Time References

A chronicle of the sampling years.

1981  
1982  
1984  
1985  
1986  
1987  
1988  
1989  
1990  
1991  
1992  
1993  
1994  
1995  
1996  
1997  
1998  
1999  
2000  
2001  
2002 Soil is a new specimen in the routine programme, the soil sampling takes place all 4 years. 
2003 The river Danube (Donau) as a new sampling area in the routine programme.
2004  
2005 After successful preliminary investigations, the specimen suspended particulate matter is included in the routine operation at the same 13 limnetic sampling sites, where already bream and zebra mussels are collected.
2006  
2007  
2008  
2009 In June 2009 a fire on the bird island Mellum about destroyed 1,000 nests with eggs and young birds.