Mejora del hábitat del lepidóptero ''Iolana iolas'' en el Parque Natural de Sant Llorenç del Munt i l’Obac

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Palabras clave

Lepidópteros, Iolana iolas

Tipo de experiencia

Conservación

Subtipo de experiencia

Manejo de especies (fauna y flora)

Ámbito territorial

Cataluña

Espacio protegido

Sant Llorenç del Munt i l’Obac

Entidad responsable de la experiencia

Sant Llorenç del Munt i l’Obac

Situación de partida

Iolana iolas es un lepidóptero escaso en Cataluñacuya distribución ha sido objeto de estudios recientes: Pérez De-Gregorio et al. (2003) y Vila & Viader (2008).

La especie depende estrictamente para su desarrollo de tres arbustos de la familia de las Papilionáceas conocidas como colutea o espantalobos: Colutea arborescens, C. hispanica y C. Brevialata. Tanto las plantas nutricias como la mariposa son especies típicas de espacios soleados y abiertos, como son los márgenes de caminos y claros en el bosque. A diferencia de lo que se observa en muchas zonas de España, Iolana iolas tiene en Cataluña densidades muy bajas, hecho que ha motivado que Vila (2008) la haya calificado como especie vulnerable. Como resultado del Plan de Seguimiento de Parámetros Ecológicos del parque, que se nutre en parte de datos procedents del proyecto del Catalan Butterfly Monitoring Scheme (CBMS), y de observaciones de la asociación Objectiu Natura, se detectaron tres puntos en el parque con presencia de Iolana iolas. Este hecho fué muy relevante, ya que hacia más de una década que no se citaba esta especie.

Objetivos

• Contrarrestar la regresión y mejorar la situacion de esta mariposa en el parque.
• Implicar a los voluntarios con el Plan de Seguimiento del Parque y los estudiosos.

Acciones desarrolladas

Plantación de 200 ejemplares de Colutea arborescens en 10 puntos de espacios abiertos, donde a priori el hábitat es favorable para este tipo de planta y la posterior recolonización por parte de la mariposa.

Resultados obtenidos

Se realizó la plantación en el invierno del año 2007, las plantas tienen su protector contra herbívoros y ya han arraigado, en parte gracias a las abundantes lluvias de la primavera del 2008. Se espera detectar mediante el seguimiento un incremento en cuanto a la presencia de la mariposa, que no se materializará hasta que la planta florezca y fructifique.

Información complementaria

• Cercle d’Amics dels Parcs Naturals
• Diputaciò Barcelona
• Página general del parque

Más información

Presupuesto

0

• Inversión: Sin coste.
  • Coste de material: la planta es cedida y los protectores se han reciclado de sobrantes de otras plantaciones. El coste de la mano de obra es cubierto por personal propio del espacio y voluntarios.

Instrumento de gestión en el que se enmarca

• PORN: Pla especial de protecció del medi físic i el paisatge del Parc Natural de Sant Llorenç de Munt i l'Obac
• PLAN: Plan anual de gestión
• Otros: Plan de Seguimiento de Parámetros Ecológicos del parque

Sistema de seguimiento y evaluación

Plan de Seguimiento del Parque.

Difusión de los resultados

Se ha implicado a los voluntarios en el Plan de Seguimiento del Parque, y se ha dado difusión, de la actuación al público en general y en el ámbito científico, através de distintos medios de comunicación.

Recursos humanos

Personal técnico y de mantenimiento del Parque, investigadores del Catalan Butterfly Monitoring Scheme y voluntarios (Cercle d’Amics dels Parcs Naturals, Associaciació Objectiu Natura).

Entidades implicadas

• Área protegida.

• Catalan Butterfly Monitoring Scheme (CBMS) (Universidades y centros de investigación).

• Cercle d’Amics dels Parcs Naturals (Otras entidades).

• Associaciació Objectiu Natura (Otras entidades).

Contactos

• Josep Torrentó (torrentomj@diba.cat)

• Angel Miño (?)

• Anna Agenjo (?)

• Joaquim Muñoz (?)

• Josep M. Sesma (?)

• Constantí Stefanescu (?)

Fecha de inicio y de fin

2007 (en ejecución)

Fecha de creación

10 julio 2008 10:08:23

Cartografía

Cargando el mapa…

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Observaciones

Objeto de conservación sobre el que se actúa

• Fauna: Iolana iolas