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|Unintentional dispersal of aquatic invertebrates via footwear and motor vehicles in a Mediterranean wetland area|Waterkeyn, A.; Vanschoenwinkel, B.; Elsen, S.; Anton-Pardo, M.; Grillas, P.; Brendonck, L. (2010). Unintentional dispersal of aquatic invertebrates via footwear and motor vehicles in a Mediterranean wetland area. Aquat. Conserv. 20(5): 580-587. dx.doi.org/10.1002/aqc.1122
In: Aquatic Conservation: Marine and Freshwater Ecosystems. Wiley: Chichester; New York . ISSN 1052-7613; e-ISSN 1099-0755
Artemia Leach, 1819 [WoRMS]
human dispersal; aquatic invertebrates; passive dispersal; propagules; Camargue; Artemia
|Auteurs|| || Top |
- Waterkeyn, A.
- Vanschoenwinkel, B.
- Elsen, S.
- Anton-Pardo, M.
- Grillas, P.
- Brendonck, L.
1. Several human activities, such as actions for nature conservation, research and recreational activities, are closely associated with inland aquatic habitats that are usually considered as isolated island habitats. In this study, the possibility of unintentional dispersal of aquatic invertebrates among water bodies via footwear and motor vehicles was investigated.
2. Mud samples collected from boots and from the tyres and wheel cases of cars used for field work by biologists (Camargue, Southern France) were hatched under laboratory conditions and also checked for the presence of unhatched propagules. A large number of organisms hatched and invertebrate propagules from a wide range of taxa were encountered (including Artemia, freshwater large branchiopods, Cladocera, Ostracoda, Rotifera, Turbellaria, Nematoda, etc.). The results also demonstrated that different research groups tend to transport the aquatic invertebrates typical for their respective study systems.
3. Human dispersal of aquatic invertebrates has been studied mainly on large continental scales, such as in the case of transoceanic transport via ballast water in ships. This study provides evidence that dispersal via footwear and motor vehicles may result in frequent dispersal of aquatic invertebrates on a local scale, and we presume also occasionally over longer distances. Given the rapid spread of invasive zooplankton species (e. g. Artemia franciscana encountered in this study), we promote caution and recommend cleaning before transport of any equipment which comes in contact with water or aquatic sediment. Copyright (C) 2010 John Wiley & Sons, Ltd.