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  • 1
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    The influence of blue-green algae on development of the zooplankton. [Translation of: Byull.mosk.Obshch.Ispyt.Prir.(Biol.) 67, 128-131, 1962] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4771 | 1256 | 2011-09-29 15:55:39 | 4771 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-06
    Description: Many have observed the reduction of the quantity of zooplankton in the presence of water blooms. It is known that in seas zooplankton as it were avoids places of accumulation of blue-green algae. By observations on one of the tributaries of the Rybinsk reservoir - the River Shumorovka - the authors tried by simultaneous collections to trace the changes in numbers, not only of zoo- and phytoplankton but also of bacteria. The plankton was collected by quantitative nets with suitable numbers of gauze and bacteria were taken account of by the method of direct calculation on membrane filters. It can be seen that the development of blue-green algae appears as an important factor, determining not only the intensity but also the direction of the process of production of zooplankton.
    Description: Translated from Russian into English
    Keywords: Biology ; Ecology ; Limnology ; Algae ; Freshwater lakes ; Freshwater ecology ; Zooplankton ; Algal blooms ; Cyanobacteria ; Russia
    Repository Name: AquaDocs
    Type: monograph
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  • 2
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    Recent investigations on zooplankton in the Limnological Institute of the University of Freiburg, in Falkau (Germany). [Translation from: Acta cient.Venezolana 18, 94-97, 1967. ] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4811 | 1256 | 2011-09-29 15:52:15 | 4811 | Freshwater Biological Association
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    Publication Date: 2021-07-06
    Description: Histochemical experiments are conducted in order to study the interrenal cells of European brook lamprey (Lampetra planeri).
    Description: Translated from German into English
    Keywords: Biology ; Limnology ; Freshwater lakes ; Zooplankton ; Vertical migrations ; Biological sampling ; Freshwater crustaceans ; Freshwater ecology ; Lake Constance
    Repository Name: AquaDocs
    Type: monograph
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  • 3
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    Holopedium gibberum - an indicator of soft-water lakes? [Translation from: Fauna 21 130-132, 1968.] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4862 | 1256 | 2011-09-29 15:47:51 | 4862 | Freshwater Biological Association
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    Publication Date: 2021-07-06
    Description: In fresh waters the planktonic Crustacea are represented mainly by the two large groups, the Copepoda and the Cladocera. This study focuses on Holopedium gibberum and examines if the plankton is an indicator of soft-water lakes. H. gibberum is found throughout the northern half of the globe but its distribution is scattered and irregular. The study is based on a literature review and samples taken from water bodies in Norway.
    Description: Translated from Norwegian into English
    Keywords: Biology ; Ecology ; Limnology ; Freshwater crustaceans ; Zooplankton ; Calcium carbonates ; Indicator species ; Norway
    Repository Name: AquaDocs
    Type: monograph
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  • 4
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    Relationship of dimensions and weight in freshwater planktonic crustaceans. [Translation from: Doklady Akademii Nauk SSSR 84(1) 153-156, 1952. ] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4857 | 1256 | 2011-09-29 15:48:28 | 4857 | Freshwater Biological Association
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    Publication Date: 2021-07-06
    Description: There is no doubt that determination of the biomass of zooplankton (primarily of crustaceans) will be taken into consideration in practice and limnological works, especially after the recent publication of fairly comprehensive tables of weights of a whole range of species of freshwater copepods and cladocerans. The usefulness of applying formulae of determining the biomass of marine crustaceans for freshwater copepods is discussed.
    Description: Translated from Russian into English
    Keywords: Chemistry ; Ecology ; Limnology ; Freshwater crustaceans ; Zooplankton ; Biomass ; Formulae
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    Type: monograph
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  • 5
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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
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    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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  • 6
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    Ecological significance of seasonal variation in clutch-size of Arctodiaptomus bacillifer in alpine lakes of high altitudes (Val Bognanco) [Translation from: Bollettino di Zoologia 37 491-492, 1970] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4894 | 1256 | 2011-09-29 15:45:42 | 4894 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: This brief paper describes the significance of seasonal variation in clutch-size of the copepod Arctodiaptomus bacillifer in alpine lakes of high altitudes (Val Bognanco). Seasonal dynamics of the zooplankton of these lakes was studied during summer and autumn of 1968 and 1969and results are summarised.
    Description: Translated from Italian into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Freshwater crustaceans ; Freshwater lakes ; Glacial lakes ; Italy
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    Type: monograph
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  • 7
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    On the feeding of the larvae of Chironomidae during the planktonic period of life [Translation from: Nauch.Dokl.vyssh.Shk.Biol.Nauk 1 19-21, 1965] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4898 | 1256 | 2011-09-29 15:44:01 | 4898 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: It is known that the larvae of Chironomidae in the first stages of life after leaving the egg case, swim for a long time in a body of water. Positive reaction in light, the capability of directed swimming and passive floating in suspension allow the larvae to temporarily carry out a planktonic way of life. This study describes the behaviour of Chironomus dorsalis larvae after leaving the egg case. The feeding of chironomid larvae in the first stages of development was also described.
    Description: Translated from Russian into English
    Keywords: Biology ; Limnology ; Insect larvae ; Feeding ; Feeding behaviour ; Zooplankton ; Chironomus dorsalis
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    Type: monograph
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  • 8
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    Observations on the distribution, daytime migrations and daily food intake rates of Chaoborus flavicans (Meigen) in the Goggausee [Translation from: Carinthia II 165(85), 184-190, 1975] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4896 | 1256 | 2011-09-29 15:43:41 | 4896 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: The Goggausee, in spite of its modest depth (Zmax = 12 metres), shows meromictic properties: autumn and spring circulation extend only to a depth of 8 metres. The water layers below about 10 metres are constantly oxygen-free, the critical zone with at least intermittent oxygen loss lies at a depth of between 6 and 10 metres. A limnological excursion in May 1974 offered an opportunity to investigate the daily vertical migration of the species Chaoborus flavicans with reference to its food supply of zooplankton as well as the chance to carry out some preliminary experiments on its rate of food intake. Among the studied features were the planktonic depth distribution of Chaoborus flavicans and the food intake of Chaoborus larvae under experimental conditions.
    Description: Translated from German into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Environmental surveys ; Freshwater lakes ; Population density ; Food consumption ; Population characteristics ; Vertical migrations ; Experimental research ; Insect larvae ; Austria
    Repository Name: AquaDocs
    Type: monograph
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  • 9
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    The problem of the co-existence of Arctodiaptomus bacillifer (Koelb.), Acanthodiaptomus denticornis (Wierz.) and Heterocope saliens Lill [Translation from: Memorie dell'Istituto Italiano di Idrobiologia Dott.Marco de Marchi 8 81-94, 1954] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4907 | 1256 | 2011-09-29 15:44:45 | 4907 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: In freshwater environments of modest size and without notable ecological structure, there is usually present only one diaptomid species. When two or more diaptomid species are present in the same habitat, generally their body dimensions are distinctly different. There are only four examples of co-existence of Arctodiaptomus bacillifer (Koelb.) and Acanthodiaptomus denticornis (Wierz.) situated at higher altitudes alpine lakes. The article discusses the results of sampling in the summer of 1953 and the problem of the co-existence of Arctodiaptomus bacillifer, Acanthodiaptomus denticornis and Heterocope saliens.
    Description: Translated from Italian into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Freshwater lakes ; Interspecific relationships ; Freshwater crustaceans ; Population characteristics ; Arctodiaptomus bacillifer ; Acanthodiaptomus denticornis ; Heterocope saliens
    Repository Name: AquaDocs
    Type: monograph
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  • 10
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    Predation and selection in copepod populations of Alpine waters [Translation from: Bollettino di Zoologia 21 541-545, 1954] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4902 | 1256 | 2011-09-29 15:44:10 | 4902 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: Zooplankton was studied in four alpine lakes in Switzerland, France and Italy. The presence the presence of the invertebrate predator Heterocope in three lakes was stated. It is then discussed why in three of these four lakes, the copepod Arctodiaptomus denticornis is present in the absence of Arctodiaptomus bacillifer, and vice versa respectively in the second and first parts of the lacustrine summer.
    Description: Translated from Italian into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Freshwater crustaceans ; Freshwater lakes ; Predators ; Abundance ; Arctodiaptomus bacillifer ; Acanthodiaptomus denticornis
    Repository Name: AquaDocs
    Type: monograph
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  • 11
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    Selective plankton feeding by the coregonid ”bondella” (Coregonus sp.) of Lake Maggiore [Translation from: Translation from: Memorie dell'Istituto Italiano di Idrobiologia Dott.Marco de Marchi 31 181-203, 1974] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4906 | 1256 | 2011-09-29 15:44:42 | 4906 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: In recent times, some specialists have begun to study the subject of food selection of fish in an organized way, thus highlighting its importance. In the present work, the author intends to evaluate the impact of predation on the eupelagic zooplanktonic biocenosis of Lake Maggiore, producing, in this way, as far as possible, a basis for a better understanding of the population dynamics of the species of zooplankton directly involved. Another aspect which has been studied is that related to the mechanism of selective capture set in action by the predator. To this end the study tries to bear in mind that the subject should be interpreted as a function of numerous factors acting contemporaneously, that is as the interaction of characters peculiar to the predator and to the prey. The species studied, locally called ”bondella”, belongs to the family Salmonidae, subfamily Coregoninae and was introduced into Lake Maggiore in 1950.
    Description: Translated from Italian into English
    Keywords: Biology ; Ecology ; Limnology ; Freshwater fish ; Predator prey interactions ; Zooplankton ; Feeding ; Freshwater crustaceans ; Lake Maggiore
    Repository Name: AquaDocs
    Type: monograph
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  • 12
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    Flood circulation in oligomictic lakes: an undervalued reason for restriction of zooplankton production [Translation from: Memorie dell'Istituto Italiano di Idrobiologia Dott.Marco de Marchi 22 9-52, 1967] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4911 | 1256 | 2011-09-29 15:45:08 | 4911 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: Dormancy has been observed in several species of Cyclops. Animals in dormancy are characterised by almost complete inactivity of the main appendages and sluggish intestinal peristalsis. In Cyclops vicinus dormancy can take place in copepod stages III (19%), IV (78%) and V (3%) but one and the same animal only in one developmental stage. The author gives his own results between frequency of dormancy and photoperiod (20 C, 1000 lux). He concludes that dormancy in C. vicinus can be influenced by day length and can be ended prematurely by short day length.
    Description: Translated from Italian into English
    Keywords: Biology ; Ecology ; Limnology ; Zooplankton ; Freshwater crustaceans ; Freshwater lakes ; Biological surveys ; Lake dynamics ; Mixodiaptomus laciniatus ; Cyclops abyssorum ; Lake Maggiore
    Repository Name: AquaDocs
    Type: monograph
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  • 13
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    Influence of aniline on Daphnia magna Straus [Translation from: Trudy Saratov.Otdeleniya GosNIORKh 13 102-104, 1975] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4985 | 1256 | 2011-09-29 15:38:34 | 4985 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: Experiments were carried out by the method of direct effect of the tested substance on increase of biomass (1,2). Daphnia magna was cultured under laboratory conditions.The author concludes that concentrations of aniline from 5000 to 0.1 mg/1 appear acutely lethal. The disturbance of feeding, reproduction, the disorganization of the nervous system, speak of the toxicity of the substance.
    Description: Translated from Russian into English
    Keywords: Biology ; Limnology ; Organic compounds ; Toxicity ; Toxicity tests ; Zooplankton ; Freshwater crustaceans ; Daphnia magna
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  • 14
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    Feeding of Gammarus lacustris Sars under different conditions of habitation [Translation from: [Trophic relations of freshwater invertebrates.] (ed. G. G. Vinberg) pp.94-98. Leningrad, Zool.Inst.AN SSSR, 1980] (2021)
    Freshwater Biological Association | Windermere, UK
    In:  http://aquaticcommons.org/id/eprint/4984 | 1256 | 2011-09-29 15:38:32 | 4984 | Freshwater Biological Association
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    Publication Date: 2021-07-07
    Description: The amphipod Gammarus lacustris, a regular representative of lacustrine communities, often plays a significant role in the transformation of matter and energy. The object of the present work was to clarify the quantitative side of the feeding of the amphipod under different conditions of habitation. Experimental works on determination of the rate of consumption of food and its dependence on body-weight were carried out in the summer periods 1975-1978 on three water-bodies of the Krasnoyarsk region, of different conditions of habitation for the amphipods.
    Description: Translated from Russian into English
    Keywords: Aquaculture ; Biology ; Limnology ; Freshwater crustaceans ; Feeding ; Feeding experiments ; Body weight ; Zooplankton ; Russia ; Krasnoyarsk
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  • 15
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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
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    Type: monograph
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  • 16
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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
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    Type: monograph
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