Basic BiogeographyFirst published in 1985. This is the is the second edition of a study looking at ecology and biogeography with updated chapters including current research. It starts with the with the study of plants to gain an understanding of the complexities of ecological relationships. |
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Page 44
... loss . This gives only an approximate indication of organic content since a small part of the loss will be due to dehydration of the clay fraction . Allowance for this can be made by subtracting 1 / 10th of the clay value ( previously ...
... loss . This gives only an approximate indication of organic content since a small part of the loss will be due to dehydration of the clay fraction . Allowance for this can be made by subtracting 1 / 10th of the clay value ( previously ...
Page 142
... loss depended on conditions during the preceding summer : drought damage occurs because the short growing season at these altitudes does not permit needles to become fully mature . Wardle defines this ripening process in the shoots ...
... loss depended on conditions during the preceding summer : drought damage occurs because the short growing season at these altitudes does not permit needles to become fully mature . Wardle defines this ripening process in the shoots ...
Page 261
... loss for catchment ) 1,658 661 4,119 14-33 786 Net loss per hectare 20.01 7.97 49.68 0-17-0-40 9.48 DISCUSSION SECTION How certain can we be of pollen - analysis findings ? It is true to say that the more we have probed into palynology ...
... loss for catchment ) 1,658 661 4,119 14-33 786 Net loss per hectare 20.01 7.97 49.68 0-17-0-40 9.48 DISCUSSION SECTION How certain can we be of pollen - analysis findings ? It is true to say that the more we have probed into palynology ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 12 |
Initial approaches to soil study | 34 |
Copyright | |
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Common terms and phrases
acid agricultural animals approach areas biogeography birch Britain British Isles brown earths bryophyte Cairngorm Calluna cations cent changes chemical clay climatic climax vegetation complex conifers conservation coypus crop cycle deciduous deer disturbance dominant Ecol ecology ecosystem energy environment environmental erosion example factors fire Flandrian forest Forestry Forestry Commission gley soils grass grazing ground flora growth habitat heather herbivores horizon humus important increase influence input insect land landscape layer leached lichen litter mainly methods mineral moorland moors mountain natural nutrients oakwood occur organic parent material pattern peat pest pine pinewood Pinus plant communities podzol pollen population present PRINT#3 production quadrats Quercus Quercus petraea recent region sample Scotland Scots pine Scottish Highlands seed seedlings shrubs slopes species structure surface Table temperature tree-line trees trophic level tropical upland values vegetation wood woodland Zealand zone