Basic Biogeography |
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Page 22
... measures the regularity with which a species is distributed throughout the community . If we sample a moorland with 50 ... measure is simple to obtain we have to be very careful in interpreting it . The frequency values are really a ...
... measures the regularity with which a species is distributed throughout the community . If we sample a moorland with 50 ... measure is simple to obtain we have to be very careful in interpreting it . The frequency values are really a ...
Page 25
... measures we can apply to the species found in a single quadrat or stand . In applying these measures we are engaged in ... measure of the degree to which a plant is found only in a certain type of community and not in others ( i.e. its ...
... measures we can apply to the species found in a single quadrat or stand . In applying these measures we are engaged in ... measure of the degree to which a plant is found only in a certain type of community and not in others ( i.e. its ...
Page 95
... measure precisely the response of plants to ecological factors , this knowledge , apart from being vital for an ... measurement was attempted . Much environmental measurement is available only in the form of average values ( particularly ...
... measure precisely the response of plants to ecological factors , this knowledge , apart from being vital for an ... measurement was attempted . Much environmental measurement is available only in the form of average values ( particularly ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 11 |
Initial approaches to soil study | 28 |
Copyright | |
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Common terms and phrases
acidic agricultural animals approach areas become biogeography biotic birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex conservation coypus crop cycle deciduous deer dominant Ecol ecologists ecosystem energy environment environmental erosion example fire forest Forestry Forestry Commission gley soils grass grazing ground flora growth heather herbivores horizon humus important increase influence insect land landscape layer leached lichen litter methods mineral moorland moors mountain native natural nutrients oakwoods occur organic parent material pattern peat pedogenic pest pine pinewood Pinus plagioclimax plant communities plant cover podzol pollen population present produce quadrat Quercus recent regeneration region sample Scotland Scots pine Scottish Highlands seedlings shrubs slopes soil types stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone