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 42
... similar profiles become apparent . Soil profiles in a local study will often be very similar since one would only expect major differences when soils are compared which have developed on strongly contrasting geologies or under different ...
... similar profiles become apparent . Soil profiles in a local study will often be very similar since one would only expect major differences when soils are compared which have developed on strongly contrasting geologies or under different ...
Page 46
... similar mapping unit is used known as the soil series ( a group of similar profiles based on the same lithology ) . These ideas are of particular interest to geographers because they stress geomorphological links by essentially relating ...
... similar mapping unit is used known as the soil series ( a group of similar profiles based on the same lithology ) . These ideas are of particular interest to geographers because they stress geomorphological links by essentially relating ...
Page 213
... similar soils have been described by Ball . He has drawn attention to a group of freely drained soils , transitional in their morphology and distribution between low- land brown earths and mountain peaty podzols . They occur widely ...
... similar soils have been described by Ball . He has drawn attention to a group of freely drained soils , transitional in their morphology and distribution between low- land brown earths and mountain peaty podzols . They occur widely ...
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