Seasonal transpiration pattern of Phragmites australis in a wetland of semi-arid Spain
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http://hdl.handle.net/10045/25556
Títol: | Seasonal transpiration pattern of Phragmites australis in a wetland of semi-arid Spain |
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Autors: | Moro Cuadrillero, María José | Domingo Poveda, Francisco | López Iborra, Germán M. |
Grups d'investigació o GITE: | Impacto Humano y Restauración de la Biodiversidad: Ecología del Paisaje | Ecología Espacial y del Paisaje (EEP) | Zoología de Vertebrados |
Centre, Departament o Servei: | Universidad de Alicante. Departamento de Ecología |
Paraules clau: | Phragmites australis | Sap flow | Transpiration | Stem heat-balance method | Wetlands | Semi-arid environments | El Hondo | Alicante | Southeastern Spain |
Àrees de coneixement: | Ecología |
Data de publicació: | 23-de gener-2004 |
Editor: | John Wiley & Sons |
Citació bibliogràfica: | MORO, María José; DOMINGO, Francisco; LÓPEZ, Germán. “Seasonal transpiration pattern of Phragmites australis in a wetland of semi-arid Spain”. Hydrological Processes. Vol. 18, Issue 2 (15 Febr. 2004). ISSN 0885-6087, pp. 213-227 |
Resum: | Transpiration rates were measured in a flooded population of Phragmites australis ssp. altissima in a wetland located in ‘El Hondo’ Natural Park (southeastern Spain) during the growing season of 2000. The heat balance method for measuring sap flow was used to calculate the rate of water transpiration on a whole-stem basis. Four series of measurements were carried out in selected weeks in May, June, August and October. Structure, biomass and leaf area index of the reed population were simultaneously quantified in order to scale transpiration on a plot-area basis. Overall, transpiration flux was high during the sampling period and showed a typical diurnal pattern with a maximum at about midday. Mean transpiration was highest at the end of June coinciding with the peak of reed growth and with the maximum leaf area both at individual and plot scales. Rates decreased abruptly in October, in parallel with the advanced foliar senescence. The variation of both midday and integrated daily transpiration is significantly related to that of the air temperature on clear days. Cloudy and rainy days exert a pronounced effect on water loss by decreasing transpiration. Our results highlight the potential use of the sap-flow method to measure transpiration in reed ecosystems and the relevance of this flux for the water balance in wetlands in semi-arid environments. Thus, it is suggested that water management in these areas could be favoured by acquiring high-quality experimental data. |
Patrocinadors: | This work has been funded by the Generalitat Valenciana (project GV99-43-1-03), the CICYT project ‘Modelización del balance de energía en áreas espacialmente heterogéneas de clima semiárido’ (ref. CLI99-0835-C02-02), by the Spanish National R&D Programme on Climate and by a short-visit grant funded by the Generalitat Valenciana (INV00-16-8) to the University of Alicante for the second author. |
URI: | http://hdl.handle.net/10045/25556 |
ISSN: | 0885-6087 (Print) | 1099-1085 (Online) |
DOI: | 10.1002/hyp.1371 |
Idioma: | eng |
Tipus: | info:eu-repo/semantics/article |
Drets: | The definitive version is available at http://onlinelibrary.wiley.com |
Revisió científica: | si |
Versió de l'editor: | http://dx.doi.org/10.1002/hyp.1371 |
Apareix a la col·lecció: | INV - IRBEP - Artículos de Revistas INV - EEP - Artículos de Revistas INV - ECPCA - Artículos de Revistas |
Arxius per aquest ítem:
Arxiu | Descripció | Tamany | Format | |
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Moro-HydrolProcess,2004.pdf | Versión final (acceso restringido) | 159,8 kB | Adobe PDF | Obrir Sol·licitar una còpia |
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