Symposium on Forestry and the Public Welfare: Papers Read Before the American Philosophical Society, Autumn General Meeting November 17, 1944American philosophical society, 1945 - 90 pages |
From inside the book
Results 1-3 of 11
Page 402
... climate , swampier than when it was covered with forest . Conversely , a swamp may be partially drained by reforestation , the trees acting as living pumps . In hilly and mountainous country , for- ests are conservers of water for ...
... climate , swampier than when it was covered with forest . Conversely , a swamp may be partially drained by reforestation , the trees acting as living pumps . In hilly and mountainous country , for- ests are conservers of water for ...
Page 452
... climate ; but even if in Europe deforestation had proceeded at an accelerated pace , during the more modern period , the total changes were comparatively so slow as to be al- most imperceptible . In America , on the contrary , large ...
... climate ; but even if in Europe deforestation had proceeded at an accelerated pace , during the more modern period , the total changes were comparatively so slow as to be al- most imperceptible . In America , on the contrary , large ...
Page 453
... climate as it was and more or less successfully had attempted to adapt themselves to surrounding conditions . In America , the colonists had actually created a new climate and modified natural conditions to such an extent that they felt ...
... climate as it was and more or less successfully had attempted to adapt themselves to surrounding conditions . In America , the colonists had actually created a new climate and modified natural conditions to such an extent that they felt ...
Contents
Forests in Relation to Soil and Water | 399 |
Worldwide Needs of Woods as a Land Conservation Crop | 408 |
Americas Role in Meeting World Timber Needs | 418 |
3 other sections not shown
Common terms and phrases
agricultural American forest American Philosophical Society André François André Michaux ashes billion burning cedar cent century clearing climate cooperation corn crop cubic feet cultivation deforestation destruction developed district economic especially Europe European farm felled fence fire forest conservation forest industries forest land forest owners forest products Forest Service Forests and Parks fuel Government ground growing growth Humphrey Marshall hundred important improvement cutting increase JEREMY BELKNAP John Bartram John Evelyn labor Lebanon less logs lumber lumber industry manufacture mast measures ment Michaux mountains nature needs November 17 operation ownership paper pasture Pennsylvania Philadelphia pine plants pot ashes present problem protection public ownership pulp pulpwood raw materials region Regulation settlements settlers ship slopes soil stands stumps supply surface runoff timber timber products timberland tion tracts Travels trees United Virginia wind wood products wood pulp woodland woodlot