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Título: | Above-ground biomass and species richness in a mediterranean salt-marsh. |
Autor: | García, Luis V. CSIC ORCID ; Marañón, Teodoro CSIC ORCID ; Moreno López, Adela CSIC ORCID; Clemente Salas, Luis CSIC | Palabras clave: | Canonical correspondence analysis Diversity Doñana National Park Marismas Salinity Standing crop Water regime |
Fecha de publicación: | abr-1993 | Citación: | Journal of Vegetation Science 4(3): 417-424 (1993) | Resumen: | Species composition, above-ground biomass and diversity of herbaceous communities were recorded in 50 sites on the upper salt marsh of the Guadalquivir delta (SW Spain). Through Canonical Correspondence Analysis relationships were shown between plant-species characteristics abundance and environmental variables. Seven community types were distinguished and related to hydrological regime and physical and chemical soil parameters. The higher species richness was associated with moderate values of above-ground biomass (Biomass at maximum diversity, BMD = 302 g/m2). Salinity was negatively correlated with species richness. There was no significant correlation with total above-ground biomass. Water regime and soil nutrient (Ca, Mg) content were significant predictors of the community above-ground biomass. | Descripción: | 8 páginas, 2 tablas, 5 diagramas, 43 referencias. | URI: | http://hdl.handle.net/10261/17713 | DOI: | 10.2307/3235601 |
Aparece en las colecciones: | (IRNAS) Artículos |
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Above-ground biomass and species richness in a Mediterranean salt-marsh.pdf | 568,04 kB | Adobe PDF | Visualizar/Abrir |
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