Basic Biogeography |
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Page 73
... energy from the sun and the use of simple inorganic materials obtained mainly from the soil ( lichens are an exception because they may obtain most of their ... energy absorbed by the green plant , most is transformed Energy patterns 73.
... energy from the sun and the use of simple inorganic materials obtained mainly from the soil ( lichens are an exception because they may obtain most of their ... energy absorbed by the green plant , most is transformed Energy patterns 73.
Page 74
Nigel Pears. energy absorbed by the green plant , most is transformed into heat energy and eventually lost from the plant and from the ecosystem . It is dispersed in time to the atmosphere . A very small proportion of radiant energy is ...
Nigel Pears. energy absorbed by the green plant , most is transformed into heat energy and eventually lost from the plant and from the ecosystem . It is dispersed in time to the atmosphere . A very small proportion of radiant energy is ...
Page 89
... energy and materials we can sometimes improve on secondary pro- ductivity through a thorough understanding of how an ecosystem works . A classic example is that provided by the introduction of the white amur or grass carp ...
... energy and materials we can sometimes improve on secondary pro- ductivity through a thorough understanding of how an ecosystem works . A classic example is that provided by the introduction of the white amur or grass carp ...
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