Basic Biogeography |
From inside the book
Results 1-3 of 70
Page 75
... ecosystem , but as succession proceeds towards the climax community it becomes low , approaching a value of unity . Whilst it is high , biomass must accumulate in the ecosystem . Figure 5.2 shows the food - web pattern for a coral reef ...
... ecosystem , but as succession proceeds towards the climax community it becomes low , approaching a value of unity . Whilst it is high , biomass must accumulate in the ecosystem . Figure 5.2 shows the food - web pattern for a coral reef ...
Page 86
... ecosystems . Ecosystem productivity The amount of biological material in an ecosystem at any given time is known as the standing biomass . Thus the standing biomass of the wheat plant in a wheatfield at any given moment would be ...
... ecosystems . Ecosystem productivity The amount of biological material in an ecosystem at any given time is known as the standing biomass . Thus the standing biomass of the wheat plant in a wheatfield at any given moment would be ...
Page 90
... ecosystem , so are the essential features of the ecosystem concept very similar to what has always been the core of the geographical approach ? Yes , so much so that Stoddart points to four properties of ecosystems which make the ...
... ecosystem , so are the essential features of the ecosystem concept very similar to what has always been the core of the geographical approach ? Yes , so much so that Stoddart points to four properties of ecosystems which make the ...
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 biotic birch Britain British Isles brown earths Cairngorm Cairngorm Mountains Calluna changes chemical clay climatic climax community climax vegetation complex conservation 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 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 stage structure surface Table temperature timber-line tree-line upland usually variations vegetation whilst wood woodland zone