Basic Biogeography |
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Page 95
... particularly marked in the early reproductive stages ) ; a species may have a wide tolerance range for one factor but a very narrow range for a second factor . As Toumey states , ' when the absence of a particular vegetation is ...
... particularly marked in the early reproductive stages ) ; a species may have a wide tolerance range for one factor but a very narrow range for a second factor . As Toumey states , ' when the absence of a particular vegetation is ...
Page 236
... particularly in terms of the conservation problems they pose for our environmental planners . The legacy of human interference From about 5000 B.C. onwards man has had an ever - increasing influence in deter- mining the distribution and ...
... particularly in terms of the conservation problems they pose for our environmental planners . The legacy of human interference From about 5000 B.C. onwards man has had an ever - increasing influence in deter- mining the distribution and ...
Page
... particularly to meet the needs of students taking Biogeography as one element in a basic general Physical Geography course . Dr Pears recognises that most of these students will not go on to specialise in the subject , and will have ...
... particularly to meet the needs of students taking Biogeography as one element in a basic general Physical Geography course . Dr Pears recognises that most of these students will not go on to specialise in the subject , and will have ...
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