73 Works

Data from: Understory diversity and composition after planting of teak and mahogany in Yogyakarta, Indonesia

Cicik Udayana, Harry P. Andreassen & Christina Skarpe
Forest rehabilitation is when a desired tree species is planted in degraded forests or lands. Rehabilitation by planting a single tree species is a common way to restore exploited forests to maintain ecological processes. We compared woody and herbaceous understory vegetation between forests rehabilitated by mahogany (N = 12) or teak (N = 12) planted from 1941 until 2003 in Yogyakarta, Indonesia. Understory vegetation of these areas were compared with that of three native forests....

Data from: Impact of a recolonizing, cross-border carnivore population on ungulate harvest in Scandinavia

Camilla Wikenros, Håkan Sand, Johan Månsson, Erling Maartmann, Petter Wabakken & Barbara Zimmermann
Predation from large carnivores and human harvest are the two main mortality factors affecting the dynamics of many ungulate populations. We examined long-term moose (Alces alces) harvest data from two countries that share cross-border populations of wolves (Canis lupus) and their main prey moose. We tested how a spatial gradient of increasing wolf territory density affected moose harvest density and age and sex composition of the harvested animals (n = 549,310), along a latitudinal gradient...

Of wolves and bears: Seasonal drivers of interference and exploitation competition between apex predators

Aimee Tallian, Andrés Ordiz, Matthew Metz, Barbara Zimmermann, Camilla Wikenros, Douglas Smith, Daniel Stahler, Petter Wabakken, Jon Swenson, Håkan Sand & Jonas Kindberg
Competition between apex predators can alter the strength of top-down forcing, yet we know little about the behavioral mechanisms that drive competition in multipredator ecosystems. Interactions between predators can be synergistic (facilitative) or antagonistic (inhibitive), both of which are widespread in nature, vary in strength between species and across space and time, and affect predation patterns and predator-prey dynamics. Recent research suggests gray wolf (Canis lupus) kill rates decrease where they are sympatric with brown...

Data from: Integrated population models poorly estimate the demographic contribution of immigration

Matthieu Paquet, Jonas Knape, Debora Arlt, Pär Forslund, Tomas Pärt, Øystein Flagstad, Carl G. Jones, Malcolm A. C. Nicoll, Ken Norris, Josephine M. Pemberton, Håkan Sand, Linn Svensson, Vikash Tatayah, Petter Wabakken, Camilla Wikenros, Mikael Åkesson & Matthew Low
Estimating the contribution of demographic parameters to changes in population growth is essential for understanding why populations fluctuate. Integrated Population Models (IPMs) offer a possibility to estimate contributions of additional demographic parameters, for which no data have been explicitly collected: typically immigration. Such parametersare often subsequently highlighted as important drivers of population growth. Yet, accuracy in estimating their temporal variation, and consequently their contribution to changes in population growth rate, has not been investigated. To...

Declining survival rates of red foxes (Vulpes vulpes) during the first outbreak of sarcoptic mange in Sweden

Tomas Willebrand, Gustaf Samelius, Zea Walton, Morten Odden & Jan Englund
Rapid declines in red fox (Vulpes vulpes) populations have followed outbreaks of epizootic mange caused by the mite Sarcoptes scabiei. In Sweden, the first outbreak of sarcoptic mange started in 1977/78 and affected the whole country by 1984. Here we used data on number of harvested red foxes from Gävleborg county (18 199 km2) in Sweden between 1970 and 1994. We used data on the prevalence of sarcoptic mange in harvested red foxes from 1974...

Trust in researchers and researchers’ statements in large carnivore conservation

Kristin Mathiesen, Magnus Barmoen, Kim Magnus Bærum & Maria Johansson
Human-wildlife interactions occur when humans and wildlife overlap in the same landscapes. Due to the growing human population, the number of interactions will continue to increase, and in some cases, develop further into social conflicts. Conflicts may occur between people disagreeing about wildlife conservation or arguing over which wildlife management measures should be taken. Social conflicts between humans are based on different attitudes, values and land-use aspirations. The success of solving these social conflicts strongly...

Additional file 1 of Working with alcohol prevention in occupational health services: “knowing how” is more important than “knowing that” – the WIRUS OHS study

Mikkel Magnus Thørrisen, Talieh Sadeghi, Tore Bonsaksen, Ian D. Graham & Randi Wågø Aas
Additional file 1. Component structure and internal consistency for the alcohol knowledge items.

Additional file 1 of Psychometric validation of a chinese version of COVID-19 vaccine hesitancy scale: a cross-sectional study

Yiman Huang, Yijin Wu, Zhenwei Dai, Weijun Xiao, Hao Wang, Mingyu Si, Wenjun Wang, Xiaofen Gu, Li Ma, Li Li, Shaokai Zhang, Chunxia Yang, Yanqin Yu, Youlin Qiao & Xiaoyou Su
Additional file 1: COVID-19 Vaccine Hesitancy Scale Item Description.

Additional file 1 of The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study

Ingrid Egeland Christensen, Ingrid Jyssum, Anne Therese Tveter, Joseph Sexton, Trung T. Tran, Siri Mjaaland, Grete Birkeland Kro, Tore K. Kvien, David John Warren, Jørgen Jahnsen, Ludvig A. Munthe, Espen A. Haavardsholm, John Torgils Vaage, Gunnveig Grødeland, Fridtjof Lund-Johansen, Kristin Kaasen Jørgensen, Silje Watterdal Syversen, Guro Løvik Goll & Sella Aarrestad Provan
Additional file 1: Section 1. Inclusion and Exclusion Criteria. Section 2. Supplementary Figures S1-S4. Fig. S1. Flow-chart of analyses population. Fig. S2. Margins plot of the estimated 30 days reduction at different intervals between first and second serum assessment. Fig. S3. Scatter plot of antibody levels and timing of blood sampling. Fig. S4. Levels of anti-RBD antibodies at first and second assessment across diagnoses. Section 3. Supplementary Tables S1-S5. Table S1. Predictors of anti-RBD level...

Morphological specificity analysis of an image-based 3D model of airway filling in a difficult airway

Wendong Chen, Li Ma, Jianlin Shao, Chun Bi, Yuchen Xie & Shuangyan Zhao
Abstract Background The purpose of this study was to analyze position-specific morphological changes of the upper airway and to further assess the impact of these changes in difficult airway during intubation. Methods This observational comparative study included two groups (n = 20 patients/group): Group A had normal airway and Group B had difficult airway. Data obtained from two-dimensional magnetic resonance imaging were imported to Mimics V20.0 software for processing. We then reconstructed three-dimensional models of...

Antibiotic use in children under 5 years of age in Northern Tanzania: a qualitative study exploring the experiences of the caring mothers

Matilda Emgård, Rose Mwangi, Celina Mayo, Ester Mshana, Gertrud Nkini, Rune Andersson, Margret Lepp, Susann Skovbjerg & Florida Muro
Abstract Background Antimicrobial resistance is a serious threat to the global achievements in child health thus far. Previous studies have found high use of antibiotics in children in Northern Tanzania, but the experiences of the primary care-givers, who play a key role in accessing and administering antibiotics for the sick child, have remained largely unknown. Therefore, the aim of this study was to understand mothers’ conceptions of antibiotic use in their children, which is of...

Data from: Competition between apex predators? Brown bears decrease wolf kill rate on two continents

Aimee Tallian, Andres Ordiz, Matthew C. Metz, Cyril Milleret, Camilla Wikenros, Douglas W. Smith, Daniel R. Stahler, Jonas Kindberg, Daniel R. MacNulty, Petter Wabakken, Jon E. Swenson & Håkan Sand
Trophic interactions are a fundamental topic in ecology, but we know little about how competition between apex predators affects predation, the mechanism driving top-down forcing in ecosystems. We used long-term datasets from Scandinavia (Europe) and Yellowstone National Park (North America) to evaluate how grey wolf (Canis lupus) kill rate was affected by a sympatric apex predator, the brown bear (Ursus arctos). We used kill interval (i.e. the number of days between consecutive ungulate kills) as...

Data from: No place like home? A test of the natal habitat-biased dispersal hypothesis in Scandinavian wolves

Ana Sanz Pérez, Andres Ordiz, Håkan Sand, Jon Swenson, Petter Wabakken, Camilla Wikenros, Barbara Zimmermann, Mikael Åkesson & Cyril Milleret
Natal dispersal is an important mechanism for the viability of populations. The influence of local conditions or experience gained in the natal habitat could improve fitness if dispersing individuals settle in an area with similar habitat characteristics. This process, defined as “natal habitat-biased dispersal” (NHBD), has been used to explain distribution patterns in large carnivores, but actual studies evaluating it are rare. We tested whether gray wolf Canis lupus territory establishment was influenced by the...

Scavenger community structure along an environmental gradient from boreal forest to alpine tundra in Scandinavia

Gjermund Gomo, Lars Rød-Eriksen, Harry P. Andreassen, Jenny Mattisson, Morten Odden, Olivier Devineau & Nina E. Eide
Scavengers can have strong impacts on food webs, and awareness of their role in ecosystems have increased during the last decades. In our study, we used baited camera traps to quantify the structure of the winter scavenger community in central Scandinavia across a forest-alpine continuum and assess how climatic conditions affected spatial patterns of species occurrences. Canonical correspondence analysis revealed that the main habitat type (forest or alpine tundra) and snow depth were main determinants...

A brain and a head for a different habitat: size variation in four morphs of Arctic charr (Salvelinus alpinus (L.)) in a deep oligotrophic lake

Ana Peris, Olivier Devineau, Kim Præbel, Kimmo K. Kahilainen & Kjartan Østbye
Adaptive radiation is the diversification of species to different ecological niches and has repeatedly occurred in different salmonid fish of postglacial lakes. In Lake Tinnsjøen, one of the largest and deepest lakes in Norway, the salmonid fish, Arctic charr (Salvelinus alpinus (L.)), has likely radiated within 9700 years after deglaciation into ecologically and genetically segregated Piscivore, Planktivore, Dwarf and Abyssal morphs in the pelagial, littoral, shallow-moderate profundal and deep-profundal habitats. We compared trait variation in...

Environmental and anthropogenic features in relation to human hunting and wolf predation risk

Giorgia Ausilio, Camilla Wikenros, Håkan Sand, Petter Wabakken, Ane Eriksen & Barbara Zimmermann
Landscape characteristics, seasonal changes in the environment, and daylight conditions influence space use and detection of prey and predators, resulting in spatiotemporal patterns of predation risk for the prey. When predators have different hunting modes, the combined effects of multiple predators are mediated by the physical landscape and can result in overlapping or contrasting patterns of predation risk. Humans have become super predators in many anthropogenic landscapes by harvesting games species and competing with large...

Additional file 1 of Tannin coordinated nanozyme composite-based hybrid hydrogel eye drops for prophylactic treatment of multidrug-resistant Pseudomonas aeruginosa keratitis

Hongwei Wang, Fangying Song, Jing Feng, Xia Qi, Li Ma, Lixin Xie, Weiyun Shi & Qingjun Zhou
Additional file 1: Figure S1. SEM of TCNH. Figure S2. EDS of TCN. Figure S3. Optimization of the H2O2 and TCNH concentrations. Figure S4. In vitro antibacterial activity of TCNH against MDR P. aeruginosa (20059, 21173, 21715). Representative photographs of bacterial colonies after intervened by saline, H2O2, TCNH, and TCNH+H2O2. Figure S5. Immunostaining analysis of macrophages and neutrophils in mouse corneas after saline, H2O2, TCNH, and TCNH+H2O2 interventions. Figure S6. In vivo antibacterial activities of...

Evolutionary analysis of MIR156/157 family during floral induction in walnut (Juglans regia L.)

Xing Yuan, Jianxin Niu, Li Zhou, Shaowen Quan, Li Ma & Hang Xu
The miR156/157 family is widely identified in various plant species and plays important regulatory roles in floral induction and stress response. However, information regarding evolution of miR156/157s and their functions during floral induction in walnut (Juglans regia) remains unknown. In this study, four precursors and four mature miR156/157s were identified in J. regia via small RNA sequencing. We constructed phylogenetic trees for precursor sequences of miR156/157s from different plants, as well as J. regia. The...

Multimodality treatment for brain arteriovenous malformation in Mainland China: design, rationale, and baseline patient characteristics of a nationwide multicenter prospective registry

Yu Chen, Heze Han, Li Ma, Ruinan Li, Zhipeng Li, Debin Yan, Haibin Zhang, Kexin Yuan, Ke Wang, Yang Zhao, Yukun Zhang, Weitao Jin, Runting Li, Fa Lin, Xiangyu Meng, Qiang Hao, Hao Wang, Xun Ye, Shuai Kang, Hengwei Jin, Youxiang Li, Dezhi Gao, Shibin Sun, Ali Liu, Shuo Wang … & Yuanli Zhao
Abstract Background Brain arteriovenous malformation (AVM) is an important cause of hemorrhagic stroke in young adults, which can lead to severe neurological impairment. The registry of Multimodality treatment for brain ArTeriovenous malformation in mainland CHina (MATCH) is a national prospective registry to identify the natural history of AVMs in Asian population; to investigate traditional and emerging hemorrhagic predictors; and to explore the superiority of the multidisciplinary assessment in improving the long-term outcomes. Methods Consecutive AVM...

The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study

Ingrid Egeland Christensen, Ingrid Jyssum, Anne Therese Tveter, Joseph Sexton, Trung T. Tran, Siri Mjaaland, Grete Birkeland Kro, Tore K. Kvien, David John Warren, Jørgen Jahnsen, Ludvig A. Munthe, Espen A. Haavardsholm, John Torgils Vaage, Gunnveig Grødeland, Fridtjof Lund-Johansen, Kristin Kaasen Jørgensen, Silje Watterdal Syversen, Guro Løvik Goll & Sella Aarrestad Provan
Abstract Background The durability of vaccine-induced humoral immunity against SARS-CoV-2 in patients with immune-mediated inflammatory diseases (IMIDs) on immunosuppressive therapy is not known. The aim of this study was to compare the persistence of anti-Spike antibodies following two-dose SARS-CoV-2 vaccination between IMID patients and healthy controls and to identify factors associated with antibody decline. Methods IMID patients on immunosuppressive medication enrolled in the prospective observational Nor-vaC study were included. Participants received two-dose SARS-CoV-2 vaccination. Serum...

The persistence of anti-Spike antibodies following two SARS-CoV-2 vaccine doses in patients on immunosuppressive therapy compared to healthy controls—a prospective cohort study

Ingrid Egeland Christensen, Ingrid Jyssum, Anne Therese Tveter, Joseph Sexton, Trung T. Tran, Siri Mjaaland, Grete Birkeland Kro, Tore K. Kvien, David John Warren, Jørgen Jahnsen, Ludvig A. Munthe, Espen A. Haavardsholm, John Torgils Vaage, Gunnveig Grødeland, Fridtjof Lund-Johansen, Kristin Kaasen Jørgensen, Silje Watterdal Syversen, Guro Løvik Goll & Sella Aarrestad Provan
Abstract Background The durability of vaccine-induced humoral immunity against SARS-CoV-2 in patients with immune-mediated inflammatory diseases (IMIDs) on immunosuppressive therapy is not known. The aim of this study was to compare the persistence of anti-Spike antibodies following two-dose SARS-CoV-2 vaccination between IMID patients and healthy controls and to identify factors associated with antibody decline. Methods IMID patients on immunosuppressive medication enrolled in the prospective observational Nor-vaC study were included. Participants received two-dose SARS-CoV-2 vaccination. Serum...

Additional file 1 of Psychometric validation of a chinese version of COVID-19 vaccine hesitancy scale: a cross-sectional study

Yiman Huang, Yijin Wu, Zhenwei Dai, Weijun Xiao, Hao Wang, Mingyu Si, Wenjun Wang, Xiaofen Gu, Li Ma, Li Li, Shaokai Zhang, Chunxia Yang, Yanqin Yu, Youlin Qiao & Xiaoyou Su
Additional file 1: COVID-19 Vaccine Hesitancy Scale Item Description.

Psychometric validation of a chinese version of COVID-19 vaccine hesitancy scale: a cross-sectional study

Yiman Huang, Yijin Wu, Zhenwei Dai, Weijun Xiao, Hao Wang, Mingyu Si, Wenjun Wang, Xiaofen Gu, Li Ma, Li Li, Shaokai Zhang, Chunxia Yang, Yanqin Yu, Youlin Qiao & Xiaoyou Su
Abstract Background COVID-19 vaccines have been administered in many countries; however, a sufficient vaccine coverage rate is not guaranteed due to vaccine hesitancy. To improve the uptake rate of COVID-19 vaccine, it is essential to evaluate the rate of vaccine hesitancy and explore relevant factors in different populations. An urgent need is to measure COVID-19 vaccine hesitancy among different population groups, hence a validated scale for measuring COVID-19 vaccine hesitancy is necessary. The present study...

Diversification of phenolic glucosides by two UDP-glucosyltransferases featuring complementary regioselectivity

Fei Guo, Xingwang Zhang, Cai You, Chengjie Zhang, Fengwei Li, Nan Li, Yuwei Xia, Mingyu Liu, Zetian Qiu, Xianliang Zheng, Li Ma, Gang Zhang, Lianzhong Luo, Fei Cao, Yingang Feng, Guang-Rong Zhao, Wei Zhang, Shengying Li & Lei Du
Abstract Background Glucoside natural products have been showing great medicinal values and potentials. However, the production of glucosides by plant extraction, chemical synthesis, and traditional biotransformation is insufficient to meet the fast-growing pharmaceutical demands. Microbial synthetic biology offers promising strategies for synthesis and diversification of plant glycosides. Results In this study, the two efficient UDP-glucosyltransferases (UGTs) (UGT85A1 and RrUGT3) of plant origin, that are capable of recognizing phenolic aglycons, are characterized in vitro. The two...

Diversification of phenolic glucosides by two UDP-glucosyltransferases featuring complementary regioselectivity

Fei Guo, Xingwang Zhang, Cai You, Chengjie Zhang, Fengwei Li, Nan Li, Yuwei Xia, Mingyu Liu, Zetian Qiu, Xianliang Zheng, Li Ma, Gang Zhang, Lianzhong Luo, Fei Cao, Yingang Feng, Guang-Rong Zhao, Wei Zhang, Shengying Li & Lei Du
Abstract Background Glucoside natural products have been showing great medicinal values and potentials. However, the production of glucosides by plant extraction, chemical synthesis, and traditional biotransformation is insufficient to meet the fast-growing pharmaceutical demands. Microbial synthetic biology offers promising strategies for synthesis and diversification of plant glycosides. Results In this study, the two efficient UDP-glucosyltransferases (UGTs) (UGT85A1 and RrUGT3) of plant origin, that are capable of recognizing phenolic aglycons, are characterized in vitro. The two...

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  • Inland Norway University of Applied Sciences
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  • Guangzhou Women and Children Medical Center
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  • Guangxi University
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  • First Affiliated Hospital of Chongqing Medical University
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  • Sichuan Agricultural University
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  • Second Affiliated Hospital of Xi'an Jiaotong University
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  • University of Maryland, College Park
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  • Dalian Medical University
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