Labile and stable mercury in Harris mud crab (Rhithropanopeus harrisii) from the southern Baltic Sea - Considerations for a role of non-native species in the food web

Bartłomiej Wilman , Magdalena Bełdowska , Monika Normant-Saremba


Mercury is a potent neurotoxin. Its main source of entry into the human body is the consumption of fish and seafood. Within the past few decades a new species of crab has appeared in the food web of the southern Baltic: Rhithropanopeus harrisii. The aim of the present study was to estimate the level of total and labile mercury concentrations in this species collected from the southern Baltic Sea. Analyses were performed using the thermodesorption method. The share of organic mercury fraction, as well as the Hgtot, increased with the size class of the crabs. Due to the increasingly common occurrence of R. harrisii and the low HgTOT concentration in its body, and assuming that it is bound to become a more and more common component of the diet of fish, it can be supposed that the load of toxic mercury entering the food web is likely to decrease.
Author Bartłomiej Wilman (FOG)
Bartłomiej Wilman,,
- Faculty of Oceanography and Geography
, Magdalena Bełdowska (FOG / IO / DMChEP)
Magdalena Bełdowska,,
- Division of Marine Chemistry and Environmental Protection
, Monika Normant-Saremba (FOG / IO / DEEMO)
Monika Normant-Saremba,,
- Division of Experimental Ecology of Marine Organisms
Journal seriesMarine Pollution Bulletin, ISSN 0025-326X, (N/A 100 pkt)
Issue year2019
Publication size in sheets0.5
Keywords in EnglishHg, Bioaccumulation, R. harrisii, Gulf of Gdańsk, Thermodesorption method, Food web
ASJC Classification2310 Pollution; 1104 Aquatic Science; 1910 Oceanography
Languageen angielski
Score (nominal)100
Score sourcejournalList
ScoreMinisterial score = 100.0, 17-11-2019, ArticleFromJournal
Publication indicators Scopus SNIP (Source Normalised Impact per Paper): 2017 = 1.228; WoS Impact Factor: 2018 = 3.782 (2) - 2018=4.349 (5)
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