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 16
... usually be found which is strongly influencing the environment of the other species present . This plant is frequently referred to as the dominant . It is usually , but by no means 1. Life - form T trees F shrubs H✓ herbs. 16 Initial ...
... usually be found which is strongly influencing the environment of the other species present . This plant is frequently referred to as the dominant . It is usually , but by no means 1. Life - form T trees F shrubs H✓ herbs. 16 Initial ...
Page 131
... usually minor or highly localized incidents . There is another form of rapid disturbance which has a far greater impact on the world's flora and fauna . Many of the changes brought about by man are usually very rapid in operation and ...
... usually minor or highly localized incidents . There is another form of rapid disturbance which has a far greater impact on the world's flora and fauna . Many of the changes brought about by man are usually very rapid in operation and ...
Page 211
... usually of medium texture and the clay content is highest near the surface , only gradually decreasing with depth . This allows some profile differentiation on a textural basis . Kubiena describes them as being formed by deep - reaching ...
... usually of medium texture and the clay content is highest near the surface , only gradually decreasing with depth . This allows some profile differentiation on a textural basis . Kubiena describes them as being formed by deep - reaching ...
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