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 55
Nigel Pears. n stage ( Climax community ) 1 n- 1 stage ( Pre - climax community ) ↑ 4th stage Prisere Perhaps several decades , or more than 100 years 3rd stage 2nd stage ↑ 1st stage ( Pioneer community ) A few years Fig . 4.5 The ...
Nigel Pears. n stage ( Climax community ) 1 n- 1 stage ( Pre - climax community ) ↑ 4th stage Prisere Perhaps several decades , or more than 100 years 3rd stage 2nd stage ↑ 1st stage ( Pioneer community ) A few years Fig . 4.5 The ...
Page 58
... climax vegetations would develop because the climatic factor cannot wholly ... community . Richards , working in the primary rain forest at Moraballi Creek ... climax was like a phantom - always one step ahead of reality . In 1953 ...
... climax vegetations would develop because the climatic factor cannot wholly ... community . Richards , working in the primary rain forest at Moraballi Creek ... climax was like a phantom - always one step ahead of reality . In 1953 ...
Page 68
... climax which has self - organizing properties . Clements viewed the climax as almost a super- organism . 2. The climax community ... Climax communities show the most complex physical structures ( physiognomy ) and maximum biomass ( total ...
... climax which has self - organizing properties . Clements viewed the climax as almost a super- organism . 2. The climax community ... Climax communities show the most complex physical structures ( physiognomy ) and maximum biomass ( total ...
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