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  • Limnology  (190)
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  • 1
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    Institute of Freshwater Ecology | Ambleside, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10997 | 1256 | 2013-03-26 13:47:47 | 10997 | Environment Agency, UK (Freshwater Biological Association)
    Publikationsdatum: 2021-06-26
    Beschreibung: This is the report on the Cheshire Meres: a Water Quality Enigma by the Institute of Freshwater Ecology from June 1993. The aim of the proposal is to use a well-tested condition-check on key Cheshire Meres, looking at the present nutrient-state and the seasonal structure and relative species-abundances of the phytoplankton. This information will enable the NRA to make some overall appraisal of the advance or otherwise, in trophic condition and its impact upon the perception, use and management of these nationally important sites. The report contains section on the objectives, strategy, timescale, staff and financial of the proposal, plus an appendix with information about the Windermere Profiler and the CV of the Project Leader.
    Beschreibung: Environment Agency Archives North West
    Beschreibung: +2 appendices
    Schlagwort(e): Fisheries ; Limnology ; Management ; England ; Cheshire Meres ; Survey ; Sampling methodology ; Nutrient state ; Seasonal Structure ; Phytoplankton
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 11
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  • 2
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    Institute of Freshwater Ecology | Ambleside, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10996 | 1256 | 2013-10-27 12:00:31 | 10996 | Environment Agency, UK (Freshwater Biological Association)
    Publikationsdatum: 2021-06-26
    Beschreibung: This is a report on the Analysis of Data and a Prioritisation of Sites at the Cheshire Meres by the Institute of Freshwater Ecology.The report addresses data collected by the Agency for 24 basin sites in Cheshire. At least two samples were collected from each site, though not simultaneously. Sites were visited in May/June and in November. The determinands are standard and they included: water, temperature, conductivity, pH, DO, fractional white light penetration, TSS, chlorophyll, TP, ortho-phosphate, nitrate-, nitrite-, ammonium and silicate. Though concentrations were often higher than for other lakes in the region, rather exceeding criteria for classification as eutrophic lakes, the results confirmed that the series of lakes is, naturally, highly eutrophic and nothing in the present data differs so far from expectation that is persuasive that the ecosystems are reacting adversely to environmental stress. The data set is review and summarised, site-by-site, in an appendix. The grounds for prioritisation are discussed. Whether or not this preferred prioritised option is adopted, the Agency is recommended to review the way it carries out monitoring. The determinands and the sampling frequency need to be geared to the information that is required.
    Beschreibung: Environment Agency Archives North West
    Schlagwort(e): Fisheries ; Limnology ; Management ; England ; Cheshire Meres ; Ecological monitoring ; Eutrophic lake ; Prioritisation ; Strategies ; Water quality ; Environmental stress
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 27
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  • 3
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    Institute of Freshwater Ecology | Ambleside, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/10970 | 1256 | 2013-03-26 13:54:01 | 10970 | Environment Agency, UK (Freshwater Biological Association)
    Publikationsdatum: 2021-06-25
    Beschreibung: This is the report on the Effects of Water Quality in the Bassenthwaite Lake on Anglers Catches of Salmon and Sea-trout in the River Derwent April 1993 by the Institute of Freshwater Ecology. An analysis of the catch statistics for salmon and sea-trout in the Rivers Derwent and Cocker was undertaken in relation to available information on the algal water quality in Bassenthwaite Lake to test the hypothesis that poor catch returns were associated with a deterioration of water quality within the lake. Analysis of the catch statistics failed to reveal any correlation between water quality and catch returns for either species of fish and it is concluded that any water deterioration in Bassenthwaite Lake has not caused any major damage to the salmon and sea trout fisheries of the Derwent/Cocker system. This conclusion is supported by the analysis of the Windermere/Leven and Crake system, where no correlation could be found between lake water quality and downstream catches of migratory salmonid fish. However, the possibility still exists and such an effect might be detected by further field work on the macroinvertebrates and on the composition of potential salmonid spawning in the area.
    Beschreibung: Environment Agency Archives North West
    Schlagwort(e): Fisheries ; Limnology ; Management ; England ; Bassenthwaite Lake ; River Derwent ; River Cocker ; Water quality ; Fish catch statistics ; Pollution effects ; Environmental monitoring
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 46
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  • 4
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/11009 | 196 | 2013-03-18 20:25:00 | 11009 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-26
    Beschreibung: Historia de la Ciencia fue una materia ofrecida en 2003, por el curso de Posgrado en Ciencias Ambientales (PEA) de la Universidad Estadual de Maringá, PR, Brasil, dictada por la profesora Luiza Marta Bellini. Durante el curso de la misma, se discutía sobre la historia y filosofía de vida de los científicos que brillaron o, por el contrario, pasaron desapercibidos por la historia del pensamiento humano. Al final del término de la materia, se logró compilar un libro llamado Ecólogos e suas histórias: Um olhar sobre a construção das ideas ecológicas (Pelicice et al., 2010). El capitulo diez del libro, es un comentario sobre algunos pioneros que contribuyeron para el desarrollo de la Limnología fluvial en Sudamérica. Dos fueron tratados en ese capítulo, Harald Sioli y Juan José Neiff (ver Arenas‐Ibarra et al., 2010). Sin embargo, la idea principal del capítulo era incluir también a los doctores Argentino Aurelio Bonetto y Raúl Adolfo Ringuelet, pero cuestiones relativas al formato y espacio de cada capítulo, impidieron mantener laintegridad original de éste y el mayor conocimiento de las contribuciones de estos dos destacados investigadores argentinos en tierras brasileras. Si bien esta omisión fuecompensada en parte por el artículo de Arenas‐Ibarra & Souza‐Filho (2010) en el que se resaltan las figuras de Bonetto y Rzóska como precursores de la Limnología fluvial, quedó aúnpendiente este reconocimiento por parte de los autores de este documento a Raúl Ringuelet.Con motivo de que en el transcurso de este año se cumplieron treinta años del fallecimiento del Dr. Raúl Adolfo Ringuelet, decidimos, por invitación de Hugo Luis López, publicar el material recopilado durante la materia cursada en la Universidad Estadual de Maringá (UEM, Brasil),actualizándola con nuevos datos proporcionados por Hugo López y Juan José Neiff.Este trabajo es una síntesis de las ideas de Raúl Adolfo Ringuelet, quien sin duda se encuentra entre los pioneros de la ictio‐limnología local y sudamericana.
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral (ProBiota)
    Beschreibung: Debe citarse: ESPÍNOLA, L. A. ; M. C. M. BLETTLER & J. A. ARENAS IBARRA. 2012. Raúl Adolfo Ringuelet (1914 1982): Una síntesis de su trayectoria con énfasis en sus contribuciones a la Ictiología y Limnología. ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos nº 18: 1-16. ISSN 1666-731X.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Raúl A. Ringuelet ; Biography ; Biografía ; Ichthyology ; Ictiología ; Zoogeography ; Zoogeografía ; Limnology ; Limnología
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 16
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  • 5
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5096 | 1256 | 2011-09-29 15:24:47 | 5096 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: At high stream discharges salmonid eggs can he displaced from the gravel and may drift downstream. It has been suggested that developing salmonid eggs may be killed by ”physical shock”, especially during the period before ”eyeing”. Similarly, a progress report by the International Pacific Salmon Fisheries Commission (1966) states that salmonid eggs are most sensitive during the period between fertilisation and blastopore closure. However, it would seem unlikely that this sensitivity actually begins at the time of fertilisation because, in nature, a period, perhaps measured in hours, must occur during which the newly-fertilised eggs are exposed to physical shock during the deposition of gravel over them as a result of the cutting activity of the female fish. The present report describes simple channel experiments designed to answer the two questions: 1. After release of eggs from the gravel, does the process of drifting downstream, which implies some physical shock through movement and impact, decrease the survival of salmonid eggs? 2. Is the survival rate-influenced by the stage of development of the eggs?
    Schlagwort(e): Ecology ; Fisheries ; Limnology ; Freshwater ecology ; Rivers ; Freshwater fish ; Life cycle ; Channels ; Experimental research ; Fish eggs ; England ; Grassholme
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 33
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  • 6
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5092 | 1256 | 2011-09-29 15:25:26 | 5092 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: Aspects of reported nutrient levels and their ecological implications for Malham Tarn are discussed. Discussion centres upon the data given here as appendices, involving possible evidence of a long-term increase in the concentrations of some nutrients (especially nitrate) of significance for the Tarn's ecology and conservation. Further comparative tests of some methods of chemical analysis employed in obtaining those data are reported.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater ecology ; Freshwater lakes ; Nutrients (mineral) ; Nitrates ; Phosphorus ; Alkalinity ; Methodology ; Ultraviolet radiation ; Hydrology ; England ; Malham Tarn
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 42
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  • 7
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5097 | 1256 | 2011-09-29 15:24:43 | 5097 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: It is of value to know the approximate distance of travel at different stream discharges and/or water velocities, of salmonid eggs which have been displaced from redds by spates. This report describes studies in 20 m of stream channel upstream of the fish trap in Dubby Sike. Observations were made on the relation- ships between discharge and water depth and velocity and also on the relationships between water velocity and the settlement of artificial trout eggs. The main aim was to test the hypothesis that, at any given water velocity, eggs would drift smaller distances in a natural stream than in the experimental channels.
    Schlagwort(e): Ecology ; Fisheries ; Limnology ; Freshwater ecology ; Rivers ; Freshwater fish ; Channels ; Experimental research ; Fish eggs ; England ; Grassholme
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 31
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  • 8
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5109 | 3949 | 2011-09-29 15:23:53 | 5109 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater molluscs ; Aquatic insects ; Invertebrate larvae ; Aquatic organisms ; Annual reports ; Corixidae ; Coleoptera ; England ; Lake District
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 47-51
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  • 9
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    ProBiota (Programa para el estudio y uso sustentable de la biota austral) | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/4225 | 196 | 2013-03-16 13:58:39 | 4225 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: This series will include all those people who, by means of their contributions, great and small, played a part in the consolidation of ichthyology in Argentina.The general plan of this work consists of individual factsheets containing a list of works by each author, along with reference bibliography and, whenever possible,personal pictures and additional material.The datasheets will be published primarily in chronological order, although this is subject to change by the availability of materials for successive editions.This work represents another approach for the recovery and revalorization of those who set the foundations of Argentine ichthyology while in diverse historicalcircumstances.I expect this to be the beginning of a major work that achieves the description of such a significant part of the history of natural sciences in Argentina.
    Beschreibung: ProBiota (Programa para el estudio y uso sustentable de la biota austral)
    Beschreibung: Debe citarse: LÓPEZ, H. L., A. M. MIQUELARENA & J. PONTE GÓMEZ. 2010. Ictiólogos de la Argentina: Roberto Carlos Menni. ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Técnica y Didáctica 14(17): 1-50. ISSN 1515-9329.
    Schlagwort(e): Oceanography ; Biology ; Limnology ; Argentina ; Biography ; Biografía ; Ichthyologists ; Ictiólogos ; Roberto Carlos Menni
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 10
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5237 | 1256 | 2011-09-29 15:13:37 | 5237 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This report covers the period April to September, 1989. During this period sampling of invertebrates has concentrated on planktonic animals and those associated with one of the dominant macrophytes in the system, Nuphar lutea, the yellow water lily, since these are particularly important in the diets of larval and juvenile cyprinid fish. A proportion of samples has been partly analysed and some preliminary data are presented here.
    Schlagwort(e): Ecology ; Environment ; Limnology ; Aquatic plants ; Plankton ; Biological sampling ; Invertebrate larvae ; Pesticides ; England ; Godmanchester
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 11
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  • 11
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5238 | 1256 | 2011-09-29 15:13:42 | 5238 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This report presents five batches of data which have been despatched to the Joint Research Centre, Ispra. The data as been allocated to various ECDIN (Environmental Chemicals Data and Information Network) files. The data comprises environmental chemicals in the freshwater environment, taking in paricular consideration: aquatic toxicity, bioaccumulation, metabolism and elimination biodegradation.
    Schlagwort(e): Chemistry ; Ecology ; Limnology ; Data ; Data processing ; Data collections ; Chemical compounds ; Toxicity ; Bioaccumulation ; Biodegradation ; Metabolism
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 8
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  • 12
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5236 | 1256 | 2011-09-29 15:13:22 | 5236 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The plant Crassula helmsii (Kirk) Cochayne, was likely to become widely distributed and to dominate many damp and wet areas of nature reserves, recreational waters and agricultural drainage of Britain. The aim of this report was to study Australian Swamp Stonecrop in its natural habitat where it is in balance with its environment. This contrasts with its rapid and widespread distribution in the U.K. where its growth interferes with the use of fisheries and amenity lakes but also reduces the value of nature reserves and sites of special scientific interest by suppressing native flora. It was proposed to observe its growth at a variety of sites over its natural distribution and to include some environmental factors, e.g. water-level, water-chemistry (nutrients, acidity and alkalinity), frost-tolerance, salinity, with the help of portable sensors, locally-available services or data. 8 weeks of travel in Australia allowed time to study the plant in its natural habitat including the coastal areas of the southern half of the continent i.e . Western Australia, South Australia, New South Wales, Victoria, Tasmania and southern Queensland. The overall objective was to determine the environmental range by visits to selected sites of Crassula helmsii over its geographic range.
    Schlagwort(e): Conservation ; Ecology ; Limnology ; Plant control ; Plant populations ; Aquatic plants ; Introduced species ; Australia ; Crassula helmsii
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 33
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  • 13
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5259 | 1256 | 2011-09-29 15:09:27 | 5259 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: In recent collaborative biological sampling exercises organised by the Nottingham Regional Laboratory of the Severn-Trent Water Authority, the effect of handnet sampling variation on the quality and usefulness of the data obtained has been questioned, especially when this data is transcribed into one or more of the commonly used biological methods of water quality assessment. This study investigates if this effect is constant at sites with similar typography but differing water quality states when the sampling method is standardized and carried out by a single operator. An argument is made for the use of a lowest common denominator approach to give a more consistent result and obviate the effect of sampling variation on these biological assessment methods.
    Beschreibung: Bilateral study of methods 2 - Pollution Report No.8
    Schlagwort(e): Biology ; Limnology ; Pollution ; Sampling ; Samplers ; Methodology ; Standardization ; Rivers ; Invertebrate larvae ; England ; Trent River
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 19
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  • 14
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5281 | 1256 | 2011-09-29 15:11:31 | 5281 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Experiments and observations on the phytoplankton of certain lakes in the English Lake District were made from early 1973 to the end of March, 1974. They included laboratory and lake bioassays and observations on the quantity and quality of the phytoplankton in six lakes. The introductory sections of the report are about algae, the ecology of phytoplankton and the scope of the contracted work. Laboratory bioassays on water from one lake, Blelham Tarn, showed that phosphorus, silicon (for diatoms) and organic substances forming complexes with iron were the major substances limiting the growth of the algae tested. The growth of the test algae was limited to different degrees by those substances and, to some extent, to a greater or lesser degree at different times of year. It is suggested that a relatively simple form of bioassay could give valuable information to water undertakings. Lake bioassays and other experiments were carried out by using large in situ tubular plastic enclosures. Two such investigations are described. The effects of a change in sewerage in two drainage basins on the phytoplankton of three lakes is described and some data given about changes since 1945 in three other lakes in the same overall drainage basin. These latter lakes have been affected too by changes in sewerage and by increasing inputs of domestic and agricultural wastes. Throughout, the relevance of the work done to practical problems of water usage is kept in mind and discussed. In the last section special reference is made to the largely unpredictable results of water transfers. The report ends with a note on river phytoplankton.
    Schlagwort(e): Biology ; Limnology ; Management ; Phytoplankton ; Water use ; Water supply ; Freshwater lakes ; Bioassays ; Tests ; Controlled conditions ; Thermal stratification ; Tubing ; Nutrients (mineral) ; Diatoms ; England ; English Lake District
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 64
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  • 15
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5275 | 1256 | 2011-09-29 15:10:37 | 5275 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This annotated bibliography covers literature to the end of November 1977, and includes references to samplers that could be used for the rapid removal of benthic invertebrates from natural substrata of rivers and streams. Marine samplers which have been, or could be, used in freshwater. Coverage of Russian literature is incomplete, although a selection of recent and important references are included. The references are arranged under the following headings, Reviews; Nets and quadrat samplers; Scoops, shovels and dredges; Grabs; Corers; Suction and air-lift samplers; Electroshocking samplers; Efficiencies and comparisons; and Samplers from catalogues. There is an index to samplers (by the common name) and an author index.
    Beschreibung: Supplement to this Bibliography held as http://aquaticcommons.org/5410/
    Schlagwort(e): Ecology ; Limnology ; Samplers ; Invertebrates ; Bibliographies
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 61
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  • 16
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5282 | 1256 | 2011-09-29 15:11:34 | 5282 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Distribution maps were included in the second edition of the F.B.A. Scientific Publication on British freshwater leeches (Mann 1964). When that publication was extensively revised and enlarged to include a review of the literature on the ecology of leeches (Elliott & Mann 1979), it was decided that new maps should be published separately. The original maps were based on 1097 records whereas 4198 records were used for the new maps. The total British Isles list comprises sixteen species, thirteen genera and four families of leeches.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Distribution records ; Ecological distribution ; Maps ; Freshwater organisms ; Hirudinea
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 31
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  • 17
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5270 | 1256 | 2011-09-29 15:10:29 | 5270 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: At the present time hydrobiological indicators are widely used for the control of surface water quality. Results of the applying of methods suggested at the 1st Soviet-American seminar (1975), development of improved methods and estimation of their usefulness for various conditions are presented in this report. Among the criteria permitting an estimation of the degree and character of changes in water quality and their connection with the functioning of river ecosystems in general, the biological tests of natural waters appears to be the most universal one and is being carried out in two main directions — ecological and physiological. This study summarises approaches in both directions.
    Schlagwort(e): Biology ; Limnology ; Pollution ; River water ; Rivers ; Water quality ; Water quality control ; Indicators
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 6
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  • 18
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5284 | 1256 | 2011-09-29 15:11:41 | 5284 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: A new listing of published scientific contributions from the Freshwater Biological Association (FBA) and its later Research Council associates – the Institute of Freshwater Ecology (1989–2000) and the Centre for Ecology and Hydrology (2000+) is provided. The period 1929–2006 is covered. The compilation extends an earlier list assembled by in 1979.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Bibliographies ; Freshwater sciences ; Hydrobiology ; Hydrology ; Limnology
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 161
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  • 19
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5287 | 1256 | 2011-09-29 15:12:00 | 5287 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Restoration of water-bodies from eutrophication has proved to be extremely difficult. Mathematical models have been used extensively to provide guidance for management decisions. The aim of this paper is to elucidate important problems of using models for predicting environmental changes. First, the necessity for a proper uncertainty assessment of the model, upon calibration, has not been widely recognized. Predictions must not be a single time trajectory; they should be a band, expressing system uncertainty and natural variability. Availability of this information may alter the decision to be taken. Second, even with well-calibrated models, there is no guarantee they will give correct projections in situations where the model is used to predict the effects of measures designed to bring the system into an entirely different ”operating point”, as is typically the case in eutrophication abatement. The concept of educated speculation is introduced to partially overcome this difficulty. Lake Veluwe is used as a case to illustrate the point. Third, as questions become more detailed, such as ”what about expected algal composition”, there is a greater probability of running into fundamental problems that are associated with predicting the behaviour of complex non-linear systems. Some of these systems show extreme initial condition sensitivity and even, perhaps, chaotic behaviour, and are therefore fundamentally unpredictable.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Phytoplankton ; Freshwater lakes ; Models ; Growth ; Modelling ; Equations ; Bacteria ; Prediction ; Netherlands ; Veluwemeer Lake
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    Format: application/pdf
    Format: application/pdf
    Format: 44-58
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  • 20
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5285 | 1256 | 2011-09-29 15:11:44 | 5285 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The ”Vollenweider model” is a sophisticated mathematical statement about the long-range behaviour of (mainly temperate) lakes and their ability to support phytoplankton chlorophyll. Misapplication of the model, against which Vollenweider himself warned, has led to many misconceptions about the dynamics of plankton in lakes and reservoirs and about how best to manage systems subject to eutrophication. This contribution intends to frame the most important issues in context of the phosphorus- loading and phosphorus-limitation concepts. Emphasis is placed on the need to distinguish rate-limitation from capacity-limitation, to understand which is more manageable and why, to discern the mechanisms of internal recycling and their importance, and to appreciate the respective roles of physical and biotic components in local control of algal dynamics. Some general approaches to the management of water quality in lakes and reservoirs to eutrophication are outlined.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Phytoplankton ; Models ; Phosphorus ; Ecosystem management ; Nutrients (mineral) ; Plant growth ; Growth regulators ; Freshwater lakes
    Repository-Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 4-29
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  • 21
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5289 | 1256 | 2011-09-29 15:08:12 | 5289 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Results from long-term investigations on biomanipulation show that indirect effects are at least as important as direct effects are for the stability of biomanipulation. Three types of indirect effects can be distinguished: (1) a change in quantity or quality of the resource base, (2) behavioural change of the prey, and (3) development of anti-predator traits. Although indirect effects of type (2), (e.g. a change in the pattern of vertical migration of zooplankton), and type (3), (e.g. development of helmets and neck teeth in Daphnia), are important mechanisms, the most essential indirect effects regarding biomanipulation belong to type (1). An example of the latter will be demonstrated: the complex of indirect effects of enhanced grazing by large herbivores on the phosphorus metabolism of the lake. It is concluded that control of the indirect effects is absolutely necessary to stabilize biomanipulation measures, but this is much more difficult than the control of direct effects and needs deeper insights into the structuring mechanisms of food webs. Proper management of fish stocks, in combination with the control of phosphorus load and/or the physical conditions, seems to be the most promising way of controlling the indirect effects of biomanipulation.
    Schlagwort(e): Ecology ; Limnology ; Eutrophication ; Freshwater lakes ; Biomanipulation ; Water quality control ; Food webs ; Phosphorus
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 82-93
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  • 22
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5290 | 1256 | 2011-09-29 15:08:14 | 5290 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: In the mesotrophic-eutrophic Saidenbach Reservoir in Saxony, the nanoplankton and cyanobacteria have increased at the expense of diatom dominance, due to a doubling of the external phosphorus load in the last 15 years. However, the phosphorus sedimentation flux is still very high (up to 80% of the input), corresponding to more than 2 g m2 d-1 in terms of dry weight. There is a strong correlation between the abundance of diatoms in the euphotic zone and their sedimentation flux (with a delay of about 2 weeks). Only about 25% of the deposited material could be clearly attributed to plankton biomass; the remainder resulted from flocculation and precipitation processes or directly from the inflow of clay minerals. The ash content of the deposited material was high (73%). Thus the sedimentation flux can be considered to operate as an internal water-treatment/oligotrophication process within the lake. The neighbouring Neunzehnhain Reservoir still has a very clear water with a transparency up to 18 m depth. Though the sediment was not much lower than Saidenbach sediment in total phosphorus and total numbers of bacteria, sulphide was always absent and the ratio of Fe 2+ to Fe 3+ was very low in the upper (0- 5 cm) layer. Thus the external and internal phosphorus loads do not attain the critical level necessary to induce a ”phosphorus - phytoplankton” feedback loop.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Freshwater lakes ; Water quality control ; Phosphorus ; Water reservoirs ; Phytoplankton ; Growth ; Sedimentation ; Sediment composition ; Germany
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 94-106
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  • 23
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5295 | 1256 | 2011-09-29 15:07:49 | 5295 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: In a small lake, intermittent destratification was installed after several other physico-chemical and physical in-lake therapy measures (phosphorus immobilization, permanent destratification) had been tested without great success. If an aerobic sediment-water interface can be maintained, intermittent destratification removes cyanobacteria and prevents optimal development of other members of the photoautotrophic plankton. During growing seasons, increasing abundances of small-bodied herbivores (Bosmina) and Daphnia may have accounted for relatively low phytoplankton biomass as well. Intermittent destratification is a very fast-working in-lake measure and seems to be applicable even in relatively shallow lakes (〈 15 m), in which permanent destratification seems to be risky.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Destratification ; Ecosystem management ; Water quality control ; Phosphorus ; Eutrophic lakes ; Inhibitors ; Phytoplankton ; Zooplankton ; Biomass ; Germany ; Fischkaltersee
    Repository-Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 163-184
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  • 24
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5298 | 1256 | 2011-09-29 15:07:47 | 5298 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This chapter summarises the meeting, entitled ”Eutrophication: Research and Application to Water Supply”. The general feeling was that academic research on the process of eutrophication had progressed significantly over the past decade, but there had been little contact with the water managers, i.e. those whose work was at the sharp end of dealing with the associated problems. This chapter summarises the sessions held by experts in the field.
    Schlagwort(e): Ecology ; Limnology ; Eutrophication ; Algal blooms ; Inland waters ; Water management ; Phytoplankton ; Conferences
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 214-217
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  • 25
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5292 | 1256 | 2011-09-29 15:08:07 | 5292 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Since 1989, intensive studies have been made on a relatively new (1983-84) oligotrophic reservoir and its pre-reservoir in the Black Forest. This paper briefly reports on the hydrochemistry, especially annual variations in phosphorus loadings, and the seasonal development of phytoplankton in 1989 and 1990.
    Schlagwort(e): Ecology ; Limnology ; Eutrophication ; Freshwater lakes ; Water reservoirs ; Limnological surveys ; Phosphorus ; Biomass ; Phytoplankton ; Oligotrophic lakes ; Germany ; Kleine Kinzig Reservoir
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 112-118
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  • 26
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5291 | 1256 | 2011-09-29 15:07:52 | 5291 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Natural calcite precipitation in lakes is a well-known control mechanism of eutrophication. In hard-water lakes, calcite deposits on the flat bottoms of shallow lakes and near the shores of deeper lakes resulted from biogenic decalcification during the millenia after the last glacial period. The objective of a new restoration technology is to intensify the natural process of precipitation by utilizing the different qualities of calcareous mud layers. In a pilot experiment in Lake Rudower See, East Germany, phosphorus-poor deeper layers of the sediments were flushed out and spread over the phosphorus-rich uppermost sediments, to promote the co- precipitation of calcite with phosphorus from the water-column.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Freshwater lakes ; Phosphorus ; Calcitization ; Algal blooms ; Calcite ; Sedimentation ; Germany
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 107-111
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  • 27
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5301 | 1256 | 2011-09-29 15:07:11 | 5301 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The cyanobacteria that cause problems in water supply are principally the colonial forms that are buoyed up by gas vesicles. The success of these organisms is due, in part, to their gas vesicles, which enable them to perform vertical migrations or to maintain themselves in the euphotic zone. The gas vesicles are also the root cause of the problems. In calm periods they cause the cyanobacteria to float to the water surface forming noxious scums, and they may prevent the colonies from sedimenting in water treatment plants. Gas vesicles are hollow, gas-filled structures; they are rigid but can be collapsed by the application of pressure. Their critical collapse pressure is influenced by their dimensions, which vary in different organisms. Gas vesicles are formed by the assembly of two types of protein, which determine their mechanical and physical properties. Methods for collapsing gas vesicles in natural populations of cyanobacteria will be considered. They may have application to the control of cyanobacteria in water supply.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Gases ; Buoyancy ; Algae ; Bacteria ; Photosynthesis ; Growth ; Competition
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 150-162
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  • 28
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5293 | 1256 | 2011-09-29 15:08:09 | 5293 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Esthwaite Water is the most productive or eutrophic lake in the English Lake District. Since 1945 its water quality has been determined from weekly or biweekly measurements of temperature, oxygen, plant nutrients and phytoplankton abundance. The lake receives phosphorus from its largely lowland-pasture catchment, sewage effluent from the villages of Hawkshead and Near Sawrey, and from a cage-culture fish farm. From 1986 phosphorus has been removed from the sewage effluent of Hawkshead which was considered to contribute between 47% and 67% of the total phosphorus loading to the lake. At the commencement of phosphorus removal regular measurements of phosphorus in the superficial 0-4 cm layer of lake sediment were made from cores collected at random sites. Since 1986 the mean annual concentration of alkali-extractable sediment phosphorus has decreased by 23%. This change is not significant at the 5% level but nearly so. There has been no marked change in water quality over this period. Summer dominance of blue-green algae which arose in the early 1980s after decline of the previous summer forms, Ceratium spp., has been maintained. Improvement in water quality is unlikely to be achieved at the present phosphorus loading.
    Schlagwort(e): Chemistry ; Limnology ; Pollution ; Eutrophication ; Freshwater lakes ; Limnological surveys ; Phosphorus ; Phytoplankton ; Primary production ; Sediment analysis ; Water quality ; England ; Esthwaite Water
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 119-131
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  • 29
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5288 | 1256 | 2011-09-29 15:08:15 | 5288 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Biomanipulation is a form of biological engineering in which organisms are selectively removed or encouraged to alleviate the symptoms of eutrophication. Most examples involve fish and grazer zooplankton though mussels have also been used. The technique involves continuous management in many deeper lakes and is not a substitute for nutrient control. In some lakes, alterations to the lake environment have given longer-term positive effects. And in some shallow lakes, biomanipulation may be essential, alongside nutrient control, in re- establishing former aquatic-plant-dominated ecosystems which have been lost through severe eutrophication. The emergence of biomanipulation techniques emphasises that lake systems are not simply chemical reactors which respond simply to engineered chemical changes, but very complex and still very imperfectly understood ecosystems which require a yet profounder understanding before they can be restored with certainty.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Freshwater lakes ; Biomanipulation ; Water quality control
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 73-81
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  • 30
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5299 | 1256 | 2011-09-29 15:07:19 | 5299 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This article discusses problems of modelling the seasonal succession of algal species in lakes and reservoirs, and the adaptive selection of certain groups of algae in response to changes in the inputs and relative concentrations of nutrients and other environmental variables. A new generation of quantitative models is being developed which attempts to translate some important biological properties of species (survival, variation, inheritance, reproductive rates and population growth) into predictions about the survival of the fittest, where ”fitness” is measured or estimated in thermodynamic terms. The concept of ”exergy” and its calculation is explored to examine maximal exergy as a measure of fitness in ecosystems, and its use for calculating changes in species composition by means of structural dynamic models. These models accomodate short-term changes in parameters that affect the adaptive responses (species selection) of algae.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Phytoplankton ; Freshwater lakes ; Models ; Growth ; Modelling ; Energy ; Inland water environment ; Thermodynamics
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 59-72
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  • 31
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5300 | 1256 | 2011-09-29 15:07:17 | 5300 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Like other rivers in the Paris area, the Oise is subject to important seasonal algal blooms. This eutrophication generates notable problems for the production of drinking-water from a treatment plant on the river at Méry. A mathematical model has been developed to simulate variation in water quality in a pre-treatment storage basin, and another model is currently being adapted to model the River Oise. Integration of the two models should provide a comprehensive tool for predicting variations of phytoplankton and water-quality parameters associated with algal blooms. This will be a decision-aid for optimizing control of the treatment process for providing potable water.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Eutrophication ; Algal blooms ; Water treatment ; Water supply ; Modelling ; Models ; Phytoplankton ; Water management ; France ; Oise River
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 143-149
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  • 32
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5307 | 1256 | 2011-09-29 15:06:39 | 5307 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Sub-lethal toxicity tests, such as the scope-for-growth test, reveal simple relationships between measures of contaminant concentration and effect on respiratory and feeding physiology. Simple models are presented to investigate the potential impact of different mechanisms of chronic sub-lethal toxicity on these physiological processes. Since environmental quality is variable, even in unimpacted environments, toxicants may have differentially greater impacts in poor compared to higher quality environments. The models illustrate the implications of different degrees and mechanisms of toxicity in response to variability in the quality of the feeding environment, and variability in standard metabolic rate. The models suggest that the relationships between measured degrees of toxic stress, and the maintenance ration required to maintain zero scope-for-growth, may be highly nonlinear. In addition it may be possible to define critical levels of sub-lethal toxic effect above which no environment is of sufficient quality to permit prolonged survival.
    Schlagwort(e): Biology ; Limnology ; Pollution ; Toxicity ; Sublethal effects ; Toxicity tests ; Models ; Metabolism ; Narcosis ; Animal physiology ; Risk management ; Respiration
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    Format: application/pdf
    Format: application/pdf
    Format: 88-97
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  • 33
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5306 | 1256 | 2011-09-29 15:06:38 | 5306 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Ecosystem level models are motivated by some combination of scientific and practical concerns. Those models motivated by practical concerns are likely to bear little historical relation to previous models. Mechanisms of interaction between particular species and their ecosystems vary enormously. Some species literally construct their own ecosystems. Others have more or less complex and important interactions with other species so that their presence or absence may alter the ecosystem. Prior information about the natural history of particular species can make ecosystem investigations quicker, cheaper, and more effective. The optimal resource for preparing to deal with the unlimited diversity of questions asked of ecologists would be a large' computerized databank of natural history observations for as many species as possible.
    Schlagwort(e): Ecology ; Limnology ; Oceanography ; Ecosystems ; Aquatic environment ; Species ; Interspecific relationships ; Biology ; Models
    Repository-Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 75-87
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  • 34
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5309 | 1256 | 2011-09-29 15:06:43 | 5309 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The effects of stress on the immune system of various fish species including dab Limanda limanda, flounder Platichthys flesus, sea bass Dicentrarchus labrax and gobies Zosterisessor ophiocephalus, were investigated from laboratory and field experiments, using various assays to measure immunocompetence, correlated with histological and ultrastructural observations. Modulation of the immune system was demonstrated at tissue, cellular and biochemical levels following exposure to various stressors. The spleen somatic index was depressed in dab stressed in the laboratory and gobies collected from polluted sites in the Venice Lagoon. Differential blood cell counts consistently showed an increase in phagocytes and decrease in thrombocytes in fish exposed to various stressors. Phagocytic activity from spleen and kidney adherent cells was stimulated in dab stressed by transportation but depressed in fish exposed to chemical pollutants. Respiratory burst activity in phagocytic cells was also stimulated in stressed dab but depressed in sea bass exposed to cadmium. The results are discussed in relation to current concepts on stress in fish and the regulation of the immune system.
    Schlagwort(e): Biology ; Fisheries ; Limnology ; Bioassays ; Nervous system ; Immunity ; Biological stress ; Marine fish ; Pollution effects ; Kidneys ; Phagocytosis ; Italy ; Porto Marghera
    Repository-Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 111-123
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  • 35
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5320 | 1256 | 2011-09-29 15:05:44 | 5320 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: There is no evidence to indicate that there is a risk of acquiring a virus infection through the consumption of properly treated drinking water, provided the integrity of the distribution system is maintained and there is no post-treatment contamination. The consumption of inadequately treated, untreated or post-treatment contaminated water is, however, associated with a risk of hepatitis A, hepatitis E and viral gastroenteritis. The use of the standard bacterial indicators for water monitoring provides an adequate safeguard against viral contamination.
    Schlagwort(e): Health ; Limnology ; Pollution ; Public health ; Microbial contamination ; Viral diseases ; Viruses ; Water treatment ; Pollution indicators
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    Format: application/pdf
    Format: application/pdf
    Format: 43-47
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  • 36
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5317 | 1256 | 2011-09-29 15:05:35 | 5317 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Most microbiological methods require culture to allow organisms to recover or to selectively increase, and target organisms are identified by growth on specific agar media. Many cultural methods take several days to complete and even then the results require confirmation. Alternative techniques include the use of chromogenic and fluorogenic substances to identify bacteria as they are growing, selective capture using antibodies after short periods of growth, molecular techniques, and direct staining with or without flow cytometry for enumeration and identification. Future microbiologists may not use culture but depend on the use of specific probes and sophisticated detection systems.
    Schlagwort(e): Engineering ; Limnology ; Pollution ; Water quality ; Microorganisms ; Methodology ; Detection ; Bacteria ; Cultured organisms ; Enzymes ; Immunofluorescence ; Flow cytometry ; Microbiological culture
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 19-27
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  • 37
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5315 | 1256 | 2011-09-29 15:06:22 | 5315 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Improvements in methods for the detection and enumeration of microbes in water, particularly the application of techniques of molecular biology, have highlighted shortcomings in the ”standard methods” for assessing water quality. Higher expectations from the consumer and increased publicity associated with pollution incidents can lead to an uncoupling of the cycle which links methodological development with standard-setting and legislation. The new methodology has also highlighted problems within the water cycle, related to the introduction, growth and metabolism of microbes. A greater understanding of the true diversity of the microbial community and the ability to transmit genetic information within aquatic systems ensures that the subject of this symposium and volume provides an ideal forum to discuss the problems encountered by both researcher and practitioner.
    Schlagwort(e): Biology ; Limnology ; Pollution ; Water quality ; Microbiology ; Microorganisms ; Hydrologic cycle ; Methodology ; Bacteria ; Bacterial counters ; Public health ; Microbial contamination ; Primary production ; Fungi ; Cryptosporidium
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    Format: application/pdf
    Format: application/pdf
    Format: 1-10
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  • 38
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5318 | 1256 | 2011-09-29 15:05:37 | 5318 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: It is widely recognised that conventional culture techniques may underestimate true viable bacterial numbers by several orders of magnitude. The basis of this discrepancy is that a culture in or on media of high nutrient concentration is highly selective (either through ”nutrient shock” or failure to provide vital co-factors) and decreases apparent diversity; thus it is unrepresentative of the natural community. In addition, the non-culturable but viable state (NCBV) is a strategy adopted by some bacteria as a response to environmental stress. The basis for the non-culturable state is that cells placed in conditions present in the environment cannot be recultured but can be shown to maintain their viability. Consequently, these cells would not be detected by standard water quality techniques that are based on culture. In the case of pathogens, it may explain outbreaks of disease in populations that have not come into contact with the pathogen. However, the NCBV state is difficult to attribute, due to the failure to distinguish between NCBV and non-viable cells. This article will describe experiences with the fish pathogen Aeromonas salmonicida subsp. salmonicida and the application of molecular techniques for its detection and physiological analysis.
    Schlagwort(e): Ecology ; Limnology ; Pollution ; Bacteria ; Bacterial diseases ; Detection ; Methodology ; Molecular biology ; Microbiological culture
    Repository-Name: AquaDocs
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    Format: application/pdf
    Format: application/pdf
    Format: 28-34
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  • 39
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5316 | 1256 | 2011-09-29 15:05:33 | 5316 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The advent of molecular biology has had a dramatic impact on all aspects of biology, not least applied microbial ecology. Microbiological testing of water has traditionally depended largely on culture techniques. Growing understanding that only a small proportion of microbial species are culturable, and that many microorganisms may attain a viable but non-culturable state, has promoted the development of novel approaches to monitoring pathogens in the environment. This has been paralleled by an increased awareness of the surprising genetic diversity of natural microbial populations. By targeting gene sequences that are specific for particular microorganisms, for example genes that encode diagnostic enzymes, or species-specific domains of conserved genes such as 16S ribosomal RNA coding sequences (rrn genes), the problems of culture can be avoided. Technical developments, notably in the area of in vitro amplification of DNA using the polymerase chain reaction (PCR), now permit routine detection and identification of specific microorganisms, even when present in very low numbers. Although the techniques of molecular biology have provided some very powerful tools for environmental microbiology, it should not be forgotten that these have their own drawbacks and biases in sampling. For example, molecular techniques are dependent on efficient lysis and recovery of nucleic acids from both vegetative forms and spores of microbial species that may differ radically when growing in the laboratory compared with the natural environment. Furthermore, PCR amplification can introduce its own bias depending on the nature of the oligonucleotide primers utilised. However, despite these potential caveats, it seems likely that a molecular biological approach, particularly with its potential for automation, will provide the mainstay of diagnostic technology for the foreseeable future.
    Schlagwort(e): Engineering ; Limnology ; Pollution ; Water quality ; Microbiology ; Microorganisms ; Methodology ; Molecular biology ; DNA ; Polymerase chain reaction ; Detection ; RNA ; Bacteria ; Bacterial diseases
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 11-18
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5312 | 3949 | 2020-08-23 05:42:57 | 5312 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This review considers three general aspects of research on zooplankton patchiness: the detection of patchiness, the description of patchiness and the causes of patchiness.
    Schlagwort(e): Ecology ; Limnology ; Freshwater lakes ; Horizontal distribution ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 32-44
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5321 | 1256 | 2011-09-29 15:06:11 | 5321 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Recent advances in our knowledge of the genetic structure of human caliciviruses (HuCVs) and small round-structured viruses (SRSVs) have led to the development of polymerase chain reaction (PCR)-based molecular tests specific for these viruses. These methods have been developed to detect a number of human pathogenic viruses in environmental samples including water, sewage and shellfish. HuCVs and SRSVs are not culturable, and no animal model is currently available. Therefore there is no convenient method of preparing viruses for study or for reagent production. One problem facing those attempting to use PCR-based methods for the detection of HuCVs and SRSVs is the lack of a suitable positive control substrate. This is particularly important when screening complex samples in which the levels of inhibitors present may significantly interfere with amplificiation. Regions within the RNA polymerase regions of two genetically distinct human caliciviruses have been amplified and used to produce recombinant baculoviruses which express RNA corresponding to the calicivirus polymerase. This RNA is being investigated as a positive control substrate for PCR testing, using current diagnostic primer sets. Recombinant baculovirus technology will enable efficient and cost-effective production of large quantities of positive control RNA with a specific known genotype. We consider the development of these systems as essential for successful screening and monitoring applications.
    Schlagwort(e): Health ; Limnology ; Pollution ; Polymerase chain reaction ; Viruses ; Viral diseases ; RNA ; Primers ; Cloning ; Diarrhetic shellfish poisoning ; Public health ; Sewages
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 48-53
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5323 | 1256 | 2011-09-29 15:05:12 | 5323 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: In drinking water distribution systems, three groups of living organisms are usually found in the biofilm and circulating water: heterotrophic bacteria, free-living protozoa, and macro-invertebrates. Indirect evidence suggests that protozoa grazing in distribution systems can partially eliminate biomass production and accidental microbiological pollution. This paper examines the biodiversit in drinking water distribution systems.
    Schlagwort(e): Biology ; Limnology ; Water supply ; Biodiversity ; Food chains ; Bacteria ; Invertebrate larvae ; Escherichia coli
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 63-70
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5322 | 1256 | 2011-09-29 15:05:32 | 5322 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The direct measurement of in situ respiring bacteria using 5-cyano-2,3-ditolyl tetrazolium chloride (CTC) shows that, especially for Gram-negative bacteria, large numbers of viable but non-culturable (VBNC) bacteria are present in finished water from a conventional water treatment plant, and the regrowth of bacteria along distribution networks can be seen rapidly by using this very sensitive technique. The level of bacterial inactivation with chlorine is much less important than has been previously supposed (based on experiments with non-injured laboratory strains of bacteria and classical culture techniques). Threshold values of VBNC bacteria leaving water treatment plants or regrowing along distribution systems have to be determined for better control of coliform regrowth and health- risks associated with the consumption of drinking water.
    Schlagwort(e): Biology ; Health ; Limnology ; Water supply ; Water treatment ; Bacteria ; Microbiological culture ; Bacterial counters ; Staining ; Growth curves ; France
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 54-62
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5324 | 1256 | 2011-09-29 15:05:13 | 5324 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Tastes and odours are amongst the few water quality standards immediately apparent to a consumer and, as a result, account for most consumer complaints about water quality. Although taste and odour problems can arise from a great many sources, from an operational point of view they are either ”predictable” or ”unpredictable”. The former - which include problems related to actinomycete and algal growth - have a tendency to occur in certain types of water under certain combinations of conditions, whereas the latter - typically chemical spills - can occur anywhere. Long-term control is one option for predictable problems, although biomanipulation on a large scale has had utile success. Detection and avoidance is a more practicable option for both predictable and unpredictable problems, particularly if the distribution network can be serviced from other sources. Where these are not feasible, then water treatment, typically using activated carbon, is possible. In general there is a reasonable understanding of what compounds cause taste and odour problems, and how to treat these. An efficient taste and odour control programme therefore relies ultimately on good management of existing resources. However, a number of problems lie outside the remit of water supply companies and will require more fundamental regulation of activities in the catchment.
    Schlagwort(e): Limnology ; Sociology ; Water supply ; Taste ; Odour ; Water treatment ; Fresh water ; Monitoring
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 71-80
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5333 | 1256 | 2011-09-29 15:04:52 | 5333 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Interest in the identification and characterisation of cyanobacteria and dinoflagellates in aquatic environments is increasing rapidly due to the perceived roles of these organisms in primary production and nuisance aspects in terms of water treatment and public health. Techniques for the identification and quantification of these organisms currently are limited, and the application of molecular approaches provides fundamental taxonomic information and techniques of practical value. Antigenic properties of algal cells may be useful taxonomic markers. Immunodetection techniques utilise the specificity of the antibody/antigen association as a probe for recognising and distinguishing between microorganisms according to their cell- surface chemistry. Immunofluorescent detection of unicellular cyanobacteria and dinoflagellates has been studied with success in marine and freshwater ecosystems and a range of techniques and results are presented and discussed. The most recent advances in the study of planktonic algae have come with the application of continuous flow cytometric methods (CFC). Flow cytometry makes use of the autofluorescence properties of the algal cells, which alone can be used to demonstrate their presence and permit their quantification in natural water samples. When used in conjunction with immunolabelling techniques, the potential of CFC analysis is broadened to study the serological/strain composition of plankters in natural populations. Changes in algal strains represented within and between waters over periods of time are reported and discussed, along with the ecological issues thus raised.
    Schlagwort(e): Ecology ; Limnology ; Bacteria ; Methodology ; Algae ; Plankton ; Immunology ; Detection ; Toxicity tests ; Immunofluorescence ; Synechococcus ; Alexandrium tamarens ; Prorocentrum micans
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 92-103
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5338 | 1256 | 2011-09-29 15:04:07 | 5338 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Protozoa feed on and regulate the abundance of most types of aquatic microorganisms, and they are an integral part of all aquatic microbial food webs. Being so small, aerobic protozoa thrive at low oxygen tensions, where they feed (largely unaffected by metazoan grazing) on the abundance of other microorganisms. In anaerobic environments, they are the only phagotrophic organisms, and they live in unique symbiotic consortia with methanogens, sulphate reducers and non-sulphur purple bacteria. The number of extant species of protozoa may be quite modest (the global number of ciliate species is estimated at 3000), and most of them probably have cosmopolitan distributions. This will undoubtedly make it easier to carry out further tasks, e.g. understanding the role of protozoan species diversity in the natural environment.
    Schlagwort(e): Ecology ; Limnology ; Oxygen depletion ; Distribution ; Species diversity ; Inland water environment ; Freshwater ecology ; Food webs ; Filter feeders ; Metabolism ; Protists
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 113-125
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5344 | 1256 | 2011-09-29 15:02:55 | 5344 | Freshwater Biological Association
    Publikationsdatum: 2021-07-10
    Beschreibung: Remarkably little has been published on the feeding habits of the non-salmonid fishes of British fresh waters. The following report briefly summarizes the results obtained from the examination of the stomach contents of some 2,700 fish, belonging to 19 species, which were obtained during 1939. The results of all examinations of gut contents were analysed, species by species, upon a simple basis of the presence of different types of food. Foodstuffs were divided up into six main categories— fish, molluscs, insects, crustaceans, higher plants together with filamentous algae, and diatoms—and the occurrence of members of any of these categories was recorded for each fish.
    Schlagwort(e): Biology ; Fisheries ; Limnology ; Coarse fish ; Feeding ; Feeding behaviour ; Fishery surveys ; Food organisms ; Gutting ; England
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 315-322
    Format: 33
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5343 | 1256 | 2011-09-29 15:02:34 | 5343 | Freshwater Biological Association
    Publikationsdatum: 2021-07-10
    Beschreibung: Invertebrate conservation relies not only on public support and political will, but also on possessing an adequate understanding of the distribution and ecology of invertebrate species and communities. In the UK, RIVPACS is making an important contribution to assessing the conservation importance of river invertebrate assemblages. So far, work has largely centred on using RIVPACS as an integral part of SERCON (System for Evaluating Rivers for Conservation), in which data collected using the standard RIVPACS method are interpreted with reference to conservation criteria such as species richness and representativeness. Applications of RIVPACS to other areas of conservation - whether providing information on the ecological requirements of rare species, monitoring the success of river restoration projects, or making broader assessments of sustainability - are probably more limited, but merit further examination. It is important to develop closer links between RIVPACS and techniques such as SERCON and RHS (River Habitat Survey) in order to maximise the benefit each can bring tostudies on conservation and biodiversity. It should also be recognised that there are limitations in transferring such systems to other countries where approaches to nature conservation may be very different.
    Schlagwort(e): Conservation ; Environment ; Limnology ; Classification systems ; Invertebrate larvae ; Rivers ; Computer programs ; Nature conservation ; Biodiversity ; Sustainability ; England
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 315-322
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5410 | 9 | 2011-09-29 14:59:49 | 5410 | Freshwater Biological Association
    Publikationsdatum: 2021-07-10
    Beschreibung: A supplement to the earlier bibliography compiled by Elliott and Tullett 1978 (FBA Occas. Publ. No. 4) covering literature from December 1977 - December 1982 on samplers that could be used for the rapid removal of benthic intertebrates from the natural substrata of rivers and streams. In addition it includes papers on marine samplers that have been or could be used in freshwater.
    Beschreibung: Original bibliography held as http://aquaticcommons.org/5275/
    Schlagwort(e): Ecology ; Limnology ; Benthos collecting devices ; Biological sampling ; Limnological equipment ; Samplers ; Invertebrate larvae ; Benthos ; Bibliographies
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 61
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    Freshwater Biological Association | Ambleside, UK
    In:  dis@fba.org.uk | http://aquaticcommons.org/id/eprint/9627 | 1256 | 2013-10-27 12:24:04 | 9627 | Freshwater Biological Association
    Publikationsdatum: 2021-07-07
    Beschreibung: Booklet telling the story of the FBA from its founding in 1929 until its Golden Jubilee in 1979. The booklet aimed to produce a readable account of those aspects of freshwater biology that have been among the main themes of the Association's research, as well as some aspects of its history and the philosophy guiding its foundation. The publication includes many images of the FBA's work and history as well as images and illustrations on lake ecology and applied science.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater scientists ; Freshwater sciences ; Limnology ; Organisations
    Repository-Name: AquaDocs
    Materialart: book , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 39
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    Museo de La Plata (MLP) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1884 | 196 | 2011-09-29 19:56:22 | 1884 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-10
    Beschreibung: Publicación de la lista de materiales depositados en la Colección de la Sección Zoológica del Museo de La Plata y sus localidades. (PDF tiene 13 paginas.)
    Beschreibung: Museo de La Plata (MLP)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: LAHILLE, F. 1895. Faunas locales argentinas. I. Lista de los pescados recogidos en los alrededores de La Plata (prov. de Bs. As.), durante el año 1894 y conservados en las colecciones del Museo de La Plata. Revista del Museo de La Plata, Argentina, 6: 265-274.
    Schlagwort(e): Biology ; Limnology ; Argentina ; La Plata River ; Buenos Aires Province ; Provincia de Buenos Aires ; Alrededores de La Plata ; Ichthyology ; Ictiología ; Collections ; Colecciones ; List ; Lista ; Localities ; Localidades
    Repository-Name: AquaDocs
    Materialart: article
    Format: application/pdf
    Format: application/pdf
    Format: 29-32
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    Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1904 | 196 | 2011-02-23 16:54:01 | 1904
    Publikationsdatum: 2021-07-11
    Beschreibung: La presente lista constituye un nuevo aporte a la información de los peces de agua dulce de la Argentina (López et al., 1981, 1982, 1986 y 1989). Por razones de economía de espacio, hemos variado el esquema seguido en las anteriores, no mencionamos los resúmenes de las diferentes reuniones, ni las especies citadas en el texto de los trabajos incluidos. Por otra parte, no consideramos las contribuciones de nuestros colegas uruguayos (con excepción de aquellas referidas a cuerpos de agua compartidos), ya que temimos caer en olvidos involuntarios que, con el tiempo, se transformen en situaciones enojosas. (PDF tiene 15 paginas.)
    Beschreibung: Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC)
    Beschreibung: Probiota: Programa para el estudio y uso sustentable de la biota austral - Serie Documentos Relacionados
    Beschreibung: Debe citarse: LÓPEZ, H. L.; R. C. MENNI & L. C. PROTOGINO. 1994. Bibliografía de los peces de agua dulce de Argentina. Suplemento 1993. Situación Ambiental de la Provincia de Buenos Aires. A. Recursos y rasgos naturales en la evaluación ambiental, CIC, La Plata, Argentina, 4(26): 1-20. ISSN 0327 5671. Fourth year.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Bibliography ; Bibliografía ; fishes ; peces ; agua dulce ; freshwater
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Instituto de Limnología "Dr. Raúl A. Ringuelet" (ILPLA) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1899 | 196 | 2018-05-10 14:47:54 | 1899
    Publikationsdatum: 2021-07-10
    Beschreibung: La presente lista bibliográfica complementa a la del primer número de la revista Biología Acuática editada por el Instituto de Limnología "Dr. Raúl A. Rinquelet" (ILPLA). (Document contains 24 pages)
    Beschreibung: Instituto de Limnología "Dr. Raúl A. Rinquelet" (ILPLA)
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral (ProBiota) - Serie Documentos Relacionados
    Beschreibung: Debe citarse: LÓPEZ, H. L.; R. C. MENNI & R. A. RINGUELET. 1982. Bibliografía de los peces de agua dulce de la Argentina y Uruguay. Supl. 1982. Biología Acuática, La Plata, Argentina, 3: 1-26. ISSN 0326 1638. Contribucion Cientifica N. 216. Deposited by: Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Uruguay ; Ichthyology-Ictiología ; Bibliography-Bibliografía ; Species list-Lista de especies
    Repository-Name: AquaDocs
    Materialart: monograph , TRUE
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1645 | 196 | 2011-09-29 20:14:36 | 1645 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Trabajo de contribución a la sistemática de peces carácidos, subfamilia Characinae. Género Cyrtocharax; su descripción.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: La cita deberá ser: Alonso de Arámburu, A. 1957.Nota sobre Cyrtocharax squamosus (Eigenmann y Kennedy) (Pisces: Characoidei). Notas del Museo de La Plata Zoologia, 19(170): 87-92. ProBiota - Serie Documentos Relacionados
    Schlagwort(e): Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Systematic ; Sistemática
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1646 | 196 | 2013-03-23 13:35:57 | 1646 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Este documento recuerda la figura de Mariano M. Martínez a diez años de su fallecimiento. Se han compilado los homenajes y semblanzas realizadas en ese período y se señalan algunas de sus importantes contribuciones. Los escritos de su padre, amigos y colegas nos describen su capacidad, bonhomía, generosidad y amor por la vida, lo que hizo de Mariano un individuo singular y carismático. Por esto, quién escribe estas líneas, considera que poco se puede agregar a lo ya dicho, ya que el conjunto nos brinda una acabada síntesis de su persona. Las Ciencias Naturales de la Argentina perdieron tempranamente a uno de sus estudiosos y los que tuvimos el privilegio de compartir momentos de su vida, tuvimos a un ser invalorable que recordamos con una profunda nostalgia. (PDF tiene 22 paginas.)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Documentos Historicos VIII Homenage a Mariano Manuel Martinez Part 1
    Schlagwort(e): Ecology ; Biology ; Limnology ; Environment ; limnologists ; Argentina ; Martinez ; Manuel Mariano
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1647 | 196 | 2013-05-07 12:40:20 | 1647 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Este libro pretende reunir la información disponible sobre la distribución geográfica precisa de los peces continentales del país. Hasta el momento esta información se encontraba dispersa en varios cientos de publicaciones, muchas de ellas díficiles de encontrar por ser antiguas, estar publicadas principalmente en revistas extranjeras que se reciben en unas pocas -o a veces ninguna- biblioteca o estar en publicaciones de difusión restringida. A raíz de lo anterior, esta tarea sólo pudo ser posible gracias a la colaboración de los autores de los trabajos recopilados, y en particular a la ayuda de la cátedra de Ictiología de la Universidad Nacional de La Plata que posee una gran mayoría de la bibliografía utilizada. Es mi intención continuar trabajando en la actualización permanentemente de esta base de datos. Por este motivo, y en la medida en que esta recopilación les resulte de utilidad, les solicito a todos los que trabajan en las distintas facetas, básicas y aplicadas, de la ictiología, que envíen copias de sus trabajos publicados a la dirección:ImpresosFundación OgaPrograma Conservación de Peces ContinentalesAlem 272 - 2900 San Nicolás de los ArroyosBuenos Aires, ArgentinaFormato eléctronicojliotta@fundacionoga.org.ar (PDF tiene 654 paginas.)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral) y Programa Conservación de Peces de Aguas Continentales
    Schlagwort(e): Biology ; Limnology ; fishes ; peces ; freshwater ; Argentina ; aguas continentales
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1650 | 196 | 2013-05-07 12:33:41 | 1650 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: En este documento se publica la conferencia inaugural del II Simposio de Ictiología: La Perspectiva Neotropical (II SIA), dictada por el Dr. Roberto Carlos Menni el día 23 de octubre de 2006 en el auditorio del Museo de La Plata.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Ecology ; Oceanography ; Biology ; Limnology ; Ictiología ; Argentina ; Ichthyology
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 58
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1654 | 196 | 2013-05-07 12:53:23 | 1654 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Prosiguiendo con la política de rescatar documentos que, por diferentes motivos, se han extraviado con el paso del tiempo, el Programa para el estudio y uso sustentable de la biota austral (ProBiota) reedita el primer y único boletín de la Asociación Limnológica y Oceanográfica Argentina (ALOA). Esta asociación pretendía convocar a los hidrobiólogos argentinos, pero interrumpió su camino a poco de iniciado en el año 1953. Los motivos de ese hecho los desconozco; aunque personalmente creo que, entre otras cosas, debe haber influido el quiebre institucional de 1955 cuando se profundizaron nuevamente las heridas en nuestra sociedad. No deja de ser paradójico que hoy, a casi cincuenta años de este suceso, la Asociación Argentina de Limnología (AAL) se encuentre en una situación similar luego de veinte años de trayectoria que se cumplirían en el mes de marzo del próximo año. Hasta 1998, fecha de su último congreso, tuvo un gran impulso generando importantes eventos nacionales e internacionales. Sin embargo, a partir de allí fue decayendo con rapidez y hoy se enfrenta a su inminente disolución. A mi entender, la reversión de este hecho sólo podría lograrse sobre la base del sacrificio personal y del conjunto, solidaridad y, sobre todo, respeto a la memoria de todos aquellos que construyeron las bases de la limnología nacional.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Oceanography ; Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Botany ; botánica ; Invertebrata ; Invertebrados
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1656 | 196 | 2013-05-07 12:46:38 | 1656 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Between 1981 and 1995, we published five bibliographic lists (López et al., 1981, 1982,1987, 1989 y 1995) that included the publications referred to Argentine freshwater fishes and related general information published since Ringuelet et al. (1967). We included Uruguayan papers until 1989, when it became apparent that our access to those materials was not complete. Other bibliographic collections were published on several subjects (López et al., 1991, 1993, y Ferriz et al., 1998). In the foreword to the 1995 list, López stated that it was difficult to assess the actual usefulness of the lists, since they were seldom quoted in research papers. This consideration, along with the wide success of electronic databases, caused us to discontinue the series, since its only goal had been to increase the knowledge and access to local research papers and foreign publications of interest to local researchers. Regrettably, our experience indicates that access to scientific literature is still, if not difficult, somewhat arbitrary. Apart from that, the continuous work on diverse research lines at División Zoología Vertebrados of Museo de La Plata leads to the accumulation of a multiplicity of information which may be sorted out for the use of others without much difficulty. At present, electronically-supported databases appear as the simplest way to do this. The future will show if this method is more efficient than the preceding one. In this issue we have included papers published between 1996 and 2002; and it is our purpose to update the list on a yearly basis. Papers included cover Argentine fish fauna and some related subjects of more general interest. Naturally, it is hardly surprising that some involuntary omissions will occur when addressing this subject. Any corrections and/or additions will be incorporated in following versions; and all information is most welcome.
    Beschreibung: ProBiota
    Beschreibung: División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Beschreibung: ProBiota, Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Bibliography ; Bibliografía ; Fishes ; Freshwater ; Peces ; Agua dulce
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 60
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1655 | 196 | 2013-05-07 12:47:48 | 1655 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: En 1987 publicamos una lista de los peces de agua dulce de la Argentina restringida a la información básica, por la que entendíamos los autores de géneros y especies con sus fecha, y las citas de los autores de trabajos que resultaban en modificaciones del catálogo de Ringuelet et al. (1967). A pesar de su modesta presentación (o quizá debido a ella), esa lista alcanzó una divulgación mucho más amplia que la esperada y fue evidente que los investigadores, docentes, funcionarios y alumnos, necesitan un esquema accesible del grupo que los alivie de la búsqueda permanente de las modificaciones taxonómicas, muchas de las cuales en los últimos tiempos han dejado de lado el saludable tono conservador del código de nomenclatura. Después de tres quinquenios la lista está bastante gastada y hemos recibido muchos pedidos de una nueva versión. Dos argumentos nos han decidido a rehacerla bastante en contra de nuestra disposición. La conciencia de que se trata de un trabajo de alguna utilidad como referencia y en temas aplicados, y la evidente circunstancia, curiosamente ignorada, de que las listas faunísticas constituyen la evaluación más inmediata y manejable de la biodiversidad. Esta es una observación que ofrecemos a los lectores y que es ciertamente paradójica; que se destinan enormes esfuerzos y gran cantidad de dinero a la organización de grupos de trabajo, simposios y jornadas sobre la diversidad, cuando ésta en general está a la vuelta de la esquina, en el permanente trabajo taxonómico y faunístico de decenas de investigadores que lo realizan habitualmente. A veces ni siquiera es necesario rastrearla en publicaciones dispersas, ya que parece estar en la naturaleza de los taxónomos preparar listas, catálogos y elencos, que habitualmente no son considerados relevantes como resultado de investigación. Queremos dejar en claro que esta lista, si bien está basada en las mejores fuentes accesibles, no es estrictamente un catálogo crítico, en el sentido que se hayan buscado todas las publicaciones originales, se hayan revisado materiales, o se haya llevado a cabo investigación original sobre todos los grupos. Cualquiera familiarizado con los peces, comprenderá que esa tarea no era posible en el nivel requerido por la taxonomía actual. Sin embargo, hemos buscado las publicaciones originales cuando las dudas excedían lo razonable y hemos revisado material original en nuestro trabajo personal con varios grupos. Las distribuciones se dan de una manera muy general, y se basan principalmente en Ringuelet et al. (1967), con el agregado de datos nuevos publicados que recogimos personalmente. En la consideración de las especies válidas, se han seguido los criterios de autores recientes y, cuando carecíamos de referencias particulares, se utilizaron el Catálogo de la Academia de ciencias de California (Esmeyer, 1998) y el Fish Data Base. Según Margalef, una de las funciones de la ciencia es proveer descripciones abreviadas de los fenómenos. Esta lista es una descripción abreviada de la diversidad de los peces continentales de la Argentina. Incluye todas las especies que se sabe que habitan el país, más unas cuantas que es posible qu4e lo hagan. Todos los cambios que han ocurrido desde la lista anterior están indicados con la referencia a los autores correspondientes. En muchos casos, hemos incluido nuestra opinión y en otros comentamos, con algún detalle, cual es el estado del conocimiento. Las disciplinas cambian, progresan y a veces también, retroceden. Rara vez son inmutables. Esta lista tampoco. (Lista PDF tiene 90 paginas; Indice Ordenes y Familias tiene17 paginas.)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Biology ; Limnology ; Argentina ; Continental Ichthyology ; Ictiología Continental ; Systematics ; Sistemática ; Distribution ; Distribución ; Peces ; Freshwater fishes
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 17
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1658 | 196 | 2013-05-07 12:44:33 | 1658 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: According to our statement in the previous editions of this list (1996-2002), we provide here an update to the year 2004, including, as always, some references omitted before. This bibliography is edited electronically, considering that this method assured a wider distribution, at least in the opinion sent us by some researchers. The increase, progressive in general, in the number of publications, is evident. It has been analysed by Gómez & Ferriz [2002 (2004)], using mainly the present series of compilations. A reading of this list shows a change, with a noticeable increase in the number of papers on molecular aspects and genetics, and also in conservations subjects. This, in our opinion, show real recent changes in approximations and technologies. We thankfully acknowledge to many authors for sending information about their works.
    Beschreibung: ProBiota
    Beschreibung: División Zoología Vertebrados, Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Bibliography ; Bibliografía ; Fishes ; Freshwater
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 62
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1670 | 196 | 2013-05-07 12:34:27 | 1670 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Presentamos aquí una lista actualizada de los condrictios (tiburones, rayas, quimeras y pez elefante) que han sido citados de la Argentina y Uruguay, incluyendo las especies de agua dulce de la familia Potamotrygonidae. Cuando una especie está presente en Argentina o en Uruguay, se lo indica a continuación de la especie; las demás, son compartidas. No se indica la distribución de las especies en otras áreas. Muchas de las especies conocidas de Uruguay terminan allí su distribución meridional, y ocasionalmente algunas entran a aguas argentinas y otras podrían hacerlo. Estas presencias ocasionales parecen no ser muy comunes. La progresiva disminución de las capturas de Dasyatis violacea con la disminución de temperatura hacia el sur ha sido demostrada (Domingo et al., 2005). En 1981 Menni publicó una lista de las familias de peces que no sobrepasaban la latitud del Río de La Plata, y de los condrictios mencionados, Orectolobidae, Ginglymostomatidae y Rhinopteridae, sólo una especie de la última familia ha sido citada en años recientes de Uruguay. Al contrario, especies que han sido citadas de la Argentina, como Sphyrna tudes de Mar del Plata por Berg (1895) o Narcine brasiliensis de la provincia de Buenos Aires por Lahille (1928), no han sido halladas de nuevo. La lista está basada en el catálogo crítico de Menni et al. (1984), y se han hecho las modificaciones taxonómicas necesarias y agregado las especies nuevas para el área. Debido al carácter práctico de esta lista, sólo se incluyen los autores de las especies y la fecha de su descripción. En los nuevos registros se agrega un breve comentario fundamentando la inclusión. Estando disponible el catálogo de Eschmeyer (1998) y su versión on-line, nos pareció que más detalles eran innecesarios. En la macrosistemática de los holocéfalos se sigue a Didier (2004), en la de los tiburones a Compagno (2005) y en la de los batoideos a McEachran & Aschliman (2004). Para las especies de Uruguay se ha seguido principalmente a Nion et al. (2002) y a Meneses y Paesch (1997), y deben mencionarse los trabajos anteriores de Ximénez (1962) y de Carrera (1991) que proveen referencias previas. La bibliografía se limita a trabajos generales que pueden ser de utilidad, los trabajos en que se basan las nuevas referencias, y los que corresponden a comentarios. No se han incluido numerosos trabajos sobre biología y ecología de estos organismos, que han modificado mucho la información resumida en Menni (1986), pero sí algunos que muestran cambios considerables de distribución. (PDF tiene 18 paginas.)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Oceanography ; Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Chondrichthyes ; Condrictios ; Systematics ; sistemática ; Distribution ; distribución ; sharks ; rays ; chimeras ; elephant fish ; tiburones ; rayas ; quimeras y pez elefante
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 63
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1774 | 196 | 2011-09-29 20:05:52 | 1774 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-10
    Beschreibung: Al estudiar la ictiofauna de agua dulce, especialmente la correspondiente al Paraná inferior, he encontrado en las colecciones del Museo de La Plata un lote de 20 ejemplares de la localidad de San Pedro (provincia de Buenos Aires)pertenecientes a la especie Auchenipterus nuchalis (Spix). Su descripción e ilustración. (PDF tiene 9 paginas.)
    Beschreibung: Museo de La Plata (MLP), Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral (ProBiota)
    Beschreibung: Deberá citarse: Alonso de Arámburu, Armonia S. 1957. Nota sobre Auchenipterus nuchalis (Spix) (Pisces: Siluroidei). Notas del Museo de La Plata Zoologia. v.19,no.179, pp 171-176.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Buenos Aires province ; provincia de Buenos Aires ; San Pedro ; Ichthyology ; Ictiología ; Systematic ; Sistemática
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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  • 64
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  hlópez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/1814 | 196 | 2013-05-07 12:25:38 | 1814 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-10
    Beschreibung: El Programa para el estudio y uso sustentable de la Biota Austral (Probiota), comoun modesto homenaje, rescata a cuarenta y cinco años de su publicación la iconografíaictiológica de la obra Recursos Acuáticos Vivos incluída en la Serie Evaluación de losRecursos Naturales de la Argentina y editada por el Consejo Federal de Inversiones(CFI) en 1963.Para la ejecución de esta obra el CFI contrató a los doctores Tomás L. Marini yRogelio B. López ; las ilustraciones de peces que se incluyen fueron preparadas por laProfesora Claudina Abella de López.Este es otro paso dirigido a la consolidación de nuestra disciplina, ya quemanteniendo siempre el recuerdo vivo del pasado lograremos afianzar el presente, loque nos permitirá planificar con fundamentos nuestro futuro.(PDF tiene 17 paginas.)
    Beschreibung: ProBiota, División Zoología Vertebrados (DZV), Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: This document was compiled by Hugo L. López and Justina Ponte Gómez.
    Schlagwort(e): Oceanography ; Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Freshwater ; Aguas continentales ; Oceanography ; Aguas marinas ; Iconography ; Iconografía
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 65
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1816 | 196 | 2011-09-29 20:01:27 | 1816 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-10
    Beschreibung: Debido a una revisión de la colección del Museo de La Plata he encontrado cuatro gimnótidos que a mi juicio corresponden a una nueva especie del género Porotergus Ellis. (PDF tiene 10 paginas.)
    Beschreibung: iencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: ALONSO DE ARÁMBURU, A. S. 1957. Porotergus ellisi. Una nueva subespecie de gimnótido de la Argentina (Pisces: Gymnotoidei). Notas del Museo, FCNyM, UNLP, La Plata, 19(177): 153-159. Serie Documentos Relacionados - ProBiota
    Schlagwort(e): Biology ; Limnology ; Argentina ; Paraná river ; Río Paraná ; Ichthyology ; Ictiología ; Systematic ; Sistemática ; Knifefish ; Gymnotidae
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 66
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2989 | 196 | 2021-02-27 19:52:45 | 2989 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: Este trabajo se basa en los muestreos sobre las percas (Percichthys sp) realizado entre los años 1955 a 1957 por María Luisa Fuster de Plaza y Enrique E. Boschi, ambos investigadores se desempañaban en el Departamento de Investigaciones Pesqueras de la Dirección Nacional dePesca, dependiente del Ministerio de Agricultura y Ganadería de la Nación de entonces. Las tareas se llevaron a cabo principalmente en varios cuerpos de agua léntica y lóticas de la región de la Patagonia Norte (Provincias de Río Negro, Neuquen y Chubut), y en la provincia de Mendoza. Consisten en datos morfométricos, desarrollo gonadal, fecundidad, contenidos alimenticios, planillas, dibujos, etc. de 80 ejemplares de percas. La autora tuvo a su cargo el análisis de los datos de esos muestreos y las comparaciones con estudios de material más reciente, correspondiente al lago Pellegrini, a partir de 1981.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: AMALFI, M. N. 2009. Consideraciones sobre las percas (Percichthys colhuapiensis y P.trucha) de la Patagonia norte - Años 1955 a 1957. Comparaciones con material de años recientes . ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos nº 10: 1-80. ISSN 1666-731X.
    Schlagwort(e): Biology ; Limnology ; Chemistry ; Argentina ; Patagonia ; Río Negro Province ; Provincia de Río Negro ; Neuquén Province ; Provincia de Neuquén ; Chubut Province ; Provincia de Chubut ; Mendoza Province ; Provincia de Mendoza ; Ichthyology ; Ictiología ; Morphometric dates ; Datos morfométricos ; Gonadal development ; Desarrollo gonadal ; Feeding ; Alimentación ; chemical parameters ; perch
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 67
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  hlópez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2993 | 196 | 2013-03-23 13:31:52 | 2993 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: Recopilación histórica de la ALAIH
    Beschreibung: ProBiota: Programa para el uso sustentable de la biota austral
    Beschreibung: Debe citarse: LÓPEZ, H. L & J. PONTE GÓMEZ (Comp.). 2010. Asociación Latino-Americana de Ictiólogos y Herpetólogos (ALAIH) . ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos 12: 1-47. ISSN 1666 731X.
    Schlagwort(e): Ecology ; Education ; Biology ; Limnology ; Information Management ; Latin America ; Argentina ; Association of Ichthyologists and Herpetologists ; Asociación de Ictiólogos y Herpetólogos ; Diffusion-Difusión
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 47
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  • 68
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2991 | 196 | 2013-03-23 13:28:25 | 2991 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: Este año se cumplieron veinticinco años de la creación de la Asociación Argentina de Limnología. En 1984, en la vieja aula magna de la Facultad de Ciencias Naturales y Museo (en esa época esta unidad académica funcionaba en las instalaciones del Museo de La Plata) un conjunto de mujeres y hombres relacionados con esta disciplina concretaban ese ansiado anhelo aprobando los fundamentos de su formación y eligiendo su primer comisión directiva.Los años siguientes fueron de gran impulso concretando la realización de talleres reuniones, ediciones de boletines y una gran comunicación entre sus asociados. En 1991 se realiza la primer reunión internacional en la ciudad de La Plata con gran repercusión y convocatoria, posteriormente se hacen los congresos de 1994 y 1998 en la ciudades deTucumán y Buenos Aires respectivamente. A partir de esta fecha comienza a diluirse la actividad de la asociación para desaparecer en los primeros años del presente siglo. Noobstante, ya sin el marco de la asociación, se realizan congresos en 2004 y 2008, en las ciudades de Chascomús y San Carlos de Bariloche respectivamente, con singular éxito.Este archivo es una pequeña muestra de algo que unió a un grupo de profesionales con un objetivo común: el desarrollo y proyección regional de esta disciplina. A simple vista lo podríamos calificar de un nuevo fracaso, ya que tuvo el mismo fin de la ALOA (Asociación Limnológica y Oceanográfica Argentina), pero no sería totalmente cierto,ya que la magnitud de las últimas reuniones nos indica que el crecimiento de esta ciencia es importante. Por ello, me parece adecuado que dejemos a un sociólogo y un historiadorde la ciencia la interpretación de este fragmento de la rica historia del “limnobios” en nuestro país.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: LÓPEZ, H. L & J. PONTE GÓMEZ (Comp.). 2009. Asociación Argentina de Limnología (AAL). ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos 11: 1-80. ISSN 1666-731X.
    Schlagwort(e): Education ; Information Management ; Limnology ; Environment ; Argentina ; Argentine Limnological Asociation-Asociación Argentina de Limnología ; Diffusion-Difusión
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 69
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    Facultad de Ciencias Naturales y Museo, UNLP | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2826 | 196 | 2013-03-16 14:06:44 | 2826 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-28
    Beschreibung: Biología pesquera de agua dulce.Curso 1990.Ictiología Continental Argentina. Curso de posgrado 2000.Ictiología Continental Argentina. Curso de posgrado 2002.pdf contains 147 pages.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: LÓPEZ, H. L. & J. PONTE GÓMEZ (Comp.). 2009. Cursos de Ictiología. ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos nº 6: 1-147. ISSN 1666-731X.
    Schlagwort(e): Ecology ; Conservation ; Management ; Education ; Fisheries ; Biology ; Limnology ; Environment ; Argentina ; Ichthyology ; Ictiología ; Fishing Biology ; Biología Pesquera ; Taxonomy ; Taxonomía ; Ecophisiology ; Ecofisiología ; Arts of fishing ; Artes de Pesca ; Fishing Resources ; Recursos Pesqueros ; Reproductive Biology ; Biología Reproductiva ; Bioenergy ; Bioenergía ; Ichthyopatology ; Ictiopatología ; Zoogeography ; Zoogeografía ; Ecology ; Ecología ; Trophic Relations ; Relaciones tróficas ; Wetlands Management ; Manejo de Humedales
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    Instituto de Limnología "Dr. Raúl A. Ringuelet" (ILPLA) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1898 | 196 | 2010-12-09 16:06:58 | 1898
    Publikationsdatum: 2021-07-10
    Beschreibung: Document contains 82 pages.
    Beschreibung: Instituto de Limnología "Dr. Raúl A. Ringuelet"
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral (ProBiota) - Serie Documentos Relacionados
    Beschreibung: Debe citarse: LÓPEZ, H. L.; R. C. MENNI & R. A. RINGUELET. 1981. Bibliografía de los peces de agua dulce de Argentina y Uruguay. 1967-1981. Biología Acuática, La Plata, Argentina, 1: 1-100. ISSN 0326 1638. Deposited by: Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Uruguay ; Ichthyology-Ictiología ; Bibliography-Bibliografía ; Species list-Lista de especies
    Repository-Name: AquaDocs
    Materialart: monograph , TRUE
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    Ministerio de Asuntos Agrarios y Pesca | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1906 | 196 | 2010-12-09 16:07:00 | 1906
    Publikationsdatum: 2021-07-11
    Beschreibung: La presente lista constituye el tercer suplemento a las bibliografías de los peces de Agua Dulce de la Argentina y Uruguay (López et al., 1981, 1982, 1986). Los criterios que sustentan la inclusión de los trabajos son los señalados en 1981. Se incluyen en este trabajo los artículos posteriores a 1986 y los que han pasadoinadvertidos en las anteriores. Se mencionan las especies citadas, salvo cuando figuran en el título del trabajo o su número es excesivo. (PDF tiene 36 paginas.)
    Beschreibung: Dirección de Explotaciones Comerciales no Tradicionales de la Provincia de Buenos Aires
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral (ProBiota) - Serie Documentos Relacionados
    Beschreibung: Debe citarse: LOPEZ, H. L.; R. C. MENNI & R. A. RINGUELET. 1989. Bibliografía de los peces de agua dulce de Argentina y Uruguay. Sup. 1988. Dir. Exp. Com., Min. Asuntos Agrar. y Pesca, Buenos Aires, Argentina: 1-42.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Uruguay ; Ichthyology-Ictiología ; Bibliography-Bibliografía
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    Materialart: monograph
    Format: application/pdf
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    Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1905 | 196 | 2010-12-09 16:07:00 | 1905
    Publikationsdatum: 2021-07-11
    Beschreibung: Esta bibliografía es una prueba del interés que el pejerrey ha generado en la ciencia y en la cultura.En esta publicación se compiló medio millar de citas entre las que se incluyen todos los trabajos, tesis e informes técnicos realizados en nuestro país, y algunos de aquellos países donde los pejerreyes fueron introducidos. En la mayoría de los casos se señalan las especies mencionadas en cada obra, salvo cuando estas figuran directamente en el título.
    Beschreibung: Comisión de Investigaciones Científicas de la Provincia de Buenos Aires (CIC)
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: LÓPEZ, H. L; M. L. GARCÍA & C. TOGO. 1991. Bibliografía de los pejerreyes argentinos de agua dulce, Situación Ambiental de la Provincia de Buenos Aires A. Recursos y rasgos naturales en la evaluación ambiental, CIC, La Plata, Argentina, 1(6): 1-72. ISSN 0327-5671. First annual report.
    Schlagwort(e): Biology ; Limnology ; Argentina ; Ichthyology ; Ictiología ; Silverside ; Pejerrey ; Bibliography ; fish ; peces
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    Materialart: monograph
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    Editorial de la Universidad de La Plata, | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1910 | 196 | 2020-08-23 05:50:25 | 1910 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-11
    Beschreibung: The fishing resources of the Salado Basin are extraordinary important in the context of the inland waters of Argentina. However, the diversity of landscapes in the basin and the lack of continuity in the regional planning , have made difficult a proper management of the fishing resources. This paper has a general overview of the main aspects related to the fishing fauna of the region, with a natural point of view of the processes and mechanisms of the management. A description of the fishes basin community and the identification of the species with commercial and game interests is included . We describe the different fishing gears used in the province for game, commercial and scientific fishing. We review the criteria of diagnosis of the silver side population as a main resource of fishing interest and under this point of view we propose new outlooks to promote a proper management of the resources and its sustainable use.We identify the different kinds of fisheries that are common in the basin and we make a survey of the related socioeconomic aspects. Moreover, we analyze the development of a new institutional and regulatory frame in order to optimize the management of the fishing resources. Finally, we define criteria for ordering and conserving such resources and identify conflict points and requirements for its sustainable use in the context of newproposals for the public policies.
    Beschreibung: Programa para el estudio y uso sustentable de la biota austral (ProBiota) -Serie Documentos Relacionados
    Beschreibung: Debe citarse: LÓPEZ, H. L.; C. R. M. BAIGÚN, J. M. IWASKIW; R. L. DELFINO & O. H. PADÍN. 2001. La cuenca del Salado: uso y posibilidades de sus recursos pesqueros, Editorial de la Universidad de La Plata, Serie Ambiente y Desarrollo 1, La Plata, Argentina, 75 pp. ISBN 950-34-0221-2.
    Schlagwort(e): Management ; Conservation ; Law ; Fisheries ; Biology ; Limnology ; Environment ; Policies ; Argentina ; Buenos Aires province ; Provincia de Buenos Aires ; Salado Basin ; Cuenca del Salado ; Fishing communities ; Comunidades de peces ; Conservation ; Conservación ; Biversity ; Biodiversidad ; Game and commercial fisheries ; Pesquerías recreativas y comerciales ; Fishing yield ; Management of Fishing resources ; Recursos pesqueros ; Institutional aspects ; Aspectos institucionales
    Repository-Name: AquaDocs
    Materialart: book , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 75
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1593 | 196 | 2013-05-07 12:38:01 | 1593 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: (Text in Spanish. PDF contains 77 pages.)
    Beschreibung: ProBiota, FCNyM, UNLP
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Education ; Limnology ; Argentina ; limnologists ; limnologos ; biographies
    Repository-Name: AquaDocs
    Materialart: monograph
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    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1595 | 196 | 2013-05-07 12:45:41 | 1595 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: ProBiota, DZV, FCNyM, UNLP
    Beschreibung: ProBiot:a: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Education ; Associations ; Events ; Limnology ; Oceanography ; limnologica ; natural history ; Argentina
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 36
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1596 | 196 | 2013-05-07 12:41:37 | 1596 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: La evolución científica queda documentada en publicaciones. Todas contribuyen al enriquecimiento y la transferencia del conocimiento, pero algunas hacen historia o marcan un paso importante en los avances de ramas de la ciencia. En esta sección se presenta la imagen de tapa de algunas obras, documentos y trabajos, y se mencionan además parte de las revistas que difundieron la actividad limnológica de nuestro país.
    Beschreibung: ProBiota, DZV, FCNyM, UNLP
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Schlagwort(e): Ecology ; Conservation ; Management ; Biology ; Limnology ; Environment ; limnology ; Argentina ; limnológica
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 42
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1614 | 196 | 2013-05-07 12:29:43 | 1614 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: En el transcurso del año 2007 se cumplieron cuarenta años de la publicación de la obra Los peces argentinos de agua dulce de Raúl A. Ringuelet, Raúl H. Arámburu y Armonía Alonso de Arámburu, la que representó un hito dentro de la ictiología nacional y regional. Por este motivo, el Programa para el estudio y uso sustentable de la Biota Austral Probiota), como un modesto homenaje a sus autores, quiere rescatar parte de la misma, ya que su reedición total para nosotros es hoy un objetivo imposible de cumplir. Para ello, hemos elegido reproducir su iconografía la cuál esta compuesta de 10 láminas y 37 figuras cuyos autores fueron A. Alonso de Arámburu, Carmen Castellano, Irma Cicchini, María E. Costa, María L. Fuster, E. Maristany, Ana Thörmalen y Carlos. A. Tremouilles. En este documento se agrupan las láminas en una primera sección y posteriormente las figuras, para finalizar con un apéndice que contiene la lista de las especies mencionadas con su sistemática actualizada. Este es otro paso dirigido a la consolidación de nuestra disciplina, ya que manteniendo siempre el recuerdo vivo del pasado lograremos afianzar el presente, lo que nos permitirá planificar con fundamentos nuestro futuro. (PDF tiene 60 paginas.)
    Beschreibung: ProBiota: Programa para es estudio y uso sustentable de la biota austral
    Schlagwort(e): Biology ; Limnology ; freshwater fishes ; Argentina
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo (FCNyM), UNLP | La Plata, Argentina
    In:  hlópez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2986 | 196 | 2013-03-16 14:07:56 | 2986 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: Por los problemas ocasionados en el deterioro del lago, en la pesca comercial y deportiva, se planteó como objetivo el estudio de las características limnológicas del ambiente relacionando la situación actual con la de años anteriores y además con los aportes exógenos que recibe el ecosistema. Se realizaron monitoreos de calidad físico-química del agua, nutrientes y plancton del lago y su influencia sobre el recurso pesquero, relacionando las capturas reales con los altos rendimientos pesqueros teóricos determinados en base a parámetros químicos, biológicos y morfoedáficos. Los resultados comprueban una disminución de la productividad secundaria y la población de peces, entre otros problemas deeutrofización. Se estudian distintas posibilidades para revertir esta tendencia del lago y recuperar e impulsar la pesquería comercial y deportiva.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: AMALFI M. & B. V. VERNIÈRE. 2009. Efectos de la eutrofizacion sobre la pesca en el lago Pellegrini. ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos nº 8: 1-16. ISSN 1666-731X.
    Schlagwort(e): Ecology ; Fisheries ; Pollution ; Biology ; Limnology ; Environment ; Chemistry ; Argentina ; Ichthyology ; Ictiología ; Fisheries biology ; Biología Pesquera ; Physical Chemical parameters ; Parámetros Fíco-químcos ; Pedology ; Edafología ; Plankton ; Plancton ; Commercial fishing ; Lake Pelligrini ; lago Pelligrini
    Repository-Name: AquaDocs
    Materialart: monograph
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    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo, UNLP | La Plata, Argentina
    In:  hlopez@fcnym.unlp.edu.ar | http://aquaticcommons.org/id/eprint/2985 | 196 | 2013-03-16 14:09:20 | 2985 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: Este trabajo trata el estudio biológico del lago Pellegrini y las características limnológicas del ambiente desde el punto de vista pesquero y turístico en el lapso 1980-1998. Se realizaron monitoreos quincenales de calidad de agua y mensuales de plancton, plaguicidas, bacteriológicos, etc. en estaciones de muestreo situadas en el lago propiamente dicho, en el afluente y alrededores. Se analizan los problemas de eutrofización presentes, en la búsqueda de ensayos que disminuyan el deterioro del ecosistema. Los resultados comprueban un proceso de eutrofización natural, agravado por la actividad humana, con florecimientos de algas cianobacterias (Géneros Microcystis y Anabaena) y una disminución de la productividad secundaria y en la población íctica.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: AMALFI, M. 2009. Lago Pellegrini. Caracteristicas limnologicas. ProBiota, FCNyM, UNLP, La Plata, Argentina, Serie Documentos nº 7: 1-64. ISSN 1666-731X.
    Schlagwort(e): Ecology ; Fisheries ; Pollution ; Biology ; Limnology ; Environment ; Argentina ; Ichthyology ; Ictiología ; Fisheries Biology ; Biología Pesquera ; Impact ; Impacto
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/2988 | 196 | 2013-03-18 21:11:28 | 2988 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-06-30
    Beschreibung: El objetivo es definir las variables biológicas del pejerrey (Odonthesthes bonariensis)de las lagunas del sistema para detectar el posible impacto de las obras hidraúlicas proyectadas en la región y evaluar las características de transición del área estudiada desde el punto de vista de la composición ictiofaunística.El presente artículo es una reedición del generado por el Departamento Científico Zoología Vertebrados (actual División Zoología Vertebrados), FCNyM, UNLP, en noviembre de 1993.El anexo 7.1-Fotografías fue omitido debido a la mala calidad de las imágenes.
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse. LÓPEZ, H. L.; O. H. PADIN & J. M. IWASZKIW. 1993(2009). Biología pesquera de las lagunas Encadenadas del Sudoeste, provincia de Buenos Aires. ProBiota, FCNyM, UNLP,La Plata, Argentina, Serie Documentos nº 9: 1-110. ISSN 1666-731X.
    Schlagwort(e): Ecology ; Biology ; Limnology ; Chemistry ; Argentina ; Buenos Aires province ; Provincia de Buenos Aires ; Encadenadas del Sudoeste ponds ; lagunas Encadenadas del Sudoeste ; Ichthyology ; Ictiología ; Fishing Biology ; Biología Pesquera ; Ichthyopatology ; Ictiopatología ; Taxonomy ; Taxonomía ; Feeding ; Alimentación ; Plankton ; Plancton ; Others vertebrates ; Otros vertebrados ; Zoogeography ; Zoogeografía
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 110
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1590 | 196 | 2011-09-29 20:19:43 | 1590 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: Un estudio de los clupeidos de las colecciones del Museo de La Plata y revisión de las especies del género Clupea en ambientes lénticos de la provincia de Buenos Aires, Argentina. Determinación de una nueva subespecie.(PDF tiene 14 paginas.)
    Beschreibung: Museo de La Plata (MLP), Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP)
    Beschreibung: ProBiota: Programa para el estudio y uso sustentable de la biota austral
    Beschreibung: Debe citarse: ALONSO DE ARÁMBURU, A. S. 1961. Notas Ictiológicas nº 1. Una nueva subespecie de clupeido (Clupea melanostoma limnoica n. sbsp.) de aguas interiores bonaerenses. Notas del Museo de La Plata Zoología, 20(186): 1-11. Serie Documentos Relacionados - ProBiota Notas Ictiológicas ; no. 1
    Schlagwort(e): Biology ; Limnology ; Argentina ; Buenos Aires province ; Provincia de Buenos Aires ; Ichthyology ; Ictiología ; Systematic ; Sistemática
    Repository-Name: AquaDocs
    Materialart: article
    Format: application/pdf
    Format: application/pdf
    Format: 1-11
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    Facultad de Ciencias Naturales, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1868 | 196 | 2010-12-09 16:06:28 | 1868 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-10
    Beschreibung: Este trabajo surge de la monografía realizada por el autor para optar al título de Doctor en Ciencias Naturales de la Facultad de Ciencias Naturales y Museo, UNLP y trata sobre el pez sudamericano Salminus maxillosus Cuv. y Val., conocido popularmente bajo el nombre de "Dorado", (PDF tiene 72 paginas.)
    Beschreibung: Museo de La Plata (MLP), Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP)
    Beschreibung: ProBiota : Programa para el estudio y uso sustentable de la biota austral) - Serie Documentos Relacionados
    Beschreibung: Debe citarse: FUSTER DE PLAZA, M. L. 1950. Una contribución al conocimiento del Dorado (Salminus maxillosus Cuv. y Val.). Revista del Museo de La Plata (Nueva Serie), La Plata, Argentina, VI: 171-214, 1 tab., 2 lám. Series: Seccion Zoología nº 40
    Schlagwort(e): Biology ; Limnology ; South America ; Sudamérica ; Ichthyology ; Ictiología ; Systematic ; Sistemática ; Biogeography ; Biogeografía ; Anatomy ; Anatomía ; Osteology ; Osteología ; Lepidology ; Lepidología ; Jaw characin ; Salminus brasiliensis ; Salminus maxillosus ; Fish ; Peces
    Repository-Name: AquaDocs
    Materialart: article
    Format: application/pdf
    Format: application/pdf
    Format: 171-214
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    Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1581 | 196 | 2013-05-07 12:54:48 | 1581 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-09
    Beschreibung: "Peces anuales" son los especies con un cortociclo de vida, adaptadas a sobrevivir en aguastemporarias.
    Beschreibung: Hugo Luis López, J. V. Crisci & J. A. Schnack
    Beschreibung: ProBiota: Programa para el Estudio y Uso Sustentable de la Biota Austral
    Schlagwort(e): Conservation ; Education ; Biology ; Limnology ; Argentina ; fishes ; Rivulidae
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 3
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    Instituto de Limnología "Dr. Raúl A. Ringuelet" (ILPLA) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1889 | 196 | 2011-09-29 19:56:57 | 1889
    Publikationsdatum: 2021-07-10
    Beschreibung: Lista de trabajos limnológicos de la Argentina durante el período 1961-1978.
    Beschreibung: Instituto de Limnología "Dr. Raúl A. Ringuelet" (ILPLA"-CONICET
    Beschreibung: ProBiota : Programa para el estudio y uso sustentable de la biota austral) - Serie Documentos Relacionados
    Beschreibung: Debe citarse: López, H. L. (Ed.). 1988. Bibliografía limnológica argentina. 1961-1978. Biología Acuática, La Plata, Argentina, 13: 1-136. ISSN: 0326-1638. Deposited by: Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Schlagwort(e): Biology ; Limnology ; Argentina ; Bibliography ; Bibliografía ; List ; Lista ; Limnología ; Limnology
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
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    Facultad de Ciencias Naturales y Museo (FCNyM), Universidad Nacional de La Plata (UNLP) | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1912 | 196 | 2020-08-23 05:49:16 | 1912 | Facultad de Ciencias Naturales y Museo, Universidad Nacional de La Plata
    Publikationsdatum: 2021-07-11
    Beschreibung: La Facultad de Ciencias Naturales y Museo, a través de la División Zoología Vertebrados, el Programa para el Estudio y Uso Sustentable de la Biota Austral (ProBiota) y las cátedras de Biogeografía e Ictiología, convoca al I Simposio Ictiología de la Argentina: Biodiversidad y Biogeografía que tiene como eje central el tratamiento de un tema de gran importancia e interés en el campo de la Zoología. (PDF tiene 25 paginas.)
    Beschreibung: Fundación Museo de La Plata "Francisco Pascasio Moreno"; Fundación Vida Silvestre; Proyecto Marino Patagónico; Secretaría de Ambiente y Desarrollo Sustentable de la Nación
    Beschreibung: Probiota: Programa para el estudio y uso sustentable de la Biota Austral - Serie Documentos Relacionados
    Beschreibung: Debe citarse: LÓPEZ, H. L. (Ed.). 2005. Resúmenes de Conferencias. I Simposio Ictiología de la Argentina: Biodiversidad y Biogeografía, La Plata, Argentina, 8 y 9 de setiembre.: 1-20.
    Schlagwort(e): Management ; Oceanography ; Biology ; Limnology ; Policies ; Argentina ; Ichthyology ; Ictiología ; Biodiversity ; Biodiversidad ; Biogeography ; Biogeografía ; Conferences
    Repository-Name: AquaDocs
    Materialart: other
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    Format: application/pdf
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    Dirección de Desarrollo Pesquero, Subsecretaría de Actividades Pesqueras y Desarrollo del Delta, MAA, Gobierno de la Provincia de Buenos Aires | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1913 | 196 | 2010-12-09 16:07:03 | 1913
    Publikationsdatum: 2021-07-11
    Beschreibung: La División de Zoología de Vertebrados de la Facultad de Ciencias Naturales de la Universidad Nacional de La Plata y la Secretaria de Ambiente y Desarrollo Sustentable de laNación a través de su Proyecto Marino Patagónico, han tomado esta responsabilidad con el convencimiento de la necesidad de contar con nuevos escenarios para el encuentro de profesionales de la especialidad. El intercambio de experiencias desde las distintas especialidades, el reconocimiento de las fortalezas y debilidades para el desarrollo de proyectos, el intercambio de ideas sobre los vacíos de información y la disponibilidad de recursos financieros, constituyen algunos de los elementos esenciales para el fortalecimiento de la investigación y el desarrollo tecnológico nacional y regional. (PDF tiene 28 paginas.)
    Beschreibung: Fundación Museo de La Plata "Francisco Pascasio Moreno"; Subsecretaría de Pesca y Acuicultura de la Secretaría de Agricultura, Ganadería, Pesca y Alimentos de la Nación; Dirección de Desarrollo Pesquero, SAPyDD, MAA
    Beschreibung: Debe citarse: LÓPEZ, H. L. (Ed.). 2006. Resúmenes de Conferencias y Mesas. II Simposio Ictiología de la Argentina: La perspectiva Neotropical (II SIA), La Plata, Argentina, 23-25 de octubre: 1-41.
    Schlagwort(e): Management ; Conservation ; Oceanography ; Policies ; Ecology ; Fisheries ; Biology ; Aquaculture ; Limnology ; Environment ; Planning ; Argentina ; Ichthyology ; Ictiología ; History ; Historia ; Cytogenetic ; Citogenética ; Biodiversity ; Biodiversidad ; Biogeography ; Biogeografía ; Ichthyoplancton ; Ictioplancton ; Fluvial systems ; Sistemas fluviales ; Migrations ; Migraciones
    Repository-Name: AquaDocs
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    Universidad Nacional de la Plata | La Plata, Argentina
    In:  http://aquaticcommons.org/id/eprint/1923 | 196 | 2015-06-01 17:44:42 | 1923 | Universidad Nacional de Mar del Plata
    Publikationsdatum: 2021-07-11
    Schlagwort(e): Oceanography ; Biology ; Limnology
    Repository-Name: AquaDocs
    Materialart: book_section , TRUE
    Format: application/pdf
    Format: application/pdf
    Format: 95-118
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  • 88
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5158 | 3949 | 2011-09-29 15:19:31 | 5158 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: The pike (Esox lucius) year classes are more stable than those of the perch (Perca fluviatilis), and have been shown to be closely correlated with temp conditions during the first few months of life. The perch year class strengths have been more variable; for success they require the presence of several positive conditions and the absence of many adverse conditions which could cause failure, a favourable combination of circumstances rarely occurs. The conclusions refer only to Windermere from 1941-1964.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Age composition ; Esox lucius ; Perca fluviatilis ; England ; Lake District ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5159 | 3949 | 2011-09-29 15:19:33 | 5159 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: This review summarizes the findings of 5 years' research (June 1970-June 1975) on the meres of the Shropshire-Cheshire Plain. A mere is a small, shallow lake; supplied principally by ground water, whose chemical composition is infkuenced by the glacial frift through which it is percolating. The seasonal periodicity of the phytoplankton in the meres involved work mainly in the Grose Mere. Here diatoms were typically dominant in Feb & March, green algae in April & May, blue-green algae in early summer and dinoflagellates in late summer. This pattern is broadly similar from year to year, and has been suggested to be representative of a 'regional type'; it is also similar to that described for many of the world's mildly eutrophic temperate lakes. Vertical distribution of phytoplankton is influenced by their buoyancy (or lack of it) of by their ability to swim. A stylized depth-time distribution of 4 major phytoplankton components in Crose Mere is given diagrammatically.
    Schlagwort(e): Ecology ; Environment ; Limnology ; Freshwater ecology ; phytoplankton ; England ; Cheshire ; Shropshire ; Annual Report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
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  • 90
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5175 | 3949 | 2011-09-29 15:19:19 | 5175 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Limnetic crustaceans (i.e. those which live in the open water of lakes and ponds) were investigated in Esthwaite water and adjacent lakes. These are represented by two groups, Copepoda and Cladocera.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater crustaceans ; Zooplankton ; Lakes ; Cladocera ; England ; Esthwaite Water ; Annual report
    Repository-Name: AquaDocs
    Materialart: book_section , FALSE
    Format: application/pdf
    Format: application/pdf
    Format: 70-73
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5126 | 1256 | 2011-09-29 15:23:16 | 5126 | Freshwater Biological Association
    Publikationsdatum: 2021-07-08
    Beschreibung: This short interim progress report builds on previous progress reports which have described the quantification of the process both within and between lakes of different degrees of eutrophication. These data indicated that slight changes in methodology, particularly when investigating sediment deposits, could grossly affect the measured activity. The aim of the present research was an attempt to rationalize these differences. If this could be achieved it would enable meaningful interpretation of published data obtained using different methods and therefore enlarge the available database. In addition some observations have been made on the production of nitrite by Grasmere profundal sediment slurries sampled during the circulation period.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater lakes ; Nitrification ; Sedimentation ; Ammonia ; Slurries ; England ; Grasmere Lake
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 2
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  • 92
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5206 | 1256 | 2011-09-29 15:16:23 | 5206 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The current situation of regional, rather' than national, problems of eutrophication in standing waters has been widely aired in recent reports. A reliable, quantitative data base is a prerequisite to future trend monitoring, a concensus view of those reports. The objective of this report is to establish requirements, methodology and a minimal data set for nutrient and algae status in water supply reservoirs in England which may be used as a protocol for future trend monitoring.A pilot study has been carried out to assess the relative merits of different sampling strategies, the choice of which has major implications for the cost of sample collection. This short report suggests that consider the possibility of designating a few sites as ”baseline sites” at which detailed changes in trophic status as monitored by the more labour-intensive parameters would be collected on a regular, long term basis to help in the interpretation of the low cost survey results.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Freshwater lakes ; Eutrophication ; Monitoring ; Surveying ; England ; Grasmere Lake
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 2
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  • 93
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5208 | 1256 | 2011-09-29 15:16:34 | 5208 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: This project investigated the production of nitrate (nitrification) by bacteria in lakes. The work was undertaken as nitrification is a key process in the nitrogen cycle and previous estimates of rates of nitrification were unreliable. When different methods were used to estimate rates of nitrification within sediment deposits different results were obtained. Investigation' of specific aspects of these methodologies has allowed some rationalization of these observations and also enabled comparisons of previously published data which, beforehand, was not possible. However, it was not clear which methods gave the most reliable rate estimates. Calculation of a nitrate budget for Grasmere lake indicated that the use of methods which involved the mixing of surface sediments (and therefore disrupted preformed nutrient gradients) overestimated the rate of nitrification. The study concludes that slight changes in the method used to prepare sediment slurries can result in large changes, in the measured nitrifying activity. This makes comparisons between studies, using different methods, extremely difficult. Methods to study sediment nitrification processes which do not disrupt preformed substrate gradients within the sediment provide the most reliable rate estimates.
    Schlagwort(e): Ecology ; Limnology ; Bacteria ; Nitrification ; Freshwater lakes ; Sediment samples ; Slurries ; Seasonal variations ; Methodology ; England ; Grasmere Lake
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 47
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5210 | 1256 | 2011-09-29 15:16:44 | 5210 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The objective of this short project progress report is to investigate the possible water quality implications of modern watercress growing practices. Chalk receiving watercourses are usually of high supply, amenity, game fishing and fish farming value. Any headwater pollution load, therefore, needs characterising and quantifying. Two sites of watercress farming were studied in 1986-87 and nutrient levels examined. Different approaches of watercress farmers in Dorset and Hampshire are summarised.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Rivers ; Aquaculture ; Aquaculture enterprises ; Aquaculture techniques ; Nutrients (mineral) ; England
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 3
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5212 | 1256 | 2011-09-29 15:14:35 | 5212 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Changes in management practices and agricultural productivity over the past twenty years have lead to nitrate pollution and eutrophication of lakes and rivers. Information on nitrate concentrations and discharge has been collected on the River Frome at East Stoke since 1965, using the same analytical nitrate method so that the results are comparable. These records of weekly spot values of nitrate concentration and daily mean discharges have been analysed for trends and seasonal patterns in both concentration and nitrate loadings. In this extension of our nitrate contract, a new automated method of intensive sampling has been used to monitor short-term variability and to assess how well similar routine (weekly) sampling schemes can represent the true nitrate record.
    Schlagwort(e): Ecology ; Limnology ; River discharge ; Rivers ; Automated recording ; Nitrates ; Modelling ; England ; Frome River
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 53
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  • 96
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5213 | 1256 | 2011-09-29 15:14:36 | 5213 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Sampling was concentrated on the North Moor region and the series of ditches which drained this area to the Bristol Channel. Although most ditches were not deep the mud substratum precluded sampling from within the habitat. All samples were taken with a pond net from the banks. Efforts were made to sample each part of the habitat although in some ditches the macrophyte growth was so intense as to make sampling difficult particularly of the sediments. Organisms were identified on the 10 sampling sites.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Trenching ; Biological sampling ; Identification ; Biological surveys ; England ; Somerset
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 53
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  • 97
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5209 | 1256 | 2011-09-29 15:16:40 | 5209 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The objective of this short project progress report is to investigate, in a catchment on which earlier nitrate data are available for comparison, seasonality and budgets, in relation to land use, of nitrate inputs, concentrations and loads. Sampling was undertaken from 1984-87 in the River Frome catchment and data on nitrate concentrations analysed.
    Schlagwort(e): Ecology ; Limnology ; Rivers ; Catchment area ; Nitrates ; Nitrification ; Nitrites ; Environmental monitoring ; England ; Frome Lake
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 2
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  • 98
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5207 | 1256 | 2011-09-29 15:16:29 | 5207 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: A good understanding of the population dynamics of algal communities is vital in many ecological and pollution studies of freshwater and oceanic systems. Present methods require manual counting and identification of algae and can take up to 90 min to obtain a statistically reliable count on a complex population. Several alternative techniques to accelerate the process have been tried on marine samples but none have been completely successful because insufficient effort has been put into verifying the technique before field trials. The objective of the present study has been to assess the potential of in vivo fluorescence of algal pigments as a means of automatically identifying algae. For this work total fluorescence spectroscopy was chosen as the observation technique.
    Schlagwort(e): Biology ; Ecology ; Limnology ; Algae ; Identification ; Methodology ; Fluorescence ; Fluorescence spectroscopy ; England
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 31
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  • 99
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5215 | 1256 | 2011-09-29 15:14:31 | 5215 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: The paper reviews the methodology of attempts to assess the importance of washout as a cause of loss of salmonid eggs and alevins. The results of this study are presented of various small-scale field trials using buried artificial salmonid eggs and tethered table tennis balls. The results suggested that, even when few eggs were actually lost by washout, some downstream movement of the upper layers of gravel and of artificial eggs might have taken place.
    Schlagwort(e): Ecology ; Fisheries ; Limnology ; Fish eggs ; Spawning ; Gravel ; Freshwater fish ; Biological drift ; Redds ; Induced breeding ; England ; Great Eggleshope Beck
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 30
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  • 100
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    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5214 | 1256 | 2011-09-29 15:14:29 | 5214 | Freshwater Biological Association
    Publikationsdatum: 2021-07-09
    Beschreibung: Sampling was concentrated on the North Moor region and the series of ditches which drained this area to the Bristol Channel. Although most ditches were not deep the mud substratum precluded sampling from within the habitat. All samples were taken with a pond net from the banks. Efforts were made to sample each part of the habitat although in some ditches the macrophyte growth was so intense as to make sampling difficult particularly of the sediments. Organisms were identified on the 10 sampling sites.
    Schlagwort(e): Ecology ; Fisheries ; Limnology ; Redds ; Spawning grounds ; Rivers ; Fish eggs ; Spawning ; Gravel ; Freshwater fish ; England
    Repository-Name: AquaDocs
    Materialart: monograph
    Format: application/pdf
    Format: application/pdf
    Format: 36
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