38 pages matching Entomology in this book
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Wildlife and conservation
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Alice Holt analysis Arboricultural Advisory Arboriculture Research areas assessment B.Sc bark biodiversity birch BRASIER Britain British broadleaves carbon clones conifer conservation coppice Corsican pine damage deer density developed Douglas fir Dutch elm disease Ecology Edinburgh effects Entomology Environmental established European experiments Figure Forest Enterprise Forest Research Forestry Authority Forestry Commission Forestry Commission Bulletin fungi fungus genetic germination grey squirrel growth harvesting Head of Branch herbicides HMSO imazapyr increased insect larch measured ment methods moisture monitoring Mycorrhiza natural regeneration Northern Research Station Norway spruce novo-ulmi nursery Ophiostoma Ph.D Phytophthora planting poplar potential pretreatment production programme Redfern Report Research Division Research Information Note Research Office root Scots pine seed seedlings short rotation coppice Silviculture Silviculture North Sitka spruce soil South species survey temperature timber tion treatment Tree Improvement treeshelters ulmi upland vegetation Wales Wildlife windthrow wood woodland yield models