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Articles 871 - 900 of 3635
Full-Text Articles in Other Environmental Sciences
Panarchy And Management Of Lake Ecosystems, D. Angeler, C. Allen, A. Garmestani, L. Gunderson, R. Johnson
Panarchy And Management Of Lake Ecosystems, D. Angeler, C. Allen, A. Garmestani, L. Gunderson, R. Johnson
School of Natural Resources: Faculty Publications
No abstract provided.
Overcoming An “Irreversible” Threshold: A 15-Year Fire Experiment, Christine H. Bielski, Rheinhardt Scholtz, Victoria Donovan, Craig R. Allen, Dirac Twidwell
Overcoming An “Irreversible” Threshold: A 15-Year Fire Experiment, Christine H. Bielski, Rheinhardt Scholtz, Victoria Donovan, Craig R. Allen, Dirac Twidwell
School of Natural Resources: Faculty Publications
A key pursuit in contemporary ecology is to differentiate regime shifts that are truly irreversible from those that are hysteretic. Many ecological regime shifts have been labeled as irreversible without exploring the full range of variability in stabilizing feedbacks that have the potential to drive an ecological regime shift back towards a desirable ecological regime. Removing fire from grasslands can drive a regime shift to juniper woodlands that cannot be reversed using typical fire frequency and intensity thresholds, and has thus been considered irreversible. This study uses a unique, long-term experimental fire landscape co-dominated by grassland and closed-canopy juniper woodland …
Transition, M.A. Janssen, C.R. Allen, L. Gunderson
Transition, M.A. Janssen, C.R. Allen, L. Gunderson
School of Natural Resources: Faculty Publications
No abstract provided.
Responses Of Multiple Structural And Functional Indicators Along Three Contrasting Disturbance Gradients, Amelie Truchy, Ryan A. Sponseller, Frauke Ecke, David G. Angeler, Maria Kahlert, Mirco Bundschuh, Richard K. Johnson, Brendan G. Mckie
Responses Of Multiple Structural And Functional Indicators Along Three Contrasting Disturbance Gradients, Amelie Truchy, Ryan A. Sponseller, Frauke Ecke, David G. Angeler, Maria Kahlert, Mirco Bundschuh, Richard K. Johnson, Brendan G. Mckie
School of Natural Resources: Faculty Publications
Ecosystem functioning and community structure are recognized as key components of ecosystem integrity, but comprehensive, standardized studies of the responses of both structural and functional indicators to different types of anthropogenic pressures remain rare. Consequently, we lack an empirical basis for (i) identifying when monitoring ecosystem structure alone misses important changes in ecosystem functioning, (ii) recommending sets of structural and functional metrics best suited for detecting ecological change driven by different anthropogenic pressures, and (iii) understanding the cumulative effects of multiple, co-occurring stressors on structure and function. We investigated variation in community structure and ecosystem functioning of stream ecosystems along …
Joint Effects Of Climate, Tree Size, And Year On Annual Tree Growth Derived From Tree-Ring Records Of Ten Globally Distributed Forests, K.J. Anderson-Teixeira, V. Hermann, C.R. Rollinson, B. Gonzalez, E.B. Gonzalez-Akre, N. Pederson, M.R. Alexander, C.D. Allen, R. Alfaro-Sanchez, T. Awada, J.L. Baltzer, P. J. Baker, J. D. Birch, S. Bunyavejchewin, P. Cherubini, S. J. Davies, C. Dow, R. Helcoski, J. Kaspar, J. A. Lutz, E. Q. Margolis, J. T. Maxwell, S. M. Mcmahon, C. Piponiot, S. E. Russo, P. Samonil, A. E. Sniderhan, A. J. Tepley, I. Vasickova, M Vlam, P. A. Zuidema
Joint Effects Of Climate, Tree Size, And Year On Annual Tree Growth Derived From Tree-Ring Records Of Ten Globally Distributed Forests, K.J. Anderson-Teixeira, V. Hermann, C.R. Rollinson, B. Gonzalez, E.B. Gonzalez-Akre, N. Pederson, M.R. Alexander, C.D. Allen, R. Alfaro-Sanchez, T. Awada, J.L. Baltzer, P. J. Baker, J. D. Birch, S. Bunyavejchewin, P. Cherubini, S. J. Davies, C. Dow, R. Helcoski, J. Kaspar, J. A. Lutz, E. Q. Margolis, J. T. Maxwell, S. M. Mcmahon, C. Piponiot, S. E. Russo, P. Samonil, A. E. Sniderhan, A. J. Tepley, I. Vasickova, M Vlam, P. A. Zuidema
School of Natural Resources: Faculty Publications
No abstract provided.
Big Cats In The Big City: Spatial Ecology Of Mountain Lions In Greater Los Angeles, S. P. Riley, J. A. Sikich, J. F. Benson
Big Cats In The Big City: Spatial Ecology Of Mountain Lions In Greater Los Angeles, S. P. Riley, J. A. Sikich, J. F. Benson
School of Natural Resources: Faculty Publications
No abstract provided.
Snapshot Usa: The First Coordinated National Camera Trap Survey Of The United States, M. Cove, J. Benson Et Al.
Snapshot Usa: The First Coordinated National Camera Trap Survey Of The United States, M. Cove, J. Benson Et Al.
School of Natural Resources: Faculty Publications
No abstract provided.
Harnessing The Neon Data Revolution To Advance Open Environmental Science With Diverse And Data-Capable Community, R. C. Nagy, J. Corman Et Al.
Harnessing The Neon Data Revolution To Advance Open Environmental Science With Diverse And Data-Capable Community, R. C. Nagy, J. Corman Et Al.
School of Natural Resources: Faculty Publications
No abstract provided.
Multi-Feature Data Repository Development And Analytics For Image Cosegmentation In High-Throughput Plant Phenotyping, R. Quinones, F. Munoz-Arriola, S. Das Choudhury, A. Samal
Multi-Feature Data Repository Development And Analytics For Image Cosegmentation In High-Throughput Plant Phenotyping, R. Quinones, F. Munoz-Arriola, S. Das Choudhury, A. Samal
School of Natural Resources: Faculty Publications
No abstract provided.
Whooping Crane (Grus Americana) Family Consumes A Diversity Of Aquatic Vertebrates During Fall Migration Stopover At The Platte River, Nebraska, Andrew J. Caven, Keith D. Koupal, David M. Baasch, Emma M. Brinley Buckley, Jenna M. Malzahn, Michael David Forsberg, Mariah Lundgren
Whooping Crane (Grus Americana) Family Consumes A Diversity Of Aquatic Vertebrates During Fall Migration Stopover At The Platte River, Nebraska, Andrew J. Caven, Keith D. Koupal, David M. Baasch, Emma M. Brinley Buckley, Jenna M. Malzahn, Michael David Forsberg, Mariah Lundgren
School of Natural Resources: Faculty Publications
The Aransas-Wood Buffalo population of Whooping Cranes (Grus americana) migrates approximately 4000 km through the central Great Plains biannually, between their breeding and wintering grounds. Whooping Cranes depend on stopover sites to provide secure resting locations and the caloric resources necessary to complete their migration, such as the USFWS-designated critical habitat area in the Central Platte River Valley (CPRV) of Nebraska. This area includes braided river habitat characterized by low-elevation and submerged sandbars, which provide important roosting and foraging opportunities for migrating Whooping Cranes. We used long-range photography, videography, and behavioral scan sampling to document forage items consumed by Whooping …
Effects Of Climate And Irrigation On Grace-Based Estimates Of Water Storage Changes In Major Us Aquifers, B. R. Scanlon, A. Rateb, D. R. Pool, W. Sanford, H. Save, A. Sun, D. Long, B. A. Fuchs
Effects Of Climate And Irrigation On Grace-Based Estimates Of Water Storage Changes In Major Us Aquifers, B. R. Scanlon, A. Rateb, D. R. Pool, W. Sanford, H. Save, A. Sun, D. Long, B. A. Fuchs
School of Natural Resources: Faculty Publications
No abstract provided.
Coupling Spectral And Resource-Use Complementarity In Experimental Grassland And Forest Communites, A. K. Schweiger, J. Cavender-Bares, P. Townsend, M. Madritch, J. Grossman, H. Gholizadeh, R. Wang, J. Gamon
Coupling Spectral And Resource-Use Complementarity In Experimental Grassland And Forest Communites, A. K. Schweiger, J. Cavender-Bares, P. Townsend, M. Madritch, J. Grossman, H. Gholizadeh, R. Wang, J. Gamon
School of Natural Resources: Faculty Publications
No abstract provided.
Remotely Detected Plant Function In Two Midwestern Prairie Grassland Experiments Reveals Belowground Processes, J. Cavender-Bares, A. Schweiger, J. Gamon, H. Gholizadeh, K. Helzer, C. Lapadat, M. Madritch, P. Townsend, Z. Wang, S. Hobbie
Remotely Detected Plant Function In Two Midwestern Prairie Grassland Experiments Reveals Belowground Processes, J. Cavender-Bares, A. Schweiger, J. Gamon, H. Gholizadeh, K. Helzer, C. Lapadat, M. Madritch, P. Townsend, Z. Wang, S. Hobbie
School of Natural Resources: Faculty Publications
No abstract provided.
Motivations To Participate In Hunting And Angling: A Comparison Among Preferred Activities And State Of Residence, Matthew P. Hinrichs, Mark P. Vrtiska, Mark Pegg, Christopher J. Chizinski
Motivations To Participate In Hunting And Angling: A Comparison Among Preferred Activities And State Of Residence, Matthew P. Hinrichs, Mark P. Vrtiska, Mark Pegg, Christopher J. Chizinski
School of Natural Resources: Faculty Publications
Motivations for hunting and fishing extend beyond harvesting game and include social, psychological, emotional, and physical benefits. We used data from a web-based questionnaire to compare relationships between preferred hunting or fishing activity types, state of residence, and motivations of hunters and anglers across the central United States (U.S.). Exploratory factor analysis yielded four motivation factors: nature, social, food, and challenge. Differences in terms of state were negligible across all motivation factors (η2p < .01), indicating similarity across states. Nature (η2p = .01) and social (η2p < .01) factors were the first and …
Improving Soil Carbon Estimates By Linking Conceptual Pools Against Measurable Carbon Fractions In The Daycent Model Version 4.5, S.R.S. Dangal, C. Schwalm, M. A. Cavigelli, H. T. Gollany, V. L. Jin, J. Sanderman
Improving Soil Carbon Estimates By Linking Conceptual Pools Against Measurable Carbon Fractions In The Daycent Model Version 4.5, S.R.S. Dangal, C. Schwalm, M. A. Cavigelli, H. T. Gollany, V. L. Jin, J. Sanderman
School of Natural Resources: Faculty Publications
No abstract provided.
Assessing Quantitative Modelling Practices, Metamodelling, And Capability Confidence Of Biology Undergraduate Students, Joseph Dauer, Robert Mayes, Kent Rittschof, Bryon Gallant
Assessing Quantitative Modelling Practices, Metamodelling, And Capability Confidence Of Biology Undergraduate Students, Joseph Dauer, Robert Mayes, Kent Rittschof, Bryon Gallant
School of Natural Resources: Faculty Publications
Quantitative modelling plays an important role as biology increasingly deals with big data sets, relies on modelling to understand system dynamics, makes predictions about impacts of changes, and revises our understanding of system interactions. An assessment of quantitative modelling in biology was administered to students (n = 612) in undergraduate biology courses at two universities to provide a picture of student ability in quantitative reasoning within biology and to determine how capable those students felt about this ability. A Rasch analysis was used to construct linear measures and provide validity evidence for the assessment and to examine item statistics …
Learning Across Disciplines In Socio-Environmental Problem Framing, D. Pennington, R. Bonnstetter, E. Gehrig, R. Stokes
Learning Across Disciplines In Socio-Environmental Problem Framing, D. Pennington, R. Bonnstetter, E. Gehrig, R. Stokes
School of Natural Resources: Faculty Publications
No abstract provided.
Professional Competency Self-Efficacy Of Undergraduate Environmental Studies Students: A Case Study Of Gender Differences And Longitudinal Change, D. Gosselin, R. Bonnstetter, E. Gehrig, R. Stokes
Professional Competency Self-Efficacy Of Undergraduate Environmental Studies Students: A Case Study Of Gender Differences And Longitudinal Change, D. Gosselin, R. Bonnstetter, E. Gehrig, R. Stokes
School of Natural Resources: Faculty Publications
No abstract provided.
Resilience Through Climate Services, A.M.S. Ibarra, C. Hewitt, Y. T. Winarto, S. Walker, V. W. Keener, J. Bayala, I. Christel, H. Bloomfield, K. Halsnaes, T. Haigh, D. Jacob, G. P. Brasseur, B. Van Den Hurk
Resilience Through Climate Services, A.M.S. Ibarra, C. Hewitt, Y. T. Winarto, S. Walker, V. W. Keener, J. Bayala, I. Christel, H. Bloomfield, K. Halsnaes, T. Haigh, D. Jacob, G. P. Brasseur, B. Van Den Hurk
School of Natural Resources: Faculty Publications
No abstract provided.
Minimizing Trade-Offs For Sustainable Irrigation, S. Mcdermid, R. Mahmood, M. J. Hayes, J. Bell, Z. Lieberman
Minimizing Trade-Offs For Sustainable Irrigation, S. Mcdermid, R. Mahmood, M. J. Hayes, J. Bell, Z. Lieberman
School of Natural Resources: Faculty Publications
No abstract provided.
Impact Of Bank Stabilization Structures On Upstream And Downstream Bank Mobilization At Cedar River, Nebraska, M. Russell, A. Mittelstet, R. M. Joeckel, J. Korus, C. Castro Bolinaga
Impact Of Bank Stabilization Structures On Upstream And Downstream Bank Mobilization At Cedar River, Nebraska, M. Russell, A. Mittelstet, R. M. Joeckel, J. Korus, C. Castro Bolinaga
School of Natural Resources: Faculty Publications
No abstract provided.
Reconstruction Of Pre-Illinoian Ice Margins And Glaciotectonic Structures From Airborne Electromagnetic (Aem) Surveys At The Western Limit Of Laurentide Glaciation, Midcontinent U.S.A., Jesse T. Korus, Robert M. Joeckel, Jared D. Abraham, Anne-Sophie Høyer, Flemming Jørgensen
Reconstruction Of Pre-Illinoian Ice Margins And Glaciotectonic Structures From Airborne Electromagnetic (Aem) Surveys At The Western Limit Of Laurentide Glaciation, Midcontinent U.S.A., Jesse T. Korus, Robert M. Joeckel, Jared D. Abraham, Anne-Sophie Høyer, Flemming Jørgensen
School of Natural Resources: Faculty Publications
Early and early Middle Pleistocene glaciations in midcontinental USA are poorly understood relative to more recent Illinoian and Wisconsinan glaciations, largely because pre-Illinoian glacial landforms and deposits are eroded and buried. In this paper, we present a new interpretation of buried, pre-Illinoian glacial features along the Laurentide glacial margin in northeastern Nebraska using Airborne ElectroMagnetics (AEM) supplemented with borehole logs and 2m LiDAR elevation data. We detect and map large-scale (101–102 km) geological features using contrasts in electrical resistivity. The Laurentide glacial limit is marked by a continuous (>120 km) contrast between conductive (<15 Ω-m), clayey tills and resistive (>40 Ω-m) sandy sediments. Several …
Patterns In Spatial Use And Movement Of Silver Carp Among Tributaries And Main-Stem Rivers: Insight From Otolith Microchemistry Analysis, J. P. Werner, Q. J. Dean, M. A. Pegg, M. J. Hamel
Patterns In Spatial Use And Movement Of Silver Carp Among Tributaries And Main-Stem Rivers: Insight From Otolith Microchemistry Analysis, J. P. Werner, Q. J. Dean, M. A. Pegg, M. J. Hamel
School of Natural Resources: Faculty Publications
No abstract provided.
Juvenile Chinook Salmon Use Of Sandbar Willows In A Large-Scale, Simulated Riparian Floodplain: Microhabitat And Energetics, N. A. Fangue, D. E. Cocherell, F. Mauduit, J. Poletto, K. Carr, T. A. O'Rear, G. Soyster, S. Lorenzato, J. Carlon, M. L. Kavvas, Cech, J. Joseph Jr.
Juvenile Chinook Salmon Use Of Sandbar Willows In A Large-Scale, Simulated Riparian Floodplain: Microhabitat And Energetics, N. A. Fangue, D. E. Cocherell, F. Mauduit, J. Poletto, K. Carr, T. A. O'Rear, G. Soyster, S. Lorenzato, J. Carlon, M. L. Kavvas, Cech, J. Joseph Jr.
School of Natural Resources: Faculty Publications
No abstract provided.
Feeding Ecology Of Walia Ibex (Capra Walie) In Simien Mountains National Park, Ethiopia, D. Ejigu, A. Bekele, L. A. Powell
Feeding Ecology Of Walia Ibex (Capra Walie) In Simien Mountains National Park, Ethiopia, D. Ejigu, A. Bekele, L. A. Powell
School of Natural Resources: Faculty Publications
No abstract provided.
Simulated Atmospheric Response To Four Projected Land-Use Land-Cover Change Scenarios For 2050 In The North-Central United States, P. Flanagan, R. Mahmood, T. Sohl, M. Svoboda, B. Wardlow, M. J. Hayes, E. Rappin
Simulated Atmospheric Response To Four Projected Land-Use Land-Cover Change Scenarios For 2050 In The North-Central United States, P. Flanagan, R. Mahmood, T. Sohl, M. Svoboda, B. Wardlow, M. J. Hayes, E. Rappin
School of Natural Resources: Faculty Publications
No abstract provided.
Dynamic Landscapes In Northwestern North America Structured Populations Of Wolverines (Gulo Gulo), D. M. Krejsa, S. L. Talbot, S. Sonsthagen, T. S. Jung, A. J. Majoun, J. A. Cook
Dynamic Landscapes In Northwestern North America Structured Populations Of Wolverines (Gulo Gulo), D. M. Krejsa, S. L. Talbot, S. Sonsthagen, T. S. Jung, A. J. Majoun, J. A. Cook
School of Natural Resources: Faculty Publications
No abstract provided.
Assessment Of Dimension-Reduction And Grouping Methods For Catchment Response Time Estimation In Hungary, E. Nagy, J. Szilagyi, P. Torma
Assessment Of Dimension-Reduction And Grouping Methods For Catchment Response Time Estimation In Hungary, E. Nagy, J. Szilagyi, P. Torma
School of Natural Resources: Faculty Publications
No abstract provided.
Reply To Comment By S. Han And F. Tian On "A Calibration-Free Formulation Of The Complementary Relationship Of Evaporation For Continental-Scale Hydrology", J. Szilagyi, R. Crago, R. Qualls
Reply To Comment By S. Han And F. Tian On "A Calibration-Free Formulation Of The Complementary Relationship Of Evaporation For Continental-Scale Hydrology", J. Szilagyi, R. Crago, R. Qualls
School of Natural Resources: Faculty Publications
No abstract provided.
Calibration-Free Complementary Relationship Estimates Terrestrial Evapotranspiration Globally, N. Ma, J. Szilagyi, Y. Zhang
Calibration-Free Complementary Relationship Estimates Terrestrial Evapotranspiration Globally, N. Ma, J. Szilagyi, Y. Zhang
School of Natural Resources: Faculty Publications
No abstract provided.