Basic Biogeography |
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Page 123
... effect . These examples represent just some of the reasons why a detailed knowledge of forest limits is required . To pinpoint the exact effect of a factor seems to require very sophisticated approaches and years of work . Are climatic ...
... effect . These examples represent just some of the reasons why a detailed knowledge of forest limits is required . To pinpoint the exact effect of a factor seems to require very sophisticated approaches and years of work . Are climatic ...
Page 204
... effect of defoliators on tree growth ' , in The British Oak : its history and natural history ( eds . Morris , M. G. ... Effects of shade on the growth of birch ' ( pp . 24-5 ) , Range Ecology Research : 1st Progress Report , Nature ...
... effect of defoliators on tree growth ' , in The British Oak : its history and natural history ( eds . Morris , M. G. ... Effects of shade on the growth of birch ' ( pp . 24-5 ) , Range Ecology Research : 1st Progress Report , Nature ...
Page 256
... effects of the few who are responsible for vandalism , fires and litter in the countryside , what harm can the mass ... effect and encourage other species to grow . But more and more areas are now subjected to very heavy trampling . In ...
... effects of the few who are responsible for vandalism , fires and litter in the countryside , what harm can the mass ... effect and encourage other species to grow . But more and more areas are now subjected to very heavy trampling . In ...
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 biotic birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex conservation 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 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 stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone