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The ecology of the Middle Ebro floodplain forests and their hydrogeomorphic drivers: An integrative assessment for management

AutorGonzález, Eduardo
Palabras claveSalicaceae
Floodplain forest restoration
semi-arid river
nitrogen and phosphorus leaf concentration
Fecha de publicación2013
EditorUniversité de Provence
CitaciónMediterranee 118: 29- 40 (2013)
ResumenThis paper summarizes a four-year study that examined the key role of the regulated hydrogeomorphic regime on some aspects of the floodplain forest ecology in the Middle Ebro River (NE Spain), including landscape and patch structure, regeneration, litter production and nutrient use by dominant riparian trees. Such an integrative work is aimed at guiding management and restoration plans in the Ebro and other large Mediterranean rivers similarly constrained by regulation. The results demonstrated how decades of regulation by dams, diversions and dikes have caused a generalized senescence in the floodplain forest of the study area that might even alter its species composition in the near future. The high dependence of floodplain forest ecology on the hydrogeomorphic regime was also showed by a P limitation in the floodplain, mediated by sedimentation processes, which controlled litter production and nutrient resorption proficiency in the dominant tree genus Populus and Tamarix. To protect the ecological integrity of the Ebro floodplain forests and analog river ecosystems in the Mediterranean region, management and restoration measures that succeed in reactivating a certain degree of hydrogeomorphic dynamism should be implemented.
Versión del editorhttp://mediterranee.revues.org/6198
Identificadoresissn: 0025-8296
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