Spatial patterns of dicot diversity in Argentina |
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Authors: | Alejandra Juárez Pablo Ortega-Baes Silvia Sühring Walter Martin Guadalupe Galíndez |
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Institution: | (1) Laboratorio de Investigaciones Botánicas (LABIBO), Facultad de Ciencias Naturales, Universidad Nacional de Salta, Buenos Aires 177, 4400 Salta, Argentina;(2) Departamento de Ecología de la Biodiversidad, Instituto de Ecología, Universidad Nacional Autónoma de México, Apdo. Postal 70-275, 04510 México, D.F, México |
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Abstract: | In this paper, we analyzed the taxonomic diversity of the Argentine dicots to evaluate their relationships with area, latitude,
and longitude. We also evaluated species diversity and higher taxa diversity relationships. The families, genera and species
diversity in Argentine dicots was not explained by the area of each province but it varied through latitudinal and longitudinal
gradients. The taxonomic diversity of these plants increased from high to low latitudes and west–east longitudes. These patterns
would explain why the main diversity centers are located in the North region of this country. As we expected the species diversity
and higher taxa diversity showed a positive relationship. At this scale, higher taxa diversity could be use as surrogate for
species diversity. |
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Keywords: | Argentina Dicots Plant diversity Spatial gradients Species richness |
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