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 227
What is the cause of the extensive erosion of upland peats and peaty soils in this
country ? Erosion is taking place extensively throughout the blanket peats of the
British Isles , not only in our uplands but also in some northern lowland areas .
What is the cause of the extensive erosion of upland peats and peaty soils in this
country ? Erosion is taking place extensively throughout the blanket peats of the
British Isles , not only in our uplands but also in some northern lowland areas .
Page 228
But extensive or repeated breaching or anything that prevents Sphagnum growth
could cause serious peat erosion . More recently , atmospheric pollutants have
been cited as a possible cause for the severe reduction in the Sphagnum cover ...
But extensive or repeated breaching or anything that prevents Sphagnum growth
could cause serious peat erosion . More recently , atmospheric pollutants have
been cited as a possible cause for the severe reduction in the Sphagnum cover ...
Page 250
available may cause a greater strain on many of the other facilities in the district .
So , to a certain extent , these ' improvements ' can be self - defeating . For
example , motorway constructions now nearly completed in southern England
will ...
available may cause a greater strain on many of the other facilities in the district .
So , to a certain extent , these ' improvements ' can be self - defeating . For
example , motorway constructions now nearly completed in southern England
will ...
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Contents
Introduction | 3 |
Initial approaches to vegetation study | 11 |
Initial approaches to soil study | 28 |
Copyright | |
7 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 ecology ecosystem effect energy environment environmental established example exist factors field fire flora 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 organic particularly pattern peat period pest pine plant podzol pollen 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 |