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 107
... increase homeostasis , providing more protection for the members of the community from external change . As an undisturbed ecosystem matures , there is increased symbiosis between species and many specialized population interactions ...
... increase homeostasis , providing more protection for the members of the community from external change . As an undisturbed ecosystem matures , there is increased symbiosis between species and many specialized population interactions ...
Page 179
... increase . Control by poisoning and sprays was unsuccessful and the latest methods include the wholesale dynamiting of the night roosts ( the trees ! ) . In the early 1960s some 264 million birds died in a two - year campaign but the ...
... increase . Control by poisoning and sprays was unsuccessful and the latest methods include the wholesale dynamiting of the night roosts ( the trees ! ) . In the early 1960s some 264 million birds died in a two - year campaign but the ...
Page 276
... increase with depth due to redeposition at lower levels . Similarly , humus products may increase slightly the organic content of the B horizons or zones of illuviation . The surface mor is strongly acid , pH 4 or less , but the lower ...
... increase with depth due to redeposition at lower levels . Similarly , humus products may increase slightly the organic content of the B horizons or zones of illuviation . The surface mor is strongly acid , pH 4 or less , but the lower ...
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