Sampling comparison among Hirst spore traps of the same model
Sampling comparison among Hirst spore traps of the same model
Sampling comparison among Hirst spore traps of the same model
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Conclusions• There are no statistically significant differences <strong>among</strong><strong>spore</strong> <strong>traps</strong> at ground level using daily data,never<strong>the</strong>less, with hourly data differences have beenfound.• At 15 m height statistically significant differences inpollen capture have been observed.• Hourly peaks concentration rarely have been recordedat <strong>the</strong> <strong>same</strong> time in all <strong>spore</strong> <strong>traps</strong>, differences up to 7hours have been found.• Pollen concentration at hourly peaks showeddifferences <strong>of</strong> double or triple <strong>among</strong> <strong>spore</strong> <strong>traps</strong>.• Spatial distribution <strong>of</strong> pollen and <strong>spore</strong>s is far fromhomogeneous even within two meters away.<strong>Sampling</strong> <strong>comparison</strong> <strong>Hirst</strong> <strong>spore</strong> <strong>traps</strong> 22
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