Certain plants and animals reacts to the growing load in a more sensitive manner than humans, they allow to register effects and assess the level of acceptability of local conditions to human population in advance /text based on the chapter Regular monitoring of living organisms at selected localities (bioindication monitoring) published in yearbook Prague Environment 2006/.

The Prague Pollen Monitoring Station of the Czech Pollen Information Service was put into operation in March 1993. The graphs presented demonstrate concentrations of the most significant airborne pollen allergens in Prague air during the last six years.

In 2006 the monitoring of up-to-date percentage of ticks infected with the aetiological agents of Lyme borreliosis and meningoencephalitis in the selected areas on the territory of Prague continued. The monitoring is purposefully aimed at the monitoring of activity of natural infection focuses under the Capital City conditions. The text is based on the chapter Monitoring of Lyme borreliosis and meningoencephalitis agents in ticks published in yearbook Prague Environment 2006.