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Helge Eng

3 cilt bulundu.

Cilt sonuçları

Financial analysis of early stand treatments in southwest Oregon

Financial analysis of early stand treatments in southwest Oregon

Helge Eng · U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station

25 sayfa · 1991

Forest management / Douglas fir

Forest managementA comparison of prediction models for cover type transitions and their effects on harvest schedules in coastal OregonHelge Eng

A comparison of prediction models for cover type transitions and their effects on harvest schedules in coastal Oregon

Helge Eng · Yayınevi bilinmiyor

159 sayfa · 1992

Mathematical models / Forest site quality / Forest management

Douglas firWeibull diameter distribution models for managed stands of Douglas-fir in Washington and OregonHelge Eng

Weibull diameter distribution models for managed stands of Douglas-fir in Washington and Oregon

Helge Eng · Yayınevi bilinmiyor

31 sayfa · 1985

Weibull distribution / Douglas fir