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 197
... upland moors . The wild herbivores include red deer , mountain hares , red grouse and ptarmigan . Hares have not usually been cropped but the other species provide for sporting interests . More recently , the commercial market for red ...
... upland moors . The wild herbivores include red deer , mountain hares , red grouse and ptarmigan . Hares have not usually been cropped but the other species provide for sporting interests . More recently , the commercial market for red ...
Page 224
... upland soils between 300 and 600 m due to progres- sive leaching . This led to a degeneration of the damp , climax oak forests which , consequently , became much more open in character . This occurred long before man began to have an ...
... upland soils between 300 and 600 m due to progres- sive leaching . This led to a degeneration of the damp , climax oak forests which , consequently , became much more open in character . This occurred long before man began to have an ...
Page 249
... upland farms in England and Wales . Much upland terrain is marginal for agriculture and may provide a better economic return and more rural employment under forestry . But the position is not simple , as James shows in his review ; each ...
... upland farms in England and Wales . Much upland terrain is marginal for agriculture and may provide a better economic return and more rural employment under forestry . But the position is not simple , as James shows in his review ; each ...
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