English   español  
Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/37182
Share/Impact:
Statistics
logo share SHARE logo core CORE   Add this article to your Mendeley library MendeleyBASE

Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar a otros formatos:

Title

High dispersal capacity of a broad spectrum of aquatic invertebrates via waterbirds

AuthorsFrisch, Dagmar ; Green, Andy J. ; Figuerola, Jordi
KeywordsInternal transport
Zooplankton
Daphnia
Moina
Issue DateDec-2007
PublisherSpringer
CitationAquat. Sci. 69 (2007) 568 – 574
AbstractSpeculation about the role of waterbirds in the dispersal of aquatic invertebrates pre-dates Dar- win. However, there is a critical shortage of field studies quantifying such dispersal. We quantified the viability of aquatic invertebrates in the faeces of different waterfowl species collected in the field at different times during winter. Faeces were collected from four duck species (Northern Pintail Anas acuta, Mallard A. platyrhynchos, Shoveler A. clypeata, Eurasian Teal A. crecca) and Eurasian Coot Fulica atra in November 2004 and January 2005. We also collected soil samples from resting sites as an indicator of what may be transported on birds< feet and plumage. Faecal and soil samples were incubated using two treatments (0.4 and 4.0 mS cm–1) to quantify the potential for dispersal between aquatic habitats of different salinities. We found that viable Nematoda, Rotifera, Copepoda, Ostracoda, Insecta (Tipulidae), and Daphnia and Moina cladocerans were trans- ported internally by birds in the wild. We also found evidence that nematodes, rotifers, ostracods, cope- pods, tipulids, chironomids and hemipterans can be dispersed on birds< feet and feathers. The overall incidence of hatching from all samples was higher in January (59.4 %) than in November (11.5 %). With the exception of bdelloid rotifers, we found no evidence that the potential for dispersal between two habitats would be impeded by salinity in the range tested. Our data suggest that the taxonomic range of dispersed invertebrates and the frequency of their dispersal via waterfowl has previously been underestimated
Publisher version (URL)http://www.springerlink.com/content/hw826k7157437618/fulltext.pdf
URIhttp://hdl.handle.net/10261/37182
DOI10.1007/s00027-007-0915-0
Appears in Collections:(EBD) Artículos
Files in This Item:
File Description SizeFormat 
aquaticsciences07.doc702,5 kBMicrosoft WordView/Open
Show full item record
Review this work
 

Related articles:


WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.