Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEcological Changes in the Ponderosa Pine Forest of Cedar Valley in Southern Washington.AuthorsWeaver, HaroldPublicationEcology, 1961, Vol 42, Issue 2, p416ISSN0012-9658Publication typeArticleDOI10.2307/1932097