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Extreme Winds Alter Influence Of Fuels And Topography On Megafire Burn Severity In Seasonal Temperate Rainforests Under Record Fuel Aridity, Cody Evers, Andres Holz, Sebastian Upton Busby, Max Nielsen-Pincus Apr 2022

Extreme Winds Alter Influence Of Fuels And Topography On Megafire Burn Severity In Seasonal Temperate Rainforests Under Record Fuel Aridity, Cody Evers, Andres Holz, Sebastian Upton Busby, Max Nielsen-Pincus

Environmental Science and Management Faculty Publications and Presentations

Nearly 0.8 million hectares of land were burned in the North American Pacific Northwest (PNW) over two weeks under record-breaking fuel aridity and winds during the extraordinary 2020 fire season, representing a rare example of megafires in forests west of the Cascade Mountains. We quantified the relative influence of weather, vegetation, and topography on patterns of high burn severity (>75% tree mortality) among five synchronous megafires in the western Cascade Mountains. Despite the conventional wisdom in climate-limited fire regimes that regional drivers (e.g., extreme aridity, and synoptic winds) overwhelm local controls on vegetation mortality patterns (e.g., vegetation structure and …


Isolation And Identification Of Bacillus Spp. From Syrian Soils And Testing Their Antifungal Activity Against Botrytis Cinerea In Vitro (In Vitro) في ظروف المخبر (Botrytis Cinerea)من ترب سورية واختبار فعاليتها التضادية تجاه الفطر (Bacillus) عزل وتعريف أنواع من الجنس, Naffaa Walid Mar 2022

Isolation And Identification Of Bacillus Spp. From Syrian Soils And Testing Their Antifungal Activity Against Botrytis Cinerea In Vitro (In Vitro) في ظروف المخبر (Botrytis Cinerea)من ترب سورية واختبار فعاليتها التضادية تجاه الفطر (Bacillus) عزل وتعريف أنواع من الجنس, Naffaa Walid

Arab Journal of Arid Environments المجلة العربية للبيئات الجافة

Three hundred seventy eight isolates of Bacillus spp. from Syrian soils were screened in vitro for their ability to inhibit the growth of Botrytis cinerea, agent of gray mold disease. The B307 isolate showed the highest antagonism activity with growth inhibition of 68%. In addition, B307 had chitinolytic activity, and the fraction from the isolate with more than 50KDa of its cell free crude extract showed the highest chitinolytic and antagonism activity against B. cinerea. This isolate was identified as Bacillus licheniformis according to the 16S DNA gene sequencing data with homology of 99%. The results of this …


Ecological Study Of Iris Unguicularis Cretensis In The Coastal Region Of Syria في المنطقة الساحلية من سورية (Iris Unguicularis Cretensis) دراسة بيئية لنبات سوسن كريت, Zuheir Shater, Tharwat Ibrahim, Mohammad Korbaissa Mar 2022

Ecological Study Of Iris Unguicularis Cretensis In The Coastal Region Of Syria في المنطقة الساحلية من سورية (Iris Unguicularis Cretensis) دراسة بيئية لنبات سوسن كريت, Zuheir Shater, Tharwat Ibrahim, Mohammad Korbaissa

Arab Journal of Arid Environments المجلة العربية للبيئات الجافة

This search was conducted during 2014 - 2017 in order to determine the distribution area of Iris unguicularis cretensis in the coastal region of Syria, to evaluate the current situation of its habitats, and to determine the best method to reproduce this plant and evaluate its nutritive value as forage. The distribution area was identified through 12 field trips at various types of parent rocks, expositions, and altitudes along the western versant of the coastal mountains in Syria. The properties of natural habitat was examined in 37 samples distributed along a gradient extending from 300 to 1000 m above sea …


Volume 2, Chapter 19-3: Bryophyte Defenses Against Bacteria, Janice M. Glime Mar 2022

Volume 2, Chapter 19-3: Bryophyte Defenses Against Bacteria, Janice M. Glime

Bryophyte Ecology Subchapters

No abstract provided.


Relationships Between Biodiversity And Production In Grasslands At Local And Regional Scales, A. Hector, M. Loreau Mar 2022

Relationships Between Biodiversity And Production In Grasslands At Local And Regional Scales, A. Hector, M. Loreau

IGC Proceedings (1977-2023)

Key points

1. Experimental manipulations of plant species diversity in unfertilised prairies and meadows has revealed that increasing diversity often leads to increased productivity (range of observed relationships varies from flat to log-linearly positive); driven by a combination of facilitation, niche-partitioning and sampling/selection effects.

2. The longer-term effects of diversity on ecosystem stability are not as clear and in need of further work.

3. Recent applied work, and a new review of the grassland literature, both show the potential for biodiversity to increase productivity under realistic field conditions.

4. The longer-term feedback of grazers on biodiversity gradients is unknown, and …


Global Atmospheric Change And Its Effect On Managed Grassland Systems, Andreas Lüscher, J. Fuhrer, P. C. D. Newton Mar 2022

Global Atmospheric Change And Its Effect On Managed Grassland Systems, Andreas Lüscher, J. Fuhrer, P. C. D. Newton

IGC Proceedings (1977-2023)

Key points

1. Increasing atmospheric CO2 concentration and a trend to warmer mean temperatures are the most reliable aspects of global atmospheric change. Projections of the extent of climate change and the frequency of extreme weather conditions remain uncertain.

2. Research has considerably reduced the uncertainty about effects of global atmospheric change on physiology of plants, productivity and species composition of plant communities.

3. Other factors (e.g. nutrient availability, soil type) and long-term adaptation of the ecosystem (e.g. nutrient cycling and sequestration) influence the response of plant communities to global atmospheric change. Generalisation is not possible with respect to the …


Fungal Associations In An Urban Forest, Jordan Leis Mar 2022

Fungal Associations In An Urban Forest, Jordan Leis

Senior Theses

Fungal communities worldwide are scarcely understood in part due to their vast networks stretching underground or woven into the biomass of plant life. Even macrofungi which produce fruiting bodies colloquially called ‘mushrooms’ hold a transient lifestyle above soil. Urbanization has introduced another challenge towards studying fungi as highly disturbed soils and a lack of preferred host plant species can alter fungal community composition and prevalence. In the summer of 2020 the macrofungal community of Forest Park in Portland, Oregon was surveyed in addition to control sites in the Mount Hood National Forest. Fungi samples were identified by genus and when …


Impact Of Major Disease Outbreaks In The Third Millennium On Adolescent And Youth Sexual And Reproductive Health And Rights In Low And/Or Middle-Income Countries: A Systematic Scoping Review Protocol, Hossein Akbarialiabad, Rahul Shidhaye, Pallavi Shidhaye, Pim Cuijpers, Marcia R. Weaver, Mina Bahrololoom, Sarah Kiburi, Irene N. Njuguna, Mohammad Hossein Taghrir, Manasi Kumar Mar 2022

Impact Of Major Disease Outbreaks In The Third Millennium On Adolescent And Youth Sexual And Reproductive Health And Rights In Low And/Or Middle-Income Countries: A Systematic Scoping Review Protocol, Hossein Akbarialiabad, Rahul Shidhaye, Pallavi Shidhaye, Pim Cuijpers, Marcia R. Weaver, Mina Bahrololoom, Sarah Kiburi, Irene N. Njuguna, Mohammad Hossein Taghrir, Manasi Kumar

Brain and Mind Institute

Introduction Sexual and Reproductive Health and Rights (SRHR) of young people continue to present a high burden and remain underinvested. This is more so in low and middle-income countries (LMICs), where empirical evidence reveals disruption of SRHR maintenance, need for enhancement of programmes, resources and services during pandemics. Despite the importance of the subject, there is no published review yet combining recent disease outbreaks such as (H1N1/09, Zika, Ebola and SARS-COV-2) to assess their impact on adolescents and youth SRHR in LMICs.

Methods and analysis We will adopt a four-step search to reach the maximum possible number of studies. In …


Epidemiological Algorithm For Early Detection Of Covid-19 Cases In A Mexican Oncologic Center, Moisés González-Escamilla, Diana Cristina Pérez-Ibave, Carlos Horacio Burciaga-Flores, Vanessa Natali Ortiz-Murillo, Genaro A. Ramírez-Correa, Patricia Rodríguez-Niño, Rafael Piñeiro-Retif, Hazyadee Frecia Rodríguez-Gutiérrez, Fernando Alcorta-Nuñez Mar 2022

Epidemiological Algorithm For Early Detection Of Covid-19 Cases In A Mexican Oncologic Center, Moisés González-Escamilla, Diana Cristina Pérez-Ibave, Carlos Horacio Burciaga-Flores, Vanessa Natali Ortiz-Murillo, Genaro A. Ramírez-Correa, Patricia Rodríguez-Niño, Rafael Piñeiro-Retif, Hazyadee Frecia Rodríguez-Gutiérrez, Fernando Alcorta-Nuñez

School of Medicine Publications

An early detection tool for latent COVID-19 infections in oncology staff and patients is essential to prevent outbreaks in a cancer center. (1) Background: In this study, we developed and implemented two early detection tools for the radiotherapy area to identify COVID-19 cases opportunely. (2) Methods: Staff and patients answered a questionnaire (electronic and paper surveys, respectively) with clinical and epidemiological information. The data were collected through two online survey tools: Real-Time Tracking (R-Track) and Summary of Factors (S-Facts). Cut-off values were established according to the algorithm models. SARS-CoV-2 qRT-PCR tests confirmed the positive algorithms individuals. (3) Results: Oncology staff …


Tam Extension In E-Learning System Applicable In Private Universities In Lebanon, Soumaya Kaakour, Alaaeldine A. Ali, Nehale Mostapha Feb 2022

Tam Extension In E-Learning System Applicable In Private Universities In Lebanon, Soumaya Kaakour, Alaaeldine A. Ali, Nehale Mostapha

BAU Journal - Society, Culture and Human Behavior

The paper’s purpose is to investigate the influence of selected elements (Accessibility, personal innovativeness (PI), resistance to change, facilitating conditions, perceived usefulness (PU), perceived ease of use (PEOU), attitude) on university students’ to intend e-learning usage. The objective of this paper is to advance a conceptual framework to analyze and to recognize the intention of students to use e-learning in Lebanese private universities. The collection of the data was from 444 private universities students in Lebanon. The SEM analysis had been used to evaluate the influence of these components to intend e-learning system. The results stated that relationships between accessibility …


A Test Of Social Disorganization On Juvenile Property And Violent Crime Rates By Zip Codes Within Two Nonmetropolitan Counties, Mario T. Hesse, Susan M. Hilal Feb 2022

A Test Of Social Disorganization On Juvenile Property And Violent Crime Rates By Zip Codes Within Two Nonmetropolitan Counties, Mario T. Hesse, Susan M. Hilal

Great Plains Sociologist

This study tests the effects of social disorganization on juvenile crimes rates by zip code within two nonmetropolitan counties. It does so by examining the relationships between the selected social disorganization indicators of nontraditional family, residential mobility, and socioeconomic status (poverty) and violent and property crime among juveniles through the use of ANOVA testing. Secondary data obtained from the South Dakota Department of Corrections on adjudicated juveniles and their associated crime and residential location, as well as data from the United States Census Bureau is used and analyzed to test three main hypotheses. Findings indicate that areas characterized by poverty …


Anthropogenic Impacts On The Glowworm Cave, Waitomo, New Zealand: A Microclimate Management Approach, Chris Hendy, David J. Merritt, Shannon Corkill Feb 2022

Anthropogenic Impacts On The Glowworm Cave, Waitomo, New Zealand: A Microclimate Management Approach, Chris Hendy, David J. Merritt, Shannon Corkill

International Journal of Speleology

Waitomo Glowworm Cave is a highly visited cave where the highlight is viewing the bioluminescence display of a large colony of glowworms. The visitation levels result in the build-up of anthropogenic CO2, to the extent that it could cause corrosion of speleothems. The cave experiences chimney-effect ventilation with air flowing either upward or downward through the main cave chambers depending on air density differences between the cave and the outside environment. Lack of airflow leads to CO2 build-up; however, unrestricted airflow can draw in cool, dry air which is harmful to the glowworms. Consequently, airflow is managed …


Classroom Ecology And Academic Performance: An Exploration Of The Merits Of The Single-Row Horseshoe Classroom Design, A. Olu Oyinlade, Silvana Maria Russo Watson Feb 2022

Classroom Ecology And Academic Performance: An Exploration Of The Merits Of The Single-Row Horseshoe Classroom Design, A. Olu Oyinlade, Silvana Maria Russo Watson

Great Plains Sociologist

Many studies on the effects of the traditional row-column classroom arrangement on academic performance have concluded that an action zone-whereby students who sit in the front and middle rows perform better than those seated at the sides and the back-exists. Therefore the traditional classroom arrangement does not provide learning parity for all students based on their seating positions, suggesting therefore, that some students are at a learning disadvantage due to seating position.

The present study investigated the single-row horseshoe design for its learning merits, with an attempt to discover if it offers a learning parity for all students or if …


Human Milk Oligosaccharide Compositions Illustrate Global Variations In Early Nutrition, Anita Vinjamuri, Jasmine C. C. Davis, Sarah M. Totten, Lauren D. Wu, Laura D. Klein, Melanie Martin, Ea Quinn, Brooke Scelza, Alicia Breakey, Michael Gurven, Grazyna Jasienska, Hillard Kaplan, Claudia Valeggia, Katie Hinde, Jennifer T. Smilowitz, Robin M. Bernstein, Angela M. Zivkovic, Michael J. Barratt, Jeffrey I. Gordon, Mark A. Underwood, David A. Mills, J. Bruce German, Carlito B. Lebrilla Feb 2022

Human Milk Oligosaccharide Compositions Illustrate Global Variations In Early Nutrition, Anita Vinjamuri, Jasmine C. C. Davis, Sarah M. Totten, Lauren D. Wu, Laura D. Klein, Melanie Martin, Ea Quinn, Brooke Scelza, Alicia Breakey, Michael Gurven, Grazyna Jasienska, Hillard Kaplan, Claudia Valeggia, Katie Hinde, Jennifer T. Smilowitz, Robin M. Bernstein, Angela M. Zivkovic, Michael J. Barratt, Jeffrey I. Gordon, Mark A. Underwood, David A. Mills, J. Bruce German, Carlito B. Lebrilla

ESI Publications

Background

Human milk oligosaccharides (HMOs) are an abundant class of compounds found in human milk and have been linked to the development of the infant, and specifically the brain, immune system, and gut microbiome.


Objectives

Advanced analytical methods were used to obtain relative quantitation of many structures in approximately 2000 samples from over 1000 mothers in urban, semirural, and rural sites across geographically diverse countries.


Methods

LC-MS−based analytical methods were used to profile the compounds with broad structural coverage and quantitative information. The profiles revealed their structural heterogeneity and their potential biological roles. Comparisons of HMO compositions were made between …


Big-Data Approaches Lead To An Increased Understanding Of The Ecology Of Animal Movement, Mark A. Whiteside Feb 2022

Big-Data Approaches Lead To An Increased Understanding Of The Ecology Of Animal Movement, Mark A. Whiteside

School of Biological and Marine Sciences

No abstract provided.


The Potential Impacts Of A Digital Preoperative Assessment Service On Appointments, Travel-Related Carbon Dioxide Emissions, And User Experience: A Case Study, M Milne-Ives, J Leyden, I Maramba, A Chatterjee, E Meinert Feb 2022

The Potential Impacts Of A Digital Preoperative Assessment Service On Appointments, Travel-Related Carbon Dioxide Emissions, And User Experience: A Case Study, M Milne-Ives, J Leyden, I Maramba, A Chatterjee, E Meinert

School of Nursing and Midwifery

Background The National Health Service (NHS) cannot keep up with the demand for operations and procedures. Preoperative assessments can be conducted on the internet to improve efficiency and reduce wait times for operations. MyPreOp is a cloud-based platform where patients can complete preoperative questionnaires. These are reviewed by a nurse who determines whether they need a subsequent face-to-face appointment. Objective The primary objective of this study is to describe the potential impact of MyPreOp (Ultramed Ltd) on the number of face-to-face appointments. The secondary objectives are to examine the time spent on preoperative assessments completed using MyPreOp in NHS Trusts …


Potential Of C4 Tropical Grasses To Contribute In Carbon Sequestration, Environmental Security And Livelihood Opportunities Through Increased Fodder Availability, D. R. Malaviya, A. K. Roy, P. Kaushal Feb 2022

Potential Of C4 Tropical Grasses To Contribute In Carbon Sequestration, Environmental Security And Livelihood Opportunities Through Increased Fodder Availability, D. R. Malaviya, A. K. Roy, P. Kaushal

IGC Proceedings (1977-2023)

The world grasslands/rangeland ecosystems comprise 26% of earth’s surface and have immense ecological and economic significance. Diversity of grasslands had been a key element for their sustainability. Grasslands in India have existed as natural ecosystems for millions of years. It is a major source of income, employment and livelihood to the rural families. Owing to heavy grazing pressure, coupled with other social/anthropogenic factors, the grazing resources have fast deteriorated. The country has many old and natural grasslands with ethnic and economic value. Comprehensive ecological studies including floristic compositions, dominant species, grazing pressure and the climax/sub-climax stages of ecological succession will …


Palaeoecological Data Indicates Land-Use Changes Across Europe Linked To Spatial Heterogeneity In Mortality During The Black Death Pandemic, A. Izdebski, P. Guzowski, R. Poniat, L. Masci, J. Palli, C. Vignola, M. Bauch, C. Cocozza, R. Fernandes, F. C. Ljungqvist, T. Newfield, A. Seim, D. Abel-Schaad, F. Alba-Sánchez, L. Björkman, A. Brauer, A. Brown, S. Czerwiński, A. Ejarque, M. Fiłoc, A. Florenzano, E. D. Fredh, R. Fyfe, N. Jasiunas, P. Kołaczek, K. Kouli, R. Kozáková, M. Kupryjanowicz, P. Lagerås, P. Lagerås, M. Lindbladh, J. A. López-Sáez, R. Luelmo-Lautenschlaeger, K. Marcisz, F. Mazier, S. Mensing, A. M. Mercuri, K. Milecka, Y. Miras, A. M. Noryśkiewicz, E. Novenko, M. Obremska, S. Panajiotidis, M. L. Papadopoulou, A. Pędziszewska, S. Pérez-Díaz, G. Piovesan, A. Pluskowski, P. Pokorny, A. Poska, T. Reitalu, M. Rösch, L. Sadori, Ferreira C Sá, D. Sebag, M. Słowiński, M. Stančikaitė, N. Stivrins, I. Tunno, S. Veski, A. Wacnik, A. Masi Feb 2022

Palaeoecological Data Indicates Land-Use Changes Across Europe Linked To Spatial Heterogeneity In Mortality During The Black Death Pandemic, A. Izdebski, P. Guzowski, R. Poniat, L. Masci, J. Palli, C. Vignola, M. Bauch, C. Cocozza, R. Fernandes, F. C. Ljungqvist, T. Newfield, A. Seim, D. Abel-Schaad, F. Alba-Sánchez, L. Björkman, A. Brauer, A. Brown, S. Czerwiński, A. Ejarque, M. Fiłoc, A. Florenzano, E. D. Fredh, R. Fyfe, N. Jasiunas, P. Kołaczek, K. Kouli, R. Kozáková, M. Kupryjanowicz, P. Lagerås, P. Lagerås, M. Lindbladh, J. A. López-Sáez, R. Luelmo-Lautenschlaeger, K. Marcisz, F. Mazier, S. Mensing, A. M. Mercuri, K. Milecka, Y. Miras, A. M. Noryśkiewicz, E. Novenko, M. Obremska, S. Panajiotidis, M. L. Papadopoulou, A. Pędziszewska, S. Pérez-Díaz, G. Piovesan, A. Pluskowski, P. Pokorny, A. Poska, T. Reitalu, M. Rösch, L. Sadori, Ferreira C Sá, D. Sebag, M. Słowiński, M. Stančikaitė, N. Stivrins, I. Tunno, S. Veski, A. Wacnik, A. Masi

School of Geography, Earth and Environmental Sciences

AbstractThe Black Death (1347–1352 ce) is the most renowned pandemic in human history, believed by many to have killed half of Europe’s population. However, despite advances in ancient DNA research that conclusively identified the pandemic’s causative agent (bacterium Yersinia pestis), our knowledge of the Black Death remains limited, based primarily on qualitative remarks in medieval written sources available for some areas of Western Europe. Here, we remedy this situation by applying a pioneering new approach, ‘big data palaeoecology’, which, starting from palynological data, evaluates the scale of the Black Death’s mortality on a regional scale across Europe. We collected pollen …


Feminism And Intersectionality: Black Feminist Studies And The Perspectives Of Jennifer C. Nash, Goutam Karmakar Feb 2022

Feminism And Intersectionality: Black Feminist Studies And The Perspectives Of Jennifer C. Nash, Goutam Karmakar

Journal of International Women's Studies

This in-depth conversation with Jennifer Christine Nash, the Jean Fox O’Barr Professor of Gender, Sexuality, and Feminist Studies at Duke University, USA, aims to illuminate the complexities of intersectionality in feminist discourse. This interview focuses on Nash’s work and perspectives on intersectionality in relation to gender, class, race, sexuality, and hierarchies of power and privilege. This interview discusses precarity, vulnerability, and intersectionality in black feminist discourse, as well as the marginalisation of black women’s heterogeneity, the politics of reading associated with intersectionality, and the relationship between temporality and intersectionality. Additionally, this conversation discusses Nash’s monograph, Black Feminism Reimagined (2019), post-intersectionality …


Health Issues Of Mothers In Assam:An Analytical Assessment Of National Family Health Surveys, Abdur Rashid Ahmed Feb 2022

Health Issues Of Mothers In Assam:An Analytical Assessment Of National Family Health Surveys, Abdur Rashid Ahmed

Journal of International Women's Studies

Maternal mortality is one of the most serious public health concerns around the globe especially in developing countries like India. WHO estimated that almost 40% of pregnant women and 42% of children less than 5 years of age are anaemic globally and one-third of all women of reproductive age is also anaemic, and around half of maternal deaths in the world occur due only to anaemia. But the prevalence of anaemia among pregnant women in India has marginally declined as reported by the latest National Family Health Survey (NFHS). Using secondary data provided by NFHS, the study reveals that the …


Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Allison A. Fong, Steven Fons, Markus M. Frey, Niels Fuchs, Carolina Gabarró, Sebastian Gerland, Helge F. Goessling, Rolf Gradinger, Jari Haapala, Christian Haas, Jonathan Hamilton, Henna Reetta Hannula, Stefan Hendricks, Andreas Herber Feb 2022

Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Allison A. Fong, Steven Fons, Markus M. Frey, Niels Fuchs, Carolina Gabarró, Sebastian Gerland, Helge F. Goessling, Rolf Gradinger, Jari Haapala, Christian Haas, Jonathan Hamilton, Henna Reetta Hannula, Stefan Hendricks, Andreas Herber

Graduate School of Oceanography Faculty Publications

Year-round observations of the physical snow and ice properties and processes that govern the ice pack evolution and its interaction with the atmosphere and the ocean were conducted during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition of the research vessel Polarstern in the Arctic Ocean from October 2019 to September 2020. This work was embedded into the interdisciplinary design of the 5 MOSAiC teams, studying the atmosphere, the sea ice, the ocean, the ecosystem, and biogeochemical processes. The overall aim of the snow and sea ice observations during MOSAiC was to characterize the physical properties …


Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Tim Stanton, For Full Author List, See Comments Below Feb 2022

Overview Of The Mosaic Expedition: Snow And Sea Ice, Marcel Nicolaus, Donald K. Perovich, Gunnar Spreen, Mats A. Granskog, Luisa Von Albedyll, Michael Angelopoulos, Philipp Anhaus, Stefanie Arndt, H. Jakob Belter, Vladimir Bessonov, Gerit Birnbaum, Jörg Brauchle, Radiance Calmer, Estel Cardellach, Bin Cheng, David Clemens-Sewall, Ruzica Dadic, Ellen Damm, Gijs De Boer, Oguz Demir, Klaus Dethloff, Dmitry V. Divine, Tim Stanton, For Full Author List, See Comments Below

Faculty Research, Scholarly, and Creative Activity

Year-round observations of the physical snow and ice properties and processes that govern the ice pack evolution and its interaction with the atmosphere and the ocean were conducted during the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition of the research vessel Polarstern in the Arctic Ocean from October 2019 to September 2020. This work was embedded into the interdisciplinary design of the 5 MOSAiC teams, studying the atmosphere, the sea ice, the ocean, the ecosystem, and biogeochemical processes. The overall aim of the snow and sea ice observations during MOSAiC was to characterize the physical properties …


Optimizing Management Of Invasions In An Uncertain World Using Dynamic Spatial Models, Kim M. Pepin, Amy J. Davis, Rebecca S. Epanchin-Niell, Andrew M. Gormley, Joslin L. Moore, Timothy J. Smyser, H. Bradley Shaffer, William L. Kendall, Katriona Shea, Michael C. Runge, Sophie Mckee Feb 2022

Optimizing Management Of Invasions In An Uncertain World Using Dynamic Spatial Models, Kim M. Pepin, Amy J. Davis, Rebecca S. Epanchin-Niell, Andrew M. Gormley, Joslin L. Moore, Timothy J. Smyser, H. Bradley Shaffer, William L. Kendall, Katriona Shea, Michael C. Runge, Sophie Mckee

United States Department of Agriculture Wildlife Services: Staff Publications

Dispersal drives invasion dynamics of nonnative species and pathogens. Applying knowledge of dispersal to optimize the management of invasions can mean the difference between a failed and a successful control program and dramatically improve the return on investment of control efforts. A common approach to identifying optimal management solutions for invasions is to optimize dynamic spatial models that incorporate dispersal. Optimizing these spatial models can be very challenging because the interaction of time, space, and uncertainty rapidly amplifies the number of dimensions being considered. Addressing such problems requires advances in and the integration of techniques from multiple fields, including ecology, …


Ranking The Biases: The Choice Of Otus Vs. Asvs In 16s Rrna Amplicon Data Analysis Has Stronger Effects On Diversity Measures Than Rarefaction And Otu Identity Threshold, Marlène Chiarello, Mark Mccauley, Sébastien Villéger, Colin R. Jackson Feb 2022

Ranking The Biases: The Choice Of Otus Vs. Asvs In 16s Rrna Amplicon Data Analysis Has Stronger Effects On Diversity Measures Than Rarefaction And Otu Identity Threshold, Marlène Chiarello, Mark Mccauley, Sébastien Villéger, Colin R. Jackson

Faculty and Student Publications

Advances in the analysis of amplicon sequence datasets have introduced a methodological shift in how research teams investigate microbial biodiversity, away from sequence identity-based clustering (producing Operational Taxonomic Units, OTUs) to denoising methods (producing amplicon sequence variants, ASVs). While denoising methods have several inherent properties that make them desirable compared to clustering-based methods, questions remain as to the influence that these pipelines have on the ecological patterns being assessed, especially when compared to other methodological choices made when processing data (e.g. rarefaction) and computing diversity indices. We compared the respective influences of two widely used methods, namely DADA2 (a denoising …


Spatiotemporal Patterns In The Biomass Of Drift Macroalgae In The Indian River Lagoon, Florida, United States, Lauren M. Hall, Lori J. Morris, Robert H. Chamberlain, M. Dennis Hanisak, Robert W. Virnstein, Richard Paperno, Bernhard Riegl, L. Rex Ellis, Ali Simpson, Charles A. Jacoby Feb 2022

Spatiotemporal Patterns In The Biomass Of Drift Macroalgae In The Indian River Lagoon, Florida, United States, Lauren M. Hall, Lori J. Morris, Robert H. Chamberlain, M. Dennis Hanisak, Robert W. Virnstein, Richard Paperno, Bernhard Riegl, L. Rex Ellis, Ali Simpson, Charles A. Jacoby

Marine & Environmental Sciences Faculty Articles

Drift macroalgae plays key roles in the ecology of many coastal systems, including the Indian River Lagoon. In the lagoon, changes in the biomass of drift macroalgae may have interacted with an unprecedented bloom of phytoplankton in 2011. Patterns in the biomass of drift macroalgae were identified using new and original analyses of data from several sampling programs collected between 1997 and 2019. All available data show a relatively low biomass of drift macroalgae in 2010–2012, and surveys of fixed transects and seining as part of a fisheries independent monitoring program also recorded low biomass in 2016. Low light availability …


A Narrative Review Of The Evidence For Variations In Serum 25-Hydroxyvitamin D Concentration Thresholds For Optimal Health, William B. Grant, Fatme Al Anouti, Barbara J. Boucher, Erdinç Dursun, Duygu Gezen-Ak, Edward B. Jude, Tatiana Karonova, Pawel Pludowski Feb 2022

A Narrative Review Of The Evidence For Variations In Serum 25-Hydroxyvitamin D Concentration Thresholds For Optimal Health, William B. Grant, Fatme Al Anouti, Barbara J. Boucher, Erdinç Dursun, Duygu Gezen-Ak, Edward B. Jude, Tatiana Karonova, Pawel Pludowski

All Works

Vitamin D3 has many important health benefits. Unfortunately, these benefits are not widely known among health care personnel and the general public. As a result, most of the world’s population has serum 25-hydroxyvitamin D (25(OH)D) concentrations far below optimal values. This narrative review examines the evidence for the major causes of death including cardiovascular disease, hypertension, cancer, type 2 diabetes mellitus, and COVID-19 with regard to sub-optimal 25(OH)D concentrations. Evidence for the beneficial effects comes from a variety of approaches including ecological and observational studies, studies of mechanisms, and Mendelian randomization studies. Although randomized controlled trials (RCTs) are generally considered …


Emphasizing The Link Between Blood Types In Multi-Ethnic Disparities And Covid-19 Infection In Makkah, Saudi Arabia, Wesam A. Nasif, Abeer S.E. Ali, Asim A. Khogeer, Mohammed H. Mukhtar, Mohamed M. Noureldein, Ahmed Y. Shebly, Shumukh H. Alqahtani, Yahya A. Alnashri, Ghaidaa E. Khouj, Ziyad I. Gadah, Mohammad A. Althubiti Feb 2022

Emphasizing The Link Between Blood Types In Multi-Ethnic Disparities And Covid-19 Infection In Makkah, Saudi Arabia, Wesam A. Nasif, Abeer S.E. Ali, Asim A. Khogeer, Mohammed H. Mukhtar, Mohamed M. Noureldein, Ahmed Y. Shebly, Shumukh H. Alqahtani, Yahya A. Alnashri, Ghaidaa E. Khouj, Ziyad I. Gadah, Mohammad A. Althubiti

Saudi Medical Journal

Objectives: To analyze the impact and distribution of blood groups in different ethnicities and the extent of susceptibility to infection with COVID-19 in Makkah, Saudi Arabia. Methods: A retrospective study was performed on 4,609 COVID-19 patients from five ethnic groups to assess the impact and distribution of different blood types and susceptibility to COVID-19 infection. The study was carried out between November 2020 and June 2021 in the College of Medicine, Umm Al-Qura University in collaboration with the General Directorate of Health Affairs, Makkah, Saudi Arabia. Results: Blood group (A, B, and O) distributions in 2,617 COVID-19 patients with local …


Lianas Significantly Reduce Aboveground And Belowground Carbon Storage: A Virtual Removal Experiment, Sergio Estrada-Villegas, Sara Sofia Pedraza Navaez, Adriana Sanchez, Stefan A. Schnitzer Feb 2022

Lianas Significantly Reduce Aboveground And Belowground Carbon Storage: A Virtual Removal Experiment, Sergio Estrada-Villegas, Sara Sofia Pedraza Navaez, Adriana Sanchez, Stefan A. Schnitzer

Biological Sciences Faculty Research and Publications

Lianas are a quintessential tropical plant growth-form; they are speciose and abundant in tropical forests worldwide. Lianas compete intensely with trees, reducing nearly all aspects of tree performance. However, the negative effects of lianas on trees have never been combined and quantified for multiple tropical forests. Here, we present the first comprehensive standardized quantification of the effect of lianas on trees across tropical forests worldwide. We used data from 50 liana removal experiments and quantified the effect size of lianas on tree growth, biomass accretion, reproduction, mortality, leaf water potential, sap flow velocity, and leaf area index (LAI) across different …


Coronavirus Disease 2019 (Covid-19) Research Agenda For Healthcare Epidemiology, Lona Mody, Hilary M Babcock, Jennie H Kwon, Et Al Feb 2022

Coronavirus Disease 2019 (Covid-19) Research Agenda For Healthcare Epidemiology, Lona Mody, Hilary M Babcock, Jennie H Kwon, Et Al

Open Access Publications

This SHEA white paper identifies knowledge gaps and challenges in healthcare epidemiology research related to coronavirus disease 2019 (COVID-19) with a focus on core principles of healthcare epidemiology. These gaps, revealed during the worst phases of the COVID-19 pandemic, are described in 10 sections: epidemiology, outbreak investigation, surveillance, isolation precaution practices, personal protective equipment (PPE), environmental contamination and disinfection, drug and supply shortages, antimicrobial stewardship, healthcare personnel (HCP) occupational safety, and return to work policies. Each section highlights three critical healthcare epidemiology research questions with detailed description provided in supplementary materials. This research agenda calls for translational studies from laboratory-based …


Challenges And Opportunities In The Care Of Chronic Subdural Haematoma: Perspectives From A Multi-Disciplinary Working Group On The Need For Change, Dj Stubbs, B Davies, P Hutchinson, Dk Menon, Th Bashford, E Edlmann, A Bateman, P Braude, R Burnstein, S Camp, G Carr, Pj Clarkson, J Coles, J Dhesi, J Dinsmore, M Dixon-Woods, A Ercole, N Evans, A Figaji, S Griffin, P Grundy, P Hartley, A Joannides, A Kolias, F Lecky, P May, I Moppett, S Morris, M Nathanson, J Outtrim, N Owen, N Phillips, T Quinn, S Ralhan, D Sapsford, Djh Shipway, C Skitterall, M Smith, M Swart, W Thomas, K Walton, N Wareham, P Whitfield, Sr Wilson, M Vindlacheruvu Jan 2022

Challenges And Opportunities In The Care Of Chronic Subdural Haematoma: Perspectives From A Multi-Disciplinary Working Group On The Need For Change, Dj Stubbs, B Davies, P Hutchinson, Dk Menon, Th Bashford, E Edlmann, A Bateman, P Braude, R Burnstein, S Camp, G Carr, Pj Clarkson, J Coles, J Dhesi, J Dinsmore, M Dixon-Woods, A Ercole, N Evans, A Figaji, S Griffin, P Grundy, P Hartley, A Joannides, A Kolias, F Lecky, P May, I Moppett, S Morris, M Nathanson, J Outtrim, N Owen, N Phillips, T Quinn, S Ralhan, D Sapsford, Djh Shipway, C Skitterall, M Smith, M Swart, W Thomas, K Walton, N Wareham, P Whitfield, Sr Wilson, M Vindlacheruvu

Peninsula Medical School

No abstract provided.