Basic BiogeographyBasic considerations. Introduction. Inital approaches to vegetation study. Inital approaches to soil study. Plant dynamics and the nature of vegetation. Ecosystems. Ecological factors and environmental variations. distubed ecosystems. Selected examples from the British Isles. The vegetation. The soils. The impact of man. |
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Page 26
Much depends on the purpose of the study, the accuracy required and the time
available. A quick reconnaissance of a large area might best be dealt with by
physiognomic methods. A detailed study of floristic variations over a small area in
...
Much depends on the purpose of the study, the accuracy required and the time
available. A quick reconnaissance of a large area might best be dealt with by
physiognomic methods. A detailed study of floristic variations over a small area in
...
Page 63
Their essential problem was to select vegetational reference points', sufficient in
kind and number for an adequate representation of the total range of variation
found in the vegetation. Poore expressed this concept of reference points in a
field ...
Their essential problem was to select vegetational reference points', sufficient in
kind and number for an adequate representation of the total range of variation
found in the vegetation. Poore expressed this concept of reference points in a
field ...
Page 201
These variations might not have always involved the dominant species of trees
but might have been more in terms of changes in associated trees, shrubs or
ground flora species. We have strong climatic gradients across the British Isles (
from ...
These variations might not have always involved the dominant species of trees
but might have been more in terms of changes in associated trees, shrubs or
ground flora species. We have strong climatic gradients across the British Isles (
from ...
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Contents
Introduction | 3 |
Initial approaches to vegetation study | 11 |
Initial approaches to soil study | 28 |
Copyright | |
9 other sections not shown
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Common terms and phrases
acidic activities agricultural animals approach areas associated become birch Britain British brown cause changes chemical Class clay climatic complex cover crop cycle described detailed determine dominant early ecological ecosystem effect energy environment environmental established example exist factors field fire forest frequently further gley grass grazing ground growing growth horizon humus important increase influence insect land layer less limit loss material measure methods mountain native natural North nutrients oakwoods occur operate organic particularly pattern peat period pest pine plant podzol population present problem produce reach recent reference region relatively result seedlings similar slopes soil species spread stage stands structure succession surface Table tree tree-line types unit upland usually variations various vegetation whilst wood woodland zone
Bibliographic information
| Title | Basic Biogeography A Longman Text |
| Author | Nigel Pears |
| Edition | 3, illustrated, reprint |
| Publisher | Longman, 1977 |
| Original from | the University of Michigan |
| Digitized | 22 Aug 2011 |
| ISBN | 0582484014, 9780582484016 |
| Length | 272 pages |
| Export Citation | BiBTeX EndNote RefMan |