Floristic comparison and trophic condition based on indicator species in coastal lagoons of the Araucanian Region, Chile

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Floristic comparison and trophic condition based on indicator species in coastal lagoons of the Araucanian Region, Chile

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Title: Floristic comparison and trophic condition based on indicator species in coastal lagoons of the Araucanian Region, Chile
Handle URI: https://hdl.handle.net/10925/702
Título Alternativo: Comparación florística y estado trófico basado en plantas indicadoras de lagunas costeras de la región de La Araucanía, Chile
Abstract: This study describes and analyses plant species diversity and identifies indicator species for nitrogen eutrophization in four coastal lagoons in the Araucanian Region, Chile. A total of 82 vascular macrophyte species were identified. Tromen lagoon has the highest species richness (45 taxa), followed by Patagila and Peule with 42 species each, while only 36 were found in Puyehue. Patagüa and Peule have the most similar flora, while Puyehue is the most dissimilar. Aloctonous species predominate in all four lakes (more than 47% being introduced species), and the most common life form are the hemicryptophytes with 40 species, indicating a strong human impact on their lakeshores. Patagüa lagoon has the greatest number of eutrophication indicators (8 species), showing a high trophic level. Puyehue, on the other hand, has only three, coinciding with the lowest species richness, so its trophic level should be lower.
Palabras Claves: Ecología - Bioindicadores - Macrófitas - Humedales
Datos de publicación: Ecología Austral, Vol.18, N°1, 43-53, 2008
Facultad: Facultad de Recursos Naturales
Carrera: Geografía - Ingeniería en Recursos Naturales Renovables - Ingeniería Forestal

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