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 131
... associated with attempts by the natural vegetation to recolonize the site by means of seral developments . In this chapter we cannot cover all these various sides of the problem . Rather , we will concentrate on one particular aspect ...
... associated with attempts by the natural vegetation to recolonize the site by means of seral developments . In this chapter we cannot cover all these various sides of the problem . Rather , we will concentrate on one particular aspect ...
Page 169
... associated with damp oakwood developed on heavier lowland soils . Quercus petraea ( sessile or durmast oak ) is found on shallower soils , frequently developed from siliceous rocks , and is often the dominant tree of the oakwoods ...
... associated with damp oakwood developed on heavier lowland soils . Quercus petraea ( sessile or durmast oak ) is found on shallower soils , frequently developed from siliceous rocks , and is often the dominant tree of the oakwoods ...
Page 206
... associated with crop cultivation or pastoral systems , have not completely blurred the original soil characteristics of each region . Certain fundamental differences still persist in our soils to permit , on the one hand , a broad ...
... associated with crop cultivation or pastoral systems , have not completely blurred the original soil characteristics of each region . Certain fundamental differences still persist in our soils to permit , on the one hand , a broad ...
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