25 pages matching Forestry in this book
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acidic agricultural animals approach areas become biogeography birch Britain British Isles brown earths Cairngorm 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 ﬂow 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 plagioclimax plant communities plant cover podzol pollen population present produce quadrat recent reﬂects regeneration region sample Scotland Scots pine Scottish Highlands seedlings shrubs slopes soil types spread stage structure surface Table temperature tree species tree-line upland usually variations vegetation whilst wood woodland zone