Difference between revisions of "EU-kalat"
m (→Answer) |
(→Answer: results separated by location) |
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| Line 26: | Line 26: | ||
#levels(eu$POP) | #levels(eu$POP) | ||
eu <- eu[eu$Fish_species == "Baltic herring" , ] | eu <- eu[eu$Fish_species == "Baltic herring" , ] | ||
| + | |||
tef <- Ovariable("tef", ddata = "Op_en4017", subset = "TEF values") | tef <- Ovariable("tef", ddata = "Op_en4017", subset = "TEF values") | ||
tef <- EvalOutput(tef) | tef <- EvalOutput(tef) | ||
| Line 33: | Line 34: | ||
levels(eu$Congener) <- gsub("CoPCB", "PCB", levels(eu$Congener)) | levels(eu$Congener) <- gsub("CoPCB", "PCB", levels(eu$Congener)) | ||
#levels(eu$Congener) | #levels(eu$Congener) | ||
| + | |||
euteq <- eu * tef | euteq <- eu * tef | ||
#head(euteq@output) | #head(euteq@output) | ||
| − | temp <- aggregate(euteq@output["Result"], by = euteq@output["Congener"], FUN = mean) | + | temp <- aggregate(euteq@output["Result"], by = c(euteq@output["Congener"], euteq@output["Catch_location"]), FUN = mean) |
temp2 <- temp | temp2 <- temp | ||
| Line 43: | Line 45: | ||
oprint(temp2) | oprint(temp2) | ||
| − | ggplot(temp, aes(x = Congener, y = Result, fill = Congener)) + geom_bar(stat = "identity") + | + | ggplot(temp, aes(x = Congener, y = Result, fill = Congener)) + geom_bar(stat = "identity") + facet_wrap(~ Catch_location) + |
labs(x = "Congener", y = "TEQ concentration (pg/g fat)") + theme_gray(base_size = 18) + coord_flip() | labs(x = "Congener", y = "TEQ concentration (pg/g fat)") + theme_gray(base_size = 18) + coord_flip() | ||
</rcode> | </rcode> | ||
Revision as of 08:58, 4 October 2016
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EU-kalat is a study, where concentrations of PCDD/Fs, PCBs, PBDEs and heavy metals have been measured from fish
Question
The scope of EU-kalat study was to measure concentrations of persistent organic pollutants (POPs) including dioxin (PCDD/F), PCB and BDE in fish from Baltic sea and Finnish inland lakes and rivers. [1] [2] [3].
Answer
The original sample results can be acquired from Opasnet base. The study showed that levels of PCDD/Fs and PCBs depends especially on the fish species. Highest levels were on salmon and large sized herring. Levels of PCDD/Fs exceeded maximum level of 4 pg TEQ/g fw multiple times. Levels of PCDD/Fs were correlated positively with age of the fish.
Mean congener concentrations as WHO2005-TEQ in Baltic herring can be printed out with the Run code below.
Rationale
Data
Data was collected between 2009-2010. The study contains years, tissue type, fish species, and fat content for each concentration measurement. Number of observations is 285.
There is a new study EU-kalat 3, which will produce results in 2016.
See also
References
- ↑ A. Hallikainen, H. Kiviranta, P. Isosaari, T. Vartiainen, R. Parmanne, P.J. Vuorinen: Kotimaisen järvi- ja merikalan dioksiinien, furaanien, dioksiinien kaltaisten PCB-yhdisteiden ja polybromattujen difenyylieettereiden pitoisuudet. Elintarvikeviraston julkaisuja 1/2004. [1]
- ↑ E-R.Venäläinen, A. Hallikainen, R. Parmanne, P.J. Vuorinen: Kotimaisen järvi- ja merikalan raskasmetallipitoisuudet. Elintarvikeviraston julkaisuja 3/2004. [2]
- ↑ Anja Hallikainen, Riikka Airaksinen, Panu Rantakokko, Jani Koponen, Jaakko Mannio, Pekka J. Vuorinen, Timo Jääskeläinen, Hannu Kiviranta. Itämeren kalan ja muun kotimaisen kalan ympäristömyrkyt: PCDD/F-, PCB-, PBDE-, PFC- ja OT-yhdisteet. Eviran tutkimuksia 2/2011. ISSN 1797-2981 ISBN 978-952-225-083-4 [3]
