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 117
... agricultural ecosystem , will concentrate his attention on one species , or at most a few , to the exclusion of the other species present . With modern agricultural methods , there is a ruthless elimination of all plant and animal ...
... agricultural ecosystem , will concentrate his attention on one species , or at most a few , to the exclusion of the other species present . With modern agricultural methods , there is a ruthless elimination of all plant and animal ...
Page 196
... agricultural practices . In the early days of agriculture , some 10,000 years ago , Huffaker's triumvirate in insect containment operated . The first cultivated crops were similar to types existing in the wild , which had evolved over ...
... agricultural practices . In the early days of agriculture , some 10,000 years ago , Huffaker's triumvirate in insect containment operated . The first cultivated crops were similar to types existing in the wild , which had evolved over ...
Page 322
... AGRICULTURE Farming has often been in competition with forestry , particularly in upland areas where clashes also exist with some of the other forms of land use discussed . Indeed , as we have seen , most agricultural land has resulted ...
... AGRICULTURE Farming has often been in competition with forestry , particularly in upland areas where clashes also exist with some of the other forms of land use discussed . Indeed , as we have seen , most agricultural land has resulted ...
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