Basic BiogeographyFirst published in 1985. Routledge is an imprint of Taylor & Francis, an informa company. |
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Page 76
... trees different from those forming the canopy . His mosaic or cyclic theory of regeneration argued that the present trees in a locality would be succeeded by a different combination of trees . The vegetation is , therefore , constant ...
... trees different from those forming the canopy . His mosaic or cyclic theory of regeneration argued that the present trees in a locality would be succeeded by a different combination of trees . The vegetation is , therefore , constant ...
Page 246
... trees 7,860 From field - layer 1,760 As caterpillar droppings 14 Accumulated In trees 9,040 In A。 horizon 1,290 Removed As harvested tree trunks 5,200 By litter decomposition 8,330 Left in soil as roots of harvested trees 2,100 * Oven ...
... trees 7,860 From field - layer 1,760 As caterpillar droppings 14 Accumulated In trees 9,040 In A。 horizon 1,290 Removed As harvested tree trunks 5,200 By litter decomposition 8,330 Left in soil as roots of harvested trees 2,100 * Oven ...
Page 265
... trees ( e.g. sycamore ) . Secondly , many exotic trees intro- duced in the eighteenth century for ornamental purposes when parklands were laid out for the nobility . In some districts , these trees now contribute a highly valued and ...
... trees ( e.g. sycamore ) . Secondly , many exotic trees intro- duced in the eighteenth century for ornamental purposes when parklands were laid out for the nobility . In some districts , these trees now contribute a highly valued and ...
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