Výsledky vyhľadávania
- Attractant semiochemicals of the engraver beetle, Ips perturbatus, in south-central and interior Alaska
Holsten Edward H.
Burnside Roger E.
Seybold Steven J.
Portland : USDA Forest Service , 2000. - 9 s. : tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - Dispersal of the spruce beetle, Dendroctonus rufipennis, and the engraver beetle, Ips perturbatus, in Alaska
Werner Richard A.
Holsten Edward H.
Portland : USDA Forest Service , 1997. - 8 s. : 4 tab., 28 cm
xkni - KNIHY
1, z toho voľných 1 - SBexpert Users Guide (Version 1.0): A Knowledge-Based Decision-Support System for Spruce Beetle Management. General Technical Report PNW-GTR-345
Reynolds Keith M.
Holsten Edward H.
Werner Richard A.
Portland : U.S.Department of Agriculture, Forest Service, Pacific Northwest Research Station , 1994. - 72 s.: 54 obr., 4 tab.
xkni - KNIHY
1, z toho voľných 1