Basic Biogeography |
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Page 21
... field site . For example , we might compare by these methods the spectra for a series of sites on the same mountain , either at different altitudinal levels or on sheltered and exposed slopes at the same altitude . Raunkiaer used these ...
... field site . For example , we might compare by these methods the spectra for a series of sites on the same mountain , either at different altitudinal levels or on sheltered and exposed slopes at the same altitude . Raunkiaer used these ...
Page 38
... field version exists but assessment is often carried out in the laboratory . The instrument consists of two electrode systems : one is placed in the soil sample solution and the other into a standard solution ( buffer solution ) of ...
... field version exists but assessment is often carried out in the laboratory . The instrument consists of two electrode systems : one is placed in the soil sample solution and the other into a standard solution ( buffer solution ) of ...
Page 63
... field of more or less continuous variation by the term nodum , an abstract vegetation unit of any category ( see Fig . 4.11 ) . A A1 C 5x + 2y B B2 C C 6x + ly 6y + 1x C 4y + 3x C 3y + 3x 0 2 4 km B3 A3 C 3x + 3y A2 B1 C 5y + 2x In form ...
... field of more or less continuous variation by the term nodum , an abstract vegetation unit of any category ( see Fig . 4.11 ) . A A1 C 5x + 2y B B2 C C 6x + ly 6y + 1x C 4y + 3x C 3y + 3x 0 2 4 km B3 A3 C 3x + 3y A2 B1 C 5y + 2x In form ...
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