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 90
... growing at any site . Walker concluded that the infill in most ponds was material brought in from outside , by erosion and run - off , and not deposited organic matter from the plants themselves . The climax for these sites appeared to ...
... growing at any site . Walker concluded that the infill in most ponds was material brought in from outside , by erosion and run - off , and not deposited organic matter from the plants themselves . The climax for these sites appeared to ...
Page 141
... grown under varying conditions of soil and shade . ( Photograph by J. S. Cocks , reproduced by permission of Dr. P. Wardle ... growing naturally in the field . Small branches still attached to the tree are sealed within electronically ...
... grown under varying conditions of soil and shade . ( Photograph by J. S. Cocks , reproduced by permission of Dr. P. Wardle ... growing naturally in the field . Small branches still attached to the tree are sealed within electronically ...
Page 149
... growing conditions of a valley site ( 700 m ) could withstand the test conditions of 15 ° C and 43 per cent relative humidity without showing signs of drought damage for twice as long as those poorly developed shoots which had grown ...
... growing conditions of a valley site ( 700 m ) could withstand the test conditions of 15 ° C and 43 per cent relative humidity without showing signs of drought damage for twice as long as those poorly developed shoots which had grown ...
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