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 191
... insect is exposed to an outside source of synthetic juvenile hormone which prevents the onset of sexual maturity . Until recently , it was thought that these techniques were highly specific but McNeil produces evidence for damage also ...
... insect is exposed to an outside source of synthetic juvenile hormone which prevents the onset of sexual maturity . Until recently , it was thought that these techniques were highly specific but McNeil produces evidence for damage also ...
Page 196
... insect has the capacity to become a pest if subsequent changes by man favour this development . The pest potential of a native insect population is thus virtually unknown . What has been said in general terms for insect pests probably ...
... insect has the capacity to become a pest if subsequent changes by man favour this development . The pest potential of a native insect population is thus virtually unknown . What has been said in general terms for insect pests probably ...
Page 249
... INSECTS . Unlike the oakwoods , native pinewood is seldom seriously damaged by insect outbreaks . Many species of insect exist but the populations are usually well balanced . Some damage is done by the larger pine - shoot beetle ...
... INSECTS . Unlike the oakwoods , native pinewood is seldom seriously damaged by insect outbreaks . Many species of insect exist but the populations are usually well balanced . Some damage is done by the larger pine - shoot beetle ...
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