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Monitoring the invasion of the aquatic bug Trichocorixa verticalis verticalis (Hemiptera: Corixidae) in the wetlands of Doñana National Park (SW Spain)

AuthorsRodríguez-Pérez, Héctor ; Florencio, Margarita ; Gómez-Rodríguez, Carola ; Green, Andy J. ; Díaz-Paniagua, Carmen ; Serrano Martín, Laura
Exotic species
Issue Date29-Jul-2009
CitationHydrobiologia 634(1): 209-217 (2009)
AbstractWe have detected the presence of the North American native corixid Trichocorixa verticalis verticalis (Fieber, 1851) in Doñana wetlands (SW Spain). We have collected data from different research projects done in the area during the period of 2001–2007. We have sampled 134 different sites in Doñana and we found the exotic corixid in 66 occasions. We have found two reproductive populations that might act as sources for the colonization of other waterbodies in the area. When reproduction occurred T. v. verticalis outcompeted native corixids. Its presence out of the waterbodies where we detected reproduction was in small numbers and probably due to vagrant individuals.
Description9 pages, 3 figures, 2 tables.-- Printed version published Nov 2009.-- Issue title: "Pond Conservation: From Science to Practice. 3rd Conference of the European Pond Conservation Network" (Valencia, Spain, May 14–16, 2008).
Publisher version (URL)http://dx.doi.org/10.1007/s10750-009-9901-y
Appears in Collections:(EBD) Artículos
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