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Articles 151 - 180 of 9954
Full-Text Articles in Physical Sciences and Mathematics
H5n1 Highly Pathogenic Avian Influenza Clade 2.3.4.4b In Wild And Domestic Birds: Introductions Into The United States And Reassortments, December 2021–April 2022, Sungsu Youk, Mia Kim Torchetti, Kristina Lantz, Julianna B. Lenoch, Mary Lea Killian, Christina Leyson, Sarah N. Bevins, Krista Dilione, Hon S. Ip, David E. Stallknecht, Rebecca L. Poulson, David L. Suarez, David E. Swayne, Mary J. Pantin-Jackwood
H5n1 Highly Pathogenic Avian Influenza Clade 2.3.4.4b In Wild And Domestic Birds: Introductions Into The United States And Reassortments, December 2021–April 2022, Sungsu Youk, Mia Kim Torchetti, Kristina Lantz, Julianna B. Lenoch, Mary Lea Killian, Christina Leyson, Sarah N. Bevins, Krista Dilione, Hon S. Ip, David E. Stallknecht, Rebecca L. Poulson, David L. Suarez, David E. Swayne, Mary J. Pantin-Jackwood
USDA Wildlife Services: Staff Publications
Highly pathogenic avian influenza viruses (HPAIVs) of the A/goose/Guangdong/1/1996 lineage H5 clade 2.3.4.4b continue to have a devastating effect on domestic and wild birds. Full genome sequence analyses using 1369 H5N1 HPAIVs detected in the United States (U.S.) in wild birds, commercial poultry, and backyard flocks from December 2021 to April 2022, showed three phylogenetically distinct H5N1 virus introductions in the U.S. by wild birds. Unreassorted Eurasian genotypes A1 and A2 entered the Northeast Atlantic states, whereas a genetically distinct A3 genotype was detected in Alaska. The A1 genotype spread westward via wild bird migration and reassorted with North American …
Limited Accumulation And Persistence Of An Influenza A Virus In Tadpole Snails (Physa Spp.), Paul T. Oesterle, J. Jeffrey Root, Darcy S.O. Mora, Heather Schneider, Alan B. Franklin, Kathryn P. Huyvaert
Limited Accumulation And Persistence Of An Influenza A Virus In Tadpole Snails (Physa Spp.), Paul T. Oesterle, J. Jeffrey Root, Darcy S.O. Mora, Heather Schneider, Alan B. Franklin, Kathryn P. Huyvaert
USDA Wildlife Services: Staff Publications
Waterfowl infected with avian influenza A viruses (IAVs) shed infectious virus into aquatic environments, providing a mechanism for transmission among waterfowl, while also exposing the entire aquatic ecosystem to the virus. Aquatic invertebrates such as freshwater snails are likely exposed to IAVs in the water column and sediment. Freshwater snails comprise a significant portion of some waterfowl species’ diets, so this trophic interaction may serve as a novel route of IAV transmission. In these experiments, tadpole snails (Physa spp.) were exposed to a low-pathogenicity IAV (H3N8) to determine whether snails can accumulate the virus and, if so, how long virus …
Soil Succession: Short And Long-Term Impacts Of Grazing On Soil Properties In A Tropical Montane Cloud Forest, June Curtis
Soil Succession: Short And Long-Term Impacts Of Grazing On Soil Properties In A Tropical Montane Cloud Forest, June Curtis
Independent Study Project (ISP) Collection
Cattle ranching is the leading cause of deforestation in South America, causing long-lasting alterations to the continent's landscape and ecology. Tropical montane cloud forests (TMCFs) are a rare ecosystem particularly vulnerable to the effects of land conversion to pasture, a process which has implications ranging from biodiversity loss to soil degradation. Grazing is known to significantly alter soils' physical structure through processes of compaction and erosion as well as significant additions of organic matter. Silvopasture, or the integration of pasture and forest, has emerged as an alternative to traditional grazing practices with the hope of mitigating environmental and soil degradation. …
Lha, Lu, And Shipda: Religious Landscape In A Conservation Area, Luke Stumpfl
Lha, Lu, And Shipda: Religious Landscape In A Conservation Area, Luke Stumpfl
Independent Study Project (ISP) Collection
Living in a political, cultural, and geographic border region between Nepal and Tibet (People’s Republic of China), the families of Tsum Valley face many demands from their sociopolitical, religious, and economic climate. Practicing Tibetan Buddhism, the people uphold a set of rules implemented by the community with leadership from Serap Dorje Drukpa Rinpoche over 100 years ago that prohibits the intentional murder of all animals. Hailed by leaders and scholars as a haven of biodiversity conservation due to this customary-turned- municipal law, Tsum Valley also exists within Manaslu Conservation Area governed by an entity of the federal government of Nepal …
Flujos De Servicios Ecosistémicos En Un Área Marina Protegida Del Atlántico Sur: Perspectivas Desde El Análisis De La Teoría De Redes, Mitch Porter
Independent Study Project (ISP) Collection
En cuestiones de gestión de áreas protegidas, los servicios ecosistémicos se tienen cada vez más en cuenta junto con la conservación de la biodiversidad. Sin embargo, las decisiones que se toman sobre la conservación de los servicios ecosistémicos no suelen incluir los posibles efectos en cascada de la pérdida de biodiversidad sobre la provisión de servicios. Los conocimientos de la teoría de redes y los estudios de robustez pueden proporcionar una metodología para evaluar la vulnerabilidad de estos servicios frente la estructura trófica de los ecosistemas que los proveen. A través de una serie de simulaciones de extinción para la …
Response Of Lake Metabolism To Catchment Inputs Inferred Using High-Frequency Lake And Stream Data From Across The Northern Hemisphere, Jessica R. Corman, Jacob A. Zwart, Jennifer Klug, Denise A. Bruesewitz, Elvira De Eyto, Marcus Klaus, Lesley B. Knoll, James A. Rusak, Michael J. Vanni, María Belén Alfonso, Rocio Luz Fernandez, Huaxia Yao, Kari Austnes, Raoul-Marie Couture, Heleen A. De Wit, Jan Karlsson, Alo Laas
Response Of Lake Metabolism To Catchment Inputs Inferred Using High-Frequency Lake And Stream Data From Across The Northern Hemisphere, Jessica R. Corman, Jacob A. Zwart, Jennifer Klug, Denise A. Bruesewitz, Elvira De Eyto, Marcus Klaus, Lesley B. Knoll, James A. Rusak, Michael J. Vanni, María Belén Alfonso, Rocio Luz Fernandez, Huaxia Yao, Kari Austnes, Raoul-Marie Couture, Heleen A. De Wit, Jan Karlsson, Alo Laas
School of Natural Resources: Faculty Publications
In lakes, the rates of gross primary production (GPP), ecosystem respiration (R), and net ecosystem production (NEP) are often controlled by resource availability. Herein, we explore how catchment vs. within lake predictors of metabolism compare using data from 16 lakes spanning 39oN to 64oN, a range of inflowing streams, and trophic status. For each lake, we combined stream loads of dissolved organic carbon (DOC), total nitrogen (TN), and total phosphorus (TP) with lake DOC, TN, and TP concentrations and high frequency in situ monitoring of dissolved oxygen. We found that stream load stoichiometry indicated lake stoichiometry …
A Citizen Science Experiment: How Well Do Park Visitors Identify Wetland Health?, Madison Cicha, Kassidy Haynes, Andrew Mehring, Mark Tierney, Andrea Gaughan Phd
A Citizen Science Experiment: How Well Do Park Visitors Identify Wetland Health?, Madison Cicha, Kassidy Haynes, Andrew Mehring, Mark Tierney, Andrea Gaughan Phd
The Cardinal Edge
Citizen science refers to a discipline of scientific projects that utilize public participation and collaboration to complete or supplement a collected data set. Our study as a whole aims to assess the greenhouse gas (GHG) source-sink status of small, constructed wetlands in Kentucky through field and remotely sensed data. Additional facets of the project include evaluating the influence of the primary producer community on GHG uptake and emissions, and our ability to identify healthy small wetlands from science and community-based perspectives. Specifically, the citizen science aspect intends to assess both (1) gaps between knowledge of the general public regarding wetland …
Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow
Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow
School of Natural Resources: Faculty Publications
Single activation of peroxymonosulfate (PMS) in a homogeneous system is sometimes insufficient for producing reactive oxygen species (ROS) for water treatment applications. In this work, manganese spinel ferrite and graphitic carbon nitride (MnFe2O4/g-C3N4; MnF) were successfully used as an activator for PMS under visible light irradiation to remove the four-mostdetected- hormone-contaminated water under different environmental conditions. The incorporation of g-C3N4 in the nanocomposites led to material enhancements, including increased crystallinity, reduced particle agglomeration, amplified magnetism, improved recyclability, and increased active surface area, thereby facilitating the PMS activation and electron …
Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow
Dual Activation Of Peroxymonosulfate Using Mnfe2O4/G‑C3N4 And Visible Light For The Efficient Degradation Of Steroid Hormones: Performance, Mechanisms, And Environmental Impacts, Kitipong Poomipuen, Chainarong Sakulthaew, Chanat Chokejaroenrat, Athaphon Angkaew, Kanidrawee Techauay, Thapanee Poompoung, Kanokwan Teingtham, Piyaporn Phansak, Piyangkun Lueangjaroenkit, Daniel D. Snow
Daugherty Water for Food Global Institute: Faculty Publications
Single activation of peroxymonosulfate (PMS) in a homogeneous system is sometimes insufficient for producing reactive oxygen species (ROS) for water treatment applications. In this work, manganese spinel ferrite and graphitic carbon nitride (MnFe2O4/g-C3N4; MnF) were successfully used as an activator for PMS under visible light irradiation to remove the four-mostdetected- hormone-contaminated water under different environmental conditions. The incorporation of g-C3N4 in the nanocomposites led to material enhancements, including increased crystallinity, reduced particle agglomeration, amplified magnetism, improved recyclability, and increased active surface area, thereby facilitating the PMS activation and electron …
What Is The Priestley–Taylor Wet-Surface Evaporation Parameter? Testing Four Hypotheses, Richard D. Crago, Jozsef Szilagyi, Russell J. Qualls
What Is The Priestley–Taylor Wet-Surface Evaporation Parameter? Testing Four Hypotheses, Richard D. Crago, Jozsef Szilagyi, Russell J. Qualls
School of Natural Resources: Faculty Publications
This study compares four different hypotheses regarding the nature of the Priestley–Taylor parameter α. They are as follows:
- α is a universal constant.
- The Bowen ratio (H/LE, where H is the sensible heat flux, and LE is the latent heat flux) for equilibrium (i.e., saturated air column near the surface) evaporation is a constant times the Bowen ratio at minimal advection (Andreas et al., 2013).
- Minimal advection over a wet surface corresponds to a particular relative humidity value.
- α is a constant fraction of the difference from the minimum value of 1 to the maximum value of α …
Water-Energy-Food Linkages In Community Smallholder Irrigation Schemes: Center Pivot Irrigation In Rwanda, Ankit Chandra, Derek M. Heeren, Lameck O. Odhiambo, N. Brozovic
Water-Energy-Food Linkages In Community Smallholder Irrigation Schemes: Center Pivot Irrigation In Rwanda, Ankit Chandra, Derek M. Heeren, Lameck O. Odhiambo, N. Brozovic
Daugherty Water for Food Global Institute: Faculty Publications
Water, energy, and food are linked in intricate ways in irrigated agriculture and understanding the interplay of these components is crucial for sustainable and profitable crop production, particularly in smallholder setting such as in sub-Saharan Africa. This study evaluates water-energy-food linkages, engineering and economic performance, irrigation decision making, and challenges faced around water management in a community-based mechanized irrigation scheme in Rwanda. The research is the first to analyze such as scheme, which uses technology typically used by large farmers in a smallholder setting. The study investigates the variation in water requirements and the relationship and impacts of this variability …
Assessing Environmental Impact Of The Built Environment By Adopting Life Cycle Design: Using Swanton Pacific Ranch As A Case Study, Hope E. Springer
Assessing Environmental Impact Of The Built Environment By Adopting Life Cycle Design: Using Swanton Pacific Ranch As A Case Study, Hope E. Springer
Master of Science in Environmental Sciences and Management Projects
To combat the carbon emissions contributed to the atmosphere by the built environment, it is imperative that low-embodied-carbon materials choices be prioritized throughout the building design process. To achieve this, this professional project creates an Excel-based, open source, and user-friendly tool for the construction sector to make design decisions that prioritize the sustainability of structures, as one such tool does not currently exist. The use of OpenLCA software and the EcoInvent34 database are utilized to calculate the environmental impact of 25 different building materials, as well as energy and electricity consumption. Swanton Pacific Ranch (SPR) in Santa Cruz County is …
Antiviral Susceptibility Of Clade 2.3.4.4b Highly Pathogenic Avian Influenza A(H5n1) Viruses Isolated From Birds And Mammals In The United States, 2022, Ha T. Nguyen, Anton Chesnokov, Juan De La Cruz, Philippe Noriel Q. Pascua, Vasiliy P. Mishin, Yunho Jang, Joyce Jones, Han Di, Andrei A. Ivashchenko, Mary Lea Killian, Mia K. Torchetti, Kristina Lantz, David E. Wentworth, Charles T. Davis, Alexandre V. Ivachtchenko, Larisa V. Gubareva
Antiviral Susceptibility Of Clade 2.3.4.4b Highly Pathogenic Avian Influenza A(H5n1) Viruses Isolated From Birds And Mammals In The United States, 2022, Ha T. Nguyen, Anton Chesnokov, Juan De La Cruz, Philippe Noriel Q. Pascua, Vasiliy P. Mishin, Yunho Jang, Joyce Jones, Han Di, Andrei A. Ivashchenko, Mary Lea Killian, Mia K. Torchetti, Kristina Lantz, David E. Wentworth, Charles T. Davis, Alexandre V. Ivachtchenko, Larisa V. Gubareva
USDA Wildlife Services: Staff Publications
Clade 2.3.4.4b highly pathogenic avian influenza (HPAI) A(H5N1) viruses that are responsible for devastating outbreaks in birds and mammals pose a potential threat to public health. Here, we evaluated their susceptibility to influenza antivirals. Of 1,015 sequences of HPAI A(H5N1) viruses collected in the United States during 2022, eight viruses (∼0.8%) had a molecular marker of drug resistance to an FDA-approved antiviral: three adamantane-resistant (M2-V27A), four oseltamivir-resistant (NA-H275Y), and one baloxavir-resistant (PA-I38T). Additionally, 31 viruses contained mutations that may reduce susceptibility to inhibitors of neuraminidase (NA) (n = 20) or cap-dependent endonuclease (CEN) (n = 11). A panel of 22 …
Pumping-Induced Drawdown Of Streams In Proximity To Agricultural Wells, Sara Alina Sternberg
Pumping-Induced Drawdown Of Streams In Proximity To Agricultural Wells, Sara Alina Sternberg
Master of Science in Environmental Sciences and Management Projects
In the context of unprecedented drought and aquifer overdraft in California, understanding surface water and groundwater connectivity have become increasingly important. While there is a clear understanding of how wells induce drawdown in aquifers (Theis, 1935; Hantush, 1965), secondary effects on local streams have not fully been considered. Current mathematical models targeting aquifer drawdown do not address stream drawdown response in aquifer-stream systems with strong connectivity; instead, they assume the stream to be a constant head boundary. In the drought-stricken and summer-dry climate of California, streams often run dry for months out of the year, which is currently not reflected …
A Description Of The Grassland Communities Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, Volume I, Terri Hildebrand, Steven B. Rolfsmeier
A Description Of The Grassland Communities Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, Volume I, Terri Hildebrand, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This study resulted from a Cooperative Agreement between Nebraska Game and Parks Commission and the National Park Service (NPS), with funding provided by the Natural Resource Preservation Program of the NPS. Scotts Bluff National Monument was seeking to characterize the native grassland communities of the Wildcat Hills region in order to develop species composition models for prairie restoration of disturbed lands at the monument. Nebraska Game and Parks Commission needed similar information to refine community classification for the Wildcat Hills region, and to update rare plant species inventories. This report includes a description of the grassland communities and a rare …
A Description Of The Grassland Communities Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, Volume Ii, Terri Hildebrand, Steven B. Rolfsmeier
A Description Of The Grassland Communities Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, Volume Ii, Terri Hildebrand, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This study resulted from a Cooperative Agreement between Nebraska Game and Parks Commission and the National Park Service (NPS), with funding provided by the Natural Resource Preservation Program of the NPS. Scotts Bluff National Monument was seeking to characterize the native grassland communities of the Wildcat Hills region in order to develop species composition models for prairie restoration of disturbed lands at the monument. Nebraska Game and Parks Commission needed similar information to refine community classification for the Wildcat Hills region, and to update rare plant species inventories. This report includes a description of the grassland communities and a rare …
Vegetative Sampling Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, A Final Report To: Nebraska Game And Parks Commission, Terri Hildebrand, Steven B. Rolfsmeier
Vegetative Sampling Of The Wildcat Hills Region Of Northwestern Nebraska Including Scotts Bluff National Monument And Rare Plant Survey Of The Wildcat Hills Region Of Northwestern Nebraska, A Final Report To: Nebraska Game And Parks Commission, Terri Hildebrand, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The Wildcat Hills region of northwestern Nebraska is a ridge extending westerly from Chimney Rock in Morrill county to west of Kiowa Creek in central Scotts Bluff county and southerly into the northernmost portions of Banner county (Fig. 1). Much of the expanse is fronted along its northern portion by the North Platte River and US Highway 26. Also included within the study area are the federal lands of Scotts Bluff National Monument and Chimney Rock National Historic Site. Two large portions of state lands, Wildcat Hills State Recreation Area and Buffalo Creek Wildlife Management Area, are located just easterly …
White-Tailed Deer (Odocoileus Virginianus) Fawn Survival And The Influence Of Landscape Characteristics On Fawn Predation Risk In The Southern Appalachian Mountains, Usa, Adam C. Edge, Jacalyn P. Rosenberger, Cheyenne J. Yates, Andrew R. Little, Charlie H. Killmaster, Kristina L. Johannsen, David A. Osborn, John C. Kilgo, Karl V. Miller, Gino J. D’Angelo
White-Tailed Deer (Odocoileus Virginianus) Fawn Survival And The Influence Of Landscape Characteristics On Fawn Predation Risk In The Southern Appalachian Mountains, Usa, Adam C. Edge, Jacalyn P. Rosenberger, Cheyenne J. Yates, Andrew R. Little, Charlie H. Killmaster, Kristina L. Johannsen, David A. Osborn, John C. Kilgo, Karl V. Miller, Gino J. D’Angelo
School of Natural Resources: Faculty Publications
In the Southern Appalachian region of the United States, harvest data has indicated the occurrence of low deer densities while exposing a trend of declining white-tailed deer (Odocoileus virginianus) populations over the past several decades in northern Georgia. A triumvirate of increasing fawn predator populations reside in the Southern Appalachian Mountains including coyotes (Canis latrans), black bears (Ursus americanus) and bobcats (Lynx rufus). This region is also characterized by a homogenous landscape composed of mature forests and sparse understory vegetation, likely lacking adequate cover to offer fawns refugia from predators. Our objectives …
Freshwater And Saline Flood Plain Wetlands Of The North Platte River - Sources And Seasonal Dynamics: Kiowa Wildlife Management Area, Morrill, Ne, Anne M. Matherne
Freshwater And Saline Flood Plain Wetlands Of The North Platte River - Sources And Seasonal Dynamics: Kiowa Wildlife Management Area, Morrill, Ne, Anne M. Matherne
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The Kiowa Wildlife Management Area (WMA), a 1 mi² wetland and upland on the North Platte River, was acquired by the Nebraska Game and Parks Commission (NGPC) in 1993. The WMA comprises two distinct wetland types, alkaline and freshwater, both of which provide important wildlife habitat. It was the goal of this project to understand the hydrology controlling the development and maintenance of these wetlands in order to anticipate the affect of management strategies on the wetland complex. The study was designed to develop a comprehensive picture of the hydrogeology of both the fresh and alkaline portions of the WMA, …
Willa Cather Ecological Prairie: An Ecological Overview, Harold G. Nagel
Willa Cather Ecological Prairie: An Ecological Overview, Harold G. Nagel
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This report includes data gathered on the ecology of a 610 acre mixed grass prairie in south-central Nebraska over a two year period.
An attempt was made to identify as many of the plant and animal species present and to determine density and standing crop biomass wherever possible, under the time and financial constraints present. Few attempts have been made to develop complete species checklists for both animals and plants in prairies. The data collected are considered baseline conditions against which comparisons can be made after a management plan is carried out.
This study of Cather Prairie had several objectives. …
The Flora Of The Oak-Wooded Drainages At The Timber Point Area, Southeastern Butler County, Nebraska, Steven B. Rolfsmeier
The Flora Of The Oak-Wooded Drainages At The Timber Point Area, Southeastern Butler County, Nebraska, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The Timber Point Area is a 160-acre recreational/wildlife area occupying to S½ of the SW¼ sec. 22 and the adjacent N½ of the NW¼ sec. 27, T14N R4E. The area is located in the loess-mantled glacial-till hills of southeast Nebraska not far from the terminal moraine of the Pre-Illinoian glacial sheet, one mile south and two miles east of the present town of Brainard. The uplands at Timber Point were apparently in pasture prior to purchase by the NRD, with some cultivated fields occupying the lower ground along a stream valley which southwest to northeast through the property. This small …
The Flora Of Two Oak Drainages At The Red Cedar Area, Southwestern Saunders County, Nebraska, Steven B. Rolfsmeier
The Flora Of Two Oak Drainages At The Red Cedar Area, Southwestern Saunders County, Nebraska, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The Red Cedar Area is a 175 acre recreational/wildlife area occupying the SE¼ sec. 20, T14N R5E and a small portion of sec. 29 directly to the south. The area is located in the glacial-till hills of southeast Nebraska ca 5 mi. north and 2 mi. west of Valpraiso. The bulk of the area was cultivated farmland prior to purchase by the NRD, and nearly all upland areas here were cultivated cropland, save for some steep oak-wooded drainages on the east side of Hunter’s Slough, which ran northwest to southeast through the property. The creek was dammed after NRD purchase …
The Vascular Plants Of The Woodlands Of South Table Creek In The Vicinity Of The National Arbor Day Center, Nebraska City, Nebraska, Steven B. Rolfsmeier
The Vascular Plants Of The Woodlands Of South Table Creek In The Vicinity Of The National Arbor Day Center, Nebraska City, Nebraska, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
The objective of this study is to describe the composition of the vascular plant flora of a three-quarter mile stretch of woodland along South Table Creek managed by the National Arbor Day Foundation in Nebraska City. This 50-60 acre woodland is representative of the many small tributaries of the Missouri River in southeastern Nebraska, and may represent the only natural “preserve” of native forest on the west side of the Missouri River between Fontenelle Forest and Indian Cave State Park. All naturally-occurring species encountered in this study are listed alphabetically by family at the end of this paper, and a …
The Flora Of Meadowlark Prairie, Northeastern Seward County, Nebraska, Steven B. Rolfsmeier
The Flora Of Meadowlark Prairie, Northeastern Seward County, Nebraska, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This report is on the flora of the Meadowlark Prairie. The prairie is an approximately 7 acre remnant of virgin tall-grass prairie in extreme northeastern Seward County, Nebraska. The remnant is triangular in shape and lies on a gentle southeast-facing slope with a total relief of 50 ft., along the east boundary of the Meadowlark Recreation Area. The prairie is surrounded on the east side by a small brome-infested prairie remnant and cultivated field off the NRD property, and on the remaining sides by formerly cultivated fields now seeded to native warm-season grasses. Soils in the area are primarily derived …
The Flora And Plant Communities Of The Ceresco Saline Basins, Southern Saunders County, Nebraska, Steven B. Rolfsmeier
The Flora And Plant Communities Of The Ceresco Saline Basins, Southern Saunders County, Nebraska, Steven B. Rolfsmeier
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This report is on the flora and plant communities of the Ceresco Saline Basins. The basins are along Rock Creek east of Ceresco and represent the northernmost representatives of the “eastern saline marsh” community in Nebraska. Eastern saline marshland is mostly restricted to the Salt Creek drainage in northern and central Lancaster County, though the Ceresco basins extend a mile or more north into Saunders County in the floodplain of Rock Creek. Some of the wetland in this area is currently under management of the Nebraska Game and Parks Commission, while some of the northernmost portions of the basins are …
Current Conditions, Issues, And Suggestions For Ecological Protection And High-Quality Development In Loess Plateau, Bojie Fu, Yansui Liu, Zhi Cao, Zhuangzhuang Wang, Xutong Wu
Current Conditions, Issues, And Suggestions For Ecological Protection And High-Quality Development In Loess Plateau, Bojie Fu, Yansui Liu, Zhi Cao, Zhuangzhuang Wang, Xutong Wu
Bulletin of Chinese Academy of Sciences (Chinese Version)
The ecological protection and high-quality development of the Yellow River Basin has been prioritized as a national strategy. The release and implementation of the Outline of the Yellow River Basin's Ecological Protection and High-quality Development Plan in 2021 have placed the Loess Plateau, located in the middle reach of the Yellow River, in a critical phase characterized by the need to sustain ecological restoration achievements while fostering socioeconomic progress. This study provides a comprehensive overview of the current conditions and issues related to ecological construction and socioeconomic development in the Loess Plateau. It proposes four specific suggestions focusing on improving …
Research On China’S Marine Protected Areas Policy Based On Kunming-Montreal Global Biodiversity Framework 2030 Targets, Ke Duan, Xiulin Wang
Research On China’S Marine Protected Areas Policy Based On Kunming-Montreal Global Biodiversity Framework 2030 Targets, Ke Duan, Xiulin Wang
Bulletin of Chinese Academy of Sciences (Chinese Version)
The Kunming-Montreal Global Biodiversity Framework adopted by the United Nations Convention on Biological Diversity (CBD) at the Conference of Parties (COP15) has set a series of targets, including protecting at least 30% of the oceans by 2030 worldwide. In China, how to build a marine ecological civilization in synergy with the targets has become an important issue. This study analyzes the necessity of accelerating the construction of marine protected areas in China from the perspectives of adapting to international trends, fulfilling the responsibilities of international conventions, safeguarding maritime rights and interests, and implementing the maritime power and strategy. The feasibility …
Integrating Environmental Dna, Traditional Fisheries Techniques, And Species Distribution Modeling To Assess Bridle Shiner Status In Maine, Lara S. Katz
Electronic Theses and Dissertations
The bridle shiner (Notropis bifrenatus) is a small minnow species native to the eastern United States and southeastern Canada. The species is declining dramatically throughout most of its native range and has legal protection or concern status in thirteen states and two Canadian provinces. In Maine, the bridle shiner is listed as a Species of Special Concern and considered a Species of Greatest Conservation Need, partially because we lack a basic understanding of their status and distribution within the state. Bridle shiners have historically been found in southern and western Maine in densely vegetated, shallow habitats along the …
Evaluation Of Native Plant Communities On Nebraska Game And Parks Commission State Parks, Robert F. Steinauer
Evaluation Of Native Plant Communities On Nebraska Game And Parks Commission State Parks, Robert F. Steinauer
Nebraska Game and Parks Commission: White Papers, Conference Presentations, and Manuscripts
This report evaluates the Native Plant Communities on Nebraska Game and Parks Commission State Parks East Region, also known as Region 3, which includes much of northeast and extreme eastern Nebraska, including portions of the lower Niobrara, Elkhorn and Platte Rivers and nearly the entire east border formed by the Missouri River. Fifteen state-listed threatened and endangered species have been recorded within the boundaries of Region 3 within the last twenty years. Several of these occupy habitats within major river channels.
Surveyed areas which contained habitat for legally protected species include Dead Timber State Recreation Area, Indian Cave State Park, …
Drivers Of Variability In Blue Carbon Stocks And Burial Rates Across European Estuarine Habitats, Inés Mazarrasa, Joao M. Neto, Tjeerd J. Bouma, Tim Grandjean, Jordi Garcia-Orellana, Pere Masqué, María Recio, Óscar Serrano, Araceli Puente, José A. Juanes
Drivers Of Variability In Blue Carbon Stocks And Burial Rates Across European Estuarine Habitats, Inés Mazarrasa, Joao M. Neto, Tjeerd J. Bouma, Tim Grandjean, Jordi Garcia-Orellana, Pere Masqué, María Recio, Óscar Serrano, Araceli Puente, José A. Juanes
Research outputs 2022 to 2026
The implementation of climate change mitigation strategies based on the conservation and restoration of Blue Carbon ecosystems requires a deep understanding of the magnitude and variability in organic carbon (Corg) storage across and within these ecosystems. This study explored the variability in soil Corg stocks and burial rates across and within intertidal estuarine habitats of the Atlantic European coast and its relation to biotic and abiotic drivers. A total of 136 soil cores were collected across saltmarshes located at different tidal zones (high marsh, N = 45; low marsh, N = 30), seagrass meadows (N = 17) and tidal flats …