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 111
... seedlings because animal grazing ( deer , game - birds ) also eliminates many individuals . Seedlings usually grow best when set amongst large groups of boulders , sites providing some protection Tree - line studies 111.
... seedlings because animal grazing ( deer , game - birds ) also eliminates many individuals . Seedlings usually grow best when set amongst large groups of boulders , sites providing some protection Tree - line studies 111.
Page 181
... seedling growth . Grazing and browsing in an oakwood will do much to eliminate many seedlings . Both native fauna and domestic animals may be involved and much will depend on the stocking rates for these , i.e. the management of the ...
... seedling growth . Grazing and browsing in an oakwood will do much to eliminate many seedlings . Both native fauna and domestic animals may be involved and much will depend on the stocking rates for these , i.e. the management of the ...
Page 191
... seedlings ( one birch , the rest pine ) were recorded . All but 11 were found below 730 m although 50 per cent of the total area investigated occurred above this height . Seedling numbers did not decline steadily with altitude , as ...
... seedlings ( one birch , the rest pine ) were recorded . All but 11 were found below 730 m although 50 per cent of the total area investigated occurred above this height . Seedling numbers did not decline steadily with altitude , as ...
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