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Dry Matter Production And Partition Of Two Palatable Karoo Shrubs, P. J. Malan, Hennie A. Snyman Feb 2021

Dry Matter Production And Partition Of Two Palatable Karoo Shrubs, P. J. Malan, Hennie A. Snyman

IGC Proceedings (1977-2023)

No abstract provided.


Rooting Of Karoo Shrub Cuttings, P. J. Malan, Hennie A. Snyman Feb 2021

Rooting Of Karoo Shrub Cuttings, P. J. Malan, Hennie A. Snyman

IGC Proceedings (1977-2023)

No abstract provided.


High-Precision U-Pb Age Constraints On The Permian Floral Turnovers, Paleoclimate Change, And Tectonics Of The North China Block, Qiong Wu, Jahandar Ramezani, Hua Zhang, Jun Wang, Wan Yang, For Full List Of Authors, See Publisher's Website. Feb 2021

High-Precision U-Pb Age Constraints On The Permian Floral Turnovers, Paleoclimate Change, And Tectonics Of The North China Block, Qiong Wu, Jahandar Ramezani, Hua Zhang, Jun Wang, Wan Yang, For Full List Of Authors, See Publisher's Website.

Geosciences and Geological and Petroleum Engineering Faculty Research & Creative Works

The Permian marine-terrestrial system of the North China block provides an exceptional window into the evolution of northern temperate ecosystems during the critical transition from icehouse to greenhouse following the late Paleozoic ice age (LPIA). Despite many studies on its rich hydrocarbon reserves and climate-sensitive fossil flora, uncertain temporal constraints and correlations have hampered a thorough understanding of the records of geologic, biologic, and climatic change from the North China block. We present a new chronostratigraphy based on high-precision U-Pb chemical abrasion-isotope dilution-thermal ionization mass spectrometry (CA-ID-TIMS) geochronology of tuffs from a near-complete latest Carboniferous-Permian succession in North China. The …


Potentialities Evaluation And Sylvo‐Pastoral Improvement Test In A Semi Arid Zone In The Southwest Of Algeria, D. Bouderba, Malika Dahmani‐Megrerouche Feb 2021

Potentialities Evaluation And Sylvo‐Pastoral Improvement Test In A Semi Arid Zone In The Southwest Of Algeria, D. Bouderba, Malika Dahmani‐Megrerouche

IGC Proceedings (1977-2023)

No abstract provided.


What Caused The Degradation In 20 Years Of Elm (Ulmus Pumila L.) Woodland In China, Li Liu, Tingcheng Zhu Feb 2021

What Caused The Degradation In 20 Years Of Elm (Ulmus Pumila L.) Woodland In China, Li Liu, Tingcheng Zhu

IGC Proceedings (1977-2023)

No abstract provided.


Energy Analysis For The Sustainability Of An Agro‐Ecosystem In Ningxia Province, China, Huilong Lin, Ruijun Long Feb 2021

Energy Analysis For The Sustainability Of An Agro‐Ecosystem In Ningxia Province, China, Huilong Lin, Ruijun Long

IGC Proceedings (1977-2023)

No abstract provided.


Forage Crop Introduction In Chifeng Areas, Central East Of Inner Mongolia, China, Qingfeng Li Feb 2021

Forage Crop Introduction In Chifeng Areas, Central East Of Inner Mongolia, China, Qingfeng Li

IGC Proceedings (1977-2023)

No abstract provided.


Environmental Efficiency In Mixed Crop Livestock Farming In India, K. A. C. H. A. Kothalawala, S. Kumar, H. Kothalawala Feb 2021

Environmental Efficiency In Mixed Crop Livestock Farming In India, K. A. C. H. A. Kothalawala, S. Kumar, H. Kothalawala

IGC Proceedings (1977-2023)

No abstract provided.


Adaptability Of Dwarf Napiergrass To Smallholders Of Beef Cows In Southern Kyushu, Japan, Yasuyuki Ishii, A. Wadi, R. F. Utamy, Y. Wang, S. Fukagawa, Sachiko Idota, Kiichi Fukuyama Feb 2021

Adaptability Of Dwarf Napiergrass To Smallholders Of Beef Cows In Southern Kyushu, Japan, Yasuyuki Ishii, A. Wadi, R. F. Utamy, Y. Wang, S. Fukagawa, Sachiko Idota, Kiichi Fukuyama

IGC Proceedings (1977-2023)

No abstract provided.


Agroforestry And Its Role In Soil Conservation And Erosion Protection, Atena Kabir, Y. Hematzade, H. Barani Feb 2021

Agroforestry And Its Role In Soil Conservation And Erosion Protection, Atena Kabir, Y. Hematzade, H. Barani

IGC Proceedings (1977-2023)

No abstract provided.


Dual Purpose, Small Grain Species For Southern Brazil, Rob S. Fontaneli, H. P. Dos Santos, E. Caierãol, A. Do Nascimento Junior Feb 2021

Dual Purpose, Small Grain Species For Southern Brazil, Rob S. Fontaneli, H. P. Dos Santos, E. Caierãol, A. Do Nascimento Junior

IGC Proceedings (1977-2023)

No abstract provided.


Effect Of The Use Of Mulberry Forage (Morus Alba) On The Performance Traits Of Swine Livestock, R. E. Almaguel, J. Ly, Carmen María Mederos, Elizabeth Cruz, G. Martín Feb 2021

Effect Of The Use Of Mulberry Forage (Morus Alba) On The Performance Traits Of Swine Livestock, R. E. Almaguel, J. Ly, Carmen María Mederos, Elizabeth Cruz, G. Martín

IGC Proceedings (1977-2023)

No abstract provided.


Effects Of Rare Earth On The Growth Characteristics And Productivity Of Rice, S. N. Hur, C. S. Park, B. Zhang, J. K. Ryu, H. S. Park Feb 2021

Effects Of Rare Earth On The Growth Characteristics And Productivity Of Rice, S. N. Hur, C. S. Park, B. Zhang, J. K. Ryu, H. S. Park

IGC Proceedings (1977-2023)

No abstract provided.


Effect Of Digested Effluent Of Manure On The Growth And Yield Of Dwarf Napiergrass In Southern Kyushu, Japan, H. Hasyim, Yasuyuki Ishii, A. Wadi, R. F. Utamy, Y. Wang, Sachiko Idota, Kiichi Fukuyama Feb 2021

Effect Of Digested Effluent Of Manure On The Growth And Yield Of Dwarf Napiergrass In Southern Kyushu, Japan, H. Hasyim, Yasuyuki Ishii, A. Wadi, R. F. Utamy, Y. Wang, Sachiko Idota, Kiichi Fukuyama

IGC Proceedings (1977-2023)

No abstract provided.


Environmental Drivers Of Mesophotic Echinoderm Assemblages Of The Southeastern Pacific Ocean, Ariadna Mecho, Boris Dewitte, Javier Sellanes, Simon Van Gennip, Erin E. Easton, Joao B. Gusmao Feb 2021

Environmental Drivers Of Mesophotic Echinoderm Assemblages Of The Southeastern Pacific Ocean, Ariadna Mecho, Boris Dewitte, Javier Sellanes, Simon Van Gennip, Erin E. Easton, Joao B. Gusmao

School of Earth, Environmental, & Marine Sciences Faculty Publications

Mesophotic ecosystems (50–400 m depth) of the southeastern Pacific have rarely been studied because of the logistical challenges in sampling across this remote zone. This study assessed how oxygen concentrations and other environmental predictors explain variation in echinoderm assemblages at these mesophotic systems, where this group is among the predominant fauna. We compiled data on echinoderm taxa at 91 sampling stations, from historical and recent surveys (between 1950 and 2019), covering a longitudinal gradient of approximately 3,700 km along with the Nazca, Salas y Gómez, and Juan Fernández ridges. Uni- and multivariate model-based tools were applied to analyze the patterns …


A Study Into Inter‐Planting Fruit Trees And Grass In A Frigid Zone, G. Q. Han, Y. X. Zhang, W. B. Han, F. L. Tang Feb 2021

A Study Into Inter‐Planting Fruit Trees And Grass In A Frigid Zone, G. Q. Han, Y. X. Zhang, W. B. Han, F. L. Tang

IGC Proceedings (1977-2023)

No abstract provided.


Management As Factor Of Quali‐Quantitative Changes In Rangeland Communities North Western Santa Fe Province, Argentine, Guillermo Chiossone Feb 2021

Management As Factor Of Quali‐Quantitative Changes In Rangeland Communities North Western Santa Fe Province, Argentine, Guillermo Chiossone

IGC Proceedings (1977-2023)

No abstract provided.


Forage Productivity Of Flemingia Macrophylla Under Different Planting Density, Defoliation Management And Phosphorus Application In Chitwan, Nepal, Ram Prasad Ghimire, Naba R. Devkota, Kishore Prasad Kayastha Feb 2021

Forage Productivity Of Flemingia Macrophylla Under Different Planting Density, Defoliation Management And Phosphorus Application In Chitwan, Nepal, Ram Prasad Ghimire, Naba R. Devkota, Kishore Prasad Kayastha

IGC Proceedings (1977-2023)

No abstract provided.


Diet Authentication In Lamb Meat Using Spectroscopic Methods, P. H. M. Dian, D. Andueza, J. Ballet, R. Jailler, M. Jestin, J. Pourrat, I. N. Prado, S. Prache Feb 2021

Diet Authentication In Lamb Meat Using Spectroscopic Methods, P. H. M. Dian, D. Andueza, J. Ballet, R. Jailler, M. Jestin, J. Pourrat, I. N. Prado, S. Prache

IGC Proceedings (1977-2023)

No abstract provided.


Vicia Species, An Alternative Forage Crop In Semiarid Regions Of Mexico, Miguel A. Flores‐O., U. Figueroa‐V., F. Echavarría‐Ch. Feb 2021

Vicia Species, An Alternative Forage Crop In Semiarid Regions Of Mexico, Miguel A. Flores‐O., U. Figueroa‐V., F. Echavarría‐Ch.

IGC Proceedings (1977-2023)

No abstract provided.


Productivity Of Designed Silvopastoral Systems In Five Agro‐Ecological Regions Of India, M. M. Roy, B. Ekambaram, K. S. Dutta, S. M. Taley, P. Tripathi Feb 2021

Productivity Of Designed Silvopastoral Systems In Five Agro‐Ecological Regions Of India, M. M. Roy, B. Ekambaram, K. S. Dutta, S. M. Taley, P. Tripathi

IGC Proceedings (1977-2023)

No abstract provided.


The Innovations Of Contemporary Grassland Law And Its Differences From Nomadic Laws In Ming Dynasty, Chao Di, Yan Sun Feb 2021

The Innovations Of Contemporary Grassland Law And Its Differences From Nomadic Laws In Ming Dynasty, Chao Di, Yan Sun

IGC Proceedings (1977-2023)

No abstract provided.


New Magnetostratigraphic Insights From Iceberg Alley On The Rhythms Of Antarctic Climate During The Plio-Pleistocene, Brendan T. Reilly, Lisa Tauxe, Stefanie Brachfeld, Maureen Raymo, Ian Bailey, Sidney Hemming, Michael E. Weber, Trevor Williams, Marga Garcia, Michelle Guitard, Yasmina M. Martos, Lara F. Pérez, Xufeng Zheng, Linda Armbrecht, Fabricio G. Cardillo, Zhiheng Du, Gerson Fauth, Anna Glueder, Marcus Gutjahr, Iván Hernández-Almeida, Frida S. Hoem, Ji Hwan Hwang, Mutsumi Iizuka, Yuji Kato, Bridget Kenlee, Suzanne O’Connell, Victoria Peck, Thomas A. Ronge, Osamu Seki, Shubham Tripathi, Jonathan Warnock Feb 2021

New Magnetostratigraphic Insights From Iceberg Alley On The Rhythms Of Antarctic Climate During The Plio-Pleistocene, Brendan T. Reilly, Lisa Tauxe, Stefanie Brachfeld, Maureen Raymo, Ian Bailey, Sidney Hemming, Michael E. Weber, Trevor Williams, Marga Garcia, Michelle Guitard, Yasmina M. Martos, Lara F. Pérez, Xufeng Zheng, Linda Armbrecht, Fabricio G. Cardillo, Zhiheng Du, Gerson Fauth, Anna Glueder, Marcus Gutjahr, Iván Hernández-Almeida, Frida S. Hoem, Ji Hwan Hwang, Mutsumi Iizuka, Yuji Kato, Bridget Kenlee, Suzanne O’Connell, Victoria Peck, Thomas A. Ronge, Osamu Seki, Shubham Tripathi, Jonathan Warnock

Department of Earth and Environmental Studies Faculty Scholarship and Creative Works

International Ocean Discovery Program (IODP) Expedition 382 in the Scotia Sea’s Iceberg Alley recovered among the most continuous and highest resolution stratigraphic records in the Southern Ocean near Antarctica spanning the last 3.3 Myr. Sites drilled in Dove Basin (U1536/U1537) have well-resolved magnetostratigraphy and a strong imprint of orbital forcing in their lithostratigraphy. All magnetic reversals of the last 3.3 Myr are identified, providing a robust age model independent of orbital tuning. During the Pleistocene, alternation of terrigenous versus diatomaceous facies shows power in the eccentricity and obliquity frequencies comparable to the amplitude modulation of benthic δ18O records. …


Identifying Nitrogen Source And Seasonal Variation In A Black Mangrove (Avicennia Germinans) Communityof The South Texas Coast, Ashley Elizabeth Murphy, Carlos E. Cintra-Buenrostro, Alejandro Fierro-Cabo Feb 2021

Identifying Nitrogen Source And Seasonal Variation In A Black Mangrove (Avicennia Germinans) Communityof The South Texas Coast, Ashley Elizabeth Murphy, Carlos E. Cintra-Buenrostro, Alejandro Fierro-Cabo

School of Earth, Environmental, & Marine Sciences Faculty Publications

Black mangrove (Avicennia germinans) stands in south Texas grow in association with other autotrophic organisms including herbaceous halophytes and cyanobacterial mats. Despite the relevant ecosystem services provided by this coastal plant community, limited information exists on its functioning, in particular as it pertains to nutrient dynamics, namely nitrogen (N). Nitrogen stable isotopes were used to assess potential N sources for plant growth in this community. Plant tissue (leaves), cyanobacteria, and sediment were sampled once every season for one year. Total N in A. germinans (2.6 %) and associated saltwort (Batis maritima) (2.1 %) was higher than in cyanobacteria (0.6 %), …


Influence Of Land Use Intensity And Management On Arbuscular Mycorrhizal Fungi-Avocado Symbiosis, Pushpa Soti, Bulent Toprak, Nina De La Rosa, Krish Jayachandran Feb 2021

Influence Of Land Use Intensity And Management On Arbuscular Mycorrhizal Fungi-Avocado Symbiosis, Pushpa Soti, Bulent Toprak, Nina De La Rosa, Krish Jayachandran

School of Earth, Environmental, & Marine Sciences Faculty Publications

This study was done to assess the effect of soil disturbance on arbuscular mycorrhizal fungi spore abundance and root colonization in avocado (Persea americana Mill.). Rhizosphere soil and root samples of avocado were collected from different farms in south Florida and analyzed for degree of mycorrhizal colonization in roots, spore density and diversity in soil along with soil characteristics. There was significant difference in the soil characteristics among the different farms. Similarly, there was a significant difference in the degree of mycorrhizal colonization in the roots and the arbuscular mycorrhizal fungi spore morphotypes among different land use and management practices. …


Frozen In Time: A Numerical Modeling Approach To The Study Of Ice Bearing Planetesimals Through Carbonaceous Chondrites, Jasmine M. Bayron Feb 2021

Frozen In Time: A Numerical Modeling Approach To The Study Of Ice Bearing Planetesimals Through Carbonaceous Chondrites, Jasmine M. Bayron

Dissertations, Theses, and Capstone Projects

Icy planetesimals are significant objects of study for meteoritics, planetary science, and astrobiology due to their connections to the origins of life and liquid water on Earth. An existing closed system aqueous alteration model was adapted to simulate several scenarios involving early Solar System geologic processes occurring in an icy planetesimal interior. The model described in this work has been developed not only to test the validity of constraints currently thought to apply to CM1 parent bodies, but to directly compare the implications of these constraints for the isotopic composition and the modal mineralogy of carbonaceous chondrites. Isotopic ratios of …


Growth Characteristics And Productivity Of A New Cold‐Tolerant Italian Ryegrass (Lolium Multiflorum L.) Variety Kowinearly In Northern Part Of South Korea, Gi-Jun Choi, Young-Chul Lim, Byung-Ryul Sung, Ki‐Yong Kim, Jong-Kyung Lee, Keun-Bal Lim, Hyung-Soo Park, Sung Seo, Hee-Chung Ji Jan 2021

Growth Characteristics And Productivity Of A New Cold‐Tolerant Italian Ryegrass (Lolium Multiflorum L.) Variety Kowinearly In Northern Part Of South Korea, Gi-Jun Choi, Young-Chul Lim, Byung-Ryul Sung, Ki‐Yong Kim, Jong-Kyung Lee, Keun-Bal Lim, Hyung-Soo Park, Sung Seo, Hee-Chung Ji

IGC Proceedings (1977-2023)

No abstract provided.


Estilosantes Campo Grande: An Economical And Environmental Success Forage Legume For The Tropics, Celso D. Fernandes, Bela Grof, Rosangela M. S. Resende, Jaqueline R. Verzignassi, Cesar Heraclides Behling Miranda Jan 2021

Estilosantes Campo Grande: An Economical And Environmental Success Forage Legume For The Tropics, Celso D. Fernandes, Bela Grof, Rosangela M. S. Resende, Jaqueline R. Verzignassi, Cesar Heraclides Behling Miranda

IGC Proceedings (1977-2023)

No abstract provided.


Evaluation Of The Intake Of Fresh Mulberry (Morus Alba) In Crossbred Large White Pigs: Morphometric, Histological And Hematological Study, Yuvan Contino, F. Ojeda, R. Herrera, Nancy Altunaga, Guadalupe Pérez, J. L. Moliner Jan 2021

Evaluation Of The Intake Of Fresh Mulberry (Morus Alba) In Crossbred Large White Pigs: Morphometric, Histological And Hematological Study, Yuvan Contino, F. Ojeda, R. Herrera, Nancy Altunaga, Guadalupe Pérez, J. L. Moliner

IGC Proceedings (1977-2023)

No abstract provided.


Coastal Watershed Monitoring And Management: Geomorphology, Geochemistry, And Hydrologic Modeling Of Los Peñasquitos Creek, Ca, Ravleen Khalsa-Basra Jan 2021

Coastal Watershed Monitoring And Management: Geomorphology, Geochemistry, And Hydrologic Modeling Of Los Peñasquitos Creek, Ca, Ravleen Khalsa-Basra

Theses

Rivers in semi-arid climates are directly influenced by local geographic and hydrologic conditions and impacted by modifications to hydrology via urbanization. Changes can influence erosion, morphology, habitat sustainability, and watershed health. In highly urbanized southern California coastal regions, these rare open spaces provide vital ecosystem services. Los Peñasquitos Creek in San Diego County is one such watershed. Using stream surveying and laboratory methods we quantified channel characteristics, grain size distribution, total metal concentration [M], organic carbon (%OC), and phosphate to longitudinally characterize the creek for improved management. Results identified three distinct reaches in the watershed (upper, middle, lower). Downstream, depth …