Basic Biogeography |
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Page 40
... cycle may be worked out . Two examples will indicate the basic features of these nutrient cycles . The first is that of nitrogen ( Fig . 3.5 ) where the atmosphere is the main reservoir or pool . Free - living bacteria in the soil and ...
... cycle may be worked out . Two examples will indicate the basic features of these nutrient cycles . The first is that of nitrogen ( Fig . 3.5 ) where the atmosphere is the main reservoir or pool . Free - living bacteria in the soil and ...
Page 178
... cycle at Meathop Wood . Several interesting points emerge when the components of this cycle are analysed . The main source of plant nutrients is obviously that contained in the soil . Of those taken up by the root system some will be ...
... cycle at Meathop Wood . Several interesting points emerge when the components of this cycle are analysed . The main source of plant nutrients is obviously that contained in the soil . Of those taken up by the root system some will be ...
Page 179
... cycle of macronutrients in the trees and ground flora . Quantities involved are kg / ha / year . The broad pattern of the nutrient cycle is similar to that found in other temperate deciduous woodlands . ( Modified from Brown , 1974 ...
... cycle of macronutrients in the trees and ground flora . Quantities involved are kg / ha / year . The broad pattern of the nutrient cycle is similar to that found in other temperate deciduous woodlands . ( Modified from Brown , 1974 ...
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