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 28
... Pedogenic factors - At an elementary level , soil results from the interaction between three broad sets of pedogenic factors those related to the climatology , geology and biology of the site . Climate is usually considered to be the ...
... Pedogenic factors - At an elementary level , soil results from the interaction between three broad sets of pedogenic factors those related to the climatology , geology and biology of the site . Climate is usually considered to be the ...
Page 45
... pedogenic factors . As an example of this , consider the profile differences between Figs . 3.8 and 3.9 . Strata differentiation frequently reflects the important role of percolating waters . Indeed , an early system of soil ...
... pedogenic factors . As an example of this , consider the profile differences between Figs . 3.8 and 3.9 . Strata differentiation frequently reflects the important role of percolating waters . Indeed , an early system of soil ...
Page 47
... pedogenesis ? ( In much of the Northern Temperate Latitudes the soils commenced development at the end of the last glacial phase . In the Tropics , however , some soils are much older . ) Over what period of time has each pedogenic ...
... pedogenesis ? ( In much of the Northern Temperate Latitudes the soils commenced development at the end of the last glacial phase . In the Tropics , however , some soils are much older . ) Over what period of time has each pedogenic ...
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