Basic Biogeography |
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Page 23
... less than those for the larger plant . B. ( 3 ) Cover These values indicate the proportion of the ground surface covered when the aerial parts of each plant are projected perpendicularly down on to it . Cover values are expressed as ...
... less than those for the larger plant . B. ( 3 ) Cover These values indicate the proportion of the ground surface covered when the aerial parts of each plant are projected perpendicularly down on to it . Cover values are expressed as ...
Page 197
... less than that of pinewood ( 1,300 g / m2 ) or oakwood ( 800 g / m2 ) . As we shall see in Chapter 10 , there is a long history of cattle grazing on our uplands . Sheep and goats were also kept for local use . But by the nineteenth ...
... less than that of pinewood ( 1,300 g / m2 ) or oakwood ( 800 g / m2 ) . As we shall see in Chapter 10 , there is a long history of cattle grazing on our uplands . Sheep and goats were also kept for local use . But by the nineteenth ...
Page 233
... less 6. Podzolic soils With podzolic B Group 4.1 Calcareous pelosols Without argillic horizon 4.2 Non - calcareous pelosols Without argillic horizon 4.3 Argillic pelosols With argillic horizon 5.1 Brown calcareous earths Non - alluvial ...
... less 6. Podzolic soils With podzolic B Group 4.1 Calcareous pelosols Without argillic horizon 4.2 Non - calcareous pelosols Without argillic horizon 4.3 Argillic pelosols With argillic horizon 5.1 Brown calcareous earths Non - alluvial ...
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