Basic Biogeography |
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Page 36
... leached by percolating waters to lower soil levels or flushed out in the regional drainage system . Cation exchange is a very common and very important soil reaction . Plants obtain much of their nutrition from these exchangeable bases ...
... leached by percolating waters to lower soil levels or flushed out in the regional drainage system . Cation exchange is a very common and very important soil reaction . Plants obtain much of their nutrition from these exchangeable bases ...
Page 188
... Leached Transfer to Branch fall Washed from canopy by rain Decomposition Soil Uptake by ground flora Output Pinus sylvestris aged 47 years Crop Leaves Leaf Litter fall from trees Litter fall from ground flora Ground flora 100 kg / ha ...
... Leached Transfer to Branch fall Washed from canopy by rain Decomposition Soil Uptake by ground flora Output Pinus sylvestris aged 47 years Crop Leaves Leaf Litter fall from trees Litter fall from ground flora Ground flora 100 kg / ha ...
Page 212
... leached coarse textured parent material will frequently develop a good podzol profile . Good examples are found in Norfolk on the sandy surface materials of the Breckland . A typical forest podzol examined in the pine and birch woods ...
... leached coarse textured parent material will frequently develop a good podzol profile . Good examples are found in Norfolk on the sandy surface materials of the Breckland . A typical forest podzol examined in the pine and birch woods ...
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