Basic Biogeography |
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Page 29
... material ' for soil development . The physical properties and chemical composition of the parent material will be important influences on the type of soil to evolve . But the actual fertility and productivity of soil is mainly due to ...
... material ' for soil development . The physical properties and chemical composition of the parent material will be important influences on the type of soil to evolve . But the actual fertility and productivity of soil is mainly due to ...
Page 30
... parent material ( see Fig . 3.1 ) . Each horizon is usually capable of subdivision and the sequence we might find for a soil developing under a mid - latitudinal , maritime climate with high precipitation , the climate of the wetter ...
... parent material ( see Fig . 3.1 ) . Each horizon is usually capable of subdivision and the sequence we might find for a soil developing under a mid - latitudinal , maritime climate with high precipitation , the climate of the wetter ...
Page 212
... parent materials though , of course , acidic rocks with their high quartz content greatly favour podzolization . Even in areas of relatively low rainfall , an easily leached coarse textured parent material will frequently develop a good ...
... parent materials though , of course , acidic rocks with their high quartz content greatly favour podzolization . Even in areas of relatively low rainfall , an easily leached coarse textured parent material will frequently develop a good ...
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 biotic birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex conservation 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 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 stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone