Open Access. Powered by Scholars. Published by Universities.®
- Institution
-
- University of Kentucky (9522)
- University of Nebraska - Lincoln (1406)
- University of South Florida (625)
- Utah State University (605)
- University of Texas Rio Grande Valley (437)
-
- Old Dominion University (339)
- University of Arkansas, Fayetteville (295)
- Department of Primary Industries and Regional Development, Western Australia (267)
- Western Kentucky University (174)
- University of Nevada, Las Vegas (142)
- Portland State University (140)
- Boise State University (129)
- University of New Hampshire (128)
- Montclair State University (126)
- University of South Carolina (114)
- City University of New York (CUNY) (107)
- TÜBİTAK (107)
- Louisiana State University (106)
- Western Michigan University (98)
- South Dakota State University (93)
- University of Dar es Salaam (86)
- Missouri University of Science and Technology (85)
- University of Colorado Law School (84)
- The University of Southern Mississippi (79)
- University of North Dakota (74)
- Wright State University (71)
- University of Texas at El Paso (68)
- Chapman University (62)
- Universitas Padjadjaran (61)
- China Coal Technology and Engineering Group (CCTEG) (60)
- Keyword
-
- Grazing (393)
- Nitrogen (272)
- Climate change (237)
- Alfalfa (203)
- Soil (187)
-
- Grassland (174)
- Biodiversity (168)
- Sheep (167)
- Forage (164)
- Phosphorus (164)
- Western Australia (164)
- Pasture (159)
- Cattle (156)
- Water quality (155)
- Digestibility (146)
- Yield (141)
- Forage quality (137)
- Silage (137)
- Sustainability (126)
- Remote sensing (122)
- Legumes (120)
- Nutritive value (120)
- Groundwater (119)
- Hydrology (118)
- Geology (115)
- Stocking rate (115)
- Trifolium repens (113)
- Intake (112)
- Management (112)
- Drought (109)
- Publication Year
- Publication
-
- IGC Proceedings (1977-2023) (9261)
- United States Geological Survey: Staff Publications (519)
- School of Earth, Environmental, & Marine Sciences Faculty Publications (372)
- International Journal of Speleology (339)
- Memorandum (315)
-
- Theses and Dissertations (252)
- Faculty Publications (207)
- Department of Earth and Atmospheric Sciences: Faculty Publications (184)
- OES Faculty Publications (158)
- Electronic Theses and Dissertations (149)
- Graduate Theses and Dissertations (146)
- All Graduate Theses and Dissertations, Spring 1920 to Summer 2023 (120)
- School of Natural Resources: Dissertations, Theses, and Student Research (118)
- USF Tampa Graduate Theses and Dissertations (115)
- Bulletin of the University of Nebraska State Museum (1924–2023) (112)
- Masters Theses (109)
- Turkish Journal of Earth Sciences (107)
- School of Geosciences Faculty and Staff Publications (98)
- Tanzania Journal of Science (86)
- Department of Earth and Environmental Studies Faculty Scholarship and Creative Works (84)
- Geosciences Faculty Publications and Presentations (80)
- OES Theses and Dissertations (77)
- United States Geological Survey: Publications (69)
- Open Access Theses & Dissertations (65)
- Master's Theses (64)
- Masters Theses & Specialist Projects (64)
- Journal of the Arkansas Academy of Science (63)
- United States Environmental Protection Agency: Publications (63)
- Jurnal Kultivasi (61)
- Coal Geology & Exploration (60)
- Publication Type
- File Type
Articles 8551 - 8580 of 17826
Full-Text Articles in Entire DC Network
Isolation And Characterization Of Polymorphic Microsatellite Loci In Achnatherum Inebrians And A. Sibiricum, Na Chen, Chunjie Li
Isolation And Characterization Of Polymorphic Microsatellite Loci In Achnatherum Inebrians And A. Sibiricum, Na Chen, Chunjie Li
IGC Proceedings (1977-2023)
No abstract provided.
Decision Analysis To Evaluate Control Strategies For Crested Wheatgrass In Grasslands National Park Of Canada, John F. Wilmshurst, L. Frid
Decision Analysis To Evaluate Control Strategies For Crested Wheatgrass In Grasslands National Park Of Canada, John F. Wilmshurst, L. Frid
IGC Proceedings (1977-2023)
No abstract provided.
Aminopyralid: An Innovative Herbicide Designed And Developed For Invasive Plant Management, Byron B. Sleugh, Louise Brinkworth, Mary Halstvedt, Chris Love, Maw‐Sheng Lee, Vanelle Peterson, Robert A. Masters
Aminopyralid: An Innovative Herbicide Designed And Developed For Invasive Plant Management, Byron B. Sleugh, Louise Brinkworth, Mary Halstvedt, Chris Love, Maw‐Sheng Lee, Vanelle Peterson, Robert A. Masters
IGC Proceedings (1977-2023)
No abstract provided.
Chondrilla Juncea L.: Post‐Fire Invasiveness In Artemisia Tridentata Communities Of Western North America, Nancy L. Shaw, A. L. Hild, C. L. Kinter
Chondrilla Juncea L.: Post‐Fire Invasiveness In Artemisia Tridentata Communities Of Western North America, Nancy L. Shaw, A. L. Hild, C. L. Kinter
IGC Proceedings (1977-2023)
No abstract provided.
Integrated Research To Reduce Poisoning From Oxytropis And Astragalus Spp In U.S.A., Michael H. Ralphs, B. L. Stegelmeier, K. E. Panter, Dale R. Gardner, J. A. Pfister, S. E. Lee, L. F. James, K. C. Mcdaniel, Rebecca Creamer, J. R. Valdez, D. R. Child
Integrated Research To Reduce Poisoning From Oxytropis And Astragalus Spp In U.S.A., Michael H. Ralphs, B. L. Stegelmeier, K. E. Panter, Dale R. Gardner, J. A. Pfister, S. E. Lee, L. F. James, K. C. Mcdaniel, Rebecca Creamer, J. R. Valdez, D. R. Child
IGC Proceedings (1977-2023)
No abstract provided.
The Invasive Potential Of Elaeagnus Angustifolia In The Natural Pastures Of The Rio Negro Valley, Argentina, María G. Klich, Osvaldo A. Fernández, Focko Weberling
The Invasive Potential Of Elaeagnus Angustifolia In The Natural Pastures Of The Rio Negro Valley, Argentina, María G. Klich, Osvaldo A. Fernández, Focko Weberling
IGC Proceedings (1977-2023)
No abstract provided.
Modelling The Ecology Of Grasshopper (Orthoptera : Acrididae) Pest Species In The Grasslands Of Western Canada, Owen Olfert, R. M. Weiss
Modelling The Ecology Of Grasshopper (Orthoptera : Acrididae) Pest Species In The Grasslands Of Western Canada, Owen Olfert, R. M. Weiss
IGC Proceedings (1977-2023)
No abstract provided.
Evaluation Of Herbicide Tolerance In Lotononis Bainesii Baker Cv. Inia Glencoe, A. Rios, D. Real
Evaluation Of Herbicide Tolerance In Lotononis Bainesii Baker Cv. Inia Glencoe, A. Rios, D. Real
IGC Proceedings (1977-2023)
No abstract provided.
Competition In Serrated Tussock Invaded Australian Native Pasture, A. T. Simmons, Warwick B. Badgery, David R. Kemp, David W. Michalk
Competition In Serrated Tussock Invaded Australian Native Pasture, A. T. Simmons, Warwick B. Badgery, David R. Kemp, David W. Michalk
IGC Proceedings (1977-2023)
No abstract provided.
Plant Invasions In Western North America: Implications For Temperate Grasslands Worldwide, Richard N. Mack
Plant Invasions In Western North America: Implications For Temperate Grasslands Worldwide, Richard N. Mack
IGC Proceedings (1977-2023)
No abstract provided.
Role Of Herbicides In Invasive Plant Management Systems, Robert A. Masters, Byron B. Sleugh
Role Of Herbicides In Invasive Plant Management Systems, Robert A. Masters, Byron B. Sleugh
IGC Proceedings (1977-2023)
No abstract provided.
Biological Control And Integrated Rangeland Weed Management, Linda M. Wilson
Biological Control And Integrated Rangeland Weed Management, Linda M. Wilson
IGC Proceedings (1977-2023)
No abstract provided.
Invasive Grassland‐Rangeland Plants Of China And The United States Of America, John H. Brock, Jinguo Wu
Invasive Grassland‐Rangeland Plants Of China And The United States Of America, John H. Brock, Jinguo Wu
IGC Proceedings (1977-2023)
No abstract provided.
Forage Quality Of Five Important Grasses At Sar‐Aliabad Summer Rangelands In Golestan Province, Iran, S. A. Hosseini, M. Mesdaghi
Forage Quality Of Five Important Grasses At Sar‐Aliabad Summer Rangelands In Golestan Province, Iran, S. A. Hosseini, M. Mesdaghi
IGC Proceedings (1977-2023)
No abstract provided.
Comparison Of The Acid Detergent Lignin (Adl) Among Seven Populations Of Lespedeza Davurica, Xiang Zhao, Kuanhu Dong, Yi Xing
Comparison Of The Acid Detergent Lignin (Adl) Among Seven Populations Of Lespedeza Davurica, Xiang Zhao, Kuanhu Dong, Yi Xing
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Cultivar, Row Spacing And Seeding Rate On Alfalfa Hay Yield, Zehong Zhang, Fuyuan Liu, Yunwen Wang, Tiejun Zhang
Effect Of Cultivar, Row Spacing And Seeding Rate On Alfalfa Hay Yield, Zehong Zhang, Fuyuan Liu, Yunwen Wang, Tiejun Zhang
IGC Proceedings (1977-2023)
No abstract provided.
Net Photosynthesis Rate And Transpiration Rate Of Algonquin In Different Growth Years, Lijun Xu, B. Wang, Q. Z. Sun
Net Photosynthesis Rate And Transpiration Rate Of Algonquin In Different Growth Years, Lijun Xu, B. Wang, Q. Z. Sun
IGC Proceedings (1977-2023)
No abstract provided.
Effects Of Additives On The Alfalfa Fibrous Residues Silage Quality, Yanlin Xue, Z. Yu, C. S. Bai, Q. F. Xu
Effects Of Additives On The Alfalfa Fibrous Residues Silage Quality, Yanlin Xue, Z. Yu, C. S. Bai, Q. F. Xu
IGC Proceedings (1977-2023)
No abstract provided.
The Influence Of The Grassland Management On Fodder Quality, V. Vintu, C. Samuil, T. Iacob, Alina Trofin, C. I. Popovici
The Influence Of The Grassland Management On Fodder Quality, V. Vintu, C. Samuil, T. Iacob, Alina Trofin, C. I. Popovici
IGC Proceedings (1977-2023)
No abstract provided.
Changes In Herbage Quality Of Cocksfoot, Prairie Grass And Tall Fescue During Regrowth, Lydia R. Turner, J. R. Roche, Danny J. Donaghy, Richard P. Rawnsley
Changes In Herbage Quality Of Cocksfoot, Prairie Grass And Tall Fescue During Regrowth, Lydia R. Turner, J. R. Roche, Danny J. Donaghy, Richard P. Rawnsley
IGC Proceedings (1977-2023)
No abstract provided.
Effect Of Cutting Frequency On Silage Making From Napier Grasses In Thailand, Sayan Tudsri, Suwance Ketkumalat, Sunantha Jantakool, Sunee Sintu
Effect Of Cutting Frequency On Silage Making From Napier Grasses In Thailand, Sayan Tudsri, Suwance Ketkumalat, Sunantha Jantakool, Sunee Sintu
IGC Proceedings (1977-2023)
No abstract provided.
The Dynamic Changing Of Soluble Sugar In Different Alfalfa Varieties, Ya Tao, Q. Zh. Sun
The Dynamic Changing Of Soluble Sugar In Different Alfalfa Varieties, Ya Tao, Q. Zh. Sun
IGC Proceedings (1977-2023)
No abstract provided.
Beyond Streamflow: Call For A National Data Repository Of Streamflow Presence For Streams And Rivers In The United States, Kendra E. Kaiser
Beyond Streamflow: Call For A National Data Repository Of Streamflow Presence For Streams And Rivers In The United States, Kendra E. Kaiser
Geosciences Faculty Publications and Presentations
Observations of the presence or absence of surface water in streams are useful for characterizing streamflow permanence, which includes the frequency, duration, and spatial extent of surface flow in streams and rivers. Such data are particularly valuable for headwater streams, which comprise the vast majority of channel length in stream networks, are often non-perennial, and are frequently the most data deficient. Datasets of surface water presence exist across multiple data collection groups in the United States but are not well aligned for easy integration. Given the value of these data, a unified approach for organizing information on surface water presence …
College Of Natural Sciences Newsletter, June 2021, College Of Natural Sciences
College Of Natural Sciences Newsletter, June 2021, College Of Natural Sciences
College of Natural Sciences Newsletters and Reports
Volume 2, Issue 6.
Page 1 Dean's Message
Page 2-6 Remembering the Life of Dr. Pengra and Celebrating His legacy for Entire Generations to Come.
Arsenic In Petroleum-Contaminated Groundwater Near Bemidji, Minnesota Is Predicted To Persist For Centuries, Brady A. Ziegler, G. H. Crystal Ng, I. M. Cozzarelli, A. J. Dunshee, M. E. Schreiber
Arsenic In Petroleum-Contaminated Groundwater Near Bemidji, Minnesota Is Predicted To Persist For Centuries, Brady A. Ziegler, G. H. Crystal Ng, I. M. Cozzarelli, A. J. Dunshee, M. E. Schreiber
Earth and Environmental Geosciences Faculty Research
We used a reactive transport model to investigate the cycling of geogenic arsenic (As) in a petroleum-contaminated aquifer. We simulated As mobilization and sequestration using surface complexation reactions with Fe(OH)3 during petroleum biodegradation coupled with Fe-reduction. Model results predict that dissolved As in the plume will exceed the U.S. and EU 10 µg/L drinking water standard for ~400 years. Non-volatile dissolved organic carbon (NVDOC) in the model promotes As mobilization by exerting oxygen demand, which maintains anoxic conditions in the aquifer. After NVDOC degrades, As re-associates with Fe(OH)3 as oxygenated conditions are reestablished. Over the 400-year simulation, As …
Four Decades Of Understanding Martian Geomorphology: Revisiting Baker's "The Geomorphology Of Mars", Anshuman Bhardwaj, Lydia Sam, Saeideh Gharehchahi
Four Decades Of Understanding Martian Geomorphology: Revisiting Baker's "The Geomorphology Of Mars", Anshuman Bhardwaj, Lydia Sam, Saeideh Gharehchahi
Research, Publications & Creative Work
Owing to multiple successful orbiter and rover missions in the past two and half decades, our understanding of the Martian atmosphere, terrain, and subsurface has continuously evolved. This prompts the need to revisit the first holistic review of Martian geomorphology based on useful images from Viking Mission orbiters, authored by Prof. Victor R. Baker. Several of the remote sensing-based interpretations and recommendations in Baker’s (1981) paper are as valid even today as they were four decades back. With an unprecedented focus on Mars exploration in the coming decades, it is important to briefly revisit the advances and prospects in Martian …
Precambrian Basement Influence On The Deposition Of The Upper Ordovician Utica Shale Play In East Central Ohio, William Kaleb Kirk
Precambrian Basement Influence On The Deposition Of The Upper Ordovician Utica Shale Play In East Central Ohio, William Kaleb Kirk
Electronic Theses and Dissertations
The Ordovician Utica shale play is a major oil and gas producing interval in the Appalachian Basin. The Utica shale play can be found as far as New York and Canada and to the south into Indiana and Kentucky. The play consists of the Trenton/Lexington limestones, Point Pleasant Formation, and Utica shale. The shallow marine fossiliferous limestones of the Trenton and shallow marine shaley limestones of the Lexington are overlain by an interbedded shale and limestone of the Point Pleasant Formation, which grade into the deeper marine interbedded shales and limey shales of the Utica. These formations are highly heterogeneous, …
Upgrading Biogas Using Eburru Zeolitic Rocks And Other Adsorbent Materials To Remove Carbon Dioxide And Hydrogen Sulphide, James K Mbugua, Joseph M Mwaniki, Damaris M Nduta, Francis B Mwaura
Upgrading Biogas Using Eburru Zeolitic Rocks And Other Adsorbent Materials To Remove Carbon Dioxide And Hydrogen Sulphide, James K Mbugua, Joseph M Mwaniki, Damaris M Nduta, Francis B Mwaura
Tanzania Journal of Science
The trace amounts of carbon dioxide and hydrogen sulfide in raw biogas lower its calorific value,cause corrosion and make it hard to compress biogas into the cylinder. Raw biogas was obtainedfrom anaerobic digestion of cow dung and market wastes. The gas was stored in tubes or urine bagbefore upgrading. Natural zeolite rocks, maize cobs, steel wire, desulphurizer, and worn-out tyreswere used as the upgrade materials. The composition of biogas was recorded before and afterupgrading using a GP180 portable biogas analyzer from Henan, China. The measured level of rawbiogas was 0.0227% H2S, >20% CO2 and 52-56% CH4. The most efficient upgrade …
Larvicidal Potency Of Dioscorea Sansibarensis Leaf Extract Against Vector Mosquitoes: Anopheles Gambiae S.S. And Culex Quinquefasciatus, Anitha Philbert
Larvicidal Potency Of Dioscorea Sansibarensis Leaf Extract Against Vector Mosquitoes: Anopheles Gambiae S.S. And Culex Quinquefasciatus, Anitha Philbert
Tanzania Journal of Science
Mosquitoes are responsible for transmission of illnesses of public health importance including malaria, lymphatic filariasis, dengue, chikungunya, and many other diseases caused by viruses. Vector control using synthetic insecticides has been the cornerstone for management of vector-borne diseases. However, the chemical based interventions have not been sustainable due to emergency of resistance against insecticides among disease vectors. Plant based mosquitocidal products can be potential alternative tools in vector control. Therefore, the present study aimed at exploring the larvicidal properties of Dioscorea sansibarensis leaf extract against malaria and lymphatic filariasis vectors; Anopheles gambiae s.s. and Culex quinquefasciatus. The larvicidal activities of …
Determination Of 40k, 226ra And 228ra Concentrations With Dose Rates In Crayfish From Ode Omi River And Radiological Implications To The Consumers, Olusegun Sowole, Qasim Abolanle Adeniji, Muyideen O Olagunju
Determination Of 40k, 226ra And 228ra Concentrations With Dose Rates In Crayfish From Ode Omi River And Radiological Implications To The Consumers, Olusegun Sowole, Qasim Abolanle Adeniji, Muyideen O Olagunju
Tanzania Journal of Science
Natural radionuclides such as 40K, 226Ra and 228Ra are found naturally in water and sediments of rivers, likewise in soils. They are transferred to aquatic animals through ingestion. Radioactivity concentrations and dose rates of 40K, 226Ra and 228Ra in crayfish species from Ode Omi River in coastal region, Ogun State Southwest of Nigeria were determined by gamma spectrometry using NaI (TI) detector coupled with a pre-amplifier base to a multiple channel analyzer (MCA). 15 samples of crayfish were collected. Cherax tenuimanus had the highest mean concentration and dose rate of values 106.87 ± 9.11 Bq kg–1 and 0.00960 mGy hr–1 …