Index Catalog // ScholarsArchive@OSU

John R. Commons, his assault on laissez-faire

Creator:: Harter, Lafayette G., Jr.
Resource Type:: Book
Full Text:: , John Commons and Clara Rogers Com mons, made him into a Hoosier by moving a few miles to Union City

Role of propagule pressure and priority effects on seedlings during invasion and restoration of shrub-steppe

Creator:: Schantz, Merilynn C., Sheley, Roger L., and James, Jeremy J.
Abstract:: Plant invasion and restoration outcomes are largely driven by the timing and magnitude of seed dispersal, and by the performance of dispersed species in an environment. Because seed dispersal controls recruitment of newly arriving species and facilitates safe site occupation, assembly will differ depending on seed dispersal processes and variable...
Resource Type:: Article

Gender identification and growth of juvenile lesser prairie-chickens

Creator:: Pitman, James C., Hagen, Christian A., Robel, Robert J., Loughlin, Thomas M., and Applegate, Roger D.
Abstract:: The ability to ascertain gender and age of juvenile grouse is essential for determining gender-specific population age structure and studying timing of reproductive events, respectively. We examined outer rectrix feathers from juvenile Lesser Prairie-Chickens (Tympanuchus pallidicinctus) captured at 30–40 and 50–60 days post-hatching. Blood samples were collected from most chicks...
Resource Type:: Article
Full Text:: GROWTH OF JUVENILE LESSER PRAIRIE-CHICKENS JAMES C. PITMAN1,4, CHRISTIAN A. HAGEN1, ROBERT J. ROBEL1

Niche partitioning by lesser prairie-chickens Tympanuchus pallidicinctus and ring-necked pheasants Phasianus colchicus in southwestern Kansas.

Creator:: Hagen, Chrisitan A., Pitman, James C., Robel, Robert J., Loughin, Thomas M., and Applegate, Roger D.
Abstract:: We conducted this 2-year study to determine if lesser prairie-chickens Tympanuchus pallidicinctus and ring-necked pheasants Phasianus colchicus used the same habitats where their ranges overlapped in southwestern Kansas. Telemetry locations of 50 transmitter-equipped lesser prairie-chickens and 28 pheasants were used to monitor habitat use by the two species. Additionally, vegetation...
Resource Type:: Article
Full Text:: -chickenTympanuchuspallidicinctus and ring-necked pheasant Phasianus colchicus in southwestern Kansas Christian A. Hagen, James C

Lesser prairie-chicken brood habitat in sand sagebrush: invertebrate biomass and vegetation

Creator:: Hagen, Christian A., Salter, G. Curran, Pitman, James C., Robel, Robert J., and Applegate, Roger D.
Abstract:: Invertebrates are an important food source for grouse chicks, especially within the first 2 weeks of life. Invertebrate abundance is highly patchy and dependent upon herbaceous cover and vegetation structure. We examined the relationship between invertebrate biomass (from sweepnet samples) and habitat structure at lesser prairie-chicken (Tympanuchus pallidicinctus) brood-use and...
Resource Type:: Article
Full Text:: in sand sagebrush: invertebrate biomass and vegetation Christian A. Hagen, G. Curran Salter, James

Age-specific variation in apparent survival rates of male lesser-prairie-chickens

Creator:: Hagen, Christian A., Pitman, James C., Sandercock, Brett K., Robel, Robert J., and Applegate, Roger D.
Abstract:: We used mark-recapture methods to estimate age-specific apparent survival rates for male Lesser Prairie-Chickens (Tympanuchus pallidicinctus), a gamebird of conservation concern. A total of 311 male prairie-chickens (135 yearlings, 176 adults) were captured and banded during a 5-year study in southwest Kansas. Time-since-marking models were used to estimate apparent survival...
Resource Type:: Article
Full Text:: -SPECIFIC VARIATION IN APPARENT SURVIVAL RATES OF MALE LESSER PRAIRIE-CHICKENS CHRISTIAN A. HAGEN1,3, JAMES

Do key dimensions of seed and seedling functional trait variation capture variation in recruitment probability?

Creator:: Larson, Julie E., Sheley, Roger L., Hardegree, Stuart P., Doescher, Paul S., and James, Jeremy J.
Abstract:: Seedling recruitment is a critical driver of population dynamics and community assembly, yet we know little about functional traits that define different recruitment strategies. For the first time, we examined whether trait relatedness across germination and seedling stages allows the identification of general recruitment strategies which share core functional attributes...
Resource Type:: Article

Seed and seedling traits affecting critical life stage transitions and recruitment outcomes in dryland grasses

Creator:: Larson, Julie E., Sheley, Roger L., Hardegree, Stuart P., Doescher, Paul S., and James, Jeremy J.
Abstract:: 1. Seeding native plants is a key management practice to counter land degradation across the globe, yet the majority of seeding efforts fail, limiting our ability to accelerate ecosystem recovery. 2. Recruitment requires transitions through several seed and seedling stages, some of which may have overriding influences on restoration outcomes....
Resource Type:: Article

Normal-Mode Analysis of a Baroclinic Wave-Mean Oscillation

Creator:: Wolfe, Christopher L. and Samelson, Roger M.
Abstract:: The stability of a time-periodic baroclinic wave-mean oscillation in a high-dimensional two-layer quasigeostrophic spectral model is examined by computing a full set of time-dependent normal modes (Floquet vectors) for the oscillation. The model has 72 × 62 horizontal resolution and there are 8928 Floquet vectors in the complete set. The...
Resource Type:: Article
Full Text:: CHRISTOPHER L. WOLFE AND ROGER M. SAMELSON College of Oceanic and Atmospheric Sciences, Oregon State

Ecosystem effects of shell aggregations and cycling in coastal waters: an example of Chesapeake Bay oyster reefs

Creator:: Waldbusser, George G., Powell, Eric N., and Mann, Roger
Abstract:: Disease, overharvesting, and pollution have impaired the role of bivalves on coastal ecosystems, some to the point of functional extinction. An underappreciated function of many bivalves in these systems is shell formation. The ecological significance of bivalve shell has been recognized; geochemical effects are now more clearly being understood. A...
Resource Type:: Article
Full Text:: waters: an example of Chesapeake Bay oyster reefs GEORGE G. WALDBUSSER,1,4 ERIC N. POWELL,2,5 AND ROGER

ScholarsArchive@OSU

John R. Commons, his assault on laissez-faire

Role of propagule pressure and priority effects on seedlings during invasion and restoration of shrub-steppe

Gender identification and growth of juvenile lesser prairie-chickens

Niche partitioning by lesser prairie-chickens Tympanuchus pallidicinctus and ring-necked pheasants Phasianus colchicus in southwestern Kansas.

Lesser prairie-chicken brood habitat in sand sagebrush: invertebrate biomass and vegetation

Age-specific variation in apparent survival rates of male lesser-prairie-chickens

Do key dimensions of seed and seedling functional trait variation capture variation in recruitment probability?

Seed and seedling traits affecting critical life stage transitions and recruitment outcomes in dryland grasses

Normal-Mode Analysis of a Baroclinic Wave-Mean Oscillation

Ecosystem effects of shell aggregations and cycling in coastal waters: an example of Chesapeake Bay oyster reefs

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