Periphyton changes over 20 years of chemical recovery of Lake Orta, Italy: differential response to perturbation of littoral and pelagic communities
Michèle DE SÈVE
- Publisher: PAGEPress Publications
Journal of Limnology
(issn: 1129-5767, eissn: 1723-8633)
Liming | Diatoms | Metal contamination | G | GE1-350 | Phytoplankton | metal contamination, liming, acidification, diatoms, phytoplankton | Geography. Anthropology. Recreation | GB3-5030 | Environmental sciences | Acidification | Physical geography
Lake Orta, a large Italian subalpine lake, has a long history of industrial pollution by acid, ammonia, and metals. A whole-lake liming treatment in 1989-1990 led to a gradual increase in pH (from 4.4 to 7) and a concomitant decline in ammonia (from 2.5 to 0.05 mg L-1) ...