Restauración de ecosistemas de ribera en la Reserva Natural de los Galachos del Ebro

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Palabras clave

Restauración de rios, bosque de ribera

Tipo de experiencia

Conservación

Subtipo de experiencia

Manejo de especies (fauna y flora)

Ámbito territorial

Aragón

Espacio protegido

Reserva Natural Dirigida de los Galachos de La Alfranca de Pastriz, La Cartuja, El Burgo de Ebro

Entidad responsable de la experiencia

Reserva Natural Dirigida de los Galachos de La Alfranca de Pastriz; La Cartuja; El Burgo de Ebro

Situación de partida

La Reserva Natural de los Galachos protege uno de los fragmentos mejor conservados de sotos y galachos de la llanura de inundación del río Ebro. Los galachos son lagunas formadas por el estrangulamiento de meandros en un espacio plano donde el río cambiaba constantemente de curso. La agricultura intensiva y, más recientemente, las edificaciones ilegales, constituyen las principales amenazas para el espacio. La construcción de embalses en cabecera y, especialmente defensas y motas a los lados del río, impide el desbordamiento del mismo y el cambio de trazado, lo que ha alterado la dinámica e imposibilita la formación de nuevos galachos.

Objetivos

Aumentar la superficie dedicada a ecosistemas naturales frente a la dedicada a la agricultura y plantaciones de chopos.

Acciones desarrolladas

• Entre 1996 y 2001
  • Creación de una laguna artificial diseñada para las aves acuáticas, a fin de compensar la pérdida de galachos.
  • Restauración de antiguas graveras
  • Recuperación como soto ribereño antiguas plantaciones de chopos y campos agrícolas, mediante la adecuación del suelo y plantación de árboles de ribera en unas 60 hectáreas.
• Entre 2001 y 2006
  • Apertura de dos nuevas balsas alimentadas por el freático
  • Restauración de 30 ha de bosque de ribera.
  • Apertura parcial de defensas y apertura de canales naturales del río, a fin de que el Ebro pueda inundar más fácilmente ciertas áreas de la Reserva.

Resultados obtenidos

Ha mejorado la permeabilidad al río de ciertos sectores de la Reserva, se han creado ambientes lagunares y palustres y se han aumentado los hábitats naturales, especialmente los sotos, a costa de los cultivos.

Más información

Instrumento de gestión en el que se enmarca

• PORN: aprobado en 2007

Entidades implicadas

• Diputación General de Aragón (Otras administraciones públicas).

Fuentes de financiación

• Presupuesto de la Consejería: Diputación General de Aragón (50%)
• Fondos europeos: Entre 1996 y 2001 se dispuso de un proyecto LIFE-Naturaleza (50%)

Contactos

• Joaquín Guerrero (jguerrero@aragon.es)

• Campo Enrique Arrechea (earrechea@aragon.es)

Fecha de inicio y de fin

1997 (en ejecución)

Fecha de creación

17 marzo 2008 17:08:55

Cartografía

Cargando el mapa…

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Observaciones

Objeto de conservación sobre el que se actúa

• Gestión de hábitats/ecosistemas: Ecosistemas riparios
• Procesos ecológicos: Régimen de inundaciones