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Table 1 Description of sampling sites and gull species

From: Carriage of CTX-M type extended spectrum β-lactamases (ESBLs) in gulls across Europe

Country

Location

Speciesa

Samples (n)b

Description

Denmark

Blavand

Larus fuscus (60 %)

158

Coastline close to Roskilde

  

Larus argentatus (40 %)

  

England

Bristol

Larus argentatus

133

Central Bristol

Ireland

Howth

Larus argentatus

266

Suburb of Dublin close to fishing habour

Latvia

Daugava

Larus argentatus

323

Close to central Riga

 

Kaltene

Larus argentatus

101

Countryside 60 km SV Riga

Netherlands

Borsele

Larus argentatus

280

Industry habour

 

Rotterdam

Larus fuscus (90 %)

280

Industry habour

  

Larus argentatus (10 %)

  

Poland

Wladyslawowo

Larus argentatus

280

Coastline close to Gdansk

Portugal

Lagos

Larus michaellis

314

Fish market in Lagos

 

Portimao

Larus michaellis

111

Coastline close to Portimao

Spain

Emporda

Larus michaellis

199

Citydump outside Emporda

 

Mazarron

Larus michaellis

321

Breeding colonie close to Mazarron

 

Malaga

Larus michaellis

175

Harbour in Malaga

Sweden

Hudiksvall

Larus argentatus

217

Archipelago outside Hudiksvall

  1. aPercentage (%) represents the frequency of a gull species in the sampled flocks when there was more than one species present in the flock
  2. bNumber of viable samples from each sampling site