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https://www.readbyqxmd.com/read/28812622/species-rich-networks-and-eco-evolutionary-synthesis-at-the-metacommunity-level
#1
Hirokazu Toju, Masato Yamamichi, Paulo R Guimarães, Jens M Olesen, Akihiko Mougi, Takehito Yoshida, John N Thompson
Understanding how ecological and evolutionary processes interdependently structure biosphere dynamics is a major challenge in the era of worldwide ecosystem degradation. However, our knowledge of 'eco-evolutionary feedbacks' depends largely on findings from simple systems representing limited spatial scales and involving few species. Here we review recent conceptual developments for the understanding of multispecies coevolutionary processes and then discuss how new lines of concepts and methods will accelerate the integration of ecology and evolutionary biology...
January 24, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28812603/climate-change-upends-selection-on-ornamentation-in-a-wild-bird
#2
Simon R Evans, Lars Gustafsson
Secondary sexual traits have high heritabilities and are exposed to strong, environmentally sensitive selection, and so are expected to evolve rapidly in response to sustained environmental change. We examine the eco-evolutionary dynamics of ornament expression in a long-term study population of collared flycatchers, Ficedula albicollis, in which forehead patch size, which positively influences male reproductive success, declined markedly over 34 years. Annual fitness selection on forehead patch size switched from positive to negative during the study, a reversal that is accounted for by rising spring temperatures at the breeding site: highly ornamented males were selectively favoured following cold breeding seasons but selected against following warm breeding seasons...
January 23, 2017: Nature ecology & evolution
https://www.readbyqxmd.com/read/28811876/individual-quality-and-age-but-not-environmental-or-social-conditions-modulate-costs-of-reproduction-in-a-capital-breeder
#3
Lucie Debeffe, Jocelyn Poissant, Philip D McLoughlin
Costs associated with reproduction are widely known to play a role in the evolution of reproductive tactics with consequences to population and eco-evolutionary dynamics. Evaluating these costs as they pertain to species in the wild remains an important goal of evolutionary ecology. Individual heterogeneity, including differences in individual quality (i.e., among-individual differences in traits associated with survival and reproduction) or state, and variation in environmental and social conditions can modulate the costs of reproduction; however, few studies have considered effects of these factors simultaneously...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28811875/ecosystem-size-predicts-eco-morphological-variability-in-a-postglacial-diversification
#4
Hans Recknagel, Oliver E Hooker, Colin E Adams, Kathryn R Elmer
Identifying the processes by which new phenotypes and species emerge has been a long-standing effort in evolutionary biology. Young adaptive radiations provide a model to study patterns of morphological and ecological diversification in environmental context. Here, we use the recent radiation (ca. 12k years old) of the freshwater fish Arctic charr (Salvelinus alpinus) to identify abiotic and biotic environmental factors associated with adaptive morphological variation. Arctic charr are exceptionally diverse, and in postglacial lakes there is strong evidence of repeated parallel evolution of similar morphologies associated with foraging...
August 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28811606/identification-of-potential-impacts-of-climate-change-and-anthropogenic-activities-on-streamflow-alterations-in-the-tarim-river-basin-china
#5
Lianqing Xue, Fan Yang, Changbing Yang, Xinfang Chen, Luochen Zhang, Yixia Chi, Guang Yang
Understanding contributions of climate change and human activities to changes in streamflow is important for sustainable management of water resources in an arid area. This study presents quantitative analysis of climatic and anthropogenic factors to streamflow alteration in the Tarim River Basin (TRB) using the double mass curve method (DMC) and the Budyko methods. The time series (1960~2015) are divided into three periods: the prior impacted period (1960~1972) and the two post impacted periods, 1973~1986 and 1987~2015 with trend analysis...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28810222/bio-electro-oxidation-of-indigo-carmine-by-using-microporous-activated-carbon-fiber-felt-as-anode-and-bioreactor-support
#6
Luane Ferreira Garcia, Ana Claudia Rodrigues Siqueira, Germán Sanz Lobón, Jossano Saldanha Marcuzzo, Benevides Costa Pessela, Eduardo Mendez, Telma Alves Garcia, Eric de Souza Gil
The bioremediation and electro-oxidation (EO) processes are included among the most promising cleaning and decontamination mechanisms of water. The efficiency of bioremediation is dictated by the biological actuator for a specific substrate, its suitable immobilization and all involved biochemical concepts. The EO performance is defined by the anode efficiency to perform the complete mineralization of target compounds and is highlighted by the low or null use of reagent. Recently, the combination of both technologies has been proposed...
August 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28809480/rapid-life-cycle-impact-screening-using-artificial-neural-networks
#7
Runsheng Song, Arturo A Keller, Sangwon Suh
The number of chemicals in the market is rapidly increasing, while our understanding of the life-cycle impacts of these chemicals lags considerably. To address this, we developed deep Artificial Neural Network (ANN) models to estimate life-cycle impacts of chemicals. Using molecular structure information, we trained multilayer ANNs for life-cycle impacts of chemicals using six impact categories, including cumulative energy demand, global warming (IPCC 2007), acidification (TRACI), human health (Impact2000+), ecosystem quality (Impact2000+), and eco-indicator 99 (I,I, total)...
August 15, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28807297/cutaneous-leishmaniosis-in-naturally-infected-dogs-in-paran%C3%A3-brazil-and-the-epidemiological-implications-of-leishmania-viannia-braziliensis-detection-in-internal-organs-and-intact-skin
#8
Ellen de Souza Marquez, Edilene Alcântara de Castro, Luciene Biazono Nabut, Magda Clara Vieira da Costa-Ribeiro, Ludmilla Dela Coletta Troiano Araújo, Saloe Bispo Poubel, André Luiz Gonçalves, Mariza Fordellone Rosa Cruz, Ana Paula Millet Evangelista Dos Santos Trad, Rafael Andre Ferreira Dias, Italmar Teodorico Navarro, Vanete Thomaz-Soccol
Environmental changes have occurred over the years, altering the eco-epidemiological pattern of leishmaniosis in the State of Paraná, Brazil, involving the pillars of the cycle (parasite, vectors, reservoir, and environment) and their interaction. Much has been discussed about the dog's role as a reservoir of the Leishmania (Viannia) braziliensis Vianna, 1911 transmission cycle. However, this question remains unanswered. The purpose of this study was to investigate, using parasitological and molecular methods, different samples in eight naturally infected dogs from an endemic rural locality where only L...
August 30, 2017: Veterinary Parasitology
https://www.readbyqxmd.com/read/28806580/the-eco-toxic-effects-of-pesticide-and-heavy-metal-mixtures-towards-earthworms-in-soil
#9
REVIEW
Herman Uwizeyimana, Meie Wang, Weiping Chen, Kifayatullah Khan
Earthworms are the key soil organisms, contribute to many positive ecological services that could be degraded by pesticides and other soil pollutants such as heavy metals. Chemicals usually occur as mixtures in the environmental systems which can lead synergistic effects. The assessment and characterization of soil pollutants that effects risks are very difficult due to the complexity of soil matrix, poor understanding about the fate and effects of chemical combinations like pesticide and metal mixtures in terrestrial systems, and scarcity of toxicological data on mixtures of pollutants...
August 7, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28806547/environmental-life-cycle-assessment-of-seafood-production-a-case-study-of-trawler-catches-in-tunisia
#10
Khaled Abdou, Didier Gascuel, Joël Aubin, Mohamed Salah Romdhane, Frida Ben Rais Lasram, François Le Loc'h
The Gulf of Gabes is one of the most productive fishery areas in the southern Mediterranean Sea. It is archetypal of an ecosystem in which the effects of fisheries are most pronounced. Demersal trawling is the main fishing activity in the Gulf of Gabes. Life Cycle Assessment (LCA) was applied to assess the environmental performance landing 1t of seafood with wooden demersal trawlers in the Gulf of Gabes. Impact categories included in the study were abiotic depletion potential (ADP), acidification potential (AP), eutrophication potential (EP), global warming potential (GWP), ozone depletion potential (ODP), photochemical oxidant formation potential (POFP), human toxicity potential (HTP), marine eco-toxicity potential (METP), terrestrial eco-toxicity potential (TETP), land occupation potential (LOP), and total cumulative energy demand (TCED)...
August 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28805161/eco-friendly-and-biocompatible-crosslinked-carboxymethylcellulose-hydrogels-as-adsorbents-for-the-removal-of-organic-dye-pollutants-for-environmental-applications
#11
Nádia S V Capanema, Alexandra A P Mansur, Herman S Mansur, Anderson C de Jesus, Sandhra M Carvalho, Poliane Chagas, Luiz C de Oliveira
In this study new eco-friendly hydrogel adsorbents were synthesized based on carboxymethylcellulose (CMC, degree of substitution DS = 0.7) chemically crosslinked with citric acid (CA) using a green process in aqueous solution and applied for the adsorption of methylene blue (MB). Spectroscopic analyses demonstrated the mechanism of crosslinking through the reaction of hydroxyl functional groups from CMC with CA. These CMC hydrogels showed very distinct morphological features dependent on the extension of crosslinking and their nanomechanical properties were drastically increased by approximately 300% after crosslinking with 20% CA (e...
August 13, 2017: Environmental Technology
https://www.readbyqxmd.com/read/28803061/carbon-streaming-in-microalgae-extraction-and-analysis-methods-for-high-value-compounds
#12
REVIEW
G Venkata Subhash, Meghna Rajvanshi, B Navish Kumar, Sridharan Govindachary, Venkatesh Prasad, Santanu Dasgupta
There is a growing recognition that carbon-neutral biofuels and microalgae are eco-friendly options because of their high CO2 sequestering capability and ability to grow in wastewater/sea water and non-arable land. Also the intrinsic properties of microalgal systems can be exploited for high value compounds such as carbohydrates, lipids, pigments and proteins. This article provides a comprehensive review of various microalgae cultivation practices utilizing organic and inorganic carbon sources. The merits and demerits of the various extraction and analytical procedures have also been discussed in detail...
July 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28802990/spatio-temporal-variations-in-pm-leaf-deposition-a-meta-analysis
#13
REVIEW
Mengfan Cai, Zhongbao Xin, Xinxiao Yu
Particulate matter (PM) pollution in urban cities is of great concern for public health due to its global and adverse effect of human health while ecosystems function and vegetation control is an effective and eco-friendly way to alleviate PM pollution. We reviewed 150 studies conducted in 15 countries that were published between 1960 and 2016 and used a meta-analysis to examine the time trends and regional differences in leaf deposited PM of urban greening plants. The results suggested that the weekly PM leaf deposition varied markedly with both plant species and space-time and the average value was 1...
August 9, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28800874/the-synthesis-characterization-and-in-vivo-study-of-mineral-substituted-hydroxyapatite-for-prospective-bone-tissue-rejuvenation-applications
#14
Dharman Govindaraj, Mariappan Rajan, Murugan A Munusamy, Abdullah A Alarfaj, Kishor Kumar Sadasivuni, S Suresh Kumar
Minerals substituted apatite (M-HA) nanoparticles were prepared by the precipitation of minerals and phosphate reactants in choline chloride-Thiourea (ChCl-TU) deep eutectic solvent (DESs) as a facile and green way approach. After preparation of nanoparticles (F-M-HA (F=Fresh solvent)), the DESs was recovered productively and reprocess for the preparation of R-M-HA nanoparticles (R=Recycle solvent).The functional groups, phase, surface texture and the elemental composition of the M-HA nanoparticles were evaluated by advance characterization methods...
August 8, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28799931/study-on-non-linear-equilibrium-kinetics-and-thermodynamic-of-deltamethrin-removal-in-aqueous-solution-using-modified-magnetic-iron-oxide-nanoparticles
#15
Bahareh Ghafari, Elham Moniri, Homayon Ahmad Panahi, Abdolreza Karbassi, Shaban Najafpour
The purpose of modification of magnetic iron oxide nanoparticles is an eco-friendly, emerging and economical method for removing deltamethrin in the aqueous solution and wastewater effluents when compared with other adsorbent methods. Modified magnetic iron oxide nanoparticles were synthesized by co-precipitation and then coupled with 3-hydroxytyraminium chloride. The nano-sorbent was characterized by thermogravimetric analysis, elemental analysis, transmission electron microscopy, scanning electron microscope, Fourier transform infrared spectroscopy, zero point charge and surface area determination...
August 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28798318/sunscreen-products-impair-the-early-developmental-stages-of-the-sea-urchin-paracentrotus-lividus
#16
Cinzia Corinaldesi, Elisabetta Damiani, Francesca Marcellini, Carla Falugi, Luca Tiano, Francesca Brugè, Roberto Danovaro
Marine ecosystems are increasingly threatened by the release of personal care products. Among them, sunscreens are causing concern either for the effects on skin protection from UV radiation and for the potential impacts on marine life. Here, we assessed the UVA protective efficacy of three sunscreens on human dermal fibroblasts, including two common products in Europe and USA, and an eco-friendly product. The sunscreens' effects were also tested on Paracentrotus lividus, a marine species possibly threatened by these contaminants...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28796823/assessment-of-photocatalytic-potentiality-and-determination-of-ecotoxicity-using-plant-model-for-better-environmental-applicability-of-synthesized-copper-copper-oxide-and-copper-doped-zinc-oxide-nanoparticles
#17
Debadrito Das, Animesh Kumar Datta, Divya Vishambhar Kumbhakar, Bapi Ghosh, Ankita Pramanik, Sudha Gupta, Aninda Mandal
NPS SYNTHESIS, CHARACTERIZATION AND AZO-DYE DEGRADATION: A facile cost effective wet chemical method of synthesis is proposed for Cu-NPs, CuO-NPs and Cu-doped ZnO-NPs. The nanomaterials are opto-physically characterized for nano standard quality. Cu-doped ZnO-NPs based catalytic system is found to possess most efficient photocatalytic activity in degradation of two organic azo-dyes namely methyl red (MR) and malachite green (MG) that are released as industrial effluents in eco-environment intercollegium...
2017: PloS One
https://www.readbyqxmd.com/read/28796600/interoperable-end-to-end-remote-patient-monitoring-platform-based-on-ieee-11073-phd-and-zigbee-health-care-profile
#18
Malcolm Clarke, Joost de Folter, Vivek Verma, Hulya Gokalp
This paper describes the implementation of an end-to-end remote monitoring platform based on the IEEE 11073 standards for Personal Health Devices (PHD). It provides an overview of the concepts and approaches and describes how the standard has been optimized for small devices with limited resources of processor, memory and power and that use short range wireless technology. It explains aspects of IEEE 11073, including the Domain Information Model, state model and nomenclature, and how these support its plug-and-play architecture...
August 7, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28796485/anti-fouling-cellulose-hybrid-bio-membrane-for-effective-oil-water-separation
#19
Ravichandran Honnavally Kollarigowda, Sinoj Abraham, Carlo Montemagno
Oil/water separation has been of great interest worldwide due to the increasingly serious environmental pollution caused by the abundant discharge of industrial wastewater, oil spill accidents and odors. Here, we describe simple and economical super-hydrophobic hybrid membranes for effective oil/water separation. Eco-friendly, anti-fouling membranes were fabricated for oil/water separation, waste particle filtration, the blocking of thiol-based odor materials, etc., by using cellulose membrane filter (CM). CM was modified from their original super hydrophilic nature into a super-hydrophobic surface via a reversible addition-fragmentation chain transfer (RAFT) technique...
August 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28794921/biobleaching-of-paper-pulp-with-xylanase-produced-by-trichoderma-asperellum
#20
A Sridevi, G Ramanjaneyulu, P Suvarnalatha Devi
This study is aimed at assessing the biobleaching activity of fungal xylanase on paper pulp isolated from Tirumala forest, Eastern Ghats of India. Of the 98 fungal isolates obtained after initial screening, eight isolates were selected and one potential strain was further cultivated under submerged fermentation for production of xylanase. The biobleaching efficiency on waste paper pulp and paper industry effluent was tested with crude enzyme. Xylanolytic activity by the chosen organism in submerged fermentation reached the maximum (981...
August 2017: 3 Biotech
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