Search Constraints

Start Over
Filtering by: Vancouver, Wash. : Columbia National Forest Remove constraint Vancouver, Wash. : Columbia National Forest Committee Member Appleby, Arnold Remove constraint Committee Member: Appleby, Arnold Decade 1990-1999 Remove constraint Decade: 1990-1999 Language English [eng] Remove constraint Language: English [eng] Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

Search Results

  • AppleMgr, a prototype decision aid for apple pest management

    Creator:
    Haley, Sue
    Abstract:
    Computer decision aids can help integrate and apply diverse sources of information and expertise to problems of integrated pest management (IPM) in agriculture and forestry. AppleMgr combines a rule-based expert system with databases and spreadsheets in a prototype decision aid intended to be expanded and modified for use by extension...
    Resource Type:
    Dissertation
    Full Text:
    ; Gary Olson, Northwest Chemical Corp., Salem, OR; Helmut Riedl, OSU Mid-Columbia Agric. Research & Ext

  • Taxonomy and evolution of the Orthotyline genus Lopidea (Heteroptera: miridae)

    Creator:
    Asquith, Adam
    Abstract:
    The genus Lopidea Uhler is revised for America north of Mexico. The relationship of Lopidea to other orthotyline genera is discussed and it is proposed that the genus Ilnacora Reuter is the sister group of Lopidea. Forty-eight species of Lopidea are recognized in North America, one of which is described...
    Resource Type:
    Dissertation
    Full Text:
    Carlton); University of British Columbia, Vancouver (Sydney G. Cannings); University of California

  • Systematic and reproductive studies of Mimulus (Scrophulariaceae) in the Pacific Northwest : implications for conservation biology

    Creator:
    Meinke, Robert James
    Abstract:
    The Mimulus washingtonensis complex is a group of morphologically similar species centered in the Pacific Northwest. All are rare, and most are under consideration for listing as endangered. Morphometric and pollination data were used in developing a revised taxonomy for the group. Five species and two varieties are recognized. Mimulus...
    Resource Type:
    Dissertation
    Full Text:
    19 Distribution 25 The Columbia River Gorge Taxonomic treatment 28 31 Key to Mimulus, section