First record of the Asian copepod Pseudodiaptomus marinus Sato, 1913 (Copepoda: Calanoida: Pseudodiaptomidae) in the southern bight of the North Sea along the coast of France (original) (raw)
Related papers
BioInvasions Records, 2018
The population structure of the non-indigenous calanoid copepod Pseudodiaptomus marinus (Sato, 1913) in the Belgian part of the North Sea (BPNS) is reported for the first time. Detailed P. marinus abundance data including sex and age class of the individuals was gathered on a monthly basis from February 2015 to February 2016 at six sites within the BPNS and Belgian harbors. Relevant environmental variables were analysed to identify potential drivers explaining the population structure of P. marinus within the BPNS. The abundances found were unexpectedly high, with peak densities of up to 560 ± 163 ind.m-3. Even though P. marinus was found in all stations sampled, large spatial and temporal differences were found in the abundance of this species. P. marinus population structure was best explained by water temperature and chlorophyll a concentrations, while salinity and concentrations of dissolved inorganic nitrogen did not influence the distribution. The reported high abundances of the species, especially in the harbor of Zeebrugge, together with the high relative abundances of copepodites indicate that the species is able to reproduce within the BPNS and Belgian harbors, possibly leading to an established, permanent population. It is crucial to study the distribution of this species for a longer period in order to determine the possible establishment of this species in the BPNS and consequences for local planktonic populations.
2015
The Indo-Pacific egg-carrying copepod Pseudodiaptomus marinus Sato, 1913 was recorded for the first time in the Port of Koper, Slovenia (Gulf of Trieste) in February 2015. This is the fourth finding of this species in the Mediterranean Sea, and the third for the Adriatic Sea. A rather high abundance of 73 ind. m-3 was recorded, which is considerably higher than previous findings in the Adriatic. Maritime transport is presumed to be the main cause of its introduction, primarily through ballast water release. Repeat sampling in May confirmed the presence of this copepod, indicating the possibility that the species has established a stable population in the Port of Koper.
Crustaceana, 2015
The complete postembryonic development ofPseudodiaptomus koreanusSoh, Kwon, Lee & Yoon, 2012 (Copepoda, Calanoida) comprises six naupliar and six copepodid stages of which the last is the adult. The descriptions were based on laboratory-reared nauplii and copepodids and also on copepodids collected by plankton net, all sourced from the Seomjin River estuary in southern Korea. Nauplius and copepodid stages ofP. koreanusare very similar to those of the previously described species ofPseudodiaptomus. However, of all the characteristics, it is the shape and number of setae on the terminal segments of the antennules in the late naupliar stages, and the shape and somites of the body and the segmentation and number of setae of the exo- and endopods of the swimming legs from copepodid stages I to V, which are most useful in reconstructing relationships among the eightPseudodiaptomusspp. reared until now.
Russian Journal of Biological Invasions, 2017
⎯The population density and distribution of copepod Pseudodiaptomus inopinus Burckhardt, 1913 were studied in Peter the Great Bay (the mouth of the Razdolnaya River of Amur Bay and Posyet Bay). This species is new in the fauna of this part of the Sea of Japan. The first record of the species with density of 225 ind./m 3 was reported in the mouth of the Razdolnaya River in August 2005. The highest density of this species (up to 354 ind./m 3) was reported in the mouth of the Razdolnaya River in August 2015. This species was likely brought with the ballast water of commercial vessels. The increase in the share of P. inopinus in the total zooplankton abundance from 3 to 7% in the period of 2005-2015 indicated its gradual naturalization in the ecosystem.
The Distribution of Pseudodiaptomus marinus in European and Neighbouring Waters—A Rolling Review
Journal of Marine Science and Engineering
Among non-native copepods, the calanoid Pseudodiaptomus marinus Sato, 1913 is the species probably spreading at the fastest pace in European and neighbouring waters since its first record in the Adriatic Sea in 2007. In this contribution, we provide an update on the distribution of P. marinus in the Mediterranean and Black Seas, along the Atlantic coasts of Europe, in the English Channel and in the southern North Sea. Starting from a previous distribution overview, we include here original and recently (2019–2023) published data to show the novel introduction of this species in different geographical areas, and its secondary spreading in already colonised regions. The picture drawn in this work confirms the strong ability of P. marinus to settle in environments characterised by extremely diverse abiotic conditions, and to take advantage of different vectors of introduction. The data presented allow speculations on realistic future introductions of P. marinus and on the potential ext...
Asian fisheries science, 2014
Pseudodiaptomus serricaudatus (Scott, T. 1894), a planktonic copepod belonging to the family Pseudodiaptomidae, though has worldwide distribution, has been reported only from estuarine and coastal waters. This is the first report of the occurrence of demersal calanoid copepod, P.serricaudatus in the open oceanic waters of the Equatorial Indian Ocean (EIO; 4ºN, 77ºE). This species, collected during September 2010, was found to be one of the most abundant copepods with a density of 113 ind•m¯3. We suggest that this species might have advected from the estuarine and coastal waters off the southern parts of the west coast of India under the influence of prevailing monsoon currents.
Biological Invasions
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Pseudodiaptomus Annandalei (Copepoda: Pseudodiaptomidae) from Coastal Waters of Sri Lanka
2007
The demersal copepod, Pseudodiaptomus annandalei Sewell, 1919 is reported for the first time from the plankton samples collected from coastal waters of southern Sri Lanka during August 2004 to January 2005. These new data together with existing data on distribution of the P. annandalei indicate that it has the largest geographical ranges for Indo-Pacific pseudodiaptomids.