December 2011

Vancouver is planning a high tech greenhouse to go on a parking garage.  See more in the article:

A new book presents in depth information on how trees change with time.  The book’s authors are researchers at the Forest Service’s Pacific Northwest Research Station.  The book is available from your favorite bookseller.  More information is avilable at the publisher’s website:

A new guide to invasive plants is now available.  Nonnative Plants of the Pacific Coast Region-  a field guide for identification is available from the Forest Service’s Pacific Northwest Research Station  as a 12 mb download or a hardcopy that can be requested.  This thorough  guide has  color  pictures and  descriptions to aid identification.  Download is available from:   and the hardcopy version can be ordered by   sending an e-mail to Ask for