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Biological Invasions

, Volume 11, Issue 2, pp 467–472 | Cite as

Incipient invasion of Galenia secunda Sond. (Aizoaceae) in Southern Spain

  • Juan García-de-Lomas
  • Ignacio Hernández
  • Íñigo Sánchez-García
Brief Communication

Abstract

The occurrence of the carpet weed Galenia secunda (L. fil.) Sond. (Aizoaceae) has been reported in Southern Spain. G. secunda is a prostrate perennial species native to South Africa. In this paper, the current distribution of G. secunda and the main habitats invaded in Southern Spain, are reported. The distribution survey revealed an area of occupancy of 92 ha and an extent of occurrence of 14,250 ha for this species, thus suggesting an early stage of invasion. Since the first citation of this species in Spain (1965), our current data (2007) support a rapid spread and invasiveness of G. secunda as a result of an intense rate of coastal development. G. secunda was more often found near roads, because roads facilitate seed dispersal. G. secunda also appeared in other coastal natural habitats such as sand dunes, where G. secunda forms dense monospecific mats. Studies on its invasion potential and impacts in natural habitats are recommended and control measures should be developed to prevent future expansion.

Keywords

Galenia secunda Weed Spread Coast Disturbance Spain 

Notes

Acknowledgements

This research was supported by Grant P06/RNM/02030 from La Junta de Andalucia, Spain. The authors thank F. Ojeda for providing data from the NBG Herbarium. We acknowledge C. Ramirez and N. Perea for their field assistance.

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  • Juan García-de-Lomas
    • 1
  • Ignacio Hernández
    • 1
  • Íñigo Sánchez-García
    • 2
  1. 1.Department of Biology, Faculty of Marine and Environmental SciencesUniversity of CadizPuerto Real, CadizSpain
  2. 2.Zoobotanico de JerezJerez de la FronteraSpain

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