Search for dissertations about: "Einar Hörnström"

Found 1 swedish dissertation containing the words Einar Hörnström.

2. 1. Phytoplankton in Swedish oligotrophic lakes, affected by acidification, metals and liming

   Author : Einar Hörnström; Eva Willén; Stockholms universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Ecological Botany; ekologisk botanik;

   Abstract : Anthropogenic airborne acidification has seriously affected thousands of lakes in Sweden, an alarming fact which was first noticed in the early 1970s, when pH had decreased to values below 5, especially in areas poor in limestone such as the Swedish west coast. This development was critical to phytoplankton, the diversity of which being markedly reduced, and where the groups Cyanophyceae, Bacillariophyceae and Conjugatophyceae were totally eliminated. READ MORE