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Articles 1 - 28 of 28
Full-Text Articles in Life Sciences
Results Of Proximate Analysis Of Energy Use Of Municipal Solid Waste, N.N. Abduganiev
Results Of Proximate Analysis Of Energy Use Of Municipal Solid Waste, N.N. Abduganiev
Irrigation and Melioration
In the modern industrialized world, various raw materials are processed and used for human consumption. While some of the raw materials are converted into the desired product, the rest is thrown into the environment as waste. It is known that solid waste is a type of biomass that is formed in the course of human life. The article presents the results of a preliminary analysis of studies on the use of solid waste energy in the Urta-Chirchik district of the Tashkent region. Sorting results showed that the total volume of municipal solid waste in the district consists mainly of wood …
Comparing Macroinvertebrate Total Abundance And Total Biomass On Five Substrate Types From Upstream To Downstream On The North Branch Of The Au Sable River, Paul David Dingman
Comparing Macroinvertebrate Total Abundance And Total Biomass On Five Substrate Types From Upstream To Downstream On The North Branch Of The Au Sable River, Paul David Dingman
Masters Theses
The North Branch of the Au Sable River is located in the northern lower peninsula of Michigan and is known for prolific hatches of Ephemeroptera (mayflies), Trichoptera (caddisflies), and Plecoptera (stoneflies). Macroinvertebrates play an important role in processing and recycling organic material in rivers and are a valuable food source for trout. In 2018, anglers were reporting catching fewer numbers of brook and brown trout (Salmo trutta and Salvelinus fontinalis). The Michigan Department of Natural Resources (MDNR) determined significantly lower abundance than the historical average. We hypothesized that trout abundances were lower due to a lack of prey …
Switchgrass For Biomass Production, Monroe Rasnake, D. Parrish, Garry D. Lacefield, D. Wolf
Switchgrass For Biomass Production, Monroe Rasnake, D. Parrish, Garry D. Lacefield, D. Wolf
IGC Proceedings (1997-2023)
Six cultivars of switchgrass (Panicum virgatum) were established in 1993 at Princeton, Kentucky, USA. Two harvest systems were used: two cuttings per year in mid-June and November and one cutting per year in November. Biomass yield and stand survival were evaluated. Lowland cultivars produced more biomass than upland cultivars in both cutting managements. Upland cultivars did better in a two cut system while the other cultivars showed little difference. Excellent stands of all cultivars were maintained under both cutting managements.
Enhanced Grazing Management Assessment Using Drone-Based Lidar Measurements, V. W. Temu, W. C. Hession, P. Sforza, H. Wang
Enhanced Grazing Management Assessment Using Drone-Based Lidar Measurements, V. W. Temu, W. C. Hession, P. Sforza, H. Wang
IGC Proceedings (1997-2023)
Globally, there is an urgent need of research-based technologies for small ruminant producers to benefit from rapidly growing market demands for ruminant meat and related food products from forage-based operations. However, effective forage-based animal production requires a rapid assessment, and monitoring of grazing management needs to adjust stocking rates and/or spatial animal distribution in a timely manner. Applicability of unmanned aerial vehicles (drones) for grazing management offers opportunities to rapidly estimate biomass build-ups, ground coverage, and monitor animal behaviour. The reliability of drone-based laser scanning (DLS) for monitoring warm-season grass responses to simulated grazing intensities was assessed at Virginia State …
Moderate Plant–Soil Feedbacks Have Small Effects On The Biodiversity–Productivity Relationship: A Field Experiment, Josephine Grenzer, Andrew Kulmatiski, Leslie Forero, Anne Ebeling, Nico Eisenhauer, Jeanette Norton
Moderate Plant–Soil Feedbacks Have Small Effects On The Biodiversity–Productivity Relationship: A Field Experiment, Josephine Grenzer, Andrew Kulmatiski, Leslie Forero, Anne Ebeling, Nico Eisenhauer, Jeanette Norton
Wildland Resources Student Research
Plant–soil feedback (PSF) has gained attention as a mechanism promoting plant growth and coexistence. However, most PSF research has measured monoculture growth in greenhouse conditions. Translating PSFs into effects on plant growth in field communities remains an important frontier for PSF research. Using a 4-year, factorial field experiment in Jena, Germany, we measured the growth of nine grassland species on soils conditioned by each of the target species (i.e., 72 PSFs). Plant community models were parameterized with or without these PSF effects, and model predictions were compared to plant biomass production in diversity–productivity experiments. Plants created soils that changed subsequent …
Biomass Production On Farms In The Eastern United States, Thomas C. Keene, S. Ray Smith, Michael D. Montross
Biomass Production On Farms In The Eastern United States, Thomas C. Keene, S. Ray Smith, Michael D. Montross
IGC Proceedings (1997-2023)
No abstract provided.
Multiple‐Use Grasslands: Integrating Forage, Biofuel, And Carbon/Phosphorus Sinks, James P. Muir, B. Lambert, G. W. Evers, T. J. Butler, K. F. Bronson, L. Stanley‐Stevens, R. D. Wittie
Multiple‐Use Grasslands: Integrating Forage, Biofuel, And Carbon/Phosphorus Sinks, James P. Muir, B. Lambert, G. W. Evers, T. J. Butler, K. F. Bronson, L. Stanley‐Stevens, R. D. Wittie
IGC Proceedings (1997-2023)
No abstract provided.
Biorenewable Energy: New Opportunities For Grassland Agriculture, Kenneth J. Moore, Steven L. Fales, Emily A. Heaton
Biorenewable Energy: New Opportunities For Grassland Agriculture, Kenneth J. Moore, Steven L. Fales, Emily A. Heaton
IGC Proceedings (1997-2023)
No abstract provided.
The Use Of Sustainable Agronomic Practices And Grazing To Manage Organic Olive Orchards In Western Australia, C. Faiello, Andrea Pardini, L. Litjens
The Use Of Sustainable Agronomic Practices And Grazing To Manage Organic Olive Orchards In Western Australia, C. Faiello, Andrea Pardini, L. Litjens
IGC Proceedings (1997-2023)
No abstract provided.
A Research Of The Living Environment In The Pasturing Area, Yajuan Guo, Yong Gao, Xu Sun
A Research Of The Living Environment In The Pasturing Area, Yajuan Guo, Yong Gao, Xu Sun
IGC Proceedings (1997-2023)
No abstract provided.
Plant-Soil Feedbacks Help Explain Biodiversity-Productivity Relationships, Leslie E. Forero, Andrew Kulmatiski, Josephine Grenzer, Jeanette M. Norton
Plant-Soil Feedbacks Help Explain Biodiversity-Productivity Relationships, Leslie E. Forero, Andrew Kulmatiski, Josephine Grenzer, Jeanette M. Norton
Wildland Resources Student Research
Species-rich plant communities can produce twice as much aboveground biomass as monocultures, but the mechanisms remain unresolved. We tested whether plant-soil feedbacks (PSFs) can help explain these biodiversity-productivity relationships. Using a 16-species, factorial field experiment we found that plants created soils that changed subsequent plant growth by 27% and that this effect increased over time. When incorporated into simulation models, these PSFs improved predictions of plant community growth and explained 14% of overyielding. Here we show quantitative, field-based evidence that diversity maintains productivity by suppressing plant disease. Though this effect alone was modest, it helps constrain the role of factors, …
Sources Of Variation In Bourbon Whiskey Barrels: A Review, Jarrad Gollihue, Victoria G. Pook, Seth Debolt
Sources Of Variation In Bourbon Whiskey Barrels: A Review, Jarrad Gollihue, Victoria G. Pook, Seth Debolt
Horticulture Faculty Publications
Oak barrels serve two purposes in the production of distilled spirits: storage containers and reaction vessels. It is the latter function which bestows barrel aged spirits with their unique and highly sought after flavour profiles. However, achieving consistent flavour profiles between barrels is notoriously difficult as no two barrels are comprised of the same source of oak. Source variation is due to a range of factors, beginning with the genetic and topographical background of the oak tree from which the barrel staves originate, the spatial region of the tree from which the stave was taken and continuing through each step …
Exploration Of The Sludge Biodiesel Pathway, Zachary Christman
Exploration Of The Sludge Biodiesel Pathway, Zachary Christman
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Wastewater sludge is an overlooked source of fat, oil, and grease (FOG) that could be converted into biodiesel. The United States produces about 8 million tons of sludge per year. The disposal cost for this amount of sludge is about 2 billion US dollars. The widespread availability and low cost of sludge compared to other biodiesel raw materials make it an economical choice for a renewable fuel. Using sludge as a raw material can produce 25 to 30 mg per gram of fatty acid methyl ester (FAME); the main component of biodiesel. Sludge biodiesel has the potential of transforming a …
Investigation Of Interactions Between 1,3 Dialkyl Imidazolium Ionic Liquids And Lignocellulosic Polymers, Aparna Annamraju
Investigation Of Interactions Between 1,3 Dialkyl Imidazolium Ionic Liquids And Lignocellulosic Polymers, Aparna Annamraju
Doctoral Dissertations
Lignocellulosic biomass is a potential energy source for fuels, chemicals and materials production in a sustainable manner. A network of covalent and non-covalent bonds between the three main polymers of biomass, i.e., cellulose, hemicellulose and lignin, results in a compact structure that is resistant to chemical and biological attacks and therefore challenging for the efficient utilization of lignocellulosic biomass. Ionic liquids (ILs) have been reported to disrupt the bonds between these polymers and dissolve biomass at temperatures below 100 ˚C. Research through the years has shown that biomass pretreatment with IL brings out the selective dissolution of biomass polymers and …
Efficiency Of Water Use By Cactus Pear (Opuntia Spp.), Hennie A. Snyman
Efficiency Of Water Use By Cactus Pear (Opuntia Spp.), Hennie A. Snyman
IGC Proceedings (1997-2023)
No abstract provided.
Geo-Spatial Modeling Of Carbon Sequestration Assessment In Date Palm, Abu Dhabi: An Integrated Approach Of Fieldwork, Remote Sensing, And Gis, Basam Saeed Dahy
Geo-Spatial Modeling Of Carbon Sequestration Assessment In Date Palm, Abu Dhabi: An Integrated Approach Of Fieldwork, Remote Sensing, And Gis, Basam Saeed Dahy
Dissertations
The United Arab Emirates (UAE) has undertaken huge efforts to green the desert and afforestation projects (planted mainly with date palms) hence, reducing its carbon footprint, which have never been accounted for, because of lack of implemented mechanisms and tools to assess the amount of biomass and carbon stock (CS) sequestered by plants in the country. The purpose of this dissertation is to implement a new approach towards assessing the carbon sequestered by date palm (DP) plantations in Abu Dhabi, in both their biomass compartment as well as the soils under beneath, using geospatial technologies (RS and GIS) assessed by …
Annual Pasture Legumes For Increased Productivity Of Aaline Soils In South‐Western Australia, P. G. H. Nichols, D. R. Mcclements, T. O. Albertsen
Annual Pasture Legumes For Increased Productivity Of Aaline Soils In South‐Western Australia, P. G. H. Nichols, D. R. Mcclements, T. O. Albertsen
IGC Proceedings (1997-2023)
No abstract provided.
Domestication Of Mediterranean Annual Pasture Legumes For Australian Farming Systems, P. G. H. Nichols, Angelo Loi, B. J. Nutt, R. Snowball, Clinton K. Revell
Domestication Of Mediterranean Annual Pasture Legumes For Australian Farming Systems, P. G. H. Nichols, Angelo Loi, B. J. Nutt, R. Snowball, Clinton K. Revell
IGC Proceedings (1997-2023)
No abstract provided.
Effect Of Litter On Productivity Of Stipa Grandis Steppe, Jing Wang, Mengli Zhao, Walter Wimms, Guodong Han
Effect Of Litter On Productivity Of Stipa Grandis Steppe, Jing Wang, Mengli Zhao, Walter Wimms, Guodong Han
IGC Proceedings (1997-2023)
No abstract provided.
Dynamical Studies On Species Interaction And Biomass Of Mixed Pasture In South‐Western China, L. Q. Wan, X. L. Li, H. W. Gao, F. He, J. R. Bai, F. Liu
Dynamical Studies On Species Interaction And Biomass Of Mixed Pasture In South‐Western China, L. Q. Wan, X. L. Li, H. W. Gao, F. He, J. R. Bai, F. Liu
IGC Proceedings (1997-2023)
No abstract provided.
Study On Ecological Restoration To Degenerated Leymus Chinensis Rasture, Zhijian Yan, Li Gao
Study On Ecological Restoration To Degenerated Leymus Chinensis Rasture, Zhijian Yan, Li Gao
IGC Proceedings (1997-2023)
No abstract provided.
Satellite-Based Phenology Analysis In Evaluating The Response Of Puerto Rico And The United States Virgin Islands' Tropical Forests To The 2017 Hurricanes, Melissa Collin
Cal Poly Humboldt theses and projects
The functionality of tropical forest ecosystems and their productivity is highly related to the timing of phenological events. Understanding forest responses to major climate events is crucial for predicting the potential impacts of climate change. This research utilized Landsat satellite data and ground-based Forest Inventory and Analysis (FIA) plot data to investigate the dynamics of Puerto Rico and the U.S. Virgin Islands’ (PRVI) tropical forests after two major hurricanes in 2017. Analyzing these two datasets allowed for validation of the remote sensing methodology with field data and for the investigation of whether this is an appropriate approach for estimating forest …
What Lies Beneath: Predicting Seagrass Below-Ground Biomass From Above-Ground Biomass, Environmental Conditions And Seagrass Community Composition, C. J. Collier, L. M. Langlois, Kathryn M. Mcmahon, J. Udy, M. Rasheed, E. Lawrence, A. B. Carter, M. W. Fraser, L. J. Mckenzie
What Lies Beneath: Predicting Seagrass Below-Ground Biomass From Above-Ground Biomass, Environmental Conditions And Seagrass Community Composition, C. J. Collier, L. M. Langlois, Kathryn M. Mcmahon, J. Udy, M. Rasheed, E. Lawrence, A. B. Carter, M. W. Fraser, L. J. Mckenzie
Research outputs 2014 to 2021
© 2020 Seagrass condition, resilience and ecosystem services are affected by the below-ground tissues (BGr) but these are rarely monitored. In this study we compiled historical data across northern Australia to investigate biomass allocation strategies in 13 tropical seagrass species. There was sufficient data to undertake statistical analysis for five species: Cymodocea serrulata, Halophila ovalis, Halodule uninervis, Thalassia hemprichii, and Zostera muelleri. The response of below-ground biomass (BGr) to above-ground biomass (AGr) and other environmental and seagrass community composition predictor variables were assessed using Generalized Linear Models. Environmental data included: region, season, sediment type, water depth, proximity to land-based sources …
Green Fractionation Of 2g And 3g Feedstocks For Ethanol Production: Advances, Incentives And Barriers, Behzad Satari, Amit Jaiswal
Green Fractionation Of 2g And 3g Feedstocks For Ethanol Production: Advances, Incentives And Barriers, Behzad Satari, Amit Jaiswal
Articles
Efficient release of fermentable sugars from the complex biomass structure such as second-generation or third-generation feedstocks by an appropriate enzymatic hydrolysis needs a prior biomass fractionation. This process facilitates the exposure of more cellulose and hemicelluloses for enzymatic hydrolysis. This review focused on ‘green fractionation’ of biomass by applying the principles of green chemistry for bioethanol production. Besides, the recent technological achievements in applying these principles for the fractionation have been discussed. For green fractionation, energy delivery systems are referred to as microwave and ultrasound. Besides, green cellulose solvents, biomass-derived solvents, and supercritical carbon dioxide play an important role in …
Biomass And Nutrient Accumulation By Dual-Purpose Hemp And Concurrent Soil Profile Water Depletion At Two Locations In Kansas In 2020, Kraig Roozeboom, Jason Griffin, Lucas Haag, Gerard Kluitenberg, Dorivar Ruiz Diaz, Michael Shelton, Tami Myers, Clint Wilson, Jared Petz, Matthew Nielsen, Andrew Euler
Biomass And Nutrient Accumulation By Dual-Purpose Hemp And Concurrent Soil Profile Water Depletion At Two Locations In Kansas In 2020, Kraig Roozeboom, Jason Griffin, Lucas Haag, Gerard Kluitenberg, Dorivar Ruiz Diaz, Michael Shelton, Tami Myers, Clint Wilson, Jared Petz, Matthew Nielsen, Andrew Euler
Kansas Agricultural Experiment Station Research Reports
Some crop producers are considering hemp as an alternative to the typical crops grown in the region. Hemp is viewed as a crop to potentially access new markets. Two of those potential markets are hemp grain and fiber. Little information is available for this region about production management for hemp intended for those markets. Experiments were planted in 2020 at Manhattan, Haysville, and Colby, KS, to characterize plant growth, nutrient uptake, and soil water depletion. Results illustrated typical biomass and nutrient uptake patterns. Half of the total biomass was accumulated by 2,200 growing degree days (GDD), but accumulation continued until …
The Gene Expression Patterns Of Phanerochaete Chrysosporium And Trametes Versicolor On Diverse Lignocellulosic Feedstocks, Noor Osama Alabbasi
The Gene Expression Patterns Of Phanerochaete Chrysosporium And Trametes Versicolor On Diverse Lignocellulosic Feedstocks, Noor Osama Alabbasi
Masters Theses
Plant biomass is considered to be an important future starting material for fuels and chemicals, thereby decreasing our reliance on fossil fuels. While direct combustion continues to be a source of fuel, the generation of liquid fuels from plant biomass for transportation has proven to be challenging. Among the limiting factors for conversion of this material to biofuels is the recalcitrant nature of lignocellulose, the primary component of non-starch plant biomass. A strategy to overcome this dilemma is to directly or indirectly use the enzymes from white-rot fungi, which have evolved a unique ability to deconstruct lignocellulose. However, the biochemical …
Evaluation Of Warm Season Annual Forages For Livestock: Biomass And Cost Of Production, J. K. Farney, M. E. Reeb, Z. T. Buessing, K. Malone, G. F. Sassenrath
Evaluation Of Warm Season Annual Forages For Livestock: Biomass And Cost Of Production, J. K. Farney, M. E. Reeb, Z. T. Buessing, K. Malone, G. F. Sassenrath
Kansas Agricultural Experiment Station Research Reports
Seventeen warm season annual forage options were evaluated as livestock feed to be grazed, hayed, ensiled, or left as a cover crop. Treatments were planted in mid-May and terminated in late September with one harvest for silage, two hay cuttings, and three grazing rotations. One additional treatment was unharvested to serve as a cover crop. Biomass production and cost to produce final outputs were determined. Even with restricted rainfall during the summer months in 2020, the growth for the chosen forage options was at least 1,500 lb of dry matter (DM) per acre, with the exception of sunflowers that had …
Adenosine Triphosphate (Atp) As A Metric Of Microbial Biomass In Aquatic Systems: New Simplified Protocols, Laboratory Validation, And A Reflection On Data From The Literature, Alexander B. Bochdansky, Alison N. Stouffer, Nyjaee N. Washington
Adenosine Triphosphate (Atp) As A Metric Of Microbial Biomass In Aquatic Systems: New Simplified Protocols, Laboratory Validation, And A Reflection On Data From The Literature, Alexander B. Bochdansky, Alison N. Stouffer, Nyjaee N. Washington
OES Faculty Publications
The use of adenosine triphosphate (ATP) as a universal biomass indicator is built on the premise that ATP concentration tracks biomass rather than the physiological condition of cells. However, reportedly high variability in ATP in response to environmental conditions is the main reason the method has not found widespread application. To test possible sources of this variability, we used the diatom Thalassiosira weissflogii as a model and manipulated its growth rate through nutrient limitation and through exposure to three different temperatures (15°C, 20°C, and 25°C). We simplified the ATP protocol with hot‐water or chemical extraction methods, modified a commercially available …