Basic Biogeography |
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Page 113
... fire it might take as long again for a second forest of similar dimensions to grow up . A wheatfield destroyed by fire may be viewed as a disaster by the farmer but it only takes twelve months or less to replace it with another one . It ...
... fire it might take as long again for a second forest of similar dimensions to grow up . A wheatfield destroyed by fire may be viewed as a disaster by the farmer but it only takes twelve months or less to replace it with another one . It ...
Page 114
... fire , especially when considered in terms of how these might interact with questions of fire frequency and weather pattern . However , an influence often overlooked is that of the vegetation itself . The reciprocal nature of ecological ...
... fire , especially when considered in terms of how these might interact with questions of fire frequency and weather pattern . However , an influence often overlooked is that of the vegetation itself . The reciprocal nature of ecological ...
Page 116
... fire . Each plant community has an associated animal community and destruction of the former by fire has severe repercussions for the latter . The competitive balance achieved between members of the macrofauna ( often expressed in terms ...
... fire . Each plant community has an associated animal community and destruction of the former by fire has severe repercussions for the latter . The competitive balance achieved between members of the macrofauna ( often expressed in terms ...
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