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 80
... relative density , relative dominance ( determined by measuring the basal area of the species , i.e. the ground area ... relatively simple . Vegetation stands are plotted with the continuum index as the x - axis and an environmental ...
... relative density , relative dominance ( determined by measuring the basal area of the species , i.e. the ground area ... relatively simple . Vegetation stands are plotted with the continuum index as the x - axis and an environmental ...
Page 108
... Relatively simple ecosystems often show rapid population cycles and instability . A much quoted case is the predator - prey relationship seen in some Arctic communities , e.g. the lynx - snowshoe hare relationship in northern Canada ...
... Relatively simple ecosystems often show rapid population cycles and instability . A much quoted case is the predator - prey relationship seen in some Arctic communities , e.g. the lynx - snowshoe hare relationship in northern Canada ...
Page 302
... relatively pervious Cg horizon affected by free groundwater 8. Ground - water gley soils With distinct , humose or peaty topsoil and diagnostic gleyed horizon at less than 40 cm , in recent alluvium ripened to more than 20 cm , and / or ...
... relatively pervious Cg horizon affected by free groundwater 8. Ground - water gley soils With distinct , humose or peaty topsoil and diagnostic gleyed horizon at less than 40 cm , in recent alluvium ripened to more than 20 cm , and / or ...
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