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 9
... exist . These give a descriptive paragraph on each species in that region and sometimes an illustration . For Britain , the key reference is Flora of the British Isles by A. R. Clapham , T. G. Tutin and E. F. Warburg ( CUP , 1962 ) . A ...
... exist . These give a descriptive paragraph on each species in that region and sometimes an illustration . For Britain , the key reference is Flora of the British Isles by A. R. Clapham , T. G. Tutin and E. F. Warburg ( CUP , 1962 ) . A ...
Page 36
... exist as electrically charged units or ions . The charge may be positive ( cations ) or negative ( anions ) and chemical compounds may dissociate into their respective cation and anion parts . Common salt , NaCl , may exist , for ...
... exist as electrically charged units or ions . The charge may be positive ( cations ) or negative ( anions ) and chemical compounds may dissociate into their respective cation and anion parts . Common salt , NaCl , may exist , for ...
Page 244
... exists for this country but informed opinion and the few studies that have been made hold that the pattern of leisure - time ... exist the pleasure - seeking public have never shown great respect for lines on maps . Such a vast influx of ...
... exists for this country but informed opinion and the few studies that have been made hold that the pattern of leisure - time ... exist the pleasure - seeking public have never shown great respect for lines on maps . Such a vast influx of ...
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