Index Catalog // ScholarsArchive@OSU

Historical forest succession and disturbance dynamics in Coastal Douglas-fir forests in the southern western Cascades of Oregon

Creator:: Merschel, Andrew G.
Abstract:: Coastal Douglas-fir (Pseudotsuga menziesii var menziesii) forests are extensive west of the crest of the Cascade Mountains in Oregon and Washington and are renowned for their productivity, biodiversity, and the ecosystem services they provide. Increasing wildfire activity in recent years including the extensive 2020 Labor Day fires, and a warming...
Resource Type:: Dissertation
Full Text:: . ©Copyright by Andrew G. Merschel September 17, 2021 All Rights Reserved Historical Forest

Stand Structure of Old Growth Dry Mixed Conifer Forests in the Deschutes and Ochoco National Forests

Creator:: Merschel, Andrew G.
Abstract:: Old-growth dry-mixed conifer forests are valued as habitats for late seral forest species, for the ecosystem services and landscape diversity they provide, and for their aesthetic appeal. The structure of these forests has been heavily altered by historic logging of overstory ponderosa pine and Douglas-fir. Additionally, changes in fire regime...
Resource Type:: Honors College Thesis
Full Text:: THE THESIS OF Andrew G. Merschel for the degree of Honors Baccalaureate of Science in Natural

Mixed-conifer forests of central Oregon : structure, composition, history of establishment, and growth

Creator:: Merschel, Andrew G.
Abstract:: The structure and composition of mixed-conifer forest (MCF) in central Oregon has been altered by fire exclusion and logging. The resulting increased density, spatial contagion, and loss of fire resistant trees decrease the resiliency of this ecosystem to fire, drought, and insects. The historical and current composition and structure of...
Resource Type:: Masters Thesis
Full Text:: , Composition, History of Establishment, and Growth AN ABSTRACT OF THE THESIS OF Andrew G. Merschel

Mixed-conifer forests of central Oregon: effects of logging and fire exclusion vary with environment

Creator:: Merschel, Andrew G., Spies, Thomas A., and Heyerdahl, Emily K.
Abstract:: Twentieth-century land management has altered the structure and composition of mixed-conifer forests and decreased their resilience to fire, drought, and insects in many parts of the Interior West. These forests occur across a wide range of environmental settings and historical disturbance regimes, so their response to land management is likely...
Resource Type:: Article
Full Text:: central Oregon: effects of logging and fire exclusion vary with environment ANDREW G. MERSCHEL,1,4 THOMAS

Salmon River Estuary hydrographic survey and analysis

Creator:: Coulton, Kevin G., Philip Williams & Associates, Crane & Merseth, and Siuslaw National Forest (Or.)
Abstract:: Best scan available. Copy scanned is a photocopy of the original. Some pages are dark and have missing or skewed text.
Resource Type:: Technical Report
Full Text:: , CORVALLIS, OREGON 97333 Prepared by KEVIN G. COULTON, P.E. CONSULTING IN COASTAL & WATERSHED HYDROLOGY

DNA Mismatch Repair-Dependent Suppression of Genotoxicity of Benzo[a]pyrene Diol Epoxide

Creator:: Kernan, Casey P.
Abstract:: DNA mismatch repair (MMR) plays an important role in preserving genomic stability and reducing cancer risk. Environmental exposures to polycyclic aromatic hydrocarbons (PAHs) are believed to contribute significantly to carcinogenesis. PAHs are found in food, air, water and soil and upon bioactivation can form diol epoxides which are electrophilic in...
Resource Type:: Presentation and Undergraduate Thesis

Spatio-Temporal Patterns of Tree Establishment in the M1 Meadow of the H.J. Andrews Experimental Forest

Creator:: Jones, Katherine E.
Abstract:: Montane meadows in the Cascade Range of Oregon have been declining due to tree establishment since records began. Montane meadow complexes in the H.J. Andrews Experimental Forest shrank by 60 to 75% from 1949 to 2005, but fine scale temporal and spatial processes of tree establishment in these meadows are...
Resource Type:: Masters Thesis
Full Text:: Research were invaluable. Special thanks to Andrew Merschel for his advice, availability, and willingness

Frequency, Distribution, Ploidy Diversity and Control Options of Herbicide Resistant Italian Ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) Populations in Western Oregon

Creator:: Bobadilla, Lucas K.
Abstract:: Italian ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) is one of the most troublesome weeds with respect to herbicide resistance selection. Some reasons for this are the numerous documented cases of multiple and cross herbicide resistance and some of the biological characteristics of this species, such as wind cross-pollination...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________________ Andrew G. Hulting Italian ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) is one

Feasibility study for a Tillamook County dairy waste treatment and methane generation facility

Creator:: Edgar, Thom G.
Abstract:: With the expansion of the Tillamook Creamery, in Tillamook Oregon, to double or more its cheese production, the demand for milk presents an economic opportunity for the member dairies of the Tillamook County Creamery Association. Before area dairies can expand their herd size to increase milk production for the creamery,...
Resource Type:: Masters Thesis
Full Text:: for Privacy Dr. Andrew G. Hashimoto With the expansion of the Tillamook Creamery, in Tillamook Oregon

Succession of the under-ice fauna on fast ice off Narwhal Island, Alaska in 1980 and a report on an exclusion experiment of sub-ice fauna from the ice

Creator:: Kern, John Christopher
Resource Type:: Masters Thesis
Full Text:: of Sub-Ice Fauna from the Ice abstract Approved: G. CarV/ Jr. Sea ice provides an unique habitat

ScholarsArchive@OSU

Historical forest succession and disturbance dynamics in Coastal Douglas-fir forests in the southern western Cascades of Oregon

Stand Structure of Old Growth Dry Mixed Conifer Forests in the Deschutes and Ochoco National Forests

Mixed-conifer forests of central Oregon : structure, composition, history of establishment, and growth

Mixed-conifer forests of central Oregon: effects of logging and fire exclusion vary with environment

Salmon River Estuary hydrographic survey and analysis

DNA Mismatch Repair-Dependent Suppression of Genotoxicity of Benzo[a]pyrene Diol Epoxide

Spatio-Temporal Patterns of Tree Establishment in the M1 Meadow of the H.J. Andrews Experimental Forest

Frequency, Distribution, Ploidy Diversity and Control Options of Herbicide Resistant Italian Ryegrass (Lolium perenne L. spp. multiflorum (Lam.) Husnot) Populations in Western Oregon

Feasibility study for a Tillamook County dairy waste treatment and methane generation facility

Succession of the under-ice fauna on fast ice off Narwhal Island, Alaska in 1980 and a report on an exclusion experiment of sub-ice fauna from the ice

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