Development of a noninvasive photograph-based method for the evaluation of body condition in free-ranging brown bears.

abstract：:Chronostratigraphic correlation of terrestrial Early Cretaceous biotas in China is highly problematic due to the lack of marine deposits, few absolute dates, and limited number of index fossils. This often leaves vertebrate faunas as one of the few potential tools for a preliminary biostratigraphy. Taxonomic identity ...

journal_title：PeerJ

authors： Li DQ,Zhou CF,Li L,Yang JT,Li L,Rabi M

更新日期：2019-01-15 00:00:00

abstract：:Dung beetles of the subfamily Scarabaeinae are widely recognised as important providers of multiple ecosystem services and are currently experiencing revisions that have improved our understanding of higher-level relationships in the subfamily. However, the study of phylogenetic relationships at the level of genus or ...

journal_title：PeerJ

authors： Pardo-Diaz C,Lopera Toro A,Peña Tovar SA,Sarmiento-Garcés R,Sanchez Herrera M,Salazar C

更新日期：2019-08-05 00:00:00

abstract：:The main objective of this research was to test central assumptions from the Self-centeredness/Selflessness Happiness Model. According to this model, while self-centered psychological functioning induces fluctuating happiness, authentic-durable happiness results from selflessness. Distinct mediating processes are supp...

journal_title：PeerJ

authors： Dambrun M

更新日期：2017-05-11 00:00:00

abstract：:Background. Nasal continuous positive airway pressure (nCPAP) is a widely accepted technique of non-invasive respiratory support in premature infants with respiratory distress syndrome due to lack of lung surfactant. If this approach fails, the next step is often intubation, mechanical ventilation (MV) and intratrache...

journal_title：PeerJ

authors： Walther FJ,Hernández-Juviel JM,Waring AJ

更新日期：2014-05-27 00:00:00

abstract：Background:Stoichiometric relations drive powerful constraints in several fundamental ecosystem processes. However, limited studies have been conducted on the ecological stoichiometry of plants after the change of community composition induced by Stellera chamaejasme removal in alpine grassland in the Qinghai-Tibetan P...

journal_title：PeerJ

authors： Song M,Wang Y,Bao G,Wang H,Yin Y,Li X,Zhang C

更新日期：2020-06-23 00:00:00

abstract：:According to the intelligence-creativity threshold hypothesis, there should be a positive association between intelligence and creative potential up to a certain point, the threshold, after which a further increase in intelligence should have no association with creativity. In the present simulation study, the measure...

journal_title：PeerJ

authors： Sorjonen K,Ingre M,Melin B

更新日期：2019-10-21 00:00:00

abstract：Background:Adnexal torsion is a gynecologic emergency that requires surgical treatment. In this study, we reviewed the surgical outcomes of women with adnexal torsion in eastern Taiwan (Hualien county, area 4,629 km2, 330,000 residents). Methods:This retrospective study included 42 women diagnosed with surgically-prov...

journal_title：PeerJ

authors： Huang C,Hong MK,Chu TY,Ding DC

更新日期：2018-12-04 00:00:00

abstract：Background:Yunnanolepidoids constitute either the most basal consecutive segments or the most primitive clade of antiarchs, a highly diversified jawed vertebrate group from the Silurian and Early Devonian periods. Although the general morphology of yunnanolepidoids is well established, their endocranial features remain...

journal_title：PeerJ

authors： Wang Y,Zhu M

更新日期：2018-05-28 00:00:00

abstract：:The presence of fatigue has been shown to modify running biomechanics. Overall in terms of gender, women are at lower risk than men for sustaining running-related injuries, although it depends on the factors taken into account. One possible reason for these differences in the injury rate and location might be the diss...

journal_title：PeerJ

authors： Bazuelo-Ruiz B,Durá-Gil JV,Palomares N,Medina E,Llana-Belloch S

更新日期：2018-03-20 00:00:00

abstract：:Palythoa caribaeorum is a zoanthid often dominant in shallow rocky environments along the west coast of the Atlantic Ocean, from the tropics to the subtropics. This species has high environmental tolerance and is a good space competitor in reef environments. Considering current and future scenarios in the global clima...

journal_title：PeerJ

authors： Durante LM,Cruz ICS,Lotufo TMC

更新日期：2018-05-17 00:00:00

abstract：:Bacterial vaginosis (BV) is one of most common vaginal infections. However, its diagnosis by classical methods reveals low specificity. Our goal was to evaluate the accuracy diagnosis of 150 vaginal samples with research gold standard methods and our Peptide Nucleic Acid (PNA) probes by Fluorescence in situ Hybridizat...

journal_title：PeerJ

authors： Machado A,Castro J,Cereija T,Almeida C,Cerca N

更新日期：2015-02-17 00:00:00

abstract：:Aerosol optical depth (AOD) is a key parameter that reflects aerosol characteristics. However, research on the AOD of dust aerosols and various environmental variables is scarce. Therefore, we conducted in-depth studies on the distributions and variations of AOD in the Taklimakan Desert and its margins, China. We exam...

journal_title：PeerJ

authors： Li J,Ge X,He Q,Abbas A

更新日期：2021-01-05 00:00:00

abstract：Background:Dry eye disease (DED), a chronic ocular disease, is associated with numerous medical issues, including asthma. However, studies on these associations are limited. In this study, we investigated the incidence of DED among patients with asthma and its correlation with other allergic comorbidities. Methods:We ...

journal_title：PeerJ

authors： Huang YC,Chan WC,Wang JD,Fu LS,Tsan YT

更新日期：2018-12-05 00:00:00

abstract：:Stridulatory signals are involved in conspecific interactions between bark beetles (Coleoptera: Curculionidae, Scolytinae). In this study, we compared the qualitative profiles of acoustic signals in three species from the genus Polygraphus Er. Sympatry can be periodically observed in two of them -P. proximus and P. su...

journal_title：PeerJ

authors： Kerchev IA

更新日期：2020-01-02 00:00:00

abstract：Background:To reduce bird fatalities from millions of window collisions each year in North America, it is important to understand how design and landscape elements relate to collision risk. The current study extends prior research that found that buildings near ornamental pear trees (Prunus calleryana) and buildings wi...

journal_title：PeerJ

authors： Brown BB,Hunter L,Santos S

更新日期：2020-06-19 00:00:00

abstract：:Sex determination and sex chromosomes can be very diverse between teleost species. The group of tilapias shows a polymorphism in sex determination not only between closely related species but also between domestic strains within a species. In the Nile tilapia, the major effect genes and therefore the Y chromosome have...

journal_title：PeerJ

authors： Sissao R,D'Cotta H,Baroiller JF,Toguyeni A

更新日期：2019-09-18 00:00:00

abstract：:In a number of recent studies we used computer modeling to investigate the evolution of muscle leverage (moment arms) and function in extant and extinct archosaur lineages (crocodilians, dinosaurs including birds and pterosaurs). These studies sought to quantify the level of disparity and convergence in muscle moment ...

journal_title：PeerJ

authors： Bates K,Maidment SC,Schachner ER,Barrett PM

更新日期：2015-10-08 00:00:00

abstract：:Soil sickness is the progressive loss of soil quality due to continuous monocropping. The bacterial populations are critical to sustaining agroecosystems, but their responses to long-term peanut monocropping have not been determined. In this study, based on a previously constructed gradient of continuous monocropped p...

journal_title：PeerJ

authors： Chen M,Liu H,Yu S,Wang M,Pan L,Chen N,Wang T,Chi X,Du B

更新日期：2020-04-28 00:00:00

abstract：BACKGROUND:Periodization is an important component of resistance training programs. It is meant to improve adherence to the training regimen, allow for constant progression, help in avoiding plateaus, and reduce occurrence and severity of injuries. Previous findings regarding the effects of different periodization mode...

journal_title：PeerJ

authors： Grgic J,Mikulic P,Podnar H,Pedisic Z

更新日期：2017-08-22 00:00:00

abstract：:Garden Warblers Sylvia borin were studied during autumn stopover in Crete before crossing the barrier of the Mediterranean Sea and the Sahara Desert. Birds followed with transmitters show extensive stopover periods, which were longer in first-year birds, 16 days, compared with adult birds, 14 days. The distribution of...

journal_title：PeerJ

authors： Barboutis C,Henshaw I,Kullberg C,Nikolopoulou S,Fransson T

更新日期：2014-03-25 00:00:00

abstract：:Rearing coral fragments in nurseries and subsequent transplantation onto a degraded reef is a common approach for coral reef restoration. However, if barnacles and other biofouling organisms are not removed prior to transplantation, fish will dislodge newly cemented corals when feeding on biofouling organisms. This be...

journal_title：PeerJ

authors： Frias-Torres S,van de Geer C

更新日期：2015-09-29 00:00:00

abstract：:Obesity is demonstrated to be a risk factor in the development of cancers of various organs, such as colon, prostate, pancreas and so on. Leptine (LEP) is the most renowned of the adipokines. As a hormone, it mediates its effect through leptin receptor (LEPR), which is widely expressed in various tissues including col...

journal_title：PeerJ

authors： Al-Shibli SM,Harun N,Ashour AE,Mohd Kasmuri MHB,Mizan S

更新日期：2019-10-02 00:00:00

abstract：:The structural and material properties of insect cuticle remain largely unexplored, even though they comprise the majority (approximately 80%) of animals. Insect cuticle serves many functions, including protection against predatory attacks, which is especially beneficial to species failing to employ effective running ...

journal_title：PeerJ

authors： Clark AJ,Triblehorn JD

更新日期：2014-07-31 00:00:00

abstract：:In species that live in one-male groups, resident males monopolize access to a group of females and are assumed to have higher reproductive success than bachelors. We tested this assumption using genetic, demographic, and behavioral data from 8 groups of wild blue monkeys observed over 10 years to quantify reproductio...

journal_title：PeerJ

authors： Roberts SJ,Cords M

更新日期：2015-06-23 00:00:00

abstract：:A range of diseases is associated with amyloid fibril formation. Despite different proteins being responsible for each disease, all of them share similar features including beta-sheet-rich secondary structure and fibril-like protein aggregates. A number of proteins can form amyloid-like fibrils in vitro, resembling st...

journal_title：PeerJ

authors： Šneideris T,Baranauskienė L,Cannon JG,Rutkienė R,Meškys R,Smirnovas V

更新日期：2015-09-24 00:00:00

abstract：:Permineralized peat from the central Transantarctic Mountains of Antarctica has provided a wealth of information on plant and fungal diversity in Middle Triassic high-latitude forest paleoecosystems; however, there are no reports as yet of algae or cyanobacteria. The first record of a fossil filamentous cyanobacterium...

journal_title：PeerJ

authors： Harper CJ,Taylor EL,Krings M

更新日期：2020-03-02 00:00:00

abstract：:Hydrozoa medusae undergo blooms and seasonal fluctuations; however the drivers of such fluctuations are unknown. To understand how medusa populations fluctuate in response to seasonal factors such as temperature, salinity, dissolved oxygen, and chlorophyll a, and to enhance our taxonomic knowledge of Hydrozoa in Galve...

journal_title：PeerJ

authors： Pruski S,Miglietta MP

更新日期：2019-10-08 00:00:00

abstract：:Understanding characteristics of torso motion and arm swing of older adults is important. A comprehensive database of three-dimensional thoracic and pelvic kinematics and arm swing maximum velocity of older adults during overground walking is still lacking. Moreover, the relationships between these variables are not f...

journal_title：PeerJ

authors： Fang X,Jiang Z

更新日期：2020-07-07 00:00:00

abstract：Background:During a preliminary study, effects of 0, 20, 40, and 60 mM NaCl salinity were assessed on germination rate in relation to electrolyte leakage (EL) in sweet pepper. Results explored significant rises in ethylene evolution from seeds having more EL. It was, therefore, hypothesized that excessive ethylene bios...

journal_title：PeerJ

authors： Ahmed W,Imran M,Yaseen M,Haq TU,Jamshaid MU,Rukh S,Ikram RM,Ali M,Ali A,Maqbool M,Arif M,Khan MA

更新日期：2020-03-27 00:00:00

abstract：:Lead (Pb) is a ubiquitous pollutant which poses serious threats to plants, animals and humans once entered into the food chain via contaminated industrial effluents on their discharge into the surface of water bodies and/or geological materials. This study aimed to examine and compare the biosorption potential of natu...

journal_title：PeerJ

authors： Shah GM,Nasir M,Imran M,Bakhat HF,Rabbani F,Sajjad M,Umer Farooq AB,Ahmad S,Song L

更新日期：2018-09-28 00:00:00