Basic Biogeography |
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Page 14
... structure : the set of life - forms found in a plant community and their spatial arrangement constitute the primary morpho- logical feature of that vegetation and bestow upon it a more or less definite structure . Strictly speaking ...
... structure : the set of life - forms found in a plant community and their spatial arrangement constitute the primary morpho- logical feature of that vegetation and bestow upon it a more or less definite structure . Strictly speaking ...
Page 33
... structure . The colloids of clay and organic matter bind together the other soil constituents to form aggregates . A natural soil aggregate is known as a ped . Structure refers to the type of aggregate formed by soil particles within ...
... structure . The colloids of clay and organic matter bind together the other soil constituents to form aggregates . A natural soil aggregate is known as a ped . Structure refers to the type of aggregate formed by soil particles within ...
Page 81
... structure of the population and its sex ratio . A rapidly expanding population has by far the largest number of individuals in the young age group , either capable of breeding or soon to be so . This will give a pyramidal age structure ...
... structure of the population and its sex ratio . A rapidly expanding population has by far the largest number of individuals in the young age group , either capable of breeding or soon to be so . This will give a pyramidal age structure ...
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