Displaying 1 - 9 of 9
Stransky
From the text... 'The South is faced with the need of producing about two-thirds of the nation's pulpwood. The most efficient and perhaps the only way to achieve this goal is through intensive even-aged management--that is, by clearcutting, site…
Type: Document
Year: 1973
Wilhelm
From the Conclusions ... 'Prior to becoming a national park, Shenandoah had gone through periods of indiscriminate logging, hunting, livestock grazing, and burning. Then the area entered the National Park System and shifted abruptly to a regime of…
Type: Document
Year: 1973
Baker
[no description entered]
Type: Document
Year: 1973
Steward, Ornes
Sawgrass (Cladium jamaicense Crantz) seedlings were grown in virgin soil in a greenhouse to determine the mineral-nutrient status of plants in the field, as well as their response to nutrient enrichment. Additions of small quantities of phosphorus…
Type: Document
Year: 1973
Helmers, Cushwa
An appraisal of taiga (the northern forests of interior Alaska) environment research opportunities and needs was made based upon accomplishments since Alaskan statehood, current involvement of citizens in resource issues, information needs incident…
Type: Document
Year: 1973
Cooper
From the text (p.153-154) ... 'It has been suggested, in Arizona and elsewhere, that removal of accumulated litter and duff by prescribed burning may reduce water retention and make more moisture available for streamflow. This effect is marginal in…
Type: Document
Year: 1971
Stransky
From the text ... 'Farrar's (1968) findings suggest that near optimum timber growth is possible at growing stock levels not far above those suggested for optimum quail range. Although more detailed study may indicate a need for some adjustment, it…
Type: Document
Year: 1971
Thompson, Smith
From the Discussion and Conclusion ... 'In conclusion, we feel that the great myth of the trackless forest which covered the Northeast has obscured some of the probable reasons for the great abundance of deer, turkey, quail, and heath hen which are…
Type: Document
Year: 1971
Batchelder
From the text ... 'Fire has a long history of occurrence in the tropics, and its effects upon the physical and cultural environment have been profound. For various reasons, the frequency of occurrence of accidental fires prior to man's use of fire…
Type: Document
Year: 1967