Factors influencing fish mercury concentrations in Iowa rivers.
Bioaccumulation
Consumption advisories
Contaminant
Ecoregion
Trophic position
Water chemistry
Journal
Ecotoxicology (London, England)
ISSN: 1573-3017
Titre abrégé: Ecotoxicology
Pays: United States
ID NLM: 9885956
Informations de publication
Date de publication:
Mar 2019
Mar 2019
Historique:
accepted:
05
01
2019
pubmed:
23
1
2019
medline:
28
5
2019
entrez:
23
1
2019
Statut:
ppublish
Résumé
Fish mercury concentrations have received considerable attention due to human health implications. Fish mercury concentrations are variable within and among systems due to a suite of biotic and abiotic influences that vary among regions and are difficult to predict. Understanding factors associated with variability in fish mercury concentrations would help guide consumption advisories. Mercury concentrations in channel catfish (Ictalurus punctatus, n = 205), flathead catfish (Pylodictis olivaris, n = 123), northern pike (Esox lucius, n = 60), smallmouth bass (Micropterus dolomieu, n = 176), and walleye (Sander vitreus, n = 176) were assessed in ten Iowa rivers and relationships with land use, water chemistry, and fish characteristics were explored. Mercury concentrations were generally low (mean among all species = 0.17 mg/kg, n = 740) but higher in flathead catfish, northern pike, smallmouth bass, and walleye than channel catfish and were positively related to fish length, age, trophic position, and δ
Identifiants
pubmed: 30666495
doi: 10.1007/s10646-019-02017-1
pii: 10.1007/s10646-019-02017-1
doi:
Substances chimiques
Water Pollutants, Chemical
0
Mercury
FXS1BY2PGL
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
229-241Subventions
Organisme : Iowa Department of Natural Resources
ID : 14CRDFBFSCHO-0002
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