| Type |  Book |
| ชื่อเรื่อง | Effects of forest management on understory and overstory vegetation : a retrospective study / David R. Thysell and Andrew B. Carey |
| ผู้แต่ง | Thysell, David R |
| พิมพลักษณ์ | Portland, Or. : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 2000 |
| รูปเล่ม | 41 p. : ill |
| หัวเรื่อง | Forest canopies --United States --Washington (State) --Fort lewis [] |
| | Forest management --United States --Washington (State) --Fort lewis [] |
| | Plant diversity --United States --Washington (State) --Fort lewis [] |
| | Understory plants --United States --Washington (State) --Fort lewis [] |