A seasonal and ecological study of the phytoplankton of Loch Lomond

Maulood, Bahram K.; Boney, A. D.

doi:10.1007/bf00686131

Cited by 22 publications

(20 citation statements)

References 25 publications

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“…by the EEC (EEC, 1979). Ar Presenr, total phogphorus levels in Loch Lomond are betr4Teen 0.02 and 0.2 ug 1-r (Maulood and Boney, 1980) Rast and Lee (1978), water quality is surprisingly good, and we bel-ieve that certain 1akes, because of the associated flora and fauna, may be better able to cope with Large amounts of waste than others. It is hoped that this study may help in the evaluation of potential cage farm sites, and in the development of operational guidelines for the future.…”

Section: Introductionmentioning

confidence: 60%

“…This scheme, which came into operation in 1972, has had the effect of reducing the annual fluctuation in \rater Level In terms of water quality, Loch Lomond is ideal for sa1-monid culture, being Low in nutrients and relatively free from agricultural, industriatr and human wastes. The oxygen content of the water never fall-s below 72% saturation, and surface temperatures rarely rise above l6oC (Maulood and Boney, 1980). However, the selection of suitable sites within the loch depends on a number of additional factors.…”

Section: Introductionmentioning

confidence: 99%

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An Evaluation of Proposed Cage Fish Culture on Loch Lomond, an Important Reservoir in Central Scotland

Beveridge¹,

Muir²

1982

Canadian Water Resources Journal

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Section: Introductionmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

An Evaluation of Proposed Cage Fish Culture on Loch Lomond, an Important Reservoir in Central Scotland

Beveridge¹,

Muir²

1982

Canadian Water Resources Journal

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“…The seasonal pattern of nutrient variation was generally similar to the north of Loch Lomond (Maulood & Boney 1980) and Loch Ard (Maulood & Boney 1981b) . Phosphate and silicate both reached higher levels in Loch Achray whilst nitrate reached its highest concentrations in Loch Ard .…”

Section: Discussionmentioning

confidence: 84%

“…Full details of sampling methods, analysis of chemical samples and the enumeration of phytoplankton, based on the use of membrane filters, are given in Maulood & Boney (1980) .…”

Section: Methodsmentioning

confidence: 99%

Phytoplankton ecology of Loch Achray (Scotland)

Maulood

Boney

1982

Hydrobiologia

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Loch Achray is a warm monomictic lake in the Scottish highlands with water temperature ranging from 4 °C to 18 .7 °C . The oxygen distribution is mainly clinograde with saturation values ranging from 76 to 112% . The general pattern of nutrient variation is irregular particularly for phosphate . Dissolved silica (measured as silicate) showed a range of 24 tg at . Si 1 -1 ; phosphate varied from 0 .24 to 0 .03 .tg at . P 1-1 while nitrate ranged from 3 .5 to 15 .2 yg at . N 1-1 . The pH remained below 7 for the entire year and the alkalinity was very low, ranging from 2 .5 to 6 mg CaCO 3 1-1 .

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“…200 m) oligotrophic basins to the north, where the bedrock consists of metamorphosed Dalradian mica-schists and schistose grits and slates (Slack 1954). Dissolved oxygen in the water column is consistently high (>72% saturated) at all times of the year (Maulood and Boney 1980).…”

Section: Loch Lomond-lochmentioning

confidence: 99%

Manganese behavior in the sediments of diverse Scottish freshwater lochs

Bryant

Farmer

MacKenzie

et al. 1997

Limnology & Oceanography

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Mn concentrations were determined in sediments and pore waters of five freshwater lochs in Scotland. The aim was to establish whether the geochemical behavior of Mn differed in a range of limnological conditions: oligotrophic/mesotrophic Loch Lomond; eutrophic unstratified Loch Leven; seasonally stratified eutrophic Balgavies Loch; oligotrophic, acidified Round Loch of Glenhead; and oligotrophic, acid-sensitive Loch Coire nan An: Although redox-driven diagenesis of Mn was evident in all lochs, the diversity of conditions in the lochs resulted in some cases in modifications to behavior predicted by conceptual models for transport of Mn at a redox boundary. These differences were reflected in the chemical associations and trends in concentration of Mn. A classic example of Mn redox cycling in the sediments of Loch Lomond provided a basis for comparison with other systems. Higher inventories of Mn in sediment collected from eutrophic Loch Leven during the summer, compared with sediment from autumn and winter sampling, were explained by the effects of enhanced primary productivity (high pH and dissolved oxygen concentrations) during a summer algal bloom. In Balgavies Loch, where the bottom water was hypoxic, at the time of sampling, previous diagenetic enrichment of Mn in the surface sediment was subject to modification by dissolution and release from the solid phase to pore water, which was elevated in Mn. The increase in solid-phase Mn concentration with depth and lack of significant surface enhancement of Mn in Round Loch contrasted markedly with results from other lochs. This was attributed mainly to acidification, producing a pHrelated decrease in Mn sedimentation. Mn partitioning and porewater data for Loch Coire nan Arr were in some respects similar to those at Round Loch, with both lochs having pcaty sediment. However, Mn concentration patterns attributed to acidification effects at Round Loch were not found in Loch Coire nan Arr.

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A seasonal and ecological study of the phytoplankton of Loch Lomond

Cited by 22 publications

References 25 publications

An Evaluation of Proposed Cage Fish Culture on Loch Lomond, an Important Reservoir in Central Scotland

An Evaluation of Proposed Cage Fish Culture on Loch Lomond, an Important Reservoir in Central Scotland

Phytoplankton ecology of Loch Achray (Scotland)

Manganese behavior in the sediments of diverse Scottish freshwater lochs

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