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  • 1
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    Extent and biomass of the aquatic chariphytes and mosses in Lake Sevan [Translation from: Rasprostranenie i biomassa kharovykh vodoroslei i mkha v os. Sevan, 1951] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5028 | 1256 | 2011-09-29 15:31:58 | 5028 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: This study focusses on the plants in the open parts of the lake - mostly aquatic charophytes and mosses, in what are called in Lake Sevan (Armenia), the ”zones of chara and moss”. Distribution and other ecological conditions are reviewed. Quantity of chara in the littoral zone of lake Sevan is provided
    Description: Translated from Russian into English
    Keywords: Biology ; Ecology ; Limnology ; Algae ; Aquatic plants ; Freshwater lakes ; Ecological distribution ; Armenia ; Sevan Lake
    Repository Name: AquaDocs
    Type: monograph
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  • 2
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    On the character of the phytoplankton of the Yakimvarskii Gulf (Lake Ladoga) [Translation from: Botanicheskii Zhurnal, T. 44, No. 9, 1311-1314, 1959] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5031 | 1256 | 2011-09-29 15:31:54 | 5031 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: The Laboratory of Lake Studies of the Academy of Sciences of the USSR in 1956 undertook this complicated study of Lake Ladoga. The plan of the laboratory made allowance for the detailed investigation of the phytoplankton of the lake during a series of years. In the present article are given the preliminary results of observations on the phytoplankton of the Yakimvarskii Bay from 1956 to 1957. Details are also given on the concentration of dissolved gases and biogenic substances of the bay.
    Description: Translated from Russian into English
    Keywords: Biology ; Ecology ; Limnology ; Freshwater lakes ; Phytoplankton ; Algae ; Dissolved gases ; Seasonal variations ; Biogenic material ; Lake Ladoga ; Russia
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    Some observations on the behaviour of plankton in waters discharged by the lakes [Translation from: Ost.bot.Zeit 103(1), 98-109, 1955] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5032 | 1256 | 2011-09-29 15:31:56 | 5032 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: This information is based on the limnological observations of the very interesting and remarkable discharge of the Lunzer Obersee, (1117m). On journeying towards the Mittersee, the Lunzer Obersee discharge takes on all the characteristics of spring-water; it was found to be of interest to take note of the change of the composition of the water on those stretches of the course where it flows shows the ground. For this purpose it was necessary to take temperature-recordings, chemical examination of the water and a quantitative determination of the plankton. Samples were taken in 1954 of zooplankton at different times of the year at the discharge of the lake and analysed. The significant loss of organisms in the way of discharge is discussed.
    Description: Translated from German into English
    Keywords: Biology ; Ecology ; Limnology ; Freshwater lakes ; Zooplankton ; Limnological surveys ; Quantitative distribution ; Austria
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Some data on the content of organic carbon in rivers in the winter months. [Translation from: Gidrochim. Mat. 23, 36-38, 1955] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5054 | 1256 | 2011-09-29 15:29:08 | 5054 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: Observations are reported on the content of organic matter in the Moscow region in 1941. Some data is given on alkalinity, oxygen content and colourisation of the rivers.
    Description: Translated from Russian into English
    Keywords: Biology ; Chemistry ; Limnology ; Rivers ; Organic matter ; Alkalinity ; Dissolved oxygen ; Colour
    Repository Name: AquaDocs
    Type: monograph
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  • 5
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    Photosynthesis of phytoplankton of the Klyaz'minsk reservoir. [Translation from: Trudy VI Soveshchaniya po Problemem Biologii Vnutrennikh Vod. Moscow, Izd. Akad. Nauk SSSR. pp. 273-287, 1955] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5056 | 1256 | 2011-09-29 15:29:12 | 5056 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: The processes of synthesis and destruction of organic matter play an important role in the ”self-cleaning” of reservoirs. The basic problem of this investigation consists of the role of phytoplankton in enriched waters of the Klyaz'minsk water reservoir through the solution of oxygen and its part in the ”self-cleaning” of the water reservoir. Observations on the interesting process of photosynthesis and the breakdown of organic matter was conducted by us on the eastern stretch of water in the Klyaz'minsk Reservoir during the growing periods of 1945 to 1948, by the widely applied bottle method (Vinberg 1934). This study reports mainly on the he vertical distribution of photosynthesis and respiration in plankton of the reservoir.
    Description: Translated from Russian into English
    Keywords: Biology ; Ecology ; Limnology ; Freshwater lakes ; Phytoplankton ; Vertical distribution ; Biological sampling ; Photosynthesis ; Russia
    Repository Name: AquaDocs
    Type: monograph
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  • 6
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    The efficiency of plankton in the utilization of the sun radiation [Translation from: Briroda, 12, 29-35, 1948] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5049 | 1256 | 2011-09-29 15:28:28 | 5049 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: The efficiency of utilisation of the sun's radiation by natural communities has not been properly demonstrated with what so far has been obtained of reliable values, and it represents a great interest in many respects. A systematic study of the biotic balance of lakes was done in the course of a succession of summers starting in 1932, extensive material was obtained, which permitted to compute a value fear the utilisation of the sun's radiation by plankton in lakes, and to compare this with corresponding values for marine plankton and terrestrial vegetation.
    Description: Translated from Russian into English
    Keywords: Biology ; Ecology ; Limnology ; Plankton ; Planktonology ; Plankton surveys ; Primary production ; Light penetration ; Photosynthesis ; Freshwater lakes
    Repository Name: AquaDocs
    Type: monograph
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  • 7
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    Experimental culture of algal balls (Cladophora sauteri). Retention of original shape [Translation from: Bull.Jap.Soc.Phycol. Vol. 10, (1), p. 23-27, 1962] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5050 | 1256 | 2011-09-29 15:28:44 | 5050 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: It was on July 1960 when 10 algal balls were acquired for exhibition at Suma Aquarium, Kobe. Permission to remove the specimens from the Lake Akan Reserve was given by the National Nature Reserve Committee. Algal balls, as a rule, lose their natural beauty when they are kept in an ordinary tank for a certain length of time. In an effort to retain the natural beauty it was decided to exhibit them in culture. This paper summarises the findings of this experiments with Cladophora sauteri. The author concludes that serious consideration has to be given as to the intensity of light, the sunlight, the water temperature and the nutrition for algal balls in culture in order to retain the natural beauty and shape.
    Description: Translated from Japanese into English
    Keywords: Biology ; Limnology ; Freshwater lakes ; Algae ; Algal culture ; Aquaria ; Japan ; Akan Lake
    Repository Name: AquaDocs
    Type: monograph
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  • 8
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    A study of the nutrition of the Rotifer Asplanchna, with the help of Carbon 14 [Translation from: Byulleten ' Instituta Biologii Vodokhranilishch, No. 12, pp.17-20, 1962] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/5047 | 1256 | 2011-09-29 15:28:19 | 5047 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: Laboratory research was done in order to study the feeding of larval Cricotopus silvestris F. in relation to characters of structure of oral apparatus. Results of the experiments are summarised and the oral apparatus morhologically described.
    Description: Translated from Russian into English
    Keywords: Biology ; Limnology ; Freshwater lakes ; Zooplankton ; Nutrition ; Carbon 14 ; Bacteria ; Algae ; Russia ; Asplanchna priodonta ; Asplanchna herricki
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    The vertical distribution of zooplankton in the Goggausee (the influence of algae and Chaoborus flavicans) [Translation from: Carinthia II 166/186 373-385, 1976] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4882 | 1256 | 2011-09-29 15:46:20 | 4882 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-07
    Description: The Goggausee, a small, shallow, meromictic lake(700m long, 150m wide, max. depth=12m, mean depth=6m), was the site of a week long study (19-26 May 1974) of the limnology department of the University of Vienna. The study comprised pollen analysis and palaeolimnological studies on the one hand, as well as a stock- taking of physiochemical factors, primary production, bacteria, zooplankton, zoo benthos and fish on the other. This paper studies the zooplankton of the lake. The Goggausee is a meromictic lake, with its anoxic deep water, that restricts the vertical distribution of most zooplankton. The aim of the study was to pursue the vertical distribution of the rotifers and Crustacea. Density of individuals, biomass, percentages of zooplankton together and crustaceans and rotifers as groups. Special consideration is given to the the Dipteran Chaoborus flavicans.
    Description: Translated from German into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Environmental surveys ; Freshwater crustaceans ; Biomass ; Freshwater lakes ; Population density ; Austria ; Chaoborus flavicans
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Radioautographic method of determination of number of bacteria in water-bodies [Translation from: Informatsionnyi Byulleten Biologiya Vnutrennikh Vod No.26, 65-67, 1975] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4884 | 1256 | 2011-09-29 15:46:23 | 4884 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: The radioautographic method of determination of the number of autotrophic microorganisms was initially suggested for counting methane-oxidizing bacteria. With the help of this method colonies of hydrogen-oxidizing bacteria are differentiated even more clearly from heterotrophic. Under laboratory conditions it was shown that colonies grown on membrane filters from a pure culture of thionic bacteria on a nutrient medium with radio- active carbonate, give better prints on film. This method was tested by the authors for determining the number of these bacteria in the meromictic Lake Vae de San Juan during the expedition to Cuba in the summer of 1973. The study showed that that the thionic bacteria are found throughout the pelagial. It proved that the thionic bacteria can be well considered in water-bodies by the radioautographic method.
    Description: Translated from Russian into English
    Keywords: Ecology ; Limnology ; Freshwater lakes ; Photography ; Bacteria ; Methodology ; Analytical techniques ; Cuba
    Repository Name: AquaDocs
    Type: monograph
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