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  • Articles  (22)
  • Lake District  (22)
  • Ambleside, UK  (22)
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  • Articles  (22)
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  • 1
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    Invertebrate animals of the Lake District (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5109 | 3949 | 2011-09-29 15:23:53 | 5109 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Keywords: Biology ; Ecology ; Limnology ; Freshwater molluscs ; Aquatic insects ; Invertebrate larvae ; Aquatic organisms ; Annual reports ; Corixidae ; Coleoptera ; England ; Lake District
    Repository Name: AquaDocs
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  • 2
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    Information science and the scientist. A look at information requirements and the technologies available to scientists in the pursuit of information (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5124 | 3949 | 2011-09-29 15:23:13 | 5124 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: A review article looking at the type of information requirements commonly shared by scientists and their use of traditional information services. Areas covered include primary requirements of IFE (Institute of Freshwater Ecology) staff, pure versus applied research, informal and personal sources of information, and traditional library and information services. It goes on to describe how research into information systems and technology may improve the wider accessibility and use of information to the scientific community. Technologies covered include online databases, telecommunications, gateways, expert systems, optical technology and applications of CDROM.
    Keywords: Ecology ; Environment ; Information Management ; Freshwater ecology ; Research institutions ; Research ; Information scientists ; Information services ; Annual reports ; England ; Lake District
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  • 3
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    Year class strengths of perch and pike in Windermere (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5158 | 3949 | 2011-09-29 15:19:31 | 5158 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: 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.
    Keywords: Biology ; Ecology ; Limnology ; Age composition ; Esox lucius ; Perca fluviatilis ; England ; Lake District ; Annual report
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  • 4
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    'The highly nervous system of the English Lakes': aquatic ecosystem sensitivity to external changes, as demonstrated by diatoms. (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5241 | 3949 | 2011-09-29 15:13:56 | 5241 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-09
    Description: The author reviews the stratigraphic diatom profile of Cumbrian lakes since the last glaciation. Knowledge of both present and previous interglacials suggests that a natural cycle of change is imposed on all lakes. The nature of inwashed material is dependant on climatic and natural soilcycles and this affects the water quality and sensitive aquatic biota. Anthropogenic effects are superimposed upon this with forest clearance and pollution. Whilst some Cumbrian diatom profiles extend over the entire post glacial, others cover only detailed sections relating to particular problems. Causes and effect of recent changes in lakes can be studied using indicator species but palaeocology contributes greatly to understanding of long term changes.
    Keywords: Biology ; Limnology ; Biostratigraphy ; Climatic changes ; Colonization ; Cores ; Environmental effects ; Eutrophication ; Fossil diatoms ; Historical account ; Land use ; pH ; Palynology ; Sediment analysis ; Sedimentology ; Water quality ; Lake District ; Cumbria ; Annual report
    Repository Name: AquaDocs
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  • 5
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    Concentrations of major ions in 182 tarns in the English Lake District (1953-1978) [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5354 | 1256 | 2011-09-16 12:01:28 | 5354 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-10
    Description: This dataset provides raw data of chemical analyses made during studies on seasonal variations of 182 tarns in the English Lake District, Cumbria. Measurements of sodium, calcium, potassium, magnesium, pH, chloride ions, alkalinity, sulphite, strong acids and nitrate were taken between 1953 and 1978.
    Description: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in lakes and tarns on the English Lake District (1953-1978). Freshwater Biological Association, Ambleside, UK, 1982 (FBA Occasional Publications 16)
    Keywords: Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; alkalinity ; England ; Lake District ; dataset
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  • 6
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    Major ions in 25 frequently sampled tarns in the English Lake District (1954-56, 1974-1976) [Dataset] (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5353 | 1256 | 2012-07-04 19:33:33 | 5353 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-10
    Description: This dataset provides raw data of chemical analyses made during studies on seasonal variations of 25 frequently sampled tarns in Cumbria. Measurements of sodium, calcium, potassium, magnesium, pH, chloride ions, alkalinity, sulphite, strong acids and nitrate were taken between 1954 and 1956 and between 1974-1976.
    Description: This data was used in the publication: Carrick, T.R. & Sutcliffe, D.W.: Concentrations of major ions in streams on catchments of the River Duddon (1971-1974) and Windermere (1975-1978), English Lake District. Freshwater Biological Association, Ambleside, UK, 1983 (FBA Occasional Publications 22)
    Keywords: Chemistry ; Limnology ; Calcium ; chlorides ; fresh water ; ions ; magnesium ; potassium ; seasonal variations ; sodium ; water analysis ; alkalinity ; England ; Lake District ; dataset
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  • 7
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    Changes in the phytoplankton (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5111 | 3949 | 2011-09-29 15:23:22 | 5111 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: An article discussing changes observed in phytoplankton of the Lake District. An overview is given of previous phytoplankton studies undertaken in the area, detailing some changes found in various waterbodies. Water quality changes in Lake Windermere are mentioned, including the gradual increase of dissolved organic matter (DOM), believed to be caused by the increase of sewage to the lake. The lakes in the Alps are given as an example of a similar anthropogenic pollution scenario. The treatment of a Lake District tarn with bone meal is described. The article goes on to discuss the composition of plankton throughout the year under a variety of climatic conditions. A figure shows seasonal variation in the consistuents of phytoplankton in Windermere (north basin).
    Keywords: Biology ; Chemistry ; Limnology ; Phytoplankton ; Limnology ; Dissolved organic matter ; Seasonal variations ; Sewage ; Water quality ; Annual reports ; England ; Lake District
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  • 8
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    Bacteria in freshwaters (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5114 | 3949 | 2011-09-29 15:21:32 | 5114 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: An article looking at the numerical distribution of bacteria in lakes, the types most commonly present and the nitrogen-cycle, in Lake Windermere. The methodology is explained, including the sampling frequency and depths, and bacteria culturing techniques. Water bodies other than Lake Windermere were also sampled and these are detailed, including a water reservoir. A summary of the work into horizontal of bacteria is given, including a table showing the number of bacteria per millilitre at different distances from inflow into Windermere. A summary of the work into vertical distribution is also given, including two figures, one showing seasonal variation during 1938-9 in numbers of bacteria at different depths in Winderemere, and the other showing the relationship between the numbers of bacteria at 10 metres depth in Windermere and the rainfull during the previous 7 days. A summary of the types of bacteria found, as well as work on the nitrogen cycle in Esthwaite Water, Lake Windermere and Blelham Tarn are given.
    Keywords: Biology ; Chemistry ; Limnology ; Nitrogen cycle ; Bacteria ; Freshwater ecology ; Limnology ; Seasonal variations ; Water column ; Water reservoirs ; Annual reports ; England ; Lake District
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  • 9
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    Changes in physical and chemical variables (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5112 | 3949 | 2011-09-29 15:23:20 | 5112 | Freshwater Biological Association
    Details
    Publication Date: 2021-07-08
    Description: An article reviewing the work undertaken looking at the seasonal variation of chemical conditions in water at various depths in lakes. The laboratory tests undertaken for the research is outlined, as well as details of the sampling locations and the staff involved with the work. One figure shows the seasonal variation in the amounts of dissolved substances in the surface water of Windermere during 1936. Another figure shows seasonal varation inthe dry weight of phyto- and zooplankton in Windermere. Seasonal changes are discussed further and a table is included showing chemical conditions in winter and summer for Windermere.
    Keywords: Biology ; Chemistry ; Limnology ; Limnology ; Chemistry ; Seasonal variations ; Diatoms ; Phytoplankton ; Zooplankton ; Water column ; Surface water ; Annual reports ; England ; Lake District
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  • 10
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    Lake deposits (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5115 | 3949 | 2011-09-29 15:21:39 | 5115 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: An article detailing further developments in the bathymetric survey work as detailed in the 6th annual report of the Freshwater Biological Association. Work has concentrated on investigating the layering in lake deposits (with the use of special equipment and corers), extending the area of lake for bathymetric surveys and the analysis of diatoms and plant material from core samples. A number of waterbodies in the Lake District are investigated, including: Bassenthwaite Lake, Derwentwater, Ennerdale Water, Rydal Water, Coniston Water, Buttermere Lake, Grasmere Lake, Esthwaite Water, Loweswater Lake, Haweswater Reservoir, Crummock Water, Ullswater Lake, Thirlmere Reservoir, Wastwater and Lake Windermere.
    Keywords: Biology ; Earth Sciences ; Limnology ; Cores ; Diatoms ; Bathymetric surveys ; Lake deposits ; Lake morphology ; Aquatic plants ; Annual reports ; England ; Lake District
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  • 11
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    The design and development of the Windermere Profiler. An instrument for measuring how various environmental parameters vary with depth in lakes, reservoirs and rivers (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5123 | 3949 | 2011-09-29 15:22:51 | 5123 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: A review article detailing the background, development and functionality of the Windermere Profiler, a multi parameter environmental monitoring instrument for use in lakes, reservoirs and rivers. The article explains the requirement for regular data collection by the Freshwater Biological Association at Windermere. The article covers the requirements of a profiling instrument, the design considerations, the electronic circuitry, the computer program, the operation of the computer software, the profiler in use and further developments to the design. A number of figures and images accompany the article.
    Keywords: Chemistry ; Environment ; Limnology ; Profilers ; Inland water environment ; Water reservoirs ; Lakes ; Rivers ; Temperature data ; Electrical conductivity ; Dissolved oxygen ; Depth measurement ; Light attenuation ; Annual reports ; England ; Lake District
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  • 12
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    Faunistic studies (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5116 | 3949 | 2011-09-29 15:21:42 | 5116 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: An update on the work undertaken by the authors, Macan and Hynes, over the past year. Macan provides details of additional work undertaken since his publication of faunistic work on adult animals, including details on additional field data, further developments of the conclusions intially drawn and further comparisons with fauna of the highlands of Scotland. Two histograms are provided showing succession of Corixidae in two separate waterbodies. Habitat conditions are also discussed for this species and a number of locations are mentioned including, Blelham Tarn, Derwentwater and Rusland Moss. An update on stonefly work undertaken by Hynes is provided, specifically stomach contents of nymphs and habitat preference. Details are also given of aquatic insects being breed by the staff for research.
    Keywords: Biology ; Limnology ; Aquatic insects ; Habitat selection ; Riparian vegetation ; Lakes ; Species diversity ; Annual reports ; Invertebrate larvae ; Plecoptera ; Corixidae ; England ; Lake District
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  • 13
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    The growth of brown trout (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5117 | 3949 | 2011-09-29 15:22:21 | 5117 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: An article discussing the factors affecting the rate of growth of brown trout, detailing the research udnertaken at Wray Castle, designed to clarify the influencing factors in different waters and investigate what would be required to increase their size. The article considers factors such as alkalinity, total hardness, the presence of coarse fish in the waterbodies and competition for food. Previous work undertaken on brown trout in Ireland by other authors is reviewed. A figure showing average growth rate of brown trout in five lakes, as determined from their scales (Lough Derg, Windermere, Loch Leven, Ullswater, Haweswater).
    Keywords: Biology ; Chemistry ; Limnology ; Coarse fish ; pH effects ; Water hardness ; Food availability ; Limnology ; England ; Lake District
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  • 14
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    Interpreting the environmental record in the sediments of Blelham Tarn (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5166 | 3949 | 2011-09-29 15:18:23 | 5166 | Freshwater Biological Association
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    Publication Date: 2021-07-08
    Description: Two aspects of the environmental record in the sediments of Blelham Tarn have been investigated: (1) the ecological history of the catchment, and lake-catchment relationships, by detailed analysis of the preserved pollen (as an indication of vegetation) and sediment composition with respect to a range of inorganic and organic geochemical variables and (2) a detailed investigation of the manner in which sediment is being formed today, including the way in which microfossils (pollen and diatoms) are being recruited and incorporated into sediments. When the record was examined by biological and geochemical analysis, together with radionuclide dating, of closely spaced samples, it was found that the changes of the last 30 yrs represented only the most recent episode in a long history of modification of the lake by man. To find an approach to this it is necessary to go back for at least 2500 yrs.
    Keywords: Biology ; Ecology ; Limnology ; Environmental conditions ; Sediment analysis ; Sediment sampling ; Sediment-water interface ; Unconsolidated sediments ; England ; Lake District ; Annual report
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  • 15
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    The first fifty years of the Freshwater Biological Association (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5176 | 3949 | 2011-09-29 15:19:21 | 5176 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: A brief history of the Freshwater Biological Association is given in this article. The association has been in existence for fifty years, having been founded in 1929.
    Keywords: Biology ; Planning ; Research institutions ; Historical account ; England ; Lake District ; Annual report
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  • 16
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    Fungal and protozoan parasites and their importance in the ecology of the phytoplankton (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5177 | 3949 | 2011-09-29 15:19:29 | 5177 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: The presence of fungi on the phytoplankton of Lake Windermere was first noted by the author in 1943. Surveys into the fungal and protozoan parasites of the planktonic algae of the English Lake District and elsewhere were carried out. This article discusses the descriptive studies, epidemics and culture work, which was carried out in connection with these studies.
    Keywords: Biology ; Planning ; Parasites ; Fungal diseases ; Protozoan diseases ; Phytoplankton ; England ; Lake District ; Annual report
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  • 17
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    Ceratium hirundinella - ecology of a complex, mobile, and successful plant (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5180 | 3949 | 2011-09-29 15:17:07 | 5180 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: Recent work carried out in the English Lake District (Esthwaite Water and Blelham Tarn) is reported. The seasonal growth cycle, diel growth cycle, photosynthesis, vertical distribution and migrations, horizontal distribution, and the interaction of environmental factors, were investigated.
    Keywords: Biology ; Ecology ; Freshwater Ecology ; Life History ; Ceratium hirundinella ; England ; Lake District ; Annual report
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  • 18
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    Acid precipitation and its effects on aquatic systems in the English Lake District (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5189 | 3949 | 2011-09-29 15:16:49 | 5189 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: There is no evidence of an increase in the acidity (lower pH or alkalinity) of water-bodies in the Lake District over the last 50 years. Brown trout occur in acid streams and upland tarns where pH is 4.5-5.2 throughout the year. Their occurrence in such waters in Britain and Ireland has been known for most of this century and there is no previous evidence of harmful effects on salmonid fisheries, though numbers of fish are naturally low. However, many benthic invertebrates that are common in hill-streams where pH is above 5.7 do not occur in more acid streams. This phenomenon occurs in the headwaters of several western rivers in Cumbria. It is not a recent response to "acid rain". Harmful effects of pH are undoubtedly more pronounced in waters that are poor in other dissolved ions. Low concentrations of sodium, potassium, calcium and chloride are especially important and may limit the distributions of some aquatic animals even where pH is above 5.7. The concentration of sulphate ions is usually relatively high but this is not important to the fauna; concentrations are at least two times higher in productive alkaline water-bodies than they are in unproductive acid waters.
    Keywords: Chemistry ; Ecology ; Limnology ; Acid rain ; Acidification ; Alkalinity ; Freshwater pollution ; pH ; Pollution effects ; Invertebrata ; Salmonidae ; England ; Lake District ; Annual report
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  • 19
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    The Freshwater Biological Association and the International Biological Programme (1961-1976) (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5183 | 3949 | 2011-09-29 15:17:20 | 5183 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: The involvement of the FBA in the primary productivity program is reviewed.
    Keywords: Biology ; Management ; Research programmes ; Primary production ; England ; Lake District ; Annual report
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  • 20
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    Population dynamics of Windermere perch (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5187 | 3949 | 2011-09-29 15:17:39 | 5187 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: This paper looks briefly at some of the more recent analyses and interpretations of the changes that have occurred in the population dynamics of Windermere perch and at the present level of understanding. The long-term study has shown how flexible the population is and how it has behaved in different ways over successive periods of time since 1939. Through one of these periods it was possible to account for nearly all the variance in recruitment by a relatively simple explanatory model. The reduction in numbers on the outbreak of disease in 1976 started a natural experiment which will form a baseline for future studies.
    Keywords: Biology ; Ecology ; Limnology ; Coarse fish ; Freshwater fish ; Freshwater lakes ; Mathematical models ; Population dynamics ; Perca fluviatilis ; England ; Lake District ; Windermere ; Annual report
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  • 21
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    Phytoplankton periodicity: its motivation, mechanisms and manipulation (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5188 | 3949 | 2011-09-29 15:17:41 | 5188 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: This review summarizes some recent work to find a generalized explanation of phytoplankton periodicity in lakes. Much of the observational and experimental evidence is drawn from work centred on the large enclosures (Lund Tubes) installed in Blelham Tarn, English Lake District. Observations on the phytoplankton in the tubes are related to the periodic changes that occur in natural lakes and it is suggested that such changes have common patterns, that they are due to common causes, that they are affected by similar processes and that they are therefore predictable and, potentially, manipulable.
    Keywords: Biology ; Ecology ; Limnology ; Freshwater fish ; Growth ; Periodicity ; Phytoplankton ; Prediction ; England ; Lake District ; Annual report
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  • 22
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    Experiments with lake phytoplankton in large enclosures (2021)
    Freshwater Biological Association | Ambleside, UK
    In:  http://aquaticcommons.org/id/eprint/5194 | 3949 | 2011-09-29 15:15:04 | 5194 | Freshwater Biological Association
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    Publication Date: 2021-07-09
    Description: The use of large plastic enclosures, or 'Lund tubes', in lakes as a semi-natural basin for experiments, approximating to lakes within lakes, is discussed. The advantages and disadvantages of the tubes were studied, and the results of investigations into the validity of studies using such tubes and the effects of fertilisers on phytoplankton are presented.
    Keywords: Biology ; Limnology ; Experimental research ; Phytoplankton culture ; England ; Lake District ; Annual report
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    Format: 32-39
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