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NameFaasse, 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). Aquat. Ecol. 37(1): 13-22
SourceID1141
AuthorsFaasse, M.; Van Moorsel, G.; Maurer
Year2003
TitleThe north-American amphipods, Melita nitida Smith, 1873 and Incisocalliope aestuarius (Watling
JournalCrustacea:Amphipoda: Gammaridae),. Aquatic Ecology
Suffix37: 13-22
Type Publication
NoteThe American amphipod species Melita nitida and Incisocalliope aestuarius have been found in the Western Scheldt estuary (the Netherlands). This is the first record of these species in the north-east Atlantic. Shipping is the most likely vector of introduction. The distribution of both species is investigated and compared with the distribution and the microhabitat of co-occurring amphipod species. Melita nitida is known from both the east and west coast of North America and I. aestuarius originates from the east coast of North America. Until now neither has 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 under Pacific 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 region originally predominated by soft bottoms moreover facilitates the introduction of exotic species. The species community on hard substrates in the mesohaline part of the Western Scheldt contains a high proportion of introduced species: approximately one third of the macrofauna species is of allochthonous origin.
IMIS-ID34073
Full textAvailable for editors  PDF available
Geographical
term
North Sea (and Channel)
Bibliographical
terms
Ecology
Invertebrates
Taxonomic
term
Amphipoda
Taxa
(2)
Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973) (basis of record)
Checked: verified by a taxonomic editorMelita nitida Smith, 1873 (basis of record)
Distributions
(52)
Bath for Apocorophium lacustre (Vanhöffen, 1911)
Bath for Corophium volutator (Pallas, 1766)
Bath for Echinogammarus marinus (Leach, 1815)
Bath for Incisocalliope aestuarius (Watling & Maurer, 1973)
Bath for Melita nitida Smith, 1873
Bath for Melita palmata (Montagu, 1804)
Bath for Orchestia gammarellus (Pallas, 1766)
Belgian part of the North Sea for Incisocalliope aestuarius (Watling & Maurer, 1973)  (introduced: alien)
Borssele for Caprella linearis (Linnaeus, 1767)
Borssele for Hyale nilssoni Rathke, 1843
Borssele for Melita palmata (Montagu, 1804)
Bredene for Jassa marmorata Holmes, 1905
Breskens for Jassa herdmani (Walker, 1893)
Dutch part of the North Sea for Melita nitida Smith, 1873  (introduced: 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 Incisocalliope aestuarius (Watling & Maurer, 1973)
Geul van Baarland for Jassa marmorata Holmes, 1905
Geul van Baarland for Melita nitida Smith, 1873
Geul van Baarland for Melita palmata (Montagu, 1804)
Hoedekenskerke (polder) for Caprella linearis (Linnaeus, 1767)
Hoedekenskerke (polder) for Gammarus crinicornis Stock, 1966
Hoedekenskerke (polder) for Incisocalliope aestuarius (Watling & Maurer, 1973)
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 Smith, 1873
Rittem for Apherusa jurinei Milne Edwards, 1830
Rittem for Dexamine thea Boeck, 1861
Rittem for Gammarellus angulosus (Rathke, 1843)
Rittem for Hyale nilssoni Rathke, 1843
Rittem for Melita palmata (Montagu, 1804)
Rittem for Monocorophium insidiosum (Crawford, 1937)
Rozenburg for Apocorophium lacustre (Vanhöffen, 1911)
Rozenburg for Gammarus salinus Spooner, 1947
Rozenburg for Gammarus tigrinus Sexton, 1939
's Gravenpolder for Gammarus salinus Spooner, 1947
's Gravenpolder for Melita palmata (Montagu, 1804)
Terneuzen for Melita palmata (Montagu, 1804)
Waarde for Gammarus zaddachi Sexton, 1912
Walsoorden for Corophium volutator (Pallas, 1766)
Walsoorden for Echinogammarus marinus (Leach, 1815)
Walsoorden for Gammarus salinus Spooner, 1947
Walsoorden for Incisocalliope aestuarius (Watling & Maurer, 1973)
Walsoorden for Melita nitida Smith, 1873
Walsoorden for Melita palmata (Montagu, 1804)
Walsoorden for Monocorophium insidiosum (Crawford, 1937)
Westerschelde for Corophium lacustre Vanhöffen, 1911
Westerschelde for Incisocalliope aestuarius (Watling & Maurer, 1973)
Westerschelde for Melita nitida Smith, 1873
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