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Faasse, M.; Van Moorsel, G. (2003). The North-American amphipods, Melita nitida Smith, 1873 and Incisocalliope aestuarius (Watling and Maurer, 1973) (Crustacea: Amphipoda: Gammaridea), introduced to the Western Scheldt estuary (The Netherlands). Aquatic Ecology. 37(1): 13-22.
1141
10.1023/a:1022120729031 [view]
Faasse, M.; Van Moorsel, G.
2003
The North-American amphipods, Melita nitida Smith, 1873 and Incisocalliope aestuarius (Watling and Maurer, 1973) (Crustacea: Amphipoda: Gammaridea), introduced to the Western Scheldt estuary (The Netherlands)
Aquatic Ecology
37(1): 13-22
Publication
The American amphipod species Melita nitida and Incisocalliopeaestuarius have been found in the Western Scheldt estuary (theNetherlands). This is the first record of these species in thenorth-east Atlantic. Shipping is the most likely vector of introduction. The distribution of both species is investigated andcompared with the distribution and the microhabitat ofco-occurring amphipod species. Melita nitida is known from both the east and west coast of North America and I. aestuariusoriginates from the east coast of North America. Until now neitherhas been reported from other parts of the world. In the Netherlands both species are restricted to the mesohaline part of the Western Scheldt. Melita nitida occurs predominantly underPacific oysters at the underside of boulders, mainly sublittorally. Incisocalliope aestuarius is associated to hydrozoans. Both microhabitats are hardly utilized by other amphipod species. Therefore, the theory that the existence of many empty niches in north-western European brackish waters make this environment particularly susceptible to invasions of alien species is corroborated. The application of hard substrates in a regionoriginally predominated by soft bottoms moreover facilitates theintroduction of exotic species. The species community on hardsubstrates in the mesohaline part of the Western Scheldt containsa high proportion of introduced species: approximately one thirdof the macrofauna species is of allochthonous origin.
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North Sea (and Channel)
Ecology
Invertebrates
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2013-01-12 18:30:12Z
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Bath for Apocorophium lacustre (Vanhöffen, 1911) 
Bath for Corophium volutator (Pallas, 1766) 
Bath for Melita nitida S.I. Smith in Verrill, 1873 
Bath for Melita palmata (Montagu, 1804) 
Bath for Orchestia gammarellus (Pallas, 1766) 
Borssele for Caprella linearis (Linnaeus, 1767) 
Borssele for Melita palmata (Montagu, 1804) 
Bredene for Jassa marmorata Holmes, 1905 
Dutch part of the North Sea for Melita nitida S.I. Smith in Verrill, 1873  (origin: alien)
Ellewoutsdijk for Melita palmata (Montagu, 1804) 
Ellewoutsdijk for Monocorophium insidiosum (Crawford, 1937) 
Geul van Baarland for Corophium volutator (Pallas, 1766) 
Geul van Baarland for Jassa marmorata Holmes, 1905 
Geul van Baarland for Melita nitida S.I. Smith in Verrill, 1873 
Geul van Baarland for Melita palmata (Montagu, 1804) 
Hoedekenskerke (polder) for Caprella linearis (Linnaeus, 1767) 
Hoedekenskerke (polder) for Jassa marmorata Holmes, 1905 
Hoedekenskerke (polder) for Melita palmata (Montagu, 1804) 
Hoedekenskerke (polder) for Monocorophium insidiosum (Crawford, 1937) 
Kruiningen for Melita palmata (Montagu, 1804) 
North West Atlantic for Melita nitida S.I. Smith in Verrill, 1873 
Rittem for Dexamine thea Boeck, 1861 
Rittem for Gammarellus angulosus (Rathke, 1843) 
Rittem for Melita palmata (Montagu, 1804) 
Rittem for Monocorophium insidiosum (Crawford, 1937) 
Rozenburg for Apocorophium lacustre (Vanhöffen, 1911) 
Rozenburg for Gammarus tigrinus Sexton, 1939 
's Gravenpolder for Melita palmata (Montagu, 1804) 
Terneuzen for Melita palmata (Montagu, 1804) 
Walsoorden for Corophium volutator (Pallas, 1766) 
Walsoorden for Melita nitida S.I. Smith in Verrill, 1873 
Walsoorden for Melita palmata (Montagu, 1804) 
Walsoorden for Monocorophium insidiosum (Crawford, 1937) 
Westerschelde for Corophium lacustre Vanhöffen, 1911 
Westerschelde for Melita nitida S.I. Smith in Verrill, 1873 
 Introduced species vector dispersal

in Belgian part of the North Sea: Ships: accidental with ballast water, sea water systems, live wells or other deck ... [details]

 Introduced species vector dispersal

in Belgian part of the North Sea: Ships: accidental with ballast water, sea water systems, live wells or other deck ... [details]

 Introduced species vector dispersal

in Belgian part of the North Sea: Ships: accidental as attached or free-living fouling organisms [details]

 Validity

Bousefield and Hendrycks (1995) revived this genus. But was previously placed as synonym to Parapleustes Buchholz. [details]

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