Periphyton changes over 20 years of chemical recovery of Lake Orta, Italy: differential response to perturbation of littoral and pelagic communities

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Giuseppe MORABITO ; Gabriele TARTARI ; Rosario MOSELLO ; Michèle DE SÈVE ; Antonella CATTANEO (2011)
  • Publisher: PAGEPress Publications
  • Journal: Journal of Limnology (issn: 1129-5767, eissn: 1723-8633)
  • Related identifiers: doi: 10.4081/jlimnol.2011.177, doi: 10.3274/JL11-70-2-03
  • Subject: 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) ... View more
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