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 8
... classification of one sort or another . Why do we have to bother with all these classifications ? There is a staggering amount of diversity in the biosphere : about 1 million animal species and half a million plant species have been ...
... classification of one sort or another . Why do we have to bother with all these classifications ? There is a staggering amount of diversity in the biosphere : about 1 million animal species and half a million plant species have been ...
Page 61
... classification . They argue that many properties of the stands can be utilized to produce the final ordering whereas most classifications are based on a single criterion or just a few . The latter method is therefore characterized by ...
... classification . They argue that many properties of the stands can be utilized to produce the final ordering whereas most classifications are based on a single criterion or just a few . The latter method is therefore characterized by ...
Page 65
... classification of vegetation ( as Poore's method demonstrated ) . Both classification and ordination are ' structuring ' techniques , designed to obtain a structure simpler than that of the original raw data . It is now clear that the ...
... classification of vegetation ( as Poore's method demonstrated ) . Both classification and ordination are ' structuring ' techniques , designed to obtain a structure simpler than that of the original raw data . It is now clear that the ...
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