Author: Victor G. Barnes
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 24
Book Description
Pocket gophers (Thomomy spp.) have an important effect on reforestation in the Pacific Northwest through damage to conifer reproduction. Damage is most serious east of the Cascade Range in Washington and Oregon and northeastern California. Damage also has been reported in northern Idaho. The purpose of this report is to review pocket gopher problems in the Northwest, summarize present knowledge of gopher biology, outline current control methods, and suggest future research needs.
Pocket Gophers and Reforestation in the Pacific Northwest
Author: Victor G. Barnes
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 24
Book Description
Pocket gophers (Thomomy spp.) have an important effect on reforestation in the Pacific Northwest through damage to conifer reproduction. Damage is most serious east of the Cascade Range in Washington and Oregon and northeastern California. Damage also has been reported in northern Idaho. The purpose of this report is to review pocket gopher problems in the Northwest, summarize present knowledge of gopher biology, outline current control methods, and suggest future research needs.
Publisher:
ISBN:
Category : Conifers
Languages : en
Pages : 24
Book Description
Pocket gophers (Thomomy spp.) have an important effect on reforestation in the Pacific Northwest through damage to conifer reproduction. Damage is most serious east of the Cascade Range in Washington and Oregon and northeastern California. Damage also has been reported in northern Idaho. The purpose of this report is to review pocket gopher problems in the Northwest, summarize present knowledge of gopher biology, outline current control methods, and suggest future research needs.
Pocket Gophers in Forest Ecosystems
Author: Cynthia Lea Teipner
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 60
Book Description
Publisher:
ISBN:
Category : Forest ecology
Languages : en
Pages : 60
Book Description
General Technical Report PNW-GTR
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 776
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 776
Book Description
U.S.D.A. Forest Service Research Note PNW.
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 12
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 12
Book Description
Tree Planters' Notes
Author:
Publisher:
ISBN:
Category : Tree planting
Languages : en
Pages : 472
Book Description
Some no. include reports compiled from information furnished by State Foresters (and others).
Publisher:
ISBN:
Category : Tree planting
Languages : en
Pages : 472
Book Description
Some no. include reports compiled from information furnished by State Foresters (and others).
Silvicultural Approaches to Animal Damage Management in Pacific Northwest Forests
General Technical Report PNW.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112
Book Description
Silviculture of Ponderosa Pine in the Pacific Northwest
Author: James Willis Barrett
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 112
Book Description
General Technical Report RM.
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 756
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 756
Book Description
Annotated List of Publications of the Pacific Northwest Forest and Range Experiment Station
Author: Pacific Northwest Forest and Range Experiment Station (Portland, Or.).
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 20
Book Description
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 20
Book Description