1999
DOI: 10.3354/meps178229
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Predation of waders and gulls on Lanice conchilega tidal flats in the Wadden Sea

Abstract: Evaluation of the importance of different benthos communities as feeding sites for waders and waterfowl is not only fundamental for understanding feeding ecology, it also enables the prediction of the effects of habitat loss. However, detailed analyses of the importance of different benthos communities for waterbirds are scarce, particularly for the German Wadden Sea. In the early 1990s. backbarrier tidal flats of the East Frisian Wadden Sea were dominated by Lanice conchllega. To estimate the relevance of tho… Show more

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Cited by 31 publications
(26 citation statements)
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“…The anterior end of the tube protrudes 1 to 4 cm above the sediment surface and is crowned with a fringe. L. conchilega can switch between deposit and suspension feeding (Buhr 1976), and is preyed upon by wading birds (Petersen & Exo 1999) and fish (Kühl 1963).…”
Section: Introductionmentioning
confidence: 99%
“…The anterior end of the tube protrudes 1 to 4 cm above the sediment surface and is crowned with a fringe. L. conchilega can switch between deposit and suspension feeding (Buhr 1976), and is preyed upon by wading birds (Petersen & Exo 1999) and fish (Kühl 1963).…”
Section: Introductionmentioning
confidence: 99%
“…For example, as blue mussels form a substantial part of their diet, oystercatchers tend to be highly associated with reef builders (Goss-Custard 1996). Eurasian curlew typically respond to an increased abundance of crabs and shrimps in and near reefs compared to sandy intertidal flats, but they also feed on bare mudflats (Goss-Custard and Jones 1976;Petersen and Exo 1999). The degree of association for bar-tailed godwits is probably lower, because they feed on a large variety of benthic animals often along the edge of the receding and advancing tide (Goss-Custard and others 1977;Scheiffarth 2001).…”
Section: Bird Mappingmentioning
confidence: 99%
“…When disturbed, the worm can rapidly retract into its tube to depths of more than 20 cm (Ziegelmeier 1952;Dales 1955). Consequently, it is very difficult to sample L. conchilega individuals with corers for intertidal sampling (Heuers et al 1998;Petersen and Exo 1999;Ropert and Dauvin 2000;Strasser and Pieloth 2001;Zü hlke 2001;Callaway 2003) and certainly with a Hamon grab (Ropert and Dauvin 2000) or a Van Veen grab in the case of subtidal populations (Buhr and Winter 1977;this study). Generally, a Van Veen grab (50-70 kg, not loaded with extra weight), frequently used in macrobenthic studies, penetrates 10-15 cm into the sediment, depending on the type of substrate (Beukema 1974).…”
Section: Introductionmentioning
confidence: 99%
“…The species is of high ecological importance since (1) its dense populations affect sediment properties (Jones and Jago 1993) and oxygen transport (Forster and Graf 1995), (2) it alters the composition of benthic communities (Zü hlke 2001), and (3) it is an important food item for birds and fish (Petersen and Exo 1999). The worms build very characteristic tubes, made of cemented sand grains and shell breccia (Ziegelmeier 1952).…”
Section: Introductionmentioning
confidence: 99%