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Das eu- und hypokrenal harzer bache: Langzeituntersuchungen der wassertemperaturen, umgebungsfaktoren und ihre bedeutung fur die lebensgemeinschaft dieser gewasser

Muller A.

Studia Quaternaria

2004

Vol. 21

37-44

The water temperature of 14 springbrooks (Harz mountains, Northern Germany) were recorded by dataloggers over a period of 2 years. Additionally, some environmental parameters of these springs were observed. At some springbrooks, aquatic insects were caught with emergence traps. The water temperature of the eucrenal showed no variations over the time. But in the hypocrenal, we found fluktuations and a seasonal variation of the water temperature. It was possible to classify the springbrooks in groups with different annual temperature courses and biological productivities.