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Artículo

Do taxonomic, phylogenetic and functional plant α- and β-diversity reflect environmental patterns in the Lower Paraná River floodplain?

Morandeira, Natalia SoledadIcon ; Kandus, Patricia
Fecha de publicación: 04/2017
Editorial: Taylor & Francis Ltd
Revista: Plant Ecology & Diversity
ISSN: 1755-0874
e-ISSN: 1755-1668
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

Background: Floodplain wetlands feature high plant biodiversity, comprising variability in several organisation levels and at different scales. Aims: In a large river floodplain, we aimed to answer whether taxonomic, phylogenetic and functional α-diversity of herbaceous assemblages responded to hydrogeomorphic features conditioning the local flood pulse and/or to soil features; and to determine the relationship between β-diversity and geographic and environmental distances. Methods: Taxonomic, phylogenetic and functional α-diversity indices were computed in 82 sites in the Lower Paraná River floodplain. Relationships between α-diversity and environment were explored by generalised linear models. Spatial structure was assessed by semi-variograms. Responses of partitions of β-diversity to geographic or environmental distances were tested through multiple regressions in distance matrices. Results: Taxonomic and phylogenetic α-diversity showed a similar pattern in relation to environment, especially to hydrogeomorphic features. The regression model fitted to species richness had the highest explanatory power. Regarding functional α-diversity, only the number of plant functional types responded to environmental features. Partitions of β-diversity, particularly the replacement of functional strategies, were better explained by environmental than by geographic distances. Conclusions: The diversity patterns of plant assemblages in a large river floodplain highlight the importance of heterogeneity conditioning the local effect of flood pulse regimes.
Palabras clave: Autocorrelation , Floodplain Wetlands , Generalised Linear Models , Macrophytes , Wetland Ecology
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info:eu-repo/semantics/openAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/40701
DOI: http://dx.doi.org/10.1080/17550874.2017.1315838
URL: https://www.tandfonline.com/doi/full/10.1080/17550874.2017.1315838
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Citación
Morandeira, Natalia Soledad; Kandus, Patricia; Do taxonomic, phylogenetic and functional plant α- and β-diversity reflect environmental patterns in the Lower Paraná River floodplain?; Taylor & Francis Ltd; Plant Ecology & Diversity; 10; 2-3; 4-2017; 1-13
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