Lake Cadagno (Italian: Lago di Cadagno) is a meromictic lake in the Piora valley (canton of Ticino), Switzerland. As one of a few meromictic lakes in Europe, it is the object of numerous scientific studies. The Piora valley - located in the Saint-Gotthard Massif (central Swiss Alps) in the Southern part of Switzerland near Airolo at an altitude of 1921 m above sea level - is a landlocked alpine valley whose scientific value has been recognized for more than two centuries. In the past, the lake was used as a reservoir.
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| - Lago di Cadagno (de)
- Lago di Cadagno (it)
- Lake Cadagno (en)
- Lago Cadagno (pt)
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| - Der Lago di Cadagno oder Cadagnosee ist ein alpiner Natursee im Val Piora in der Gemeinde Quinto etwa 8 km westlich von Airolo im Kanton Tessin der Schweiz. Der See liegt in einer durch glaziale Erosion geschaffenen Mulde des Piora-Hochtals, sein Wasserspiegel etwa 1921 Meter über dem Meeresspiegel. Das gut 400 m breite und doppelt so lange Gewässer hat bei einer Fläche von rund 26 ha eine maximale Tiefe von 21 Metern. Es gehört zu den wenigen meromiktischen Seen, die geogen in Europa entstanden sind, und weist eine dauerhafte Schichtung seines undurchmischten Wasserkörpers auf. Infolge der besonderen Bedingungen dieser Meromixis hat sich im Laufe der Zeit ein limnologisch einzigartiges Ökosystem im Lago di Cadagno entwickelt. (de)
- Il lago di Cadagno è un lago meromittico naturale sito in , nel comune di Quinto, canton Ticino, a un'altitudine di 1921 metri sopra il livello del mare. (it)
- O Lago Cadagno é um lago localizado no Maciço de São Gotardo (central Alpes centais suíços), na região de Piora, no município de Quinto, Cantão Tessino. Localiza-se a uma altitude de 2000 metros acima do nível do mar. Este lago um dos poucos lagos na Europa onde as águas do fundo não se misturam com as da superfície, é o objeto de numerosos estudos científicos. No passado, o lago foi usado como um reservatório . (pt)
- Lake Cadagno (Italian: Lago di Cadagno) is a meromictic lake in the Piora valley (canton of Ticino), Switzerland. As one of a few meromictic lakes in Europe, it is the object of numerous scientific studies. The Piora valley - located in the Saint-Gotthard Massif (central Swiss Alps) in the Southern part of Switzerland near Airolo at an altitude of 1921 m above sea level - is a landlocked alpine valley whose scientific value has been recognized for more than two centuries. In the past, the lake was used as a reservoir. (en)
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| - Canton of Ticino#Switzerland#Alps (en)
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| - Der Lago di Cadagno oder Cadagnosee ist ein alpiner Natursee im Val Piora in der Gemeinde Quinto etwa 8 km westlich von Airolo im Kanton Tessin der Schweiz. Der See liegt in einer durch glaziale Erosion geschaffenen Mulde des Piora-Hochtals, sein Wasserspiegel etwa 1921 Meter über dem Meeresspiegel. Das gut 400 m breite und doppelt so lange Gewässer hat bei einer Fläche von rund 26 ha eine maximale Tiefe von 21 Metern. Es gehört zu den wenigen meromiktischen Seen, die geogen in Europa entstanden sind, und weist eine dauerhafte Schichtung seines undurchmischten Wasserkörpers auf. Infolge der besonderen Bedingungen dieser Meromixis hat sich im Laufe der Zeit ein limnologisch einzigartiges Ökosystem im Lago di Cadagno entwickelt. (de)
- Lake Cadagno (Italian: Lago di Cadagno) is a meromictic lake in the Piora valley (canton of Ticino), Switzerland. As one of a few meromictic lakes in Europe, it is the object of numerous scientific studies. The Piora valley - located in the Saint-Gotthard Massif (central Swiss Alps) in the Southern part of Switzerland near Airolo at an altitude of 1921 m above sea level - is a landlocked alpine valley whose scientific value has been recognized for more than two centuries. In the past, the lake was used as a reservoir. Lake Cadagno is a rare example of crenogenic meromixis. Its waters show a permanent stratification due to a natural geological phenomenon. The lower abounds with dissolved mineral salts (sulphate, magnesium, calcium, carbonate) originating from sublacustrine springs, whereas the separate upper layer is permanently oxygenated. Anaerobic phototrophic bacteria – among them Chromatium okenii—thrive between the two layers where they find the ideal conditions for their development. Such an ecosystem provides a good opportunity to study the metabolisms connected with eutrophication on a stable model, as it is well known that one of the advanced stages of eutrophication is biogenic meromixis. (en)
- Il lago di Cadagno è un lago meromittico naturale sito in , nel comune di Quinto, canton Ticino, a un'altitudine di 1921 metri sopra il livello del mare. (it)
- O Lago Cadagno é um lago localizado no Maciço de São Gotardo (central Alpes centais suíços), na região de Piora, no município de Quinto, Cantão Tessino. Localiza-se a uma altitude de 2000 metros acima do nível do mar. Este lago um dos poucos lagos na Europa onde as águas do fundo não se misturam com as da superfície, é o objeto de numerosos estudos científicos. No passado, o lago foi usado como um reservatório . (pt)
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