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Comparison of three life-history traits of invasive Elodea canadensis Michx. and Elodea nuttallii (Planch.) H. St. John
Barrat-Segretain, M.-H.; Elger, A.; Sagnes, P.; Puijalon, S. (2002). Comparison of three life-history traits of invasive Elodea canadensis Michx. and Elodea nuttallii (Planch.) H. St. John. Aquat. Bot. 74(4): 299-313. dx.doi.org/10.1016/s0304-3770(02)00106-7
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

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Keywords
    Colonization; Introduced species; Life history; Palatability; Regeneration; Resistance mechanisms; Vegetative reproduction; Water currents; Elodea canadensis; Elodea nuttallii; Marine

Authors  Top 
  • Barrat-Segretain, M.-H.
  • Elger, A.
  • Sagnes, P.
  • Puijalon, S.

Abstract
    Three life-history traits, regeneration and colonisation of vegetative plant fragments, resistance to water current and palatability to a generalist herbivore were compared in two invasive macrophyte species, Elodea canadensis Michx. and Elodea nuttallii (Planch.) H. St. John. Few differences in traits were found between these species. Both species showed similar resistance to water current, whilst fragment regeneration and colonisation and palatability were only slightly higher in E. nuttallii than in E. canadensis. These small differences do not explain the displacement of E. canadensis byE. nuttallii as observed in the field.

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