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Mechanism of red colouration in Tovel-See (”Conclusions” only) Translation from: Archiv fur Hydrobiologie 38 299-302, 1941

机译:Tovel-See中红色的机理(仅“结论”)翻译:水生生物学档案38 299-302,1941年

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摘要

Cases of red colouration in small lake basins, due to the abundant appearance of microorganisms have long been known. Usually it is caused by a fast, sudden, intensive propagation (so called ”bloom”) of Cyanophycae and bacteria. (e.g. Oscillatoracae, thiobacteria etc.). An exception to this is the red colouration of Tovel-See, an alpine lake basin in the Dolomites of the Brenta group (Trentino), lying at a height of 1178 m and hidden in the woodland of a valley. Here the red bloom has a double rhythm: a daily and a yearly rhythm. The colouration of one part of the lake takes place in the warmest months of the year (i.e. July, August, September) and in the middle hours of the day. The immediate origin of the bloom has been known for a long time: it is caused by the Peridinacae Glenodinium sanguineum. This paper describes the phenomenon of red colouration of the lake and discusses its conditions.
机译:由于微生物的大量出现,在小湖盆中出现红色的情况早已为人所知。通常,它是由蓝藻和细菌的快速,突然,密集繁殖(所谓的“花朵”)引起的。 (例如,颤藻,硫细菌等)。例外情况是Tovel-See的红色,它是Brenta集团(特伦蒂诺州)的白云岩中的高山湖泊盆地,海拔1178 m,隐藏在山谷的林地中。在这里,红色的花朵具有双重节奏:每日和每年的节奏。在一年中最温暖的月份(即七月,八月,九月)和一天的中午,对湖的一部分进行着色。花朵的直接起源已经很久了:它是由Peridinacae Glenodinium sanguineum引起的。本文描述了湖泊的红色现象,并讨论了其状况。

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    Baldi E.;

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  • 年度 1977
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