Global mapping of potential natural vegetation: an assessment of machine learning algorithms for estimating land potential.

abstract：:We investigate the survivorship, growth and diet preferences of hatchery-raised juvenile urchins, Tripneustes gratilla, to evaluate the efficacy of their use as biocontrol agents in the efforts to reduce alien invasive algae. In flow-through tanks, we measured urchin growth rates, feeding rates and feeding preferences...

journal_title：PeerJ

authors： Westbrook CE,Ringang RR,Cantero SM,HDAR & TNC Urchin Team.,Toonen RJ

更新日期：2015-09-15 00:00:00

abstract：:This article aimed to give the visibility of Latin American researchers' contributions to the comprehension of COVID-19; our method was a literature review. Currently, the world is facing a health and socioeconomic crisis caused by the novel coronavirus, SARS-CoV-2, and its disease COVID-19. Therefore, in less than 4 ...

journal_title：PeerJ

authors： Fiesco-Sepúlveda KY,Serrano-Bermúdez LM

更新日期：2020-06-04 00:00:00

abstract：:Elucidating the molecular mechanism of helix-coil transitions of short peptides is a long-standing conundrum in physical chemistry. Although the helix-coil transitions of poly-glutamic acid (PGA) have been extensively studied, the molecular details of its unfolding process still remain unclear. We performed all-atom c...

journal_title：PeerJ

authors： Ogasawara N,Kasahara K,Iwai R,Takahashi T

更新日期：2018-05-15 00:00:00

abstract：:The emergence of herbicide-resistant weeds is a major threat facing modern agriculture. Over 470 weedy-plant populations have developed resistance to herbicides. Traditional evolutionary mechanisms are not always sufficient to explain the rapidity with which certain weed populations adapt in response to herbicide expo...

journal_title：PeerJ

authors： Kim G,Clarke CR,Larose H,Tran HT,Haak DC,Zhang L,Askew S,Barney J,Westwood JH

更新日期：2017-07-20 00:00:00

abstract：Background:Extensive genome rearrangements, known as chromothripsis, have been recently identified in several cancer types. Chromothripsis leads to complex structural variants (cSVs) causing aberrant gene expression and the formation of de novo fusion genes, which can trigger cancer development, or worsen its clinical ...

journal_title：PeerJ

authors： Hynst J,Plevova K,Radova L,Bystry V,Pal K,Pospisilova S

更新日期：2019-06-12 00:00:00

abstract：Background:The mangrove crab Ucides cordatus is considered a key species for the ecological balance of mangrove forests and a major source of employment and income for traditional crab collectors in Brazil. Several studies evidenced weak genetic variation among populations due to an efficient larval transport. However,...

journal_title：PeerJ

authors： Britto FB,Schmidt AJ,Carvalho AMF,Vasconcelos CCMP,Farias AM,Bentzen P,Diniz FM

更新日期：2018-04-30 00:00:00

abstract：BACKGROUND:VSEARCH is an open source and free of charge multithreaded 64-bit tool for processing and preparing metagenomics, genomics and population genomics nucleotide sequence data. It is designed as an alternative to the widely used USEARCH tool (Edgar, 2010) for which the source code is not publicly available, algo...

journal_title：PeerJ

authors： Rognes T,Flouri T,Nichols B,Quince C,Mahé F

更新日期：2016-10-18 00:00:00

abstract：:Wildlife biologists often use grid-based designs to sample animals and generate abundance estimates. Although sampling in grids is theoretically sound, in application, the method can be logistically difficult and expensive when sampling elusive species inhabiting extensive areas. These factors make it challenging to s...

journal_title：PeerJ

authors： Harris G,Farley S,Russell GJ,Butler MJ,Selinger J

更新日期：2013-12-17 00:00:00

abstract：:Amyotrophic lateral sclerosis (ALS) and frontotemporal dementia (FTD), two late onset neurodegenerative diseases, have been shown to share overlapping cellular pathologies and genetic origins. Studies suggest that a hexanucleotide repeat expansion in the first intron of the C9orf72 gene is the most common cause of fam...

journal_title：PeerJ

authors： Iyer S,Subramanian V,Acharya KR

更新日期：2018-10-17 00:00:00

abstract：Background:Experiencing an adequate amount of cold temperatures over winter is necessary for many temperate tree species to break dormancy and flower in spring. Thus, changes in winter and spring temperatures associated with climate change may influence when trees break dormancy and flower in the future. There have bee...

journal_title：PeerJ

authors： Prevéy JS,Harrington CA

更新日期：2018-09-25 00:00:00

abstract：:A phylogenetic taxonomy of species in the Cyrtodactylus peguensis group from the Ayeyarwady Basin of Myanmar is constructed based on color pattern, morphology, and molecular systematic analyses using the mitochondrial gene NADH dehydrogenase subunit 2. Newly collected samples from the type locality of C. peguensis and...

journal_title：PeerJ

authors： Grismer LL,Wood PL Jr,Quah ESH,Murdoch ML,Grismer MS,Herr MW,Espinoza RE,Brown RM,Lin A

更新日期：2018-09-19 00:00:00

abstract：:The first plants related to the ferns are represented by several extinct groups that emerged during the Devonian. Among them, the iridopterids are closely allied to the sphenopsids, a group represented today by the genus Equisetum. They have been documented in Middle to early Late Devonian deposits of Laurussia and th...

journal_title：PeerJ

authors： Champreux A,Meyer-Berthaud B,Decombeix AL

更新日期：2020-06-16 00:00:00

abstract：:The prevalence of pre-diabetes (PD) among US adults has increased substantially over the past two decades. By current estimates, over 34% of US adults fall in the PD category, 84% of whom meet the American Diabetes Association's criteria for impaired fasting glucose (IFG). Low physical activity (PA) and/or sedentary b...

journal_title：PeerJ

authors： Farni K,Shoham DA,Cao G,Luke AH,Layden J,Cooper RS,Dugas LR

更新日期：2014-08-19 00:00:00

abstract：Background:High heel shoes (HHS) can affect human postural control because elevated heel height (HH) may result in plantar flexed foot and limit ankle joint range of motion during walking. Effects of HH and HHS wearing experience on postural stability during self-initiated and externally triggered perturbations are les...

journal_title：PeerJ

authors： Chen Y,Li JX,Wang L

更新日期：2020-10-28 00:00:00

abstract：:Background. Physical activity is important for children's physical, mental, and social well-being. Outdoor active play is an important yet unstudied domain of children's physical activity. The objective of this study was to determine if parental encouragement is associated with the frequency that children engage in ou...

journal_title：PeerJ

authors： Ferrao T,Janssen I

更新日期：2015-11-30 00:00:00

abstract：Background:The body of literature regarding the associations between physical activity and psychological problems lacks consensus. Moreover, the role of gender has been scarcely investigated. The present study sought to fill the gap in the data by examining the associations, if any, between moderate-to-vigorous physica...

journal_title：PeerJ

authors： Liu M,Zhang J,Kamper-DeMarco KE,Hu E,Yao S

更新日期：2020-03-25 00:00:00

abstract：:The objectives of this experiment were to determine the effects of graded dietary lead (Pb) concentrations on body weight and Pb concentrations in blood, hair, soft tissues, and urine from pigs and to generate equations for estimating daily Pb intake. Sixteen barrows with initial body weight 36.3 kg (standard deviatio...

journal_title：PeerJ

authors： Reddy KE,Park KR,Lee SD,Yoo JH,Son AR,Lee HJ

更新日期：2017-11-01 00:00:00

abstract：:Flies use specialized photoreceptors R7 and R8 in the dorsal rim area (DRA) to detect skylight polarization. R7 and R8 form a tiered waveguide (central rhabdomere pair, CRP) with R7 on top, filtering light delivered to R8. We examine how the division of a given resource, CRP length, between R7 and R8 affects their abi...

journal_title：PeerJ

authors： Heras FJ,Laughlin SB

更新日期：2017-01-12 00:00:00

abstract：OBJECTIVE:To determine the profile of 14 polybrominated diphenyl ethers (PBDEs) and 23 polychlorinated biphenyls (PCBs) in serum of domestic canines and whether this was predictive of thyroid hormone status. SAMPLES:Serum samples were collected from 51 client-owned dogs visiting the University of California Davis Will...

journal_title：PeerJ

authors： Lau G,Walter K,Kass P,Puschner B

更新日期：2017-09-12 00:00:00

abstract：:The aim of this study was the characterization of fatty acids, antioxidant activity, some physical properties, nutrient content, sugars, and minerals in the pulp and seeds of the date cultivar 'Medjool' (Phoenix dactylifera L.) grown in Mexico. The samples were obtained at maturity (Tamar) in the 2017 harvest season i...

journal_title：PeerJ

authors： Salomón-Torres R,Ortiz-Uribe N,Valdez-Salas B,Rosas-González N,García-González C,Chávez D,Córdova-Guerrero I,Díaz-Rubio L,Haro-Vázquez MDP,Mijangos-Montiel JL,Morales-Maza A,Mahadevan P,Krueger R

更新日期：2019-07-17 00:00:00

abstract：:Science communication is seen as critical for the disciplines of ecology and conservation, where research products are often used to shape policy and decision making. Scientists are increasing their online media communication, via social media and news. Such media engagement has been thought to influence or predict tr...

journal_title：PeerJ

authors： Lamb CT,Gilbert SL,Ford AT

更新日期：2018-04-12 00:00:00

abstract：:Neurons are embedded in an extracellular matrix (ECM), which functions both as a scaffold and as a regulator of neuronal function. The ECM is in turn dynamically altered through the action of serine proteases, which break down its constituents. This pathway has been implicated in the regulation of synaptic plasticity ...

journal_title：PeerJ

authors： Van De Vijver S,Missault S,Van Soom J,Van Der Veken P,Augustyns K,Joossens J,Dedeurwaerdere S,Giugliano M

更新日期：2019-04-23 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：:According to Spearman's law of diminishing returns (SLODR), IQ test scores are more g saturated among those with low, compared to those with high, ability. The present simulation shows that such difference in saturation can be observed if test scores are affected by a disturbing factor, for example, low motivation, il...

journal_title：PeerJ

authors： Sorjonen K,Melin B

更新日期：2020-07-03 00:00:00

abstract：BACKGROUND:Assessing psychological pain has been recommended as an integral part of a comprehensive suicide risk assessment. The Psychache Scale, an established measure of psychological pain, does not specify a time frame for when pain is experienced, which may inadvertently increase the likelihood of identifying indiv...

journal_title：PeerJ

authors： Meerwijk EL,Weiss SJ

更新日期：2017-06-22 00:00:00

abstract：:We describe a new iguanodontian ornithopod, Choyrodon barsboldi gen. et sp. nov. from the Albian-aged Khuren Dukh Formation of Mongolia based on several partial skeletons interpreted to represent a subadult growth stage based on osteohistological features. This new taxon is diagnosed by many autapomorphies of the maxi...

journal_title：PeerJ

authors： Gates TA,Tsogtbaatar K,Zanno LE,Chinzorig T,Watabe M

更新日期：2018-08-03 00:00:00

abstract：:A fundamental question in ecology is how the success of a taxon changes through time and what drives this change. This question is commonly approached using trajectories averaged over a group of taxa. Using results from probability theory, we show analytically and using examples that averaged trajectories will be more...

journal_title：PeerJ

authors： Hohmann N,Jarochowska E

更新日期：2019-11-06 00:00:00

abstract：:Transmissible gastroenteritis virus (TGEV), belonging to the coronaviridae family, is the key cause of the fatal diarrhea of piglets and results in many pathological processes. microRNAs (miRNAs) play a key role in the regulation of virus-induced apoptosis. During the process of apoptosis induced by TGEV infection in ...

journal_title：PeerJ

authors： Zhao X,Song X,Bai X,Fei N,Huang Y,Zhao Z,Du Q,Zhang H,Zhang L,Tong D

更新日期：2016-02-04 00:00:00

abstract：:We investigated population dynamics, breeding pairs, breeding habitat selection, nest density, distance between neighboring nests, nest survival, reproductive success, and recruitment rate for Black-necked Cranes (BNC, Grus nigricollis) during 2013-2015 in Yanchiwan National Nature Reserve (YCW), Gansu, China. Numbers...

journal_title：PeerJ

authors： Zhang L,An B,Shu M,Yang X

更新日期：2017-01-31 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