Physical Sciences and Mathematics Commons^™

Leaf And Wood Utilization In The Middle Missouri River, Kim Rager

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.

University Of Nebraska-Lincoln School Of Natural Resources Review: Final Report, December 2003, Michael O'Neill, Phaedra Budy, Stephen Degloria, Ed Kanemasu, Jamie Robertson, Derrel Martin, Anne K. Vidaver, Tylr Naprstek, Donna Woudenberg

School of Natural Resources: Documents and Reviews

In July 2003, the School of Natural Resource Sciences was merged with the Conservation and Survey Division and the Water Center Nebraska State Survey. This merger produced the School of Natural Resources (hereafter referred to as the "School") in its current form. The University of Nebraska-Lincoln requested a ten-year review of the School's programs and activities. The review was administered by the Cooperative State Research, Education and Extension Service (CSREES) in cooperation with the University of Nebraska-Lincoln's Institute of Agriculture and Natural Resources, the College of Agriculture, and the School.

The review document is divided into nine sections. The first …

Applications Of Remote Sensing And Gis To The Studies Of Groundwater-Lake Interactions In The Nebraska Sandhills, Evgueni N. Tcherepanov

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.

Csrees School Of Natural Resources Comprehensive Five-Year Review

School of Natural Resources: Documents and Reviews

No abstract provided.

Movements And Habitat Use By Shovelnose And Pallid Sturgeon In The Lower Platte River, Nebraska, Benjamin D. Swigle

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.

Terrestrial Natural Communities Of Nebraska (Version Iii - June 30, 2005), Gerry Steinauer, Steven B. Rolfsmeier

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

For more than a decade, The Nature Conservancy (TNC) and state natural heritage programs, including the Nebraska Natural Heritage Program (NNHP), have used a “coarse filter/fine filter” approach to preserving biological diversity (The Nature Conservancy, 1994). This approach involves identification and protection of natural communities (coarse filter) as well as rare species (fine filter). Identifying and protecting representative examples of natural communities ensures conservation of most species, biotic interactions and ecological processes. Those species that “fall through” the community filters are generally the rare species. Identification and protection of viable occurrences of rare species serves as the fine filter for …

Southeastern U.S. Vegetation Response To Enso Events (1989–1999), Albert J. Peters, Lei Ji, Elizabeth A. Walter-Shea

Center for Advanced Land Management Information Technologies: Publications

El Niño/Southern Oscillation (ENSO) is considered one of the most powerful forces driving anomalous global weather patterns. Large-scale seasonal precipitation and temperature changes influenced by ENSO have been examined in many areas of the world. The southeastern United States is one of the regions affected by ENSO events. In this study, remote sensing detection of vegetation response to ENSO phases is demonstrated with one-kilometer biweekly Normalized Difference Vegetation Index (NDVI) data (1989–1999) derived from the Advanced Very High Resolution Radiometer (AVHRR). The impacts of three ENSO phases, cold, warm and neutral, on vegetation were analyzed with a focus on two …

A Guide To Prairie And Wetland Restoration In Eastern Nebraska, Gerry Steinauer, Bill Whitney, Krista Adams, Mike Bullerman, Chris Helzer

Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts

This publication documents the restoration methods originally developed by Bill Whitney and later refined by himself and other ecologists from TNC, PRCT, NGPC and USFWS working in eastern Nebraska. Restoration of the following plant community types is covered in this document: tallgrass prairie, mixed-grass prairie, sand prairie, freshwater wet meadow and marsh, Rainwater Basin wet meadow and marsh, and saline wet meadow and marsh.

The methods we use are generally affordable and not complicated. To quickly summarize, we handpick and machine harvest seed, do little seed cleaning and broadcast plant with a fertilizer spreader. We do not mow annual weeds …

Wattle Size Is Correlated With Male Territorial Rank In Juvenile Ring-Necked Pheasants, Anna Papeschi, John P. Carroll, Francesco Dessi-Fulgheri

School of Natural Resources: Faculty Publications

We used morphological measurements and behavioral observations to investigate the relationship between male ornaments and male social rank during the breeding season in a free-ranging population of one-year-old Ring-necked Pheasants (Phasianus colchicus). The sample was of birds of the same age class to avoid the confounding effect of age differences. Tail length, used by females in mate choice, and tarsal spur length, used by males as a weapon in fights, were not correlated with male rank, whereas the size of the wattle was the most important trait. This combined with recent studies showing that wattle size reliably indicates …

State-Space Discretization Of The Kalinin-Milyukov-Nash Cascade In A Sample-Data System Framework For Streamflow Forecasting, Jozsef Szilagyi

School of Natural Resources: Faculty Publications

No abstract provided.

Aggradation Of Gravels In Tidally Influenced Systems: Upper Albian (Lower Cretaceous) On The Cratonic Margin Of The North American Western Interior Foreland Basin., Robert L. Brenner, Gregory A. Ludvigson, Brian L. Witzke, Preston Lee Phillips, Timothy S. White, David F. Ufnar, Luis A. Gonzalez, R. Matthew Joeckel, Adrian Goettemoeller, Benjamin R. Shirk

School of Natural Resources: Faculty Publications

No abstract provided.

Comment On "A Reappraisal Of The Kalman Filtering Technique As Applied In River Flow Forecasting" By M. Ahsan And K. M. O'Connor, Jozsef Szilagyi

School of Natural Resources: Faculty Publications

No abstract provided.

Vadose Zone Influences On Aquifer Parameter Estimates Of Saturated-Zone Hydraulic Theory, Jozsef Szilagyi

School of Natural Resources: Faculty Publications

No abstract provided.

Sensitivity Analysis Of Aquifer Parameter Estimations Based On The Laplace-Equation With Linearized Boundary Conditions, Jozsef Szilagyi

School of Natural Resources: Faculty Publications

No abstract provided.

Survival Rates And Recovery Distributions Of Canada Geese Banded In Nebraska, Larkin A. Powell, Mark Vrtiska, Nick Lyman

School of Natural Resources: Faculty Publications

We analyzed banding and recovery data for Canada geese (Branta canadensis) banded in Nebraska during 1990–2000. Survival rates were lower during 1996–2000 (adult: 0.688, SE = 0.016; juvenile: 0.611, SE = 0.029), than 1990–1995 (adult: 0.727, SE = 0.011; juvenile: 0.639, SE = 0.024). Average juvenile-to-adult ratio from banding data was 0.834 (SD = 0.485), resulting in an annual population growth rate (λ) estimate for 1990–1995 of 0.995 (95% CI = 0.021), and 0.922 (0.018) for 1996–2000. Our recovery analysis suggests that 67% of geese banded in Nebraska are shot in Nebraska. Over 30% of both juvenile and adult recoveries …

Urban Canada Geese In Georgia: Assessing A Golf Course Survey And A Nuisance Relocation Program, Larkin A. Powell, Michael J. Conroy, Kipling S. Balkcom, Joe Caudell

School of Natural Resources: Faculty Publications

Nuisance complaints about Canada geese (Branta canadensis), have risen in recent years. In Georgia, managers have responded by relocating some nuisance geese to rural areas. During 1993–1996, we used band recoveries of relocated geese to determine the efficacy of relocation as a management strategy. We also used data from a post-card survey of golf courses to monitor the urban subpopulation of Canada geese in Georgia during 1998–2001. Flocks considered by golf course superintendents to be a nuisance were larger (1998: 48.8 geese, 1999: 71.5, 2000: 73.2, 2001: 67.2) than nonnuisance flocks (1998: 13.1 geese, 1999: 16.7, 2000: 25.8, 2001: 18.1). …

Temporal Variations Of Extreme Precipitation Events In The United States: 1895–2000, Kenneth E. Kunkel, David R. Easterling, Kelly Redmond, Kenneth Hubbard

School of Natural Resources: Faculty Publications

A newly available data set of daily precipitation observations was used to study the temporal variability of the frequency of short-duration extreme precipitation events for 1895–2000 in the conterminous United States. Event durations of 1, 5, 10, and 30 day and return periods of 1, 5, and 20 year were analyzed. For all combinations of duration and return period, heavy precipitation frequencies were relatively high during the late 19th/early 20th Centuries, decreasing to a minimum in the 1920s and 30s, followed by a general increase into the 1990s. The frequencies at the beginning of the 20th Century were nearly as …

Fire Climate Interactions And Predicting Fire Season Severity In The Mediterranean Climate Areas Of California, Southern Oregon, And Western Nevada, Alan H. Taylor, Carl N. Skinner, Andrew M. Carleton, Scott L. Stephens, Valerie Trouet, Bernd Haupt, Andrew Pierce

JFSP Research Project Reports

• We identified annual area burned for 37 National Forests in Washington, Oregon, and California between 1929 and 2004 from annual fire reports. Variation in area burned each year on National Forest lands is strongly related (r2 = 0.87) to total area burned in California. This indicates area burned in National Forests is a good indicator of total area burned in a state. • Four large groups of National Forests were identified that had similar temporal patterns of fire extent. Three of these groups were spatially coherent and included mainly: 1) Washington and northern Oregon; 2) northern California and California …

The Ceres-Rice Model-Based Estimates Of Potential Monsoon Season Rainfed Rice Productivity In Bangladesh, Rezaul Mahmood, Mark Meo, David R. Legates, Mark L. Morrissey

School of Natural Resources: Faculty Publications

Agricultural practices in Bangladesh are largely dependent on the monsoonal rainfall. Historically, Bangladesh often experiences severe droughts and floods during the monsoon months, with significant crop losses during both extreme conditions. This article provides a quantitative assessment of potential monsoon-season aman rice for four transplanting dates: 1 June, 1 July, 15 July, and 15 August. A crop-growth simulation model, the CERES-Rice, is applied to sixteen locations representing major rice-growing regions of Bangladesh to determine baseline yield estimates for four transplanting dates. The applications were conducted for 1975 through 1987. Average potential yield in Bangladesh is 6,907, 5,039, 3,637, and 1,762 …