• Refine Query
  • Source
  • Publication year
  • to
  • Language
  • 3915
  • 2432
  • 427
  • 366
  • 281
  • 185
  • 144
  • 101
  • 73
  • 70
  • 70
  • 70
  • 70
  • 70
  • 68
  • Tagged with
  • 9414
  • 1535
  • 1500
  • 906
  • 900
  • 880
  • 828
  • 742
  • 686
  • 663
  • 633
  • 620
  • 563
  • 557
  • 554
  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
61

Case studies of red alder and Sitka alder in Douglas-fir plantations : nitrogen fixation and ecosystem production /

Binkley, Dan. January 1982 (has links)
Thesis (Ph. D.)--Oregon State University, 1982. / Typescript (photocopy). Includes bibliographical references (leaves 84-96). Also available on the World Wide Web.
62

Growth modeling for conifer regeneration in the northeastern Sierra Nevada of California /

Smith, Harold Gregory. January 1982 (has links)
Thesis (Ph. D.)--Oregon State University, 1982. / Typescript (photocopy). Includes bibliographical references (leaves 114-116). Also available via the World Wide Web.
63

Limits on aboveground net primary production, leaf area and biomass in vegetational zones of the Pacific Northwest /

Gholz, Henry Lewis. January 1979 (has links)
Thesis (Ph. D.)--Oregon State University, 1979. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
64

A study of optimal timing and intensity of silvicultural practices : commercial and precommercial thinning, fertilization and regeneration effort /

Kao, Chiang. January 1979 (has links)
Thesis (Ph. D.)--Oregon State University, 1980. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
65

The use of a three-stage sample to estimate the effect of commercial thinning on the growth of two stands of Douglas-fir. /

Graham, Joseph Nelson. January 1978 (has links)
Thesis (M.S.)--Oregon State University, 1979. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
66

Infiltration capacities and surface erodibility associated with forest harvesting activities in the Oregon Cascades /

Johnson, Michael G. January 1978 (has links)
Thesis (M.S.)--Oregon State University, 1979. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
67

Attitudes of forest managers toward dispersed recreation on roaded forest lands in the Pacific Northwest /

Moutsinas, Cynthia Martha. January 1976 (has links)
Thesis (M.S.)--Oregon State University, 1977. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
68

A stochastic analysis of erosion and economic impacts associated with timber harvests and forest roads /

McNutt, James A. January 1976 (has links)
Thesis (Ph. D.)--Oregon State University, 1976. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
69

The evaluation of competitive stress index as a measure of stand density for young growth Douglas-fir /

Smith, Stephen H. January 1977 (has links)
Thesis (M.S.)--Oregon State University, 1977. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.
70

Silviculture-ecology of three native California hardwoods on high sites in north central California /

McDonald, Philip M. January 1978 (has links)
Thesis (Ph. D.)--Oregon State University, 1978. / Typescript (photocopy). Includes bibliographical references. Also available on the World Wide Web.

Page generated in 0.0311 seconds