Sampling site in an intra-urban district
The sampling site is located in the centre of Halle. The river Saale flows through the area and the neighbourhood is characterised by residential areas.
Halle/Zentrum is a sampling site for pigeon eggs. Since monitoring started, eggs have been sampled at different sampling places because the pigeons form breeding flocks. Currently, pigeon eggs are taken from two dovecotes.
A pigeon species home in nearly every city.
Eighty percent of all elements on earth are metals
Only eighteen elements in the periodic table
Group of organic compounds with at least one covalently bonded chlorine atom
Toxic and persistent organochloropesticide
Several isomeric compounds among the group of chlorinated hydrocarbons
Atoms of one element with different weights
Additional information for the interpretation of contamination data
1996 - 2013