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 135
... tree growth in these cases is almost certainly artificial . In natural conditions there would be , and often is , a broad transition zone or interdigitation of the forest and grassland vegetations . So it is not ... Tree - line studies 135.
... tree growth in these cases is almost certainly artificial . In natural conditions there would be , and often is , a broad transition zone or interdigitation of the forest and grassland vegetations . So it is not ... Tree - line studies 135.
Page 137
Nigel Pears. Fig . 6.6 The present tree - line and present potential tree - line in the Western Cairngorm Mountains , Scotland . tree - line position ( although locally other factors may be vital , as Veblen et al . demonstrate for the ...
Nigel Pears. Fig . 6.6 The present tree - line and present potential tree - line in the Western Cairngorm Mountains , Scotland . tree - line position ( although locally other factors may be vital , as Veblen et al . demonstrate for the ...
Page 150
... tree - line ecology is recognized , few specific studies exist . Odum , discussing limiting factors in ecology , stated that ecologists , being preoccupied with temperature and moisture measurements , have neglected to give due consid ...
... tree - line ecology is recognized , few specific studies exist . Odum , discussing limiting factors in ecology , stated that ecologists , being preoccupied with temperature and moisture measurements , have neglected to give due consid ...
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