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Filtering by: Creator Crocker, Marvin D., 1934- Advisor Jensen, J. Granville

The evolution of Mexican forest policy and its influence upon forest resources

Creator:

Crocker, Marvin D., 1934-

Abstract:

During the Colonial Period, in Mexico there was no rational forest development policy and, as a result, forest resources were squandered and to a considerable extent destroyed. During the Nineteenth Century, a rational forest policy began to be promoted, but in the end, it was translated into a policy of...

Resource Type:

Dissertation

Full Text:

end that the citizenry appreciates and respects forest values. 0 1973 MARVIN D. CROCKER ALL
A biogeographical analysis of some relationships between man, land, and wildlife in Belize (British Honduras)

Creator:

Frost, Marvin D.

Abstract:

This thesis research consists of an investigation of the human influences on wildlife in Belize. The study was accomplished by the collection and analysis of data with respect to land use, habitat characteristics, and wildlife status in Belize. Requirements and status of many species are tabulated in order to give...

Resource Type:

Dissertation

Full Text:

(British Honduras) by Marvin D. Frost A THESIS submitted to Oregon State University in partial
Weather as an influencing factor in the use of Oregon's coastal recreation areas

Creator:

Rense, William Childs, 1944-

Abstract:

The role of weather in influencing tourist-recreation visitation to the Oregon coast during the six-month summer season of May through October has been investigated by this research. In addition, the normal day-to-day fluctuations in coastal visitation has been determined. Based upon the normal visitation, the tourist-recreation season on Oregon's coast...

Resource Type:

Dissertation

Full Text:

contributions of Chapter V. Special recognition must be extended to Marvin and Lauri Crocker, whose unstinting