Basic BiogeographyBasic considerations. Introduction. Inital approaches to vegetation study. Inital approaches to soil study. Plant dynamics and the nature of vegetation. Ecosystems. Ecological factors and environmental variations. distubed ecosystems. Selected examples from the British Isles. The vegetation. The soils. The impact of man. |
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Page 214
... gley soils whose morphological characteristics largely result from pronounced waterlogging and reduction and re - oxidation of the iron compounds . These soils have horizons which show the strong influence of anaerobic conditions . They ...
... gley soils whose morphological characteristics largely result from pronounced waterlogging and reduction and re - oxidation of the iron compounds . These soils have horizons which show the strong influence of anaerobic conditions . They ...
Page 218
... gley soils Acid brown soils and related gley soils Semi - podzols , podzols and related gley soils Blanket peat soils and peaty gleyed podzols Bare rock and alpine humus soils 96 km 14 5000000 n Major group 4. Pelosols Slowly permeable ...
... gley soils Acid brown soils and related gley soils Semi - podzols , podzols and related gley soils Blanket peat soils and peaty gleyed podzols Bare rock and alpine humus soils 96 km 14 5000000 n Major group 4. Pelosols Slowly permeable ...
Page 234
... gley soils With humose or peaty topsoil 8.1 Alluvial gley soils With distinct topsoil , in loamy or clayey recent alluvium 8.2 Sandy gley soils Sandy , with distinct topsoil and without argillic horizon 8.3 Cambic gley soils Non ...
... gley soils With humose or peaty topsoil 8.1 Alluvial gley soils With distinct topsoil , in loamy or clayey recent alluvium 8.2 Sandy gley soils Sandy , with distinct topsoil and without argillic horizon 8.3 Cambic gley soils Non ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 11 |
Initial approaches to soil study | 28 |
Copyright | |
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acidic agricultural animals approach areas become biogeography birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex coypus crop cycle deciduous deer dominant Ecol ecologists ecosystem energy environment environmental erosion example fire forest Forestry Forestry Commission gley soils grass grazing ground flora growth heather herbivores Highlands horizon humus important increase influence insect land landscape layer leached lichen litter methods mineral moorland moors mountain native natural nutrients oakwoods occur organic parent material pattern peat pedogenic pest pine pinewood Pinus plagioclimax plant communities plant cover podzol pollen population present produce quadrat Quercus recent regeneration region sample Scotland Scots pine Scottish Highlands seedlings shrubs slopes soil types spread stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone