New records of <i>Ericthonius didymus</i> Krapp-Schickel, 2013 (Crustacea: Amphipoda: Ischyroceridae) in European waters with a focus in Arcachon Bay, France and key to <i>Ericthonius</i> species

Gouillieux, Benoît; Ariyama, Hiroyuki; Costa, Ana C.; Daffe, Guillemine; Marchini, Agnese; Micael, Joana; Ulman, Aylin

doi:10.1017/s0025315420000247

Cited by 3 publications

(3 citation statements)

References 31 publications

(44 reference statements)

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“…Another example of a partly native species is that of the amphipod Ericthonius didymus (Krapp-Schickel, 2013), which was described in the Adriatic Sea from the Venice Lagoon (Italy). This recent description was rapidly followed by new records in Europe both in the Mediterranean and the Atlantic between 2013 and 2017 [73]. These observations, some of which date back to the year of description of the species, do not allow an unequivocal designation of the species as non-indigenous in the Bay of Biscay.…”

Section: Issues With Assessing the Spatial Distribution Of Nis In Eur...mentioning

confidence: 99%

“…These observations, some of which date back to the year of description of the species, do not allow an unequivocal designation of the species as non-indigenous in the Bay of Biscay. However, the species is considered NIS in the ANS and the AMA, due to its presence in anthropogenically stressed sites, such as harbors/marinas and shellfish grounds [73].…”

Section: Issues With Assessing the Spatial Distribution Of Nis In Eur...mentioning

confidence: 99%

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Status and Trends in the Rate of Introduction of Marine Non-Indigenous Species in European Seas

Zenetos

Tsiamis²,

Galanidi³

et al. 2022

Diversity

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Invasive alien species are a major worldwide driver of biodiversity change. The current study lists verified records of non-indigenous species (NIS) in European marine waters until 2020, with the purpose of establishing a baseline, assessing trends, and discussing appropriate threshold values for good environmental status (GES) according to the relevant European legislation. All NIS records were verified by national experts and trends are presented in six-year assessment periods from 1970 to 2020 according to the European Union Marine Strategy Framework Directive. Altogether, 874 NIS have been introduced to European marine waters until 2020 with the Mediterranean Sea and North-East Atlantic Ocean hosting most of the introductions. Overall, the number of new introductions has steadily increased since 2000. The annual rate of new introductions reached 21 new NIS in European seas within the last six-year assessment period (2012–2017). This increase is likely due to increased human activities and research efforts that have intensified during the early 21st century within European Seas. As Europe seas are not environmentally, nor geographically homogenous, the setting of threshold values for assessing GES requires regional expertise. Further, once management measures are operational, pathway-specific threshold values would enable assessing the effectiveness of such measures.

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Section: Issues With Assessing the Spatial Distribution Of Nis In Eur...mentioning

confidence: 99%

Section: Issues With Assessing the Spatial Distribution Of Nis In Eur...mentioning

confidence: 99%

Status and Trends in the Rate of Introduction of Marine Non-Indigenous Species in European Seas

Zenetos

Tsiamis²,

Galanidi³

et al. 2022

Diversity

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show abstract

“…In South Africa, it is also known from the South Benguela ecoregions, an area that borders Namibia [12]. The present material has been certainly distinguished from the similar species E. punctatus (Spence Bate, 1857) and E. parabrasiliensis Just, 2009 [26].…”

Section: Discussionmentioning

confidence: 68%

An example for transatlantic hitchhiking by macrozoobenthic organisms with a research vessel

Zettler

2021

Helgol Mar Res

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In 2019 the RV Meteor cruised from Guadalupe in April/May to Cape Verde in June/July and to Namibia in August/September. The distance is about 10,000 km. The ship has a moon pool for installation of instruments. In Cape Verde we had a first glimpse of the already sparsely populated moon pool. We reached Namibian waters in mid-August. In mid-September, 47 days later and 6000 km south, the ship's moon pool was sampled in the port of Walvis Bay. 13 different taxa could be identified belonging to two phyla, four classes, six orders and 10 families. Most of these species have not yet been observed in the port or in the adjacent areas and are new records for the entire Namibian coast. The goose barnacles Conchoderma auritum (Linnaeus, 1767), Conchoderma virgatum Spengler, 1789 and Lepas anatifera Linnaeus, 1758 were particularly noticeable. They were only surpassed by the large number of amphipods. The species Ericthonius brasiliensis (Dana, 1853), Jassa marmorata Holmes, 1905, Stenothoe senegalensis Krapp-Schickel, 2015 and Paracaprella pusilla Mayer, 1890 are particularly noteworthy here. In addition, the pycnogonid species Endeis straughani Clark, 1970 and the titan acorn barnacle Megabalanus coccopoma (Darwin, 1854) should be mentioned, which occurred very frequently as well. The present study shows, on the one hand, an example of the transatlantic spread of bioinvasive species by ships as vectors and, on the other hand, a convenient method for sampling ship hulls.

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An Update of Amphipoda Checklist for the English Channel

Dauvin

2022

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An updated checklist for 2022 of amphipods from the English Channel (La Manche) is given for eight geographical zones. This revision brings the inventory of 1999 up to date with recent data from the Normano-Breton Gulf and other studies focused on non-indigenous fauna, as well as recent data from benthic and suprabenthic studies, mainly in the eastern part of the English Channel (EC). The total number of species in the entire EC is 269. The number of species is much higher in the western basin (WEC) than it is in the eastern basin (EEC) or in the central part of the EC. The amphipod species listed here are distributed between the eight zones as follows: French WEC: 201 species; English WEC: 194; Normano-Breton Gulf: 224; Bay of Seine: 172; Wight: 97; French EEC: 149; English EEC: 64; and Central EC: 61. Of these species, 180 are present in both basins of the EC, while 78 are present only in the western basin and 11 are present only in the eastern basin. The low number of amphipods (<100) recorded in three of the eight zones is probably due to the lack of observations in these parts of the EC. Among the 269 amphipod species recorded with confidence in the EC, 24 are new to the EC since 1999, 12 are non-indigenous species, and 44 are observed only in one of the eight zones, mainly in the three zones of the western basin of the EC.

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New records of Ericthonius didymus Krapp-Schickel, 2013 (Crustacea: Amphipoda: Ischyroceridae) in European waters with a focus in Arcachon Bay, France and key to Ericthonius species

Cited by 3 publications

References 31 publications

Status and Trends in the Rate of Introduction of Marine Non-Indigenous Species in European Seas

Status and Trends in the Rate of Introduction of Marine Non-Indigenous Species in European Seas

An example for transatlantic hitchhiking by macrozoobenthic organisms with a research vessel

An Update of Amphipoda Checklist for the English Channel

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