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Filtering by: Committee Member Coombs, Eric

An evaluation of biological control of Linaria dalmatica with Mecinus janthinus in Oregon

Creator:

Park, Alexander

Abstract:

Dalmatian toadflax (Linaria dalmatica) has become a prolific invasive plant of rangelands in Oregon since its arrival in the early 20th century. In 2001, the Oregon Department of Agriculture initiated a release program promoting the distribution of the stem-boring weevil, Mecinus janthinus as classical biological control agent to reduce densities...

Resource Type:

Masters Thesis

Full Text:

members Eric Coombs and Dr. Doug Johnson, your wisdom and guidance represented the ball of thread that
Negative effect of purple loosestrife and reed canary grass on the diversity of wetland plant and moth communities

Creator:

Schooler, Shon

Abstract:

Invasive plants have the potential to reduce the diversity of species in plant and animal communities. I examined the negative effect of two invasive wetland plants, purple loosestrife and reed canary grass, on the species richness and diversity of plant and moth communities within 24 wetland study sites in the...

Resource Type:

Dissertation

Full Text:

build this study from concept to manuscript. Eric Coombs was always there to temper theory with