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UV absorption reveals mycosporine-like amino acids (MAAs) in Tatra mountain lake phytoplankton

Ficek D., Dera J., Woźniak B.

Oceanologia

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2013

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No. 55 (3)

599--609

EN

Enhanced absorption of UV radiation, an effect characteristic of mycosporine-like amino acids (MAAs), is reported in samples of phytoplankton from six lakes in the Tatra Mountains National Park (Poland). It was demonstrated that the mass-specific UV absorption coefficients for the phytoplankton in these lakes increased with altitude above sea level. Based on a comparison with the phytoplankton of Alpine lakes, investigated earlier by other authors (cited in this paper), it may be inferred that the phytoplankton of Tatra mountain lakes produce MAAs, which protect plant cells from UV light, the intensity of which increases with altitude.

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Badania faunistyczne Jezior Tatrzańskich do roku 1914

Kownacki A., Ślusarczyk J. M.

Kwartalnik Historii Nauki i Techniki

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2009

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R. 54, nr 1

95-113

EN

A precursor of the information on the Tatra mountains' fauna was Staszic, who having referred to his own observations, made mention to fishes in Morskie Oko. The information was later also confirmed by Zawadzki, Jarocki and Plater. A beginning of the modern searches on the Tatra mountains' waters we owe to professor Nowicki. He had not only recognized fishes, amphibians, the phylum Mollusca and insects inhabiting the waters, but also described new species for science. The disciples and followers of Nowicki continued on his searches. Dziędzielewicz took up research works over fauna of neuropterous insects in the Tatra mountains, including also the species living in the Tatra mountains' waters. Łomnicki and Rybiński did research works on the cockchafers' distribution. In 1890 Bobek, referring to Nowicki's searchings, started to investigate Diptera of the Tatra mountains. Then Kotula and Bąkowski began to describe snails and molluscs. The most eminent disciple of Nowicki was Wierzejski - an author of many articles concerning fauna of the Tatra mountains' lakes. He concentrated on exploring planktonic crustaceans and also made mention to other groups of invertebrates: hydras, Tricladida, nematodes, rotifers, leeches, Oligochaeta, water insects and molluscs. He also mentioned fishes and amphibians. Jointly, referring to his own searches, he recognized 80 species of the Tatra mountains' lakes. In the history of faunistical researches on the Tatra mountains he is said to be a discoverer of the relict species of crustacean Branchinecta paludosa. Besides the followers of Nowicki, Stobiecki described heteropters, and Rozwadowski and Niezabitowski studied on fishes. The disciples of Wierzejski were Lityński and Minkiewicz, who explored crustacean zooplankton. Apart from fundamental for the Tatra mountains' monograph concerning cladocerans (Cladocera), Lityński explained the reason why the distribution of Branchinecta paludosa is confined to Dual Caterpillar Ponds. On the other hand, having presented a description of fauna in 38 lakes of the Northern Tatra mountains and in 44 akes of the Southern Tatra mountains, Minkiewicz pointed out their'399 species.

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Badania jezior tatrzańskich z zakresu limnologii w latach 1804-1918

Ślusarczyk J. M.

Kwartalnik Historii Nauki i Techniki

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2007

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R. 52, nr 2

155-177

EN

The first limnological investigation of lakes in the Polish Tatra Mountains began in le 19th century, with the pioneering work of StanisJaw Staszic. Staszic made measure-lents of the lakes and addressed the question of their origin, arriving at partly correct bservations concerning the shape and the depth of the lakes, and fully correct conditions on the differences in the water levels in the lakes; he also devoted some attention D the fish fauna of the lakes. L. Zejszner investigated the lakes in the years 1838-1839, omparing them with regard to their situation and elevation above see level, and making neasurements of the depth of the Morskie Oko lake, as well as supplying information on fish fauna. L. Bierkowski made a short study of the lakes, devoting most attention to the hydrographic network of the streams and other watercourses linking the Pięć Stawów group of lakes, and flowing out of them. He also made interesting sketches of the lakes ind of the location of the lakes. E. Dziewulski was the author of precise studies in the imnology of the Tatra Mountains, presenting the plans of the shores of the lakes, a very iccurately calculated barometric elevation and measurements of the temperature in the lakes, as well as describing the configuration of the bottom and backshore. L. Birken-majer was interested in the temperature of the waters on the surface and in the depth of the lakes, and he also investigated the freezing and thawing of the lakes, being the first to describe the thickness of ice layers, measuring the precipitation and carrying out many measurements of the altitude. However, in spite of the high standards of the research, most of the data concerned only the Morskie Oko lake, with information on the remaining lakes being incomplete and inadequate as a basis for making generalizations concerning the remaining lakes. L. Sawicki was concerned with bathymetry, as well as with measurements of the temperature of the Tatran lakes. A. Litynski conducted hydrobio-logical research of the lakes and took an interest in the thermal conditions in the lakes, which allowed him to point out a number of factors influencing the long duration of the ice cover on the lakes. In his research on the thermal conditions of the lakes, Litynski conducted comparative studies of a number of the lakes, measuring their maximum, average and minimum temperatures. All of this pioneering research provided a foundation for the broad scope of research carried in the interwar period (1918-1939).