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 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 225
... parent material of intermediate base status . Details of the two soil profiles are shown in Table 9.4 . A similar change of wood- land at sites in the vicinity with a more acidic parent material , such as granite or quartzite , failed ...
... parent material of intermediate base status . Details of the two soil profiles are shown in Table 9.4 . A similar change of wood- land at sites in the vicinity with a more acidic parent material , such as granite or quartzite , failed ...
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