Seasonal dynamics of bird community in urban parks and cemeteries
Urban green spaces play a fundamental role in bird conservation in cities. Although the role of urban parks in conserving bird diversity has been explored on a global scale, the analysis of the role of cemeteries has been scarcer. This study aimed to describe and compare the seasonal dynamic of different components of avian taxonomic diversity and composition in two types of urban green areas, parks and cemeteries, in the Autonomous City of Buenos Aires (Argentina). Birds were counted at fixed counting points of 100 m radius in three parks and three cemeteries, and rarefaction curves were used to compare their taxonomic diversity between parks and cemeteries during the breeding and non-breeding seasons. In general, bird diversity (measured as species richness and Shannon and Simpson diversity index) was higher in cemeteries than in parks and during the breeding season, showing greater variation in cemeteries. Bird composition changed between seasons, with Zenaida auriculata being the most common species during the breeding season and Myiopsitta monachus the most abundant during the non-breeding season. However, the composition of the avian community (the most common and abundant species) was similar between parks and cemeteries. Our results suggest that cemeteries are green spaces of great importance since they add heterogeneity to the urban landscape, providing a greater diversity of micro-habitats capable of housing a higher number of species than parks. The higher degree of seasonal variation in the bird community in cemeteries suggests that these habitats help maintain the natural seasonal dynamics.
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Asociación Argentina de Ecología
2023
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Bocelli, M. Lucía Morelli, Federico Benedetti, Yanina Leveau, Lucas M. |
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Bocelli, M. Lucía Morelli, Federico Benedetti, Yanina Leveau, Lucas M. Seasonal dynamics of bird community in urban parks and cemeteries |
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Bocelli, M. Lucía Morelli, Federico Benedetti, Yanina Leveau, Lucas M. |
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Bocelli, M. Lucía |
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Seasonal dynamics of bird community in urban parks and cemeteries |
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Seasonal dynamics of bird community in urban parks and cemeteries |
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Seasonal dynamics of bird community in urban parks and cemeteries |
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Seasonal dynamics of bird community in urban parks and cemeteries |
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Seasonal dynamics of bird community in urban parks and cemeteries |
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seasonal dynamics of bird community in urban parks and cemeteries |
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Urban green spaces play a fundamental role in bird conservation in cities. Although the role of urban parks in conserving bird diversity has been explored on a global scale, the analysis of the role of cemeteries has been scarcer. This study aimed to describe and compare the seasonal dynamic of different components of avian taxonomic diversity and composition in two types of urban green areas, parks and cemeteries, in the Autonomous City of Buenos Aires (Argentina). Birds were counted at fixed counting points of 100 m radius in three parks and three cemeteries, and rarefaction curves were used to compare their taxonomic diversity between parks and cemeteries during the breeding and non-breeding seasons. In general, bird diversity (measured as species richness and Shannon and Simpson diversity index) was higher in cemeteries than in parks and during the breeding season, showing greater variation in cemeteries. Bird composition changed between seasons, with Zenaida auriculata being the most common species during the breeding season and Myiopsitta monachus the most abundant during the non-breeding season. However, the composition of the avian community (the most common and abundant species) was similar between parks and cemeteries. Our results suggest that cemeteries are green spaces of great importance since they add heterogeneity to the urban landscape, providing a greater diversity of micro-habitats capable of housing a higher number of species than parks. The higher degree of seasonal variation in the bird community in cemeteries suggests that these habitats help maintain the natural seasonal dynamics. |
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Asociación Argentina de Ecología |
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2023 |
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AT bocellimlucia seasonaldynamicsofbirdcommunityinurbanparksandcemeteries AT morellifederico seasonaldynamicsofbirdcommunityinurbanparksandcemeteries AT benedettiyanina seasonaldynamicsofbirdcommunityinurbanparksandcemeteries AT leveaulucasm seasonaldynamicsofbirdcommunityinurbanparksandcemeteries AT bocellimlucia dinamicaestacionaldelacomunidaddeavesenparquesurbanosycementeriosdebuenosairesargentina AT morellifederico dinamicaestacionaldelacomunidaddeavesenparquesurbanosycementeriosdebuenosairesargentina AT benedettiyanina dinamicaestacionaldelacomunidaddeavesenparquesurbanosycementeriosdebuenosairesargentina AT leveaulucasm dinamicaestacionaldelacomunidaddeavesenparquesurbanosycementeriosdebuenosairesargentina |
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rev-ecoaus-article-20192023-11-02T14:29:03Z Seasonal dynamics of bird community in urban parks and cemeteries Dinámica estacional de la comunidad de aves en parques urbanos y cementerios de Buenos Aires, Argentina Bocelli, M. Lucía Morelli, Federico Benedetti, Yanina Leveau, Lucas M. diversity urbanization diversidad estacionalidad urbanización Urban green spaces play a fundamental role in bird conservation in cities. Although the role of urban parks in conserving bird diversity has been explored on a global scale, the analysis of the role of cemeteries has been scarcer. This study aimed to describe and compare the seasonal dynamic of different components of avian taxonomic diversity and composition in two types of urban green areas, parks and cemeteries, in the Autonomous City of Buenos Aires (Argentina). Birds were counted at fixed counting points of 100 m radius in three parks and three cemeteries, and rarefaction curves were used to compare their taxonomic diversity between parks and cemeteries during the breeding and non-breeding seasons. In general, bird diversity (measured as species richness and Shannon and Simpson diversity index) was higher in cemeteries than in parks and during the breeding season, showing greater variation in cemeteries. Bird composition changed between seasons, with Zenaida auriculata being the most common species during the breeding season and Myiopsitta monachus the most abundant during the non-breeding season. However, the composition of the avian community (the most common and abundant species) was similar between parks and cemeteries. Our results suggest that cemeteries are green spaces of great importance since they add heterogeneity to the urban landscape, providing a greater diversity of micro-habitats capable of housing a higher number of species than parks. The higher degree of seasonal variation in the bird community in cemeteries suggests that these habitats help maintain the natural seasonal dynamics. Los espacios verdes urbanos cumplen un rol fundamental para la conservación de aves en ciudades. Aunque el rol de los parques urbanos para conservar la diversidad de aves ha sido analizado a escala global, el análisis del rol de los cementerios ha sido más escaso. El objetivo del trabajo fue describir y comparar la dinámica estacional de diferentes componentes de diversidad taxonómica y composición de aves en cementerios y parques urbanos de la Ciudad Autónoma de Buenos Aires (Argentina). Las aves fueron muestreadas en puntos de conteo de 100 m de radio, ubicados en tres parques y tres cementerios de la ciudad, utilizándose curvas de rarefacción para determinar su diversidad taxonómica durante las estaciones reproductivas y no reproductivas. En general, la diversidad de aves (medida como la riqueza de especies y el índice de diversidad de Shannon y de Simpson) fue mayor en cementerios que en parques y durante la época reproductiva, mostrando mayor variación estacional de la diversidad en los primeros. La composición de aves varió entre estaciones, siendo Zenaida auriculata la especie más común durante la época reproductiva y Myiopsitta monachus la más abundante durante la época no reproductiva. Sin embargo, las especies más comunes y abundantes dentro de la comunidad, fueron similares en parques y cementerios. Estos resultados indican que la diversidad taxonómica de especies de aves en áreas verdes de Buenos Aires varía estacionalmente y que aumenta, en particular, en cementerios durante la época reproductiva. Por lo tanto, los cementerios serían de gran importancia para la conservación de aves, ya que agregan heterogeneidad al paisaje urbano, brindando una mayor diversidad de hábitats capaces de albergar un número más elevado de especies. A su vez, el hecho de que las comunidades de aves cambien según la temporada sugiere que los cementerios urbanos ayudan a mantener las dinámicas estacionales propias de la región. Asociación Argentina de Ecología 2023-05-25 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículos application/pdf application/pdf https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/2019 10.25260/EA.23.33.2.0.2019 Ecología Austral; Vol. 33 No. 2 (2023): August 2023. Pages 314-640; 469-478 Ecología Austral; Vol. 33 Núm. 2 (2023): August 2023. Pages 314-640; 469-478 0327-5477 1667-7838 spa https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/2019/1392 https://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/2019/1393 Derechos de autor 2023 M. Lucía Bocelli, Federico Morelli, Yanina Benedetti, Lucas M. Leveau https://creativecommons.org/licenses/by/3.0/ |