Basic Biogeography |
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Page 54
... succession ) . But the timescale for most successions is long and this means both types of change feature in most seral developments . Yarranton and Morrison describe a good example of an autogenic succession , the psammosere of the ...
... succession ) . But the timescale for most successions is long and this means both types of change feature in most seral developments . Yarranton and Morrison describe a good example of an autogenic succession , the psammosere of the ...
Page 66
... succession not covered by the theories of Clements ? The successions described by Clements were essentially linear in form . Various workers have since reported cyclic successions . These are now thought to be reasonably common . Two ...
... succession not covered by the theories of Clements ? The successions described by Clements were essentially linear in form . Various workers have since reported cyclic successions . These are now thought to be reasonably common . Two ...
Page 67
... succession around the edges of 66 British lakes by examining the sequences of plants preserved in the infilling sediments . These should provide a good record of the succession of communities in the hydrosere . According to succession ...
... succession around the edges of 66 British lakes by examining the sequences of plants preserved in the infilling sediments . These should provide a good record of the succession of communities in the hydrosere . According to succession ...
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