An economic model for selecting Douglas-fir reforestation projects
نویسندگان
چکیده
منابع مشابه
Douglas-fir beetle
1Principal Entomologist and Project Leader (retired), Forestry Sciences Laboratory, USDA Forest Service, Moscow, ID; 2Forest Entomologist, USDA Forest Service, Forest Health Protection, Northern Region, Coeur d’Alene, ID. Douglas-fir beetle galleries are distinctive, having eggs laid individually in niches alternating on opposite sides of the gallery. The Douglas-fir beetle (Dendroctonus pseudo...
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ژورنال
عنوان ژورنال: Hilgardia
سال: 1973
ISSN: 0073-2230
DOI: 10.3733/hilg.v42n03p035