The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 39
... Natural Resources Although the history of conservation is as old as man- kind , the use of the word in the contemporary context is relatively recent . Over the years conservation has ac- quired many connotations : to some people it has ...
... Natural Resources Although the history of conservation is as old as man- kind , the use of the word in the contemporary context is relatively recent . Over the years conservation has ac- quired many connotations : to some people it has ...
Page 40
Natural- resource " wants " Excessive resource demands and waste Sustained yield Conflicting govern- mental roles Primitive hunting and agri- cultural abuses. could be rendered palatable or more palatable by being heated . The primary ...
Natural- resource " wants " Excessive resource demands and waste Sustained yield Conflicting govern- mental roles Primitive hunting and agri- cultural abuses. could be rendered palatable or more palatable by being heated . The primary ...
Page 52
... natural communities are important to the con- tinued operation of those systems that man has created . Watershed forests are protected so as to maintain stream- flow and to avoid siltation of reservoirs ; estuaries are pro- tected so as ...
... natural communities are important to the con- tinued operation of those systems that man has created . Watershed forests are protected so as to maintain stream- flow and to avoid siltation of reservoirs ; estuaries are pro- tected so as ...
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Common terms and phrases
Africa American animals areas asthenosphere atoms bee-eaters BIBLIOGRAPHY cells centimetres century charge church cipher collagen common complex compounds conifers conodonts Conrad conservation conservatism constant constitution consumer contains continental continental drift coordination coordination compounds copper Coraciiformes coral Corbusier corporations cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Cromwell Crusade crust crustaceans cryptanalysis decapods delinquency deposits early Earth economic effect electron energy England Europe example fine-structure constant fossil France French genera geosynclines groups hoopoes hornbills important industrial involved known land Le Corbusier ligands major ment metal metres modern myth natural nuclear occur ocean offenders organic particles percent period plaintext political pollution population problems protection proton reefs result rocks sediments social species structure theory tion tradition trans United usually