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 22
... detailed classification of the hydrophytes along these lines.) 3. 4. 5. For any area a histogram can be produced showing the percentages of the total flora falling into the various life-form categories. Raunkiaer expanded these ideas ...
... detailed classification of the hydrophytes along these lines.) 3. 4. 5. For any area a histogram can be produced showing the percentages of the total flora falling into the various life-form categories. Raunkiaer expanded these ideas ...
Page 24
... more precise description of the vegetation stand, the plot studied in the field. They are based on its detailed species composition o 9 ) o % |5( Fig. 2.8 Model describing. 24 Initial approaches to vegetation study Floristic methods.
... more precise description of the vegetation stand, the plot studied in the field. They are based on its detailed species composition o 9 ) o % |5( Fig. 2.8 Model describing. 24 Initial approaches to vegetation study Floristic methods.
Page 30
... detailed studies, particularly those associated with European phytosociologists. While physiognomic methods tend to emphasize the vertical arrangements within the plant community, floristic methods bring out more strongly the horizontal ...
... detailed studies, particularly those associated with European phytosociologists. While physiognomic methods tend to emphasize the vertical arrangements within the plant community, floristic methods bring out more strongly the horizontal ...
Page 31
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Page 39
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acid activities agricultural animals approach areas associated become Britain British brown cause cent changes chemical Class clay climatic complex conservation cover crop cycle detailed determined disturbance dominant early Ecol ecology ecosystem effects energy environment environmental established example exist factors field fire forest further grass grazing ground growing growth horizon humus important increase influence insect land layer lead less limit loss major material measure methods mountain natural North nutrients oakwood occur organic particularly pattern peat period pest pine plant population present problem processes production range reached recent reference region relatively seed shown similar slopes soil species spread stage stands structure succession surface Table temperature trees types unit upland usually values vegetation wind wood woodland zone