Basic BiogeographyFirst published in 1985. Routledge is an imprint of Taylor & Francis, an informa company. |
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Page 74
... shrubs and alpine grasslands . For centuries shifting agriculture was practised on these slopes . Robbins shows that when cultivation plots are abandoned they are first invaded by tall sword - grass ( Miscanthus floridulus ) . Shrubs ...
... shrubs and alpine grasslands . For centuries shifting agriculture was practised on these slopes . Robbins shows that when cultivation plots are abandoned they are first invaded by tall sword - grass ( Miscanthus floridulus ) . Shrubs ...
Page 224
... shrubs may be present . Betula pubescens ( birch ) is often a main shrub but Ilex aquifolium ( holly ) , Alnus glutinosa ( alder ) and others may also occur . The ground flora is frequently continuous and commonly includes Pteridium ...
... shrubs may be present . Betula pubescens ( birch ) is often a main shrub but Ilex aquifolium ( holly ) , Alnus glutinosa ( alder ) and others may also occur . The ground flora is frequently continuous and commonly includes Pteridium ...
Page 251
... shrubs . A few trees or tall shrubs may be present but quite often the landscape is completely devoid of tall vegetation . Such heaths can occur at any altitude but most found in lowland areas of southern Britain only persist because ...
... shrubs . A few trees or tall shrubs may be present but quite often the landscape is completely devoid of tall vegetation . Such heaths can occur at any altitude but most found in lowland areas of southern Britain only persist because ...
Contents
Introduction | 3 |
Initial approaches to vegetation study | 12 |
Initial approaches to soil study | 34 |
Copyright | |
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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