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. |
From inside the book
Results 1-3 of 88
Page 97
... ( Nothofagus ) forests of New Zealand the timber and tree - lines sometimes coincide and Wardle defines tree - line here as the upper limit of trees and shrubs more than 2 metres high . ( 6,800 ft ) ( 2,073 m ) , Tree. Tree - line studies ...
... ( Nothofagus ) forests of New Zealand the timber and tree - lines sometimes coincide and Wardle defines tree - line here as the upper limit of trees and shrubs more than 2 metres high . ( 6,800 ft ) ( 2,073 m ) , Tree. Tree - line studies ...
Page 101
... tree species present at the altitudinal limits of forest growth and the ' Massenerhebung effect ' ( see text ) . On Mt Patscher- kofel ( 2,247 m ) the waldgrenze occurs at 1,950 m ... tree - line position . But there. Tree - line studies 101.
... tree species present at the altitudinal limits of forest growth and the ' Massenerhebung effect ' ( see text ) . On Mt Patscher- kofel ( 2,247 m ) the waldgrenze occurs at 1,950 m ... tree - line position . But there. Tree - line studies 101.
Page 103
... tree - limits , or be particularly important in a local context , none by itself explained the worldwide phenomenon of the tree - line . He argued , ' because a great many genetically distinct trees contribute different segments of a ...
... tree - limits , or be particularly important in a local context , none by itself explained the worldwide phenomenon of the tree - line . He argued , ' because a great many genetically distinct trees contribute different segments of a ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 11 |
Initial approaches to soil study | 28 |
Copyright | |
9 other sections not shown
Other editions - View all
Common terms and phrases
acidic agricultural animals approach areas become biogeography birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex 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 Highlands 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 spread stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone