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Articles 6661 - 6690 of 12194

Full-Text Articles in Physical Sciences and Mathematics

Changes In Plant Communities By Grazing In Northern Mongolian Grassland And Assessment Of Nomads, K. Kakinuma, S. Takatsuki Jul 2020

Changes In Plant Communities By Grazing In Northern Mongolian Grassland And Assessment Of Nomads, K. Kakinuma, S. Takatsuki

IGC Proceedings (1993-2023)

No abstract provided.


Β-Amyloid And Tau Drive Early Alzheimer's Disease Decline While Glucose Hypometabolism Drives Late Decline, Tyler C. Hammond, Xin Xing, Chris Wang, David Ma, Kwangsik Nho, Paul K. Crane, Fanny Elahi, David A. Ziegler, Gongbo Liang, Qiang Cheng, Lucille M. Yanckello, Nathan Jacobs, Ai-Ling Lin Jul 2020

Β-Amyloid And Tau Drive Early Alzheimer's Disease Decline While Glucose Hypometabolism Drives Late Decline, Tyler C. Hammond, Xin Xing, Chris Wang, David Ma, Kwangsik Nho, Paul K. Crane, Fanny Elahi, David A. Ziegler, Gongbo Liang, Qiang Cheng, Lucille M. Yanckello, Nathan Jacobs, Ai-Ling Lin

Sanders-Brown Center on Aging Faculty Publications

Clinical trials focusing on therapeutic candidates that modify β-amyloid (Aβ) have repeatedly failed to treat Alzheimer’s disease (AD), suggesting that Aβ may not be the optimal target for treating AD. The evaluation of Aβ, tau, and neurodegenerative (A/T/N) biomarkers has been proposed for classifying AD. However, it remains unclear whether disturbances in each arm of the A/T/N framework contribute equally throughout the progression of AD. Here, using the random forest machine learning method to analyze participants in the Alzheimer’s Disease Neuroimaging Initiative dataset, we show that A/T/N biomarkers show varying importance in predicting AD development, with elevated biomarkers of Aβ …


Investigation On Environmental Factors Influencing Distribution Of Plant Species (Case Study: Damghan Region Of Semnan Province), H. Joneidi, Hossein Azarnivand, S. H. Nikoo, M. Zarechahuki Jul 2020

Investigation On Environmental Factors Influencing Distribution Of Plant Species (Case Study: Damghan Region Of Semnan Province), H. Joneidi, Hossein Azarnivand, S. H. Nikoo, M. Zarechahuki

IGC Proceedings (1993-2023)

No abstract provided.


Effect On Artemisia Frigida Module Under Different Stocking Rates In The Desert Steppe, Inner Mongolia, S. Y. Jiao, G. D. Han, M. J. Wang, Z. W. Wang, C. L. Li, Z. H. Xue, X. H. Yang Jul 2020

Effect On Artemisia Frigida Module Under Different Stocking Rates In The Desert Steppe, Inner Mongolia, S. Y. Jiao, G. D. Han, M. J. Wang, Z. W. Wang, C. L. Li, Z. H. Xue, X. H. Yang

IGC Proceedings (1993-2023)

No abstract provided.


Effect Of Intercropping Forages On Root Growth Of Fruit Tree And Orchard Ecology, Yibin Huang, Weibin Pan, Zhaoyang Ying, En Chen, Boqi Weng Jul 2020

Effect Of Intercropping Forages On Root Growth Of Fruit Tree And Orchard Ecology, Yibin Huang, Weibin Pan, Zhaoyang Ying, En Chen, Boqi Weng

IGC Proceedings (1993-2023)

No abstract provided.


Classification Of Herbaceous Communities In The Subalpine Meadow On Mt . Xiaowutai, Xiaoxia Huang, Kejian He Jul 2020

Classification Of Herbaceous Communities In The Subalpine Meadow On Mt . Xiaowutai, Xiaoxia Huang, Kejian He

IGC Proceedings (1993-2023)

No abstract provided.


The Dynamic Changes Of Biodiversity In Hongsongwa Nature Reserve, Tiran Huang, Lianfang Li, Haifeng Liu, Jianguang Pang Jul 2020

The Dynamic Changes Of Biodiversity In Hongsongwa Nature Reserve, Tiran Huang, Lianfang Li, Haifeng Liu, Jianguang Pang

IGC Proceedings (1993-2023)

No abstract provided.


The Photosynthetic Characteristics Of Hemarthria Compressa In Different Seasons, Huijun Huang, Chunhua Yang, Lingzhi Chen, Xiantao Fu, Zhisong Tang Jul 2020

The Photosynthetic Characteristics Of Hemarthria Compressa In Different Seasons, Huijun Huang, Chunhua Yang, Lingzhi Chen, Xiantao Fu, Zhisong Tang

IGC Proceedings (1993-2023)

No abstract provided.


Distribution Of Vegetation Types In Bayinbuluk Alpine Grassland, Y. K. Hu, K. H. Li, W. L. Li, G. G. Gao, Y. M. Gong Jul 2020

Distribution Of Vegetation Types In Bayinbuluk Alpine Grassland, Y. K. Hu, K. H. Li, W. L. Li, G. G. Gao, Y. M. Gong

IGC Proceedings (1993-2023)

No abstract provided.


Cytologic Observations Of Sterility In Interspecific F1 Hybrid From Leymus Chinensis And Leymus Cinereus, Jianhua Hou, Jinfeng Yun Jul 2020

Cytologic Observations Of Sterility In Interspecific F1 Hybrid From Leymus Chinensis And Leymus Cinereus, Jianhua Hou, Jinfeng Yun

IGC Proceedings (1993-2023)

No abstract provided.


Ecological Characteristics Of 3 Salt Grasses Of Saline And Alkaline Habitats Of Northern Gorgan, Iran, S. A. Hosseini, G. A. Abarsaji, M. Mesdaghi Jul 2020

Ecological Characteristics Of 3 Salt Grasses Of Saline And Alkaline Habitats Of Northern Gorgan, Iran, S. A. Hosseini, G. A. Abarsaji, M. Mesdaghi

IGC Proceedings (1993-2023)

No abstract provided.


Citric Acid Accumulation Of Puccinellia Tenuiflorais A Specific Adaptive Response To Alkaline Stress, Hong Yan, Shangjun Yin, Wei Zhao, Decheng Shi Jul 2020

Citric Acid Accumulation Of Puccinellia Tenuiflorais A Specific Adaptive Response To Alkaline Stress, Hong Yan, Shangjun Yin, Wei Zhao, Decheng Shi

IGC Proceedings (1993-2023)

No abstract provided.


Responses Of Photosynthetic Rate Of Lucerne And The Mechanisms Under Cutting At Different Water Availabilities, Shubin He, Huimin Yang, Guoli Liu, Zhilong Zhang Jul 2020

Responses Of Photosynthetic Rate Of Lucerne And The Mechanisms Under Cutting At Different Water Availabilities, Shubin He, Huimin Yang, Guoli Liu, Zhilong Zhang

IGC Proceedings (1993-2023)

No abstract provided.


Ecological Characteristics Of Halophytes In The Arid Areas, Wenjun Han, Kunio Hamamura Jul 2020

Ecological Characteristics Of Halophytes In The Arid Areas, Wenjun Han, Kunio Hamamura

IGC Proceedings (1993-2023)

No abstract provided.


Response Of Activated Oxygen Metabolism To Water Stress In Different Drought‐Tolerant Alfalfa (Medicago Sativa) At Seedling Stage, Ruihong Han Jul 2020

Response Of Activated Oxygen Metabolism To Water Stress In Different Drought‐Tolerant Alfalfa (Medicago Sativa) At Seedling Stage, Ruihong Han

IGC Proceedings (1993-2023)

No abstract provided.


Effect Of Patch Size Of Metacommunity On Species Diversity In Leymus Chinensis Meadow In The Songnen Plains Of China, Dayong Han, Yunfei Yang, Jiandong Li Jul 2020

Effect Of Patch Size Of Metacommunity On Species Diversity In Leymus Chinensis Meadow In The Songnen Plains Of China, Dayong Han, Yunfei Yang, Jiandong Li

IGC Proceedings (1993-2023)

No abstract provided.


The Successional Dynamic Changing Process Of Vegetation Steppe From Central Asia And Mongolian Pasture, Erdenejav Guriin Proffessor Jul 2020

The Successional Dynamic Changing Process Of Vegetation Steppe From Central Asia And Mongolian Pasture, Erdenejav Guriin Proffessor

IGC Proceedings (1993-2023)

No abstract provided.


Biological Soil Crust Under Shrubs And Its Topsoil Properties In The Process Of Dune Vegetation Restoration In The Horqin Sandy Grassland, Inner Mongolia, Yirui Guo, Halin Zhao, Xiaoan Zuo Jul 2020

Biological Soil Crust Under Shrubs And Its Topsoil Properties In The Process Of Dune Vegetation Restoration In The Horqin Sandy Grassland, Inner Mongolia, Yirui Guo, Halin Zhao, Xiaoan Zuo

IGC Proceedings (1993-2023)

No abstract provided.


The Comparison Of Photosynthetic Physiological Characteristics Between Leymus Chinensis And Leymus Secalinus In The Songnen Plains, R. Guo, Yunfei Yang Jul 2020

The Comparison Of Photosynthetic Physiological Characteristics Between Leymus Chinensis And Leymus Secalinus In The Songnen Plains, R. Guo, Yunfei Yang

IGC Proceedings (1993-2023)

No abstract provided.


Water Relations In Native Trees, Northeastern Mexico, Humberto González, I. A. Molina, I. C. Silva, M. V. Gómez, R. G. Ramírez Jul 2020

Water Relations In Native Trees, Northeastern Mexico, Humberto González, I. A. Molina, I. C. Silva, M. V. Gómez, R. G. Ramírez

IGC Proceedings (1993-2023)

No abstract provided.


Effects Of Different Utilization Levels On Species Richness Changes In Saral Grassland, Kurdistan Province, S. Gholinejad, M. Vafakhah, S. A. R. Mousavi Jul 2020

Effects Of Different Utilization Levels On Species Richness Changes In Saral Grassland, Kurdistan Province, S. Gholinejad, M. Vafakhah, S. A. R. Mousavi

IGC Proceedings (1993-2023)

No abstract provided.


Behavior Of Medicinal Species Of Cichorium Intybus Against Salinity On Different Developmental Stages, M. Ghavam Arabani, Hossein Azarnivand, A. Tavili Jul 2020

Behavior Of Medicinal Species Of Cichorium Intybus Against Salinity On Different Developmental Stages, M. Ghavam Arabani, Hossein Azarnivand, A. Tavili

IGC Proceedings (1993-2023)

No abstract provided.


Covid-19 Is Spatial: Ensuring That Mobile Big Data Is Used For Social Good, Age Poom, Olle Järv, Matthew Zook, Tuuli Toivonen Jul 2020

Covid-19 Is Spatial: Ensuring That Mobile Big Data Is Used For Social Good, Age Poom, Olle Järv, Matthew Zook, Tuuli Toivonen

Geography Faculty Publications

The mobility restrictions related to COVID-19 pandemic have resulted in the biggest disruption to individual mobilities in modern times. The crisis is clearly spatial in nature, and examining the geographical aspect is important in understanding the broad implications of the pandemic. The avalanche of mobile Big Data makes it possible to study the spatial effects of the crisis with spatiotemporal detail at the national and global scales. However, the current crisis also highlights serious limitations in the readiness to take the advantage of mobile Big Data for social good, both within and beyond the interests of health sector. We propose …


Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni Jun 2020

Which Vegetation Sampling Approach Is More Efficient For A Rangeland Inventory?, Gh. Ghanbarian, M. Mesdaghi, H. Barani, M. Azimmohseni

IGC Proceedings (1993-2023)

No abstract provided.


Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami Jun 2020

Presentation Of Diversity, Life Forms And Chorology Of Plant Species In Rangelands Of Jahrom, Gh. Ghanbarian, E. Jafari, A. Hatami, M. Tayebi Khorrami

IGC Proceedings (1993-2023)

No abstract provided.


Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang Jun 2020

Analysis Of C‐Banding And Karyotype Of Chromosome Of Two Galega Species, Hongwen Gao, Xinyu Zhang, Zan Wang

IGC Proceedings (1993-2023)

No abstract provided.


Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao Jun 2020

Obstacles Of Determining Compensation In Grassland Ecological Values, Zhiyi Gai, Xiufang Gao

IGC Proceedings (1993-2023)

No abstract provided.


Application Of Analytical Hierarchy Process (Ahp) In Priority Classification Of Utilization Measurement Methods In Agropyrun Trichophrum Stands In Upland Grasslands Of Iran, Fazel Amiri Jun 2020

Application Of Analytical Hierarchy Process (Ahp) In Priority Classification Of Utilization Measurement Methods In Agropyrun Trichophrum Stands In Upland Grasslands Of Iran, Fazel Amiri

IGC Proceedings (1993-2023)

No abstract provided.


Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai Jun 2020

Assessment Of Important Environmental Factors Affecting Agropyron Trichophrum Establishment By Using An Ordination Method, Fazel Amiri, M. R. Chaichi, T. Tabatabai

IGC Proceedings (1993-2023)

No abstract provided.


Inter‐Annual Dynamics Of Grassland Yields And Assessment Of Herbage Supply In The Headwater Region Of Three Rivers Over 18 Years, Jiangwen Fan, Junbang Wang, Zhouqi Chen, Huaping Zhong, Quanqin Shao, Jiyuan Liu, Wenyan Zhang Jun 2020

Inter‐Annual Dynamics Of Grassland Yields And Assessment Of Herbage Supply In The Headwater Region Of Three Rivers Over 18 Years, Jiangwen Fan, Junbang Wang, Zhouqi Chen, Huaping Zhong, Quanqin Shao, Jiyuan Liu, Wenyan Zhang

IGC Proceedings (1993-2023)

No abstract provided.