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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
(42)
Bath for Checked: verified by a taxonomic editorCorophium volutator (Pallas, 1766)
Bath for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)
Bath for Checked: verified by a taxonomic editorMelita nitida Smith, 1873
Bath for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Belgian part of the North Sea for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)  (origin: alien)
Borssele for Checked: verified by a taxonomic editorCaprella linearis (Linnaeus, 1767)
Borssele for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Bredene for Checked: verified by a taxonomic editorJassa marmorata Holmes, 1905
Breskens for Checked: verified by a taxonomic editorJassa herdmani (Walker, 1893)
Dutch part of the North Sea for Checked: verified by a taxonomic editorMelita nitida Smith, 1873  (origin: alien)
Ellewoutsdijk for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Ellewoutsdijk for Checked: verified by a taxonomic editorMonocorophium insidiosum (Crawford, 1937)
Geul van Baarland for Checked: verified by a taxonomic editorCorophium volutator (Pallas, 1766)
Geul van Baarland for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)
Geul van Baarland for Checked: verified by a taxonomic editorJassa marmorata Holmes, 1905
Geul van Baarland for Checked: verified by a taxonomic editorMelita nitida Smith, 1873
Geul van Baarland for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorCaprella linearis (Linnaeus, 1767)
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorGammarus crinicornis Stock, 1966
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorJassa marmorata Holmes, 1905
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Hoedekenskerke (polder) for Checked: verified by a taxonomic editorMonocorophium insidiosum (Crawford, 1937)
Kruiningen for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
North West Atlantic for Checked: verified by a taxonomic editorMelita nitida Smith, 1873
Rittem for Checked: verified by a taxonomic editorGammarellus angulosus (Rathke, 1843)
Rittem for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Rittem for Checked: verified by a taxonomic editorMonocorophium insidiosum (Crawford, 1937)
Rozenburg for Checked: verified by a taxonomic editorGammarus salinus Spooner, 1947
Rozenburg for Checked: verified by a taxonomic editorGammarus tigrinus Sexton, 1939
's Gravenpolder for Checked: verified by a taxonomic editorGammarus salinus Spooner, 1947
's Gravenpolder for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Terneuzen for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Waarde for Checked: verified by a taxonomic editorGammarus zaddachi Sexton, 1912
Walsoorden for Checked: verified by a taxonomic editorCorophium volutator (Pallas, 1766)
Walsoorden for Checked: verified by a taxonomic editorGammarus salinus Spooner, 1947
Walsoorden for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)
Walsoorden for Checked: verified by a taxonomic editorMelita nitida Smith, 1873
Walsoorden for Checked: verified by a taxonomic editorMelita palmata (Montagu, 1804)
Walsoorden for Checked: verified by a taxonomic editorMonocorophium insidiosum (Crawford, 1937)
Westerschelde for Checked: verified by a taxonomic editorIncisocalliope aestuarius (Watling & Maurer, 1973)
Westerschelde for Checked: verified by a taxonomic editorMelita nitida Smith, 1873
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