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 60
... slope angles , slope aspects and altitudes in the area ? Are the slopes stable ? Is material accumulating downslope ( known as colluvium ) under the influence of gravity ? What are the drainage characteristics of the site ? Is there a ...
... slope angles , slope aspects and altitudes in the area ? Are the slopes stable ? Is material accumulating downslope ( known as colluvium ) under the influence of gravity ? What are the drainage characteristics of the site ? Is there a ...
Page 133
... slope + 12 +1 +15 +9 Tree - less valley bottom ( sage bush ) 13 2 4 2,050 1,900 EL FEEEEE + 11 1.12.49 +3 +11 26.1 ... slope are shown here . For the three higher elevations on this slope the values are expressed in terms of their ...
... slope + 12 +1 +15 +9 Tree - less valley bottom ( sage bush ) 13 2 4 2,050 1,900 EL FEEEEE + 11 1.12.49 +3 +11 26.1 ... slope are shown here . For the three higher elevations on this slope the values are expressed in terms of their ...
Page 151
... slopes of the Eastern Highlands in the past would have functioned as a very efficient wind barrier . This is because ... slopes of Creag an Leth - choin . 5. At 732 m on the mid slopes . 6. At 880 m on the upper slopes of this mountain ...
... slopes of the Eastern Highlands in the past would have functioned as a very efficient wind barrier . This is because ... slopes of Creag an Leth - choin . 5. At 732 m on the mid slopes . 6. At 880 m on the upper slopes of this mountain ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 12 |
Initial approaches to soil study | 34 |
Copyright | |
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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