Fontana et al, 2011).…”
Section: Discussionsupporting
confidence: 64%
“…On the other hand, the negative effects of urbanization upon bird diversity are clearly showed in the relationships between species richness and the level of noise and the density of houses. Noise is a striking feature of urban centers, usually related to low species richness and abundance (Fontana et al, 2011;Pickett et al, 2011;Sacco et al, 2015). Together with other human activities, noise may constrain species' ability settle in urban centers, which leads to loss of diversity and differentiation in bird species assemblages (Francis et al, 2009;Fontana et al, 2011;Rolando et al, 1997;Slabbekoorn & Peet, 2003;Bisson et al, 2011;Pickett et al, 2011;Chávez-Zichinelli et al, 2013).…”
Section: Discussionmentioning
confidence: 99%
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“…Duas espécies exóticas invasoras foram observadas: o pardal (Passer domesticus) e o pombo doméstico (Columba livia). A presença dessas aves está relacionada com o aumento da urbanização das áreas adjacentes à faixa de praia (Sacco et al, 2015). Em todos os meses, foi registrada a presença de cães e veículos automotores na faixa de praia, o que configura infração do Código Ambiental do Município de Tramandaí (Tramandaí, 2017).…”
Section: Avifaunaunclassified