Distribution and abundance of Talitridae in the southern Baltic Sea – twelve years after the first record of Platorchestia platensis (Krøyer, 1845) in 2005

Marta Tykarska , Urszula Janas , Radosław Brzana

Abstract

Four Talitridae species have been recorded in the southern Baltic Sea, including two indigenous species – Talitrus saltator, Deshayesorchestia deshayesii, and two presumably non-indigenous ones – Cryptorchestia garbinii, Platorchestia platensis. It has been twelve years since Platorchestia platensis was recorded for the first time. The distribution and abundance of talitrids have not been studied since the 1990s. Therefore, the main objective of this research was to document the occurrence in Talitridae in the region in order to determine whether non-indigenous P. platensis has spread and whether it co-occurs with indigenous species. Talitrids were recorded at 20 out of 43 sampling sites. T. saltator occurred both along the coast of the open sea and in the Gulf of Gdańsk. The remaining species were found only around the gulf. P. platensis was more abundant than other species and its density was positively correlated with wrack biomass. Our studies have shown that the area of T. saltator occurrence has decreased during the last two decades. Non-indigenous species P. platensis co-occurred with all other Talitridae species, whereas C. garbinii co-occurred only with P. platensis.
Author Marta Tykarska (FOG / IO / DEEMO)
Marta Tykarska,,
- Division of Experimental Ecology of Marine Organisms
, Urszula Janas (FOG / IO / DEEMO)
Urszula Janas,,
- Division of Experimental Ecology of Marine Organisms
, Radosław Brzana (FOG / IO / DEEMO)
Radosław Brzana,,
- Division of Experimental Ecology of Marine Organisms
Journal seriesOceanological and Hydrobiological Studies, ISSN 1730-413X, (A 15 pkt)
Issue year2019
Vol48
No1
Pages66-75
Publication size in sheets0.5
Keywords in Englishnon-indigenous species, sandhopper, beach flea, Talitrus saltator, Deshayesorchestia deshayesii, Cryptorchestia garbinii, Platorchestia platensis, Baltic Sea
ASJC Classification1910 Oceanography
DOIDOI:10.1515/ohs-2019-0007
URL https://doi.org/10.1515/ohs-2019-0007
Languageen angielski
Score (nominal)15
ScoreMinisterial score = 15.0, 24-07-2019, ArticleFromJournal
Publication indicators WoS Citations = 0; Scopus SNIP (Source Normalised Impact per Paper): 2017 = 0.463; WoS Impact Factor: 2017 = 0.461 (2) - 2017=0.604 (5)
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