Time References

A chronicle of the sampling years.

1981	Search data
1982	Search data
1984	Search data
1985	Search data
1986	Search data
1987	Search data
1988	Search data
1989	Search data
1990	Search data
1991	Search data
1992	Search data
1993	Search data
1994	Search data
1995	Search data
1996	Search data
1997	Search data
1998	Search data
1999	Search data
2000	Search data
2001	Search data
2002	Soil is a new specimen in the routine programme, the soil sampling takes place all 4 years. Search data
2003	The river Danube (Donau) as a new sampling area in the routine programme. Search data
2004	Search data
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. Search data
2006	Search data
2007	Search data
2008	Search data
2009	In June 2009 a fire on the bird island Mellum about destroyed 1,000 nests with eggs and young birds. Search data