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 156
... Deciduous Forest formation gives way to the Northern Coniferous Forest formation . The latter in this country is represented by the Scottish pine and birch woods ( although birch is actually a deciduous species it is a common ...
... Deciduous Forest formation gives way to the Northern Coniferous Forest formation . The latter in this country is represented by the Scottish pine and birch woods ( although birch is actually a deciduous species it is a common ...
Page 178
... deciduous woodlands . Meathop Wood is about 45 m above sea - level on an outcrop of Carboniferous Limestone covered with a variable layer of glacial drift . The brown earth soils and mull humus have pH values running from 4.1 to 7.5 ...
... deciduous woodlands . Meathop Wood is about 45 m above sea - level on an outcrop of Carboniferous Limestone covered with a variable layer of glacial drift . The brown earth soils and mull humus have pH values running from 4.1 to 7.5 ...
Page 238
... Deciduous Forest . Others , however , were entirely created by man as planted woodland for fox - hunting . Whereas much of our present coniferous woodland in Britain is quite obviously planted so much of the deciduous woodland is ...
... Deciduous Forest . Others , however , were entirely created by man as planted woodland for fox - hunting . Whereas much of our present coniferous woodland in Britain is quite obviously planted so much of the deciduous woodland 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