Statistically significant trends (level of significance 0.1) are calculated by applying the Mann-Kendall test. The trend slopes are indicated with coloured dots when statistically significant. Red dots indicate increasing concentrations. The applied method is described in de Leeuw, 2012
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The data presented were derived from a consistent set of stations in all years. In 2006, France introduced a nation-wide system to correct PM10 measurements. French PM10 data prior to 2007 have been corrected using station-type dependent factors
Choose your pet carefully and think before buying an exotic animal
Reptiles, birds and fish are often taken from their natural habitats. The black market for exotic pets has devastated entire populations of species, and it is still the fastest growing sector in the pet market.
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