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Natural Resources and Conservation Commons™
Open Access. Powered by Scholars. Published by Universities.®
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Articles 751 - 780 of 1708
Full-Text Articles in Natural Resources and Conservation
A Calibration-Free, Robust Estimation Of Monthly Land Surface Evapotranspiration Rates For Continental-Scale Hydrology, Jozsef Szilagyi
A Calibration-Free, Robust Estimation Of Monthly Land Surface Evapotranspiration Rates For Continental-Scale Hydrology, Jozsef Szilagyi
School of Natural Resources: Faculty Publications
No abstract provided.
A Framework For Pollination Systems Thinking And Conservation, Doug Golick, Jenny Dauer, Louise Lynch, Erin Ingram
A Framework For Pollination Systems Thinking And Conservation, Doug Golick, Jenny Dauer, Louise Lynch, Erin Ingram
School of Natural Resources: Faculty Publications
No abstract provided.
Can An Immersion Exhibit Inspire Connection To Nature And Environmentally Responsible Behavior?, Lisa Pennisi, N. Qwynne Lackey, Stephen M. Holland
Can An Immersion Exhibit Inspire Connection To Nature And Environmentally Responsible Behavior?, Lisa Pennisi, N. Qwynne Lackey, Stephen M. Holland
School of Natural Resources: Faculty Publications
No abstract provided.
Northern Bobwhite Nest Site Selection In Field Borders, Danielle J. Berger, Jessica N. Piispanen, Tim F. Ginnett, Jason D. Riddle
Northern Bobwhite Nest Site Selection In Field Borders, Danielle J. Berger, Jessica N. Piispanen, Tim F. Ginnett, Jason D. Riddle
School of Natural Resources: Faculty Publications
No abstract provided.
The Impact Of Water Quality In Narragansett Bay On Housing Prices, Tingting Liu, James J. Opaluch, Emi Uchida
The Impact Of Water Quality In Narragansett Bay On Housing Prices, Tingting Liu, James J. Opaluch, Emi Uchida
School of Natural Resources: Faculty Publications
No abstract provided.
The Differential Structure Of An Orbifold, Jordan Watts
The Differential Structure Of An Orbifold, Jordan Watts
School of Natural Resources: Faculty Publications
No abstract provided.
Tame Circle Actions, Susan Tolman, Jordan Watts
Tame Circle Actions, Susan Tolman, Jordan Watts
School of Natural Resources: Faculty Publications
No abstract provided.
The 5e Learning Cycle: What's The Story?, Kelsey Lipsitz, Dante Cisterna, Deborah Hanuscin
The 5e Learning Cycle: What's The Story?, Kelsey Lipsitz, Dante Cisterna, Deborah Hanuscin
School of Natural Resources: Faculty Publications
No abstract provided.
Undergraduate Students Scientifically-Informed Decision-Making About Socio-Hydrological Issues, Jaime L. Sabel, Tina Vo, Ashley Alred, Jenny M. Dauer, Cory Forbes
Undergraduate Students Scientifically-Informed Decision-Making About Socio-Hydrological Issues, Jaime L. Sabel, Tina Vo, Ashley Alred, Jenny M. Dauer, Cory Forbes
School of Natural Resources: Faculty Publications
No abstract provided.
Measuring Farmer Conservation Behaviors: Challenges And Best Practices, Kristin Floress, Adam Reimer, Aaron Thompson, Mark Burbach, Cody Knutson, Linda Prokopy, Marc Ribaudo, Jessica Ulrich-Schad
Measuring Farmer Conservation Behaviors: Challenges And Best Practices, Kristin Floress, Adam Reimer, Aaron Thompson, Mark Burbach, Cody Knutson, Linda Prokopy, Marc Ribaudo, Jessica Ulrich-Schad
School of Natural Resources: Faculty Publications
No abstract provided.
Multi-Scale Habitat Selection By Cow Moose (Alces Alces) At Calving Sites In Central Ontario, A.A.D. Mclaren, J. F. Benson, B.R. Patterson
Multi-Scale Habitat Selection By Cow Moose (Alces Alces) At Calving Sites In Central Ontario, A.A.D. Mclaren, J. F. Benson, B.R. Patterson
School of Natural Resources: Faculty Publications
No abstract provided.
Feasibility Analysis Of Using Inverse Modeling For Estimating Field-Scale Evapotranspiration In Maize And Soybean Fields From Soil Water Content Monitoring Networks, Foad Foolad, Trenton E. Franz, Tiejun Wang, Justin Gibson, Ayse Kilic, Richard Allen, Andrew Suyker
Feasibility Analysis Of Using Inverse Modeling For Estimating Field-Scale Evapotranspiration In Maize And Soybean Fields From Soil Water Content Monitoring Networks, Foad Foolad, Trenton E. Franz, Tiejun Wang, Justin Gibson, Ayse Kilic, Richard Allen, Andrew Suyker
School of Natural Resources: Faculty Publications
No abstract provided.
Foliar Reflectance And Biochemistry, 5 Data Sets, A. Solovchenko, A. Gitelson, O. Chivkunova, M. Merzlyak
Foliar Reflectance And Biochemistry, 5 Data Sets, A. Solovchenko, A. Gitelson, O. Chivkunova, M. Merzlyak
School of Natural Resources: Faculty Publications
No abstract provided.
Hiring Leaders: Inference And Disagreement About The Best Person For The Job, Konstantinos Giannakas, Murray Fulton, Tala Awada
Hiring Leaders: Inference And Disagreement About The Best Person For The Job, Konstantinos Giannakas, Murray Fulton, Tala Awada
School of Natural Resources: Faculty Publications
No abstract provided.
Detecting Spatial Regimes In Ecosystems, Shana M. Sundstrom, Tarsha Eason, R. John Nelson, David G. Angeler, Chris Barichievy, Ahjond S. Garmestani, Nicholas A.J. Graham, Dean Granholm, Lance Gunderson, Melinda Knutson, Kirsty L. Nash, Trisha L. Spanbauer, Craig A. Stow, Craig R. Allen
Detecting Spatial Regimes In Ecosystems, Shana M. Sundstrom, Tarsha Eason, R. John Nelson, David G. Angeler, Chris Barichievy, Ahjond S. Garmestani, Nicholas A.J. Graham, Dean Granholm, Lance Gunderson, Melinda Knutson, Kirsty L. Nash, Trisha L. Spanbauer, Craig A. Stow, Craig R. Allen
School of Natural Resources: Faculty Publications
Research on early warning indicators has generally focused on assessing temporal transitions with limited application of these methods to detecting spatial regimes. Traditional spatial boundary detection procedures that result in ecoregion maps are typically based on ecological potential (i.e. potential vegetation), and often fail to account for ongoing changes due to stressors such as land use change and climate change and their effects on plant and animal communities. We use Fisher information, an information theory-based method, on both terrestrial and aquatic animal data (U.S. Breeding Bird Survey and marine zooplankton) to identify ecological boundaries, and compare our results to traditional …
Effects Of Climate Change And Anthropogenic Modification On A Disturbance-Dependent Species In A Large Riverine System, Sara L. Zeigler, Daniel H. Catlin, Mary Bomberger Brown, James D. Fraser, Lauren R. Dinan, Kelsi L. Hunt, Joel G. Jorgensen, Sarah M. Karpanty
Effects Of Climate Change And Anthropogenic Modification On A Disturbance-Dependent Species In A Large Riverine System, Sara L. Zeigler, Daniel H. Catlin, Mary Bomberger Brown, James D. Fraser, Lauren R. Dinan, Kelsi L. Hunt, Joel G. Jorgensen, Sarah M. Karpanty
School of Natural Resources: Faculty Publications
Humans have altered nearly every natural disturbance regime on the planet through climate and land-use change, and in many instances, these processes may have interacting effects. For example, projected shifts in temperature and precipitation will likely influence disturbance regimes already affected by anthropogenic fire suppression or river impoundments. Understanding how disturbance-dependent species respond to complex and interacting environmental changes is important for conservation efforts. Using field-based demographic and movement rates, we conducted a metapopulation viability analysis for piping plovers (Charadrius melodus), a threatened disturbance-dependent species, along the Missouri and Platte rivers in the Great Plains of North America. …
Plant Uptake And Stream Chemistry Set Global Bounds On Nitrogen Gas Emissions From Humid Tropical Forests, E.N.J. Brookshire, S. Gerber, W. Greene, R.A. Jones, Steven A. Thomas
Plant Uptake And Stream Chemistry Set Global Bounds On Nitrogen Gas Emissions From Humid Tropical Forests, E.N.J. Brookshire, S. Gerber, W. Greene, R.A. Jones, Steven A. Thomas
School of Natural Resources: Faculty Publications
Denitrification and hydrologic leaching are the two major pathways by which nitrogen is lost from the terrestrial biosphere. Humid tropical forests are thought to dominate denitrification from unmanaged lands globally, but there is large uncertainty about the range and key drivers of total N gas emissions across the biome. We combined pantropical measures of small watershed stream chemistry with ecosystem modeling to determine total nitrogen gas losses and associated uncertainty across humid tropical forests. Our calculations reveal that denitrification in soils and along hydrologic flowpaths contributes on average >45% of total watershed N losses. However, when denitrification occurs exclusively in …
Ungulate Predation And Ecological Roles Of Wolves And Coyotes In Eastern North America, John F. Benson, Karen M. Loveless, Linda Y. Rutledge, Brent R. Patterson
Ungulate Predation And Ecological Roles Of Wolves And Coyotes In Eastern North America, John F. Benson, Karen M. Loveless, Linda Y. Rutledge, Brent R. Patterson
School of Natural Resources: Faculty Publications
Understanding the ecological roles of species that influence ecosystem processes is a central goal of ecology and conservation biology. Eastern coyotes (Canis latrans) have ascended to the role of apex predator across much of eastern North America since the extirpation of wolves (Canis spp.) and there has been considerable confusion regarding their ability to prey on ungulates and their ecological niche relative to wolves. Eastern wolves (C. lycaon) are thought to have been the historical top predator in eastern deciduous forests and have previously been characterized as deer specialists that are inefficient predators of …
Great Plains Geology: A Personal Journey, Robert F. Diffendal Jr.
Great Plains Geology: A Personal Journey, Robert F. Diffendal Jr.
School of Natural Resources: Faculty Publications
From graduate school in 1962 to now, I achieved my goals and became a geologist and professor, travelling and doing research in the Great Plains and western Central Lowland physiographic provinces, and looking at geology in exotic places like the UK, China, Australia and New Zealand. Fast forward to 2013. I had enough experience and expertise on Great Plains geology by then that I was asked to write a short book of about 35,000 words on the geology of the Great Plains by the director of the Center for Great Plains Studies at the University of Nebraska, Dr. Richard Edwards. …
Landscape Features Affecting Northern Bobwhite Predator-Specific Nest Failures In Southeastern Usa, Susan Ellis-Felege, Shannon E. Albeke, Nathan P. Nibbelink, Michael J. Conroy, D. Clay Sisson, William E. Palmer, John P. Carroll
Landscape Features Affecting Northern Bobwhite Predator-Specific Nest Failures In Southeastern Usa, Susan Ellis-Felege, Shannon E. Albeke, Nathan P. Nibbelink, Michael J. Conroy, D. Clay Sisson, William E. Palmer, John P. Carroll
School of Natural Resources: Faculty Publications
Nest predation is a critical component in avian productivity and typically is the leading cause of nest failure for most birds. Several landscape features are thought to drive the behavioral interaction between northern bobwhite (Colinus virginianus; e.g., nest placement) and their predators (e.g., search methods for food acquisition). In order to understand habitat characteristics influencing predation, we studied bobwhite nests using 24-hour near-infrared video cameras. We monitored 675 bobwhite nests with cameras on 3 properties in northern Florida and southern Georgia, USA, during 2000–2006. To test the association between nest failures and specific failure causes with landscape structure, we calculated …
Status And Perspectives Of The Cosmic-Ray Neutron Method For Soil Moisture Estimation And Other Environmental Science Applications, M. Andreasen, K. H., Jensen, D. Desilets, T. E. Franz, M. Zreda, H. R. Bogena, M. C. Looms
Status And Perspectives Of The Cosmic-Ray Neutron Method For Soil Moisture Estimation And Other Environmental Science Applications, M. Andreasen, K. H., Jensen, D. Desilets, T. E. Franz, M. Zreda, H. R. Bogena, M. C. Looms
School of Natural Resources: Faculty Publications
No abstract provided.
The Diffeology Of Milnor's Classifying Space, Jean-Pierre Magnot, Jordan Watts
The Diffeology Of Milnor's Classifying Space, Jean-Pierre Magnot, Jordan Watts
School of Natural Resources: Faculty Publications
No abstract provided.
Bridging Food Webs, Ecosystem Metabolism, And Biogeochemistry Using Ecological Stoichiometry Theory, N. Welti, M. Striebel, A. Ulseth, W. Cross, S. Devilbiss, P. M. Gilbert, K. Macneill Et Al.
Bridging Food Webs, Ecosystem Metabolism, And Biogeochemistry Using Ecological Stoichiometry Theory, N. Welti, M. Striebel, A. Ulseth, W. Cross, S. Devilbiss, P. M. Gilbert, K. Macneill Et Al.
School of Natural Resources: Faculty Publications
No abstract provided.
Droughts Of The Twentieth And Early Twenty First Centuries: Influences On The Production Of Beef And Forage In Kentucky, Usa, Rezaul Mahmood
Droughts Of The Twentieth And Early Twenty First Centuries: Influences On The Production Of Beef And Forage In Kentucky, Usa, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Mesonets: Meso-Scale Weather And Climate Observations For The U.S., Rezaul Mahmood
Mesonets: Meso-Scale Weather And Climate Observations For The U.S., Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Recent Land Cover Changes And Sensitivity Of The Model Simulations To Various Land Cover Datasets For China, Rezaul Mahmood
Recent Land Cover Changes And Sensitivity Of The Model Simulations To Various Land Cover Datasets For China, Rezaul Mahmood
School of Natural Resources: Faculty Publications
No abstract provided.
Resilience In Ecotoxicology: Toward A Multiple Equilibrium Concept, Mirco Bundschuh, Ralf Schulz, Ralf B. Schäfer, Craig R. Allen, David G. Angeler
Resilience In Ecotoxicology: Toward A Multiple Equilibrium Concept, Mirco Bundschuh, Ralf Schulz, Ralf B. Schäfer, Craig R. Allen, David G. Angeler
School of Natural Resources: Faculty Publications
The term resilience describes stress-response patterns across scientific disciplines. In ecology, advances have been made to clearly define resilience based on underlying mechanistic assumptions. Engineering resilience (rebound) is used to describe the ability of organisms to recover from adverse conditions (disturbances), which is termed the rate of recovery. By contrast, the ecological resilience definition considers a systemic change, that is, when ecosystems reorganize into a new regime following disturbance. Under this new regime, structural and functional aspects change considerably relative to the previous regime, without recovery. In this context, resilience is an emergent property of complex systems. In the present …
Assessment Of A Channel Catfish Population In A Large Open River System, A. J. Blank, M. J. Hamel, Jonathan J. Spurgeon, Mark A. Pegg
Assessment Of A Channel Catfish Population In A Large Open River System, A. J. Blank, M. J. Hamel, Jonathan J. Spurgeon, Mark A. Pegg
School of Natural Resources: Faculty Publications
Estimates of dynamic rate functions for riverine channel catfish, Ictalurus punctatus (Rafinesque), populations are limited. The open nature and inherent difficulty in sampling riverine environments and the propensity for dispersal of channel catfish impede estimation of population variables. However, contemporary population models (i.e. robust design models) can incorporate the open nature of these systems. The purpose of this study was to determine channel catfish population abundance, survival and size structure and to characterize growth in the lower Platte River, Nebraska, USA. Annual survival estimates of adult channel catfish were 13%–49%, and channel catfish abundance estimates ranged from 8,281 to 24,261 …
Ecophysiological Responses Of Native Invasive Woody Juniperus Virginiana L. To Resource Availability And Stand Characteristics In The Semiarid Grasslands Of The Nebraska Sandhills, Joseph Msanne, Tala Awada, N. M. Bryan, Walter H. Schacht, Rhae A. Drijber, Y. Li, X. Zhou, Jane A. Okalebo, David A. Wedin, James R. Brandle, J. Hiller
Ecophysiological Responses Of Native Invasive Woody Juniperus Virginiana L. To Resource Availability And Stand Characteristics In The Semiarid Grasslands Of The Nebraska Sandhills, Joseph Msanne, Tala Awada, N. M. Bryan, Walter H. Schacht, Rhae A. Drijber, Y. Li, X. Zhou, Jane A. Okalebo, David A. Wedin, James R. Brandle, J. Hiller
School of Natural Resources: Faculty Publications
Vegetation in grasslands is changing at an unprecedented rate. In the Nebraska Sandhills, this shift is attributed in part to encroachment of the woody species Juniperus virginiana. We investigated changes in resource availability and their feedback on seasonal trends in photosynthetic characteristics of J. virginiana trees scattered in open grasslands vs. a dense 57-year-old stand. Dense stand exhibited lower volumetric soil water content, NH4 +, NO3 –, and δ13C, as well as foliage δ13C, δ15N, and N content, compared to grasslands. Water potential was higher in trees in grasslands …
Terrestrial Ecosystem Process Model Biome-Bgcmuso V4.0: Summary Of Improvements And New Modeling Possibilities, Dóra Hidy, Zoltán Barcza, Hrvoje Marjanovi´C, Maša Zorana Ostrogovi´C Sever, Laura Dobor, Györgyi Gelybó, Nándor Fodor, Krisztina Pintér, Galina Churkina, Steven Running, Peter Thornton, Gianni Bellocchi, László Haszpra, Ferenc Horváth, Andrew E. Suyker, Zoltán Nagy
Terrestrial Ecosystem Process Model Biome-Bgcmuso V4.0: Summary Of Improvements And New Modeling Possibilities, Dóra Hidy, Zoltán Barcza, Hrvoje Marjanovi´C, Maša Zorana Ostrogovi´C Sever, Laura Dobor, Györgyi Gelybó, Nándor Fodor, Krisztina Pintér, Galina Churkina, Steven Running, Peter Thornton, Gianni Bellocchi, László Haszpra, Ferenc Horváth, Andrew E. Suyker, Zoltán Nagy
School of Natural Resources: Faculty Publications
The process-based biogeochemical model Biome- BGC was enhanced to improve its ability to simulate carbon, nitrogen, and water cycles of various terrestrial ecosystems under contrasting management activities. Biome-BGC version 4.1.1 was used as a base model. Improvements included addition of new modules such as the multilayer soil module, implementation of processes related to soil moisture and nitrogen balance, soil-moisture-related plant senescence, and phenological development. Vegetation management modules with annually varying options were also implemented to simulate management practices of grasslands (mowing, grazing), croplands (ploughing, fertilizer application, planting, harvesting), and forests (thinning). New carbon and nitrogen pools have been defined to …