TY - BOOK ID - 135586815 TI - Field survey of growth and colonization of nonnative trees on mainland Alaska AU - Alden, John Norman. AU - Pacific Northwest Research Station (Portland, Or.) PY - 2006 PB - [Washington, D.C.] : USDA, Forest Service, Pacific Northwest Research Station, DB - UniCat KW - Alien plants KW - Conifers KW - Growth. KW - Colonization UR - https://www.unicat.be/uniCat?func=search&query=sysid:135586815 AB - ER -