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 112
... occurring fires do occur from time to time as charcoal layers found towards the base of peats in the Western Highlands of Scotland bear witness . These layers pre - date human settlement in the region and they are a reasonably common ...
... occurring fires do occur from time to time as charcoal layers found towards the base of peats in the Western Highlands of Scotland bear witness . These layers pre - date human settlement in the region and they are a reasonably common ...
Page 156
... occur in many parts of Britain and they provide several links with previous chapters and with Chapters 9 and 10 . The climax vegetation We have very little truly natural vegetation left in this country today : over a period of several ...
... occur in many parts of Britain and they provide several links with previous chapters and with Chapters 9 and 10 . The climax vegetation We have very little truly natural vegetation left in this country today : over a period of several ...
Page 169
... occur in Mexico ; the Iberian Peninsula has 12 species but when we move north we find that there are only two native species of oak in the British Isles . Quercus robur ( the pedunculate oak ) is today the most common of the two and is ...
... occur in Mexico ; the Iberian Peninsula has 12 species but when we move north we find that there are only two native species of oak in the British Isles . Quercus robur ( the pedunculate oak ) is today the most common of the two and is ...
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