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 109
... population and organism , . . . the science of ecology is not yet mature enough to mold its diverse knowledge and ... POPULATION CONTROLS IN ECOSYSTEMS Homeostatic mechanisms may determine the population level of a species in an ...
... population and organism , . . . the science of ecology is not yet mature enough to mold its diverse knowledge and ... POPULATION CONTROLS IN ECOSYSTEMS Homeostatic mechanisms may determine the population level of a species in an ...
Page 111
... population growth ( r = rapid ) . They invest little in ' defensive ' structures and are vulnerable to attacks or suppression by other species , according to Southwood ... population becomes more Population controls in ecosystems 111.
... population growth ( r = rapid ) . They invest little in ' defensive ' structures and are vulnerable to attacks or suppression by other species , according to Southwood ... population becomes more Population controls in ecosystems 111.
Page 112
... population to go into rapid decline . The phenomenon can occur fairly regularly : each rapid build - up being followed by a population ' crash ' to give a cyclic population pattern for the species . While crowding in a community is ...
... population to go into rapid decline . The phenomenon can occur fairly regularly : each rapid build - up being followed by a population ' crash ' to give a cyclic population pattern for the species . While crowding in a community is ...
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