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 176
... woodland . Although epiphytic and bryophytic communities occur in all three types , as would be expected their composition and luxuriance vary with the changing structure of these woodland types . An interesting feature of the Killarney ...
... woodland . Although epiphytic and bryophytic communities occur in all three types , as would be expected their composition and luxuriance vary with the changing structure of these woodland types . An interesting feature of the Killarney ...
Page 186
... woodland encourages the development of tall juniper ( in a columnar growth - form ) and dense heather and ... woodland . Many of these birchwoods , of both types , have large numbers of boulders on the woodland floor . These rock ...
... woodland encourages the development of tall juniper ( in a columnar growth - form ) and dense heather and ... woodland . Many of these birchwoods , of both types , have large numbers of boulders on the woodland floor . These rock ...
Page 202
... woodland which appear quite natural . Most believe that these are sub- spontaneous communities established in the last few centuries by seed from nearby plantations . But there remains the possibility of survival on these poor soils ...
... woodland which appear quite natural . Most believe that these are sub- spontaneous communities established in the last few centuries by seed from nearby plantations . But there remains the possibility of survival on these poor soils ...
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