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 13
... sampling size 1/8 1/4 1/2 1 2 4 8 16 32 64 128 Quadrat size ( m2 ) 256 Fig . 2.1 A species - area curve for determining the minimum size ( minimal area ) of a representative sample from the plant community . The minimal area determined ...
... sampling size 1/8 1/4 1/2 1 2 4 8 16 32 64 128 Quadrat size ( m2 ) 256 Fig . 2.1 A species - area curve for determining the minimum size ( minimal area ) of a representative sample from the plant community . The minimal area determined ...
Page 42
... sample . For the very fine material , sieving does not always give accurate results and the Bouyoucos method is preferred . It proceeds as follows : ( a ) First remove all coarse stones from sample which is then oven - dried . ( b ) ...
... sample . For the very fine material , sieving does not always give accurate results and the Bouyoucos method is preferred . It proceeds as follows : ( a ) First remove all coarse stones from sample which is then oven - dried . ( b ) ...
Page 81
... sample and compares it in turn with every other sample in the analysis by means of a coefficient of similarity and a similarity score is obtained . The two most dissimilar samples are chosen as end points for the first axis of the ...
... sample and compares it in turn with every other sample in the analysis by means of a coefficient of similarity and a similarity score is obtained . The two most dissimilar samples are chosen as end points for the first axis of the ...
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