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Brown and brook trout populations in the Tatra Mountain lakes (Slovakia, Poland) and contamination by long-range transported pollutants
Dočkalová, Kateřina (Univerzita Karlova. Ústav pro životní prostředí)
Bartrons Vilamala, Mireia (Centre de Recerca Ecològica i Aplicacions Forestals)
Holubcová, Jana (Univerzita Karlova. Ústav pro životní prostředí)
Bacardit, Montserrat (Centre d'Estudis Avançats de Blanes)
Camarero, Lluís (Centre d'Estudis Avançats de Blanes)
Gallego, Eva (Institut de Diagnosi Ambiental i Estudis de l'Aigua)
Grimalt Obrador, Joan (Institut de Diagnosi Ambiental i Estudis de l'Aigua)
Hardekopf, David (Univerzita Karlova. Ústav pro životní prostředí)
Hořická, Zuzana (Univerzita Karlova. Ústav pro životní prostředí)
Rosseland, Bjørn Olav (Universitetet for miljø- og biovitenskap)
Tátosová, Jolana (Univerzita Karlova. Ústav pro životní prostředí)
Stuchlík1, Evžen (Univerzita Karlova. Ústav pro životní prostředí)

Data: 2015
Resum: Fish living in the extreme conditions of the Tatra Mountain lakes were evaluated from a biological point of view as well as an important biomarker of long-range transported pollutants. In Veľke Hincovo pleso and in Morskie Oko, specimens of brown trout (Salmo trutta) of extraordinarily advanced age were found (ages of 18+ and 17+ years, respectively). The capture of a 17+ year-old brown trout in Morskie Oko (2400 g, 540 mm) indicated the presence of the so-called ferox life strategy. The growth of brook trout (Salvelinus fontinalis) was faster than the growth of brown trout in the younger year classes, and while the growth of brook trout stopped after the age of 5+, the growth of brown trout continued. Concentrations of long-range transported pollutants (HCHs, HCB, DDTs, PCBs, PBDEs, and trace metals) in the Tatra Mountain fish were mostly associated with fish age, body weight and length, type of fish tissue, and lake altitude. Persistent organic pollutants (POPs) in fish muscle were dominated by PCBs 138, 153, 180, and p,p’-DDE. Conversely, PBDEs concentrations ranged at substantially lower levels compared to other POPs. Altitude correlated significantly with concentrations of a-HCH, HCB, p,p’-DDT, p,p’-DDE, and with PCBs 28 and 52. The highest contents of trace metals were found in kidney and liver samples, with higher concentrations in Veľke Hincovo pleso than in Morskie Oko. The overall highest trace metal concentration levels were found for Fe, Cu, and Zn. In comparison with other European mountain lakes, the Tatra Mountain lakes are among the more contaminated.
Nota: Número d'acord de subvenció EC/FP5/EVK1-CT-1999-00032
Nota: Número d'acord de subvenció EC/FP6/505540
Drets: Tots els drets reservats
Llengua: Anglès
Document: article ; recerca ; acceptedVersion
Matèria: Fish growth ; Salmo trutta ; Salvelinus fontinalis ; Ferox ; POPs ; Trace metals ; Mountain lakes ; Tatra Mountains ; Long-range transport
Publicat a: Biologia, Vol. 70, issue 4 (April 2015) , p. 516-519, ISSN 0006-3088

DOI: 10.1515/biolog-2015-0052

24 p, 586.0 KB

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Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
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 Registre creat el 2015-10-16, darrera modificació el 2017-10-14

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