Index Catalog // ScholarsArchive@OSU

Habitat associations and determinants of refuge use in post-settlement lingcod (Ophiodon elongatus)

Creator:: Petrie, Megan E.
Abstract:: Lingcod are an overexploited fish species in the Pacific Northwest and although there has been extensive study of the habitat requirements of adults, particularly during spawning, relatively little is known regarding the habitat requirements of post-settlement juveniles. Many juvenile fish use structural components of habitat to alleviate the risk of...
Resource Type:: Masters Thesis
Full Text:: OF Megan E. Petrie for the degree of Master of Science in Fisheries Science presented on May 23

Temporal Variation in the Prey Resource Portfolio of Juvenile Salmonids During Freshwater Rearing

Creator:: Brady, Megan E.
Abstract:: Freshwater rearing is a critical period in the life cycle of anadromous salmonids, known to produce carry-over effects mediating long-term growth and survival. Freshwater growth is primarily determined by food availability and temperature. While many species of salmon rear in freshwater for a full year or longer, most trophic ecology...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Megan E. Brady for the

Invasive bullfrog use of novel ephemeral habitats in the Pacific Northwest

Creator:: Cook, Megan Tetsuko
Abstract:: Invasive species are a major threat to global biodiversity. Understanding the mechanisms underlying successful invasions is imperative for developing effective management strategies. Plasticity in physiological, morphological, and behavioral traits could be an indicator of invasion potential in non-native species. The invasive American bullfrog (Lithobates catesbeianus) has recently been observed breeding...
Resource Type:: Masters Thesis
Full Text:: Megan T. Cook Thesis AN ABSTRACT OF THE THESIS

Evidence for Cross-Seasonal Effects: Insights from Long-term Data on Northern Pintail

Creator:: Zarzycki, Megan C.
Abstract:: Cross-seasonal effects, where conditions in one season can have consequences in a following season, can have population-level implications for migratory species. To assess the presence of cross-seasonal effects on a migratory dabbling duck population, we examined the relative importance of habitat conditions in multiple seasons on the subsequent productivity of...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Megan Zarzycki for

Invasive bullfrog larvae lack developmental plasticity to changing hydroperiod

Creator:: Cook, Megan T., Heppell, Selina S., and Garcia, Tiffany S.
Abstract:: Determining the mechanisms responsible for the success of invasive species is critical for developing effective management strategies. Artificially draining managed wetlands to maintain natural ephemeral conditions is a common practice in the Pacific Northwest and is assumed to kill invasive American bullfrog (Lithobates catesbeianus) larvae, which typically overwinter in permanent...
Resource Type:: Article
Full Text:: to Changing Hydroperiod MEGAN T. COOK,1,2 Department of Fisheries and Wildlife, Oregon State

Developmental rate: A unifying mechanism for sympatric divergence in postglacial fishes?

Creator:: Mcphee, Megan V., Noakes, David L. G., and Allendorf, Fred W.
Abstract:: Morphologically divergent ecotypes arise in fish populations on postglacial time scales, and resource polymorphisms are often invoked to explain their origin. However, genetic recombination can constrain the ability of divergent selection to produce reproductive isolation in sympatry. Recombination breaks up favorable combinations of traits (”adaptive suites”) if individual traits are...
Resource Type:: Article
Full Text:: . ∗ Corresponding author. E-mail: mvmcphee@alaska.edu © 2012 Current Zoology Developmental rate: A unifying

Local and regional stressors interact to drive a salinization-induced outbreak of predators on oyster reefs

Creator:: Kimbro, David L., White, J. Wilson, Tillotson, Hanna, Cox, Nikkie, Christopher, Megan, Stokes-Cawley, Owen, Yuan, Samantha, Pusack, Timothy J., and Stallings, Christopher D.
Abstract:: Predator outbreaks are predicted to increasingly decimate economically and ecologically important prey populations because global climate change and food-web modifications frequently facilitate predators and stress prey. Natural systems are organized hierarchically, with processes operating at multiple scales giving rise to patterns of biodiversity, so predicting and managing outbreaks requires a...
Resource Type:: Article
Full Text:: TILLOTSON,3 NIKKIE COX,3 MEGAN CHRISTOPHER,3 OWEN STOKES-CAWLEY,1 SAMANTHAYUAN,3 TIMOTHY J. PUSACK,4 AND

Using Satellite Imagery to Count Nesting Albatross from Space

Creator:: Dolliver, Jane E.
Abstract:: One fundamental concern in conservation biology is species abundance. For many taxa, however, these data are costly to obtain via direct observation and thus limited in geographic or temporal scope. Very high-resolution satellite imagery provides a means to address these limitations and provide remotely-sensed counts of large, colonial species. We...
Resource Type:: Masters Thesis
Full Text:: Chilton, Megan Dalton, Beth Flint, Hiroshi Hasegawa, Jenny Johnson, Eric VanderWerf, and Lindsay Young

Seasonal movement patterns and habitat use of westslope cutthroat trout in two headwater tributary streams of the John Day River

Creator:: Starcevich, Steven J.
Abstract:: Radiotelemetry was used to study the seasonal movements and habitat use of adult westslope cutthroat trout Oncorhynchus clarki lewisi in Roberts Creek and Rail Creek, headwater tributaries of the John Day River, Oregon, from September 2000 to December 2001. The objectives were to (1) describe adult cutthroat trout life history...
Resource Type:: Masters Thesis
Full Text:: : _____________________________________________________________ Robert E. Gresswell Radiotelemetry was used to study the seasonal movements and habitat use

Phylotastic! Making tree-of-life knowledge accessible, reusable and convenient

Creator:: Stoltzfus, Arlin, Lapp, Hilmar, Matasci, Naim, Deus, Helena, Sidlauskas, Brian, Zmasek, Christian M., Vaidya, Gaurav, Pontelli, Enrico, Cranston, Karen, Vos, Rutger, Webb, Campbell O, Harmon, Luke J., Pirrung, Megan, O'Meara, Brian, Pennell, Matthew W., Mirarab, Siavash, Rosenberg, Michael S., Balhoff, James P., Bik, Holly M., Heath, Tracy A., Midford, Peter E., Brown, Joseph W., McTavish, Emily Jane, Sukumaran, Jeet, Westneat, Mark, Alfaro, Michael E., Steele, Aaron, and Jordan, Greg
Abstract:: Background: Scientists rarely reuse expert knowledge of phylogeny, in spite of years of effort to assemble a great “Tree of Life” (ToL). A notable exception involves the use of Phylomatic, which provides tools to generate custom phylogenies from a large, pre-computed, expert phylogeny of plant taxa. This suggests great potential...
Resource Type:: Article
Full Text:: Harmon11, Megan Pirrung12, Brian O'Meara13, Matthew W Pennell11, Siavash Mirarab14, Michael S Rosenberg15

ScholarsArchive@OSU

Habitat associations and determinants of refuge use in post-settlement lingcod (Ophiodon elongatus)

Temporal Variation in the Prey Resource Portfolio of Juvenile Salmonids During Freshwater Rearing

Invasive bullfrog use of novel ephemeral habitats in the Pacific Northwest

Evidence for Cross-Seasonal Effects: Insights from Long-term Data on Northern Pintail

Invasive bullfrog larvae lack developmental plasticity to changing hydroperiod

Developmental rate: A unifying mechanism for sympatric divergence in postglacial fishes?

Local and regional stressors interact to drive a salinization-induced outbreak of predators on oyster reefs

Using Satellite Imagery to Count Nesting Albatross from Space

Seasonal movement patterns and habitat use of westslope cutthroat trout in two headwater tributary streams of the John Day River

Phylotastic! Making tree-of-life knowledge accessible, reusable and convenient

Limit your search

Academic Affiliation

Advisor

Commencement Year

Committee Member

Creator

Contributor

Date

Decade

Degree Field

Degree Level

Degree Name

File Format

Language

License

Location

Non-Academic Affiliation

Peer Reviewed

Resource Type

Rights Statement

Subject

Search Constraints

Search Results

Limit your search