100,584 results match your criteria Ecological applications : a publication of the Ecological Society of America[Journal]


Using A Developmental Ecology Framework to Align Fear Neurobiology Across Species.

Annu Rev Clin Psychol 2019 Feb 20. Epub 2019 Feb 20.

Department of Psychology, Columbia University, New York, NY 10027, USA; email: , , ,

Children's development is largely dependent on caregiving; when caregiving is disrupted, children are at increased risk for numerous poor outcomes, in particular psychopathology. Therefore, determining how caregivers regulate children's affective neurobiology is essential for understanding psychopathology etiology and prevention. Much of the research on affective functioning uses fear learning to map maturation trajectories, with both rodent and human studies contributing knowledge. Read More

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http://dx.doi.org/10.1146/annurev-clinpsy-050718-095727DOI Listing
February 2019

A Molecular View of Plant Local Adaptation: Incorporating Stress-Response Networks.

Annu Rev Plant Biol 2019 Feb 20. Epub 2019 Feb 20.

Department of Plant Biology, Michigan State University, East Lansing, Michigan 48824, USA; email:

Ecological specialization in plants occurs primarily through local adaptation to different environments. Local adaptation is widely thought to result in costly fitness trade-offs that result in maladaptation to alternative environments. However, recent studies suggest that such trade-offs are not universal. Read More

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http://dx.doi.org/10.1146/annurev-arplant-050718-100114DOI Listing
February 2019

Concurrent Proteomic Fingerprinting and Molecular Analysis Of Cyathostomins.

Proteomics 2019 Feb 20:e1800290. Epub 2019 Feb 20.

Institute for Parasitology and Tropical Veterinary Medicine, Department of Veterinary Medicine, Freie Universität Berlin, Germany.

Rapid, cost-effective, efficient and reliable helminth species identification is of considerable importance to understand host-parasite interactions, clinical disease and drug resistance. Cyathostomins (Nematoda: Strongylidae) are considered to be the most important equine parasites, yet research on this group has been hampered by the large number of 50 morphologically differentiated species, their occurrence in mixed infections with up to 15 species and the difficulties associated with conventional identification methods. Here, MALDI-TOF MS, previously successfully applied to identify numerous organisms, was evaluated and compared with conventional and molecular genetic approaches. Read More

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http://dx.doi.org/10.1002/pmic.201800290DOI Listing
February 2019

Recent drought and tree mortality effects on the avian community in southern Sierra Nevada: a glimpse of the future?

Ecol Appl 2019 Feb 20:e01848. Epub 2019 Feb 20.

Point Blue Conservation Science, 3820 Cypress Drive, #11, Petaluma, California, 94954, USA.

Birds respond rapidly to changes in both habitat and climate conditions and thus are good indicators of the ecological effects of a changing climate, which may include warmer temperatures, changing habitat conditions, and increased frequency and magnitude of extreme events like drought. We investigated how a widespread tree mortality event concurrent with a severe drought influenced the avian community of the Sierra Nevada mountain range in California. We assessed and compared the separate effects of climate stresses and altered habitat conditions on the avian community and used this information to evaluate the changes that are likely to occur in the near future. Read More

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http://dx.doi.org/10.1002/eap.1848DOI Listing
February 2019

Moderate fire severity is best for the diversity of most of the pollinator guilds in Mediterranean pine forests.

Ecology 2019 Feb 20:e02615. Epub 2019 Feb 20.

Laboratory of Biogeography & Ecology, Department of Geography, University of the Aegean, Mytilene, 81100, Greece.

Fire, a frequent disturbance in the Mediterranean, affects pollinator communities. We explored the response of major pollinator guilds to fire severity, across a fire-severity gradient at different spatial scales. We show that the abundance of all pollinator groups responded to fire severity, and that bees and beetles showed in addition a significant species-diversity response. Read More

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http://dx.doi.org/10.1002/ecy.2615DOI Listing
February 2019

Biological soil crusts inhibit seed germination in a temperate pine barren ecosystem.

PLoS One 2019 20;14(2):e0212466. Epub 2019 Feb 20.

Department of Biological Sciences, Union College, Schenectady, New York, United States of America.

Biological soil crusts (BSCs) are known to affect plants' germination and seedling establishment in arid ecosystems, but their ecological role in more mesic climates is not so well-known. We tested the effects of moss-crusted versus uncrusted soils on seed germination dynamics in a temperate pine barren ecosystem. We conducted a 35-day laboratory assay of seed germination on moss-crusted soils versus uncrusted soils from the Albany (NY) Pine Bush Preserve. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0212466PLOS
February 2019

Soil health pilot study in England: Outcomes from an on-farm earthworm survey.

PLoS One 2019 20;14(2):e0203909. Epub 2019 Feb 20.

Sustainable Agricultural Systems Department, Rothamsted Research, Harpenden, United Kingdom.

Earthworms are primary candidates for national soil health monitoring as they are ecosystem engineers that benefit both food production and ecosystem services associated with soil security. Supporting farmers to monitor soil health could help to achieve the policy aspiration of sustainable soils by 2030 in England; however, little is known about how to overcome participation barriers, appropriate methodologies (practical, cost-effective, usefulness) or training needs. This paper presents the results from a pilot #60minworms study which mobilised farmers to assess over >1300 ha farmland soils in spring 2018. Read More

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http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0203909PLOS
February 2019

Secondary contact between diverged host lineages entails ecological speciation in a European hantavirus.

PLoS Biol 2019 Feb 20;17(2):e3000142. Epub 2019 Feb 20.

Institute of Ecology and Evolution, University of Bern, Switzerland.

The diversity of viruses probably exceeds biodiversity of eukaryotes, but little is known about the origin and emergence of novel virus species. Experimentation and disease outbreak investigations have allowed the characterization of rapid molecular virus adaptation. However, the processes leading to the establishment of functionally distinct virus taxa in nature remain obscure. Read More

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http://dx.doi.org/10.1371/journal.pbio.3000142DOI Listing
February 2019

Spatial analysis of intentional homicides in João Pessoa, Paraíba, Brazil, 2011-2016.

Epidemiol Serv Saude 2019 Feb 18;28(1):e2018184. Epub 2019 Feb 18.

Secretaria de Estado de Segurança Pública e Defesa Social da Paraíba, Assessoria de Ações Estratégicas, João Pessoa, PB, Brasil.

Objective: to describe spatial patterns of intentional homicides in João Pessoa, Paraíba, Brazil, 2011-2016.

Methods: this was an ecological study using census tracts as units of analysis; the study used data on intentional homicides of victims living in João Pessoa obtained by cross-checking Mortality Information System SIM information with Public Security information; mortality coefficients were calculated for the whole period and its triennia and were later smoothed using the local empirical Bayesian method; spatial autocorrelation techniques were applied to the smoothed coefficients which were using Moran's spatial statistics.

Results: significant spatial autocorrelation was detected for the period as a whole I=0. Read More

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http://dx.doi.org/10.5123/S1679-49742019000100003DOI Listing
February 2019

Trend of hospitalizations and mortality from surgical causes in Brazil, 2008 to 2016.

Rev Col Bras Cir 2019 Feb 18;46(1):e1979. Epub 2019 Feb 18.

Universidade Estadual de Maringá, Programa de Pós-Graduação em Enfermagem, Maringá, PR, Brasil.

Objective: to evaluate the trend of hospitalazions for surgical procedures and surgical mortality in Brazil, from 2008 to 2016.

Methods: we conducted an ecological, time-series study. We obtained the data on surgical hospitalizations and mortality between 2008 and 2016 from the Department of Informatics of the Unified Health System (SUS). Read More

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http://dx.doi.org/10.1590/0100-6991e-20191979DOI Listing
February 2019

[Mortality due to cerebrovascular disease among the elderly and vaccination against influenza: São Paulo State, Brazil, 1980-2012].

Cad Saude Publica 2019 Feb 18;35(2):e00145117. Epub 2019 Feb 18.

Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas, Brasil.

This study describes the trend of the coefficients of mortality due to cerebrovascular diseases (CbVD) among the elderly in São Paulo State, Brazil, from 1980 to 2012, before and after influenza vaccination campaigns, and identifies change points. It is an ecological, time-series study carried out with death data from the Health Ministry's Mortality Information System and population data from the Brazilian Institute of Geography and Statistics. We used linear, polynomial and joinpoint regression models in the data analysis. Read More

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http://dx.doi.org/10.1590/0102-311X00145117DOI Listing
February 2019

Mobile Phone and Wearable Sensor-Based mHealth Approaches for Psychiatric Disorders and Symptoms: Systematic Review.

JMIR Ment Health 2019 Feb 20;6(2):e9819. Epub 2019 Feb 20.

Ab.Acus srl, Milano, Italy.

Background: Mobile Therapeutic Attention for Patients with Treatment-Resistant Schizophrenia (m-RESIST) is an EU Horizon 2020-funded project aimed at designing and validating an innovative therapeutic program for treatment-resistant schizophrenia. The program exploits information from mobile phones and wearable sensors for behavioral tracking to support intervention administration.

Objective: To systematically review original studies on sensor-based mHealth apps aimed at uncovering associations between sensor data and symptoms of psychiatric disorders in order to support the m-RESIST approach to assess effectiveness of behavioral monitoring in therapy. Read More

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http://dx.doi.org/10.2196/mental.9819DOI Listing
February 2019

Fructose as an additional co-metabolite promotes refractory dye degradation: Performance and mechanism.

Bioresour Technol 2019 Feb 10;280:430-440. Epub 2019 Feb 10.

Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China; Institute of Biosciences, Freiberg University of Mining and Technology, Freiberg 09599, Germany; Biofilm Centre, University Duisburg-Essen, Essen, Germany.

In this work, the performance and mechanism for the boosting effects of fructose as an additional co-metabolite towards the biological treatment of reactive black 5 were systematically investigated. A decolorization efficiency of 98% was obtained in sample FRU200 (with 3 g/L fructose added based on 3 g/L yeast extract), which was 21% higher than that without fructose. Several intermediates with low molecular weight generated in sample FRU200 and different metabolic pathways were deduced. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S09608524193024
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http://dx.doi.org/10.1016/j.biortech.2019.02.046DOI Listing
February 2019
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Land use model research in agro-pastoral ecotone in northern China: A case study of Horqin Left Back Banner.

J Environ Manage 2019 Feb 19;237:139-146. Epub 2019 Feb 19.

College of Land Science and Technology, China Agricultural University, Beijing, 100193, China.

The agro-pastoral ecotone in northern China is an ecological fragile region, where desertification is a prominent problem and mainly induced by extensive cultivation. The typical topography of the area is dune-interdune. The irrational land use model of dune-interdune should be investigated to benefit crop production and anti-desertification. Read More

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http://dx.doi.org/10.1016/j.jenvman.2019.02.046DOI Listing
February 2019

Scavenging as a pathway for plastic ingestion by marine animals.

Environ Pollut 2019 Feb 5;248:159-165. Epub 2019 Feb 5.

Instituto de Ciências Biológicas e da Saúde, Universidade Federal de Alagoas, Maceió, AL, Brazil. Electronic address:

Plastic pollution is prevalent worldwide and affects marine wildlife from urbanized beaches to pristine oceanic islands. However, the ecological basis and mechanisms that result in marine animal ingestion of plastic debris are still relatively unknown, despite recent advances. We investigated the relationship between scavenging behavior and plastic ingestion using green turtles, Chelonia mydas, as a model. Read More

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http://dx.doi.org/10.1016/j.envpol.2019.02.010DOI Listing
February 2019

Chemical speciation, pollution and ecological risk of toxic metals in readily washed off road dust in a megacity (Nanjing), China.

Ecotoxicol Environ Saf 2019 Feb 20;173:381-392. Epub 2019 Feb 20.

College of Geography and Environment, Shandong Normal University, Ji'nan, PR China. Electronic address:

Pollution of potentially toxic metals (PTMs) in road dust (RD) is becoming an important threat to the urban environmental quality and human health. The chemical speciation of PTMs is an important index charactering the risks, which may also closely relate to the pollution level and source but it was poorly understood. In this study, the chemical speciation of Cd, Cr, Cu, Ni, Pb and Zn in the RD of a megacity (Nanjing), China was determined following an optimized BCR (proposed by the European Community Bureau of Reference) sequential extraction procedure to assess their pollution and potential eco-risk and to explore the variations of metal chemical speciation with the pollution levels and sources. Read More

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http://dx.doi.org/10.1016/j.ecoenv.2019.02.019DOI Listing
February 2019

Transfer and biological effects of arsenate from soil through a plant-aphid system to the parasitoid wasp, Aphidius colemani.

Ecotoxicol Environ Saf 2019 Feb 18;173:305-313. Epub 2019 Feb 18.

Department of Environmental Science and Ecological Engineering, Korea University, Seoul 02841, Republic of Korea. Electronic address:

The accumulation of metalloid elements during transfer from contaminated soil to higher trophic levels may potentially result in the exposure of parasitic arthropods to toxic concentrations of these elements. This study examined the transfer of arsenate (As(V)) to aphids (Myzus persicae) from pepper plants cultivated in As(V) contaminated soils of two concentrations (2 and 6 mg As(V)/kg dry soil), and the subsequent biological effects on the aphid parasitoid, Aphidius colemani. Results showed that considerable quantities of As(V) were transferred to the plant in a concentration-dependent manner and were partitioned in the plant parts in the order of roots > stems > leaves. Read More

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http://dx.doi.org/10.1016/j.ecoenv.2019.02.039DOI Listing
February 2019

Application of common duckweed (Lemna minor) in phytoremediation of chemicals in the environment: State and future perspective.

Chemosphere 2019 Feb 7;223:285-309. Epub 2019 Feb 7.

Department of Plant Science & Biotechnology, Faculty of Science, University of Port Harcourt, Choba, Rivers State, Nigeria.

Over the past 50 years, different strategies have been developed for the remediation of polluted air, land and water. Driven by public opinion and regulatory bottlenecks, ecological based strategies are preferable than conventional methods in the treatments of chemical effluents. Ecological systems with the application of microbes, fungi, earthworms, plants, enzymes, electrode and nanoparticles have been applied to varying degrees in different media for the remediation of various categories of pollutants. Read More

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http://dx.doi.org/10.1016/j.chemosphere.2019.02.025DOI Listing
February 2019

Fractionation and identification of iron-phosphorus compounds in sewage sludge.

Chemosphere 2019 Feb 12;223:250-256. Epub 2019 Feb 12.

State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, PR China. Electronic address:

Iron (Fe) salts are widely used to remove phosphorus (P) in wastewater treatment plants (WWTPs). Understanding the existing species of iron-phosphorus compounds (FePs) in sludge is conducive to P recovery. In this study, the chemical equilibrium modeling software, sequential chemical extraction methods and instrumental analytical techniques were used to establish a reliable method for fractionation and identification of FePs in sewage sludge. Read More

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https://linkinghub.elsevier.com/retrieve/pii/S00456535193026
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http://dx.doi.org/10.1016/j.chemosphere.2019.02.052DOI Listing
February 2019
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Assessment of bacterial communities in Cu-contaminated soil immobilized by a one-time application of micro-/nano-hydroxyapatite and phytoremediation for 3 years.

Chemosphere 2019 Feb 11;223:240-249. Epub 2019 Feb 11.

Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Science, Nanjing, 210008, China; National Engineering and Technology Research Center for Red Soil Improvement, Red Soil Ecological Experiment Station, Chinese Academy of Sciences, Liujiazhan Plantation, Yingtan, 335211, China; Jiangxi Engineering Research Center of Eco-Remediation of Heavy Metal Pollution, Jiangxi Academy of Science, Nanchang, 330096, China. Electronic address:

Heavy metals contamination of soil has been considered as a global environmental problem, and consequently various soil amendments have been widely used in immobilization. Previous studies have reported that micro-/nano-hydroxyapatite (MHA/NHA) as a novel chemical material could alleviate soil acidity and reduce the bioavailability of heavy metals. However, the mechanism of soil microorganism responding to the application of MHA/NHA is little studied. Read More

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http://dx.doi.org/10.1016/j.chemosphere.2019.02.049DOI Listing
February 2019

Heavy metal contamination assessment of surface sediments of the Subei Shoal, China: Spatial distribution, source apportionment and ecological risk.

Chemosphere 2019 Feb 13;223:211-222. Epub 2019 Feb 13.

Department of Marine Technology, School of Marine and Biological Engineering, Yancheng Institute of Technology, Yancheng, 224051, Province Jiangsu, China. Electronic address:

This study investigated heavy metals (Ni, Zn, Cr, Cu, As, Pb, Cd and Hg) concentrations in surface sediment of Subei Shoal, China, to illustrate their spatial distribution characteristics, sources and potential ecological risk of pollution. Contents of total organic carbon (TOC), clay, silt and sand were 1.7 ± 0. Read More

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http://dx.doi.org/10.1016/j.chemosphere.2019.02.058DOI Listing
February 2019

Effect of temperature on survival and cuticular composition of three different ant species.

J Therm Biol 2019 Feb 2;80:178-189. Epub 2019 Feb 2.

Centro de Estudos em Recursos Naturais (CERNA), Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul, Dourados, Mato Grosso do Sul 79804-970, Brazil. Electronic address:

Climatic factors, such as temperature variation, interfere with the survival of insects. To respond to these variations, insects have some specific characteristics. These include water content of the body, thickness of the lipid layer, as well as the qualitative and quantitative characteristics of cuticular chemical components. Read More

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http://dx.doi.org/10.1016/j.jtherbio.2019.02.005DOI Listing
February 2019

Heat-hardening effects on mating success at high temperature in Drosophila melanogaster.

J Therm Biol 2019 Feb 2;80:172-177. Epub 2019 Feb 2.

Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Ecología, Genética y Evolución, Buenos Aires, Argentina; CONICET, Universidad de Buenos Aires, Instituto de Ecología, Genética y Evolución (IEGEBA), Buenos Aires, Argentina. Electronic address:

Reproduction is strongly influenced by environmental temperature in insects. At high temperature, mating success could be influenced not only by basal (non-inducible) thermotolerance but also by inducible plastic responses. Here, mating success at high temperature was tested in flies carrying contrasting genotypes of heat resistance in Drosophila melanogaster. Read More

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http://dx.doi.org/10.1016/j.jtherbio.2019.02.001DOI Listing
February 2019

Thermogenic capacity in subterranean Ctenomys: Species-specific role of thermogenic mechanisms.

J Therm Biol 2019 Feb 1;80:164-171. Epub 2019 Feb 1.

Laboratorio de Ecología Fisiológica y del Comportamiento, Instituto de Investigaciones Marinas y Costeras (IIMyC), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET) - Universidad Nacional de Mar del Plata (UNMdP), Mar del Plata CC1245, Argentina.

One way to understand ecological patterns of species is to determine their physiological diversity on a large geographic and/or temporal scales, in a context of hierarchical biodiversity framework. In particular, macrophysiological studies analyze how environmental factors affect the physiology and therefore the distribution of species. Subterranean species are an excellent model for evaluating the large-scale effects of ambient temperature (T) conditions on thermal physiology and distribution, due to their extensive use of burrows that provide a relatively thermal stable environment. Read More

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http://dx.doi.org/10.1016/j.jtherbio.2019.01.012DOI Listing
February 2019

Repeatability of thermal reaction norms for spontaneous locomotor activity in juvenile newts.

J Therm Biol 2019 Feb 16;80:126-132. Epub 2019 Jan 16.

Institute of Vertebrate Biology of the Academy of Sciences of the Czech Republic, Květná 8, 60365 Brno, Czech Republic. Electronic address:

Locomotor activity is a major attribute of animals. Although this trait determines important ecological processes, such as dispersal and species interactions, the sources of its variation are not fully understood. We examined the influence of body temperature (13, 18, 23, and 28 °C) and individual identity on spontaneous locomotor activity in juvenile alpine newts, Ichthyosaura alpestris, over three consecutive weeks. Read More

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http://dx.doi.org/10.1016/j.jtherbio.2019.01.010DOI Listing
February 2019

Corrigendum to "Comparative study of carbonic anhydrase activity in waters among different geological eco-environments of Yangtze River basin and its ecological significance" [J. Environ. Sci. 66 (2018) 173-181].

J Environ Sci (China) 2019 May;79:369-370

Institute of Resource Biology and Biotechnology, Department of biotechnology, College of Life Science & Technology, Huazhong University of Science & Technology, Wuhan 430074, China.

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http://dx.doi.org/10.1016/j.jes.2019.02.007DOI Listing

Soil contamination with antibiotics in a typical peri-urban area in eastern China: Seasonal variation, risk assessment, and microbial responses.

J Environ Sci (China) 2019 May 13;79:200-212. Epub 2018 Dec 13.

Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, Zhoushan Municipal Center For Disease Control and Prevention, Zhoushan 316021, China.

The prevalence and persistence of antibiotics in soils has become an emerging environmental issue and an increasing threat to soil security and global public health. The problem is more severe in areas undergoing rapid urbanization; however, the ecological risks of antibiotics, seasonal variability, and associated soil microbial responses in peri-urban soils have not been well-explored. The seasonal soil sampling campaigns were conducted in a typical peri-urban watershed in eastern China to investigate distribution of antibiotics. Read More

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http://dx.doi.org/10.1016/j.jes.2018.11.024DOI Listing

Hierarchical Ag-SiO@FeO magnetic composites for elemental mercury removal from non-ferrous metal smelting flue gas.

J Environ Sci (China) 2019 May 1;79:111-120. Epub 2018 Dec 1.

College of Resources and Environmental Science, Ningxia University, Yinchuan 750021, China.

Hierarchical Ag-SiO@FeO magnetic composites were selected for elemental mercury (Hg) removal from non-ferrous metal smelting flue gas in this study. Results showed that the hierarchical Ag-SiO@FeO magnetic composites had favorable Hg removal ability at low temperature. Moreover, the adsorption capacity of hierarchical magnetic composite is much larger than that of pure FeO and SiO@FeO. Read More

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http://dx.doi.org/10.1016/j.jes.2018.11.014DOI Listing

Seasonal trend of Anisakidae infestation in South Mediterranean bluefish.

Nat Prod Res 2019 Feb 20:1-4. Epub 2019 Feb 20.

a Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri" , Palermo , Italy.

A total of 1104 fish samples from markets of Sicily were analysed for the detection and species identification of Anisakidae nematodes. The preliminary analysis of the fish samples showed the presence of 2459 larvae. All the fish species revealed different prevalence of infestation, with a maximum of 100% for Lepidopus caudatus and a minimum of 4. Read More

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http://dx.doi.org/10.1080/14786419.2019.1573232DOI Listing
February 2019

Pollution assessment and spatial distribution of roadside agricultural soils: a case study from India.

Int J Environ Health Res 2019 Feb 20:1-14. Epub 2019 Feb 20.

a Department of Botany , DAV University , Jalandhar , India.

The present work studied the pH, organic carbon, phosphorus (P), calcium (Ca), magnesium (Mg), and heavy metals Cu, Cr, Co and Pb in roadside agricultural soils of Jalandhar environs of Punjab, India. A total of 120 samples in triplicates were collected from different sites for assessment of heavy metal pollution. The mean values of Cu, Cr, Co and Pb were found below the permissible limits of Indian and Swedish soil limits. Read More

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http://dx.doi.org/10.1080/09603123.2019.1578865DOI Listing
February 2019

Assessment of the water resource carrying capacity based on the ecological footprint: a case study in Zhangjiakou City, North China.

Environ Sci Pollut Res Int 2019 Feb 20. Epub 2019 Feb 20.

River and Coastal Environment Research Center, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China.

With the rapid economic development in the past decades, industrialization and urbanization in China has also rapidly developed and will continue in the next decades. However, the regional water shortage has posed great challenges for the sustainable development of big cities especially in north China. Here, we used the water ecological footprint model combined with the system dynamic model to assess the water resource carrying capacity and its sustainability in Zhangjiakou City, a typical water shortage city in north China. Read More

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http://dx.doi.org/10.1007/s11356-019-04414-9DOI Listing
February 2019

Assessment of the impact of heavy metals in sediments along the Spanish Mediterranean coastline: pollution indices.

Environ Sci Pollut Res Int 2019 Feb 19. Epub 2019 Feb 19.

CALAGUA-Unidad Mixta UV-UPV, Institut Universitari d'Investigació d'Enginyeria de l'Aigua i Medi Ambient-IIAMA, Universitat Politècnica de València, Camí de Vera s/n, 46022, Valencia, Spain.

A comprehensive study was carried out to evaluate the occurrence, significance of concentrations and spatial distribution of heavy metals (Cr, Cd, Ni, Cu, Pb, Hg, Zn and As) in sediments along the Valencia coastline (Spain). The sampling campaign covered 476 km of the coastline in a 4-year period. The highest concentrations of metals in the sediments were mainly Cr, Ni, Zn and Cd (up to 28. Read More

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http://dx.doi.org/10.1007/s11356-019-04485-8DOI Listing
February 2019

Assessment of heavy metal pollution in water and surface sediment and evaluation of ecological risks associated with sediment contamination in the Ganga River: a basin-scale study.

Environ Sci Pollut Res Int 2019 Feb 19. Epub 2019 Feb 19.

Ganga River Ecology Research Laboratory, Environmental Science Division, Centre of Advanced Study in Botany, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.

We investigated eight heavy metals (Cr, Cd, Cu, Ni, Pb, Zn, Mn, and Fe) in water and bed sediment at 9 study sites along with 2320 km stretch of the Ganga River. Principal component analysis (PCA) and indices such as geo-accumulation index (I), contamination factor (CF), enrichment factor (EF), pollution indices, and sediment quality guidelines were used to assess source apportionment and magnitude of contamination. Concentrations of Cr, Cd, Pb, Ni, Cu, and Fe in water have exceeded their respective standards in the middle and lower reaches of the river. Read More

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http://dx.doi.org/10.1007/s11356-019-04495-6DOI Listing
February 2019

Using ecological niche models to describe the geographical distribution of the myiasis-causing Cochliomyia hominivorax (Diptera: Calliphoridae) in southern South America.

Parasitol Res 2019 Feb 19. Epub 2019 Feb 19.

Museo Argentino de Ciencias Naturales "Bernardino Rivadavia", Consejo Nacional de Investigaciones Científicas y Técnicas, Av. Angel Gallardo 470, C1405DJR, Buenos Aires, Argentina.

In southern South America, namely Argentina and Chile, Cochliomyia hominivorax (Coquerel) is the main myiasic agent on humans and domestic animals. The distribution pattern of the species is poorly known and the southern limit of its geographic distribution is unclear. The aims of this study are to elucidate the basic environmental factors associated with occurrence of this myiasic species, evaluation of models constructed on the basis of occurrence data based on adult specimen records to predict geographic occurrence of myiasis, evaluation of unsurveyed sites of high potential of occurrence of the species, and recognition and prioritization of areas that need medical control and specific prophylaxis practices related to this pest. Read More

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http://dx.doi.org/10.1007/s00436-019-06267-0DOI Listing
February 2019

Bacterial community pattern along the sediment seafloor of the Arctic fjorden (Kongsfjorden, Svalbard).

Antonie Van Leeuwenhoek 2019 Feb 19. Epub 2019 Feb 19.

Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China.

The Arctic region has been the focus of increasing attention as an ecosystem that is highly sensitive to changes associated with global warming. Although it was assumed to be vulnerable to changes in climate, a limited number of studies have been conducted on the surface sediment bacteria of Arctic fjorden. This study assessed the diversity and distribution pattern of bacterial communities in eight marine sediments along the seafloor in a high Arctic fjorden (Kongsfjorden, Svalbard). Read More

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http://dx.doi.org/10.1007/s10482-019-01245-zDOI Listing
February 2019

Variety Is the Spice of Late Life: Social Integration and Daily Activity.

J Gerontol B Psychol Sci Soc Sci 2019 Jan 18. Epub 2019 Jan 18.

Department of Sociology and Population Research Center, The University of Texas at Austin.

Objectives: Social integration (involvement with a diverse array of social ties) has been linked to positive outcomes including better physical health. Research has not investigated whether encounters with diverse social ties enhance individuals' daily behaviors. The objectives of this study were to assess whether social ties connect individuals to more diverse daily behaviors, physical activity, and nonsedentary time as well as more positive mood. Read More

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http://dx.doi.org/10.1093/geronb/gbz007DOI Listing
January 2019

Biodiversity and temporal patterns of macrozoobenthos in a coal mining subsidence area in North China.

PeerJ 2019 15;7:e6456. Epub 2019 Feb 15.

Chongqing University, State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing, China.

Coal resources play a strategic role in the long-term development of China. Large-scale mining has a considerable impact on the landscape, and it is a long-term heritage of industrialization unique to the Anthropocene. We investigated the macrozoobenthos and water in nine mining subsidence wetlands at different developmental stages (3-20 years) in North China. Read More

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http://dx.doi.org/10.7717/peerj.6456DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6378915PMC
February 2019

Embracing heterogeneity: coalescing the Tree of Life and the future of phylogenomics.

PeerJ 2019 14;7:e6399. Epub 2019 Feb 14.

Department of Organismic and Evolutionary Biology, Museum of Comparative Zoology, Harvard University, Cambridge, MA, USA.

Building the Tree of Life (ToL) is a major challenge of modern biology, requiring advances in cyberinfrastructure, data collection, theory, and more. Here, we argue that phylogenomics stands to benefit by embracing the many heterogeneous genomic signals emerging from the first decade of large-scale phylogenetic analysis spawned by high-throughput sequencing (HTS). Such signals include those most commonly encountered in phylogenomic datasets, such as incomplete lineage sorting, but also those reticulate processes emerging with greater frequency, such as recombination and introgression. Read More

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https://peerj.com/articles/6399
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http://dx.doi.org/10.7717/peerj.6399DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6378093PMC
February 2019
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Dynamic multi-species occupancy models reveal individualistic habitat preferences in a high-altitude grassland bird community.

PeerJ 2019 15;7:e6276. Epub 2019 Feb 15.

Department of Statistical Sciences, Statistics in Ecology, Environment and Conservation, University of Cape Town, Cape Town, South Africa.

Moist, high-altitude grasslands of eastern South African harbour rich avian diversity and endemism. This area is also threatened by increasingly intensive agriculture and land conversion for energy production. This conflict is particularly evident at Ingula, an Important Bird and Biodiversity Area located within the least conserved high-altitude grasslands and which is also the site of a new Pumped Storage Scheme. Read More

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http://dx.doi.org/10.7717/peerj.6276DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6378914PMC
February 2019

Amino acids as wetting agents: surface translocation by Porphyromonas gingivalis.

ISME J 2019 Feb 19. Epub 2019 Feb 19.

Department of Oral Biology, College of Dentistry, University of Florida, Gainesville, FL, 32610, USA.

Our understanding of how oral microbiota adapt in response to changes in their surroundings remains limited. This is particularly true of the slow-growing anaerobes that persist below the gum line. Here, we report that the oral anaerobe Porphyromonas gingivalis strain 381 can surface translocate when sandwiched between two surfaces. Read More

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http://dx.doi.org/10.1038/s41396-019-0360-9DOI Listing
February 2019

Shrub establishment favoured and grass dominance reduced in acid heath grassland systems cleared of invasive Rhododendron ponticum.

Sci Rep 2019 Feb 19;9(1):2239. Epub 2019 Feb 19.

IBERS, Aberystwyth University, Penglais Campus, Aberystwyth, Ceredigion, SY23 3DA, UK.

Rhododendron ponticum L. is a damaging invasive alien species in Britain, favouring the moist, temperate climate, and the acidic soils of upland areas. It outshades other species and is thought to create a soil environment of low pH that may be higher in phytotoxic phenolic compounds. Read More

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http://dx.doi.org/10.1038/s41598-019-38573-zDOI Listing
February 2019

An integrative database of β-lactamase enzymes: sequences, structures, functions and phylogenetic trees.

Antimicrob Agents Chemother 2019 Feb 19. Epub 2019 Feb 19.

Aix Marseille Univ, IRD, APHM, MEPHI, IHU-Méditerranée Infection, Marseille, France

Beta-lactamase enzymes have attracted substential medical attention from researchers and clinicians because of their clinical, ecological, and evolutionary interest. Here, we present an online comprehensive database of β-lactamase enzymes. The current database is manually curated and incorporates the primary amino acid sequences, closest structural information in the external structure database (Protein Data Bank) and the functional profiles and phylogenetic trees of the four molecular classes (A, B, C, and D) of β-lactamases. Read More

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http://dx.doi.org/10.1128/AAC.02319-18DOI Listing
February 2019
4.476 Impact Factor

HORYZONS trial: protocol for a randomised controlled trial of a moderated online social therapy to maintain treatment effects from first-episode psychosis services.

BMJ Open 2019 Feb 19;9(2):e024104. Epub 2019 Feb 19.

School of Behavioural and Health Sciences, Australian Catholic University, Melbourne, Victoria, Australia.

Introduction: Specialised early intervention services have demonstrated improved outcomes in first-episode psychosis (FEP); however, clinical gains may not be sustained after patients are transferred to regular care. Moreover, many patients with FEP remain socially isolated with poor functional outcomes. To address this, our multidisciplinary team has developed a moderated online social media therapy (HORYZONS) designed to enhance social functioning and maintain clinical gains from specialist FEP services. Read More

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http://dx.doi.org/10.1136/bmjopen-2018-024104DOI Listing
February 2019

Form and function of F-actin during biomineralization revealed from live experiments on foraminifera.

Proc Natl Acad Sci U S A 2019 Feb 19. Epub 2019 Feb 19.

Burgers' Ocean, Royal Burgers' Zoo, 6816 SH Arnhem, The Netherlands.

Although the emergence of complex biomineralized forms has been investigated for over a century, still little is known on how single cells control morphology of skeletal structures, such as frustules, shells, spicules, or scales. We have run experiments on the shell formation in foraminifera, unicellular, mainly marine organisms that can build shells by successive additions of chambers. We used live imaging to discover that all stages of chamber/shell formation are controlled by dedicated actin-driven pseudopodial structures. Read More

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http://dx.doi.org/10.1073/pnas.1810394116DOI Listing
February 2019

Correction: .

Authors:

BMJ Open 2019 Jan 29;9(1):e024489corr1. Epub 2019 Jan 29.

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http://dx.doi.org/10.1136/bmjopen-2018-024489corr1DOI Listing
January 2019

Development and validation protocol for an instrument to measure household water insecurity across cultures and ecologies: the Household Water InSecurity Experiences (HWISE) Scale.

BMJ Open 2019 Jan 17;9(1):e023558. Epub 2019 Jan 17.

School of Human Evolution and Social Change, Arizona State University, Tempe, Arizona, USA.

Introduction: A wide range of water-related problems contribute to the global burden of disease. Despite the many plausible consequences for health and well-being, there is no validated tool to measure individual- or household-level water insecurity equivalently across varying cultural and ecological settings. Accordingly, we are developing the Household Water Insecurity Experiences (HWISE) Scale to measure household-level water insecurity in multiple contexts. Read More

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http://dx.doi.org/10.1136/bmjopen-2018-023558DOI Listing
January 2019

Evolutionary Model of Cluster Divergence of the Emergent Marine Pathogen : From Genotype to Ecotype.

MBio 2019 Feb 19;10(1). Epub 2019 Feb 19.

Burnett School of Biomedical Sciences, College of Medicine, University of Central Florida, Orlando, Florida, USA

, an opportunistic pathogen, is the causative agent of a life-threatening septicemia and a rising problem for aquaculture worldwide. The genetic factors that differentiate its clinical and environmental strains remain enigmatic. Furthermore, clinical strains have emerged from every clade of In this work, we investigated the underlying genomic properties and population dynamics of the species from an evolutionary and ecological point of view. Read More

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http://dx.doi.org/10.1128/mBio.02852-18DOI Listing
February 2019

Fitness Cost of Aflatoxin Production in Aspergillus flavus When Competing with Soil Microbes Could Maintain Balancing Selection.

MBio 2019 Feb 19;10(1). Epub 2019 Feb 19.

School of Integrative Plant Science, Plant Pathology and Plant-Microbe Biology Section, Cornell University, Ithaca, New York, USA.

Selective forces that maintain the polymorphism for aflatoxigenic and nonaflatoxigenic individuals of are largely unknown. As soils are widely considered the natural habitat of , we hypothesized that aflatoxin production would confer a fitness advantage in the soil environment. To test this hypothesis, we used DNA quantified by quantitative PCR (qPCR) as a proxy for fitness of aflatoxigenic and nonaflatoxigenic field isolates grown in soil microcosms. Read More

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http://dx.doi.org/10.1128/mBio.02782-18DOI Listing
February 2019