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 173
Nigel Pears. Wistman's Wood This small wood ( total area about 4 acres ) lies on a steep , boulder - strewn , west- facing slope at 365-430 m in the headwater valley of the West Dart , which drains southwards from Dartmoor ( Fig . 8.12 ) ...
Nigel Pears. Wistman's Wood This small wood ( total area about 4 acres ) lies on a steep , boulder - strewn , west- facing slope at 365-430 m in the headwater valley of the West Dart , which drains southwards from Dartmoor ( Fig . 8.12 ) ...
Page 175
... Wood and in July 1964 it was nearly defoliated when damage in woods elsewhere was negligible . Evidence suggests that this wood is often heavily defoliated , which may explain the growth - form of the oaks and the profusion of ' lammas ...
... Wood and in July 1964 it was nearly defoliated when damage in woods elsewhere was negligible . Evidence suggests that this wood is often heavily defoliated , which may explain the growth - form of the oaks and the profusion of ' lammas ...
Page 241
... Wood , once grew very fine native oaks but these were clear - felled after the First World War . This wood was neglected for 35 years , acting simply as a source of stakes and fence material for the Cottesmore Hunt and local farmers ...
... Wood , once grew very fine native oaks but these were clear - felled after the First World War . This wood was neglected for 35 years , acting simply as a source of stakes and fence material for the Cottesmore Hunt and local farmers ...
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