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https://www.readbyqxmd.com/read/28736872/global-change-and-the-distributional-dynamics-of-migratory-bird-populations-wintering-in-central-america
#1
Frank A La Sorte, Daniel Fink, Peter J Blancher, Amanda D Rodewald, Viviana Ruiz-Gutierrez, Kenneth V Rosenberg, Wesley M Hochachka, Peter H Verburg, Steve Kelling
Understanding the susceptibility of highly mobile taxa such as migratory birds to global change requires information on geographic patterns of occurrence across the annual cycle. Neotropical migrants that breed in North America and winter in Central America occur in high concentrations on their non-breeding grounds where they spend the majority of the year and where habitat loss has been associated with population declines. Here, we use eBird data to model weekly patterns of abundance and occurrence for 21 forest passerine species that winter in Central America...
July 24, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28735434/quality-assessment-of-groundwater-from-the-south-eastern-arabian-peninsula
#2
H W Zhang, Y Q Sun, Y Li, X D Zhou, X Z Tang, P Yi, A Murad, S Hussein, D Alshamsi, A Aldahan, Z B Yu, X G Chen, V D P Mugwaneza
Assessment of groundwater quality plays a significant role in the utilization of the scarce water resources globally and especially in arid regions. The increasing abstraction together with man-made contamination and seawater intrusion have strongly affected groundwater quality in the Arabia Peninsula, exemplified by the investigation given here from the United Arab Emirates, where the groundwater is seldom reviewed and assessed. In the aim of assessing current groundwater quality, we here present a comparison of chemical data linked to aquifers types...
August 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28735231/exploring-the-association-between-heat-and-mortality-in-switzerland-between-1995-and-2013
#3
Martina S Ragettli, Ana M Vicedo-Cabrera, Christian Schindler, Martin Röösli
Designing effective public health strategies to prevent adverse health effect of hot weather is crucial in the context of global warming. In Switzerland, the 2003 heat have caused an estimated 7% increase in all-cause mortality. As a consequence, the Swiss Federal Office of Public Health developed an information campaign to raise public awareness on heat threats. For a better understanding on how hot weather affects daily mortality in Switzerland, we assessed the effect of heat on daily mortality in eight Swiss cities and population subgroups from 1995 to 2013 using different temperature metrics (daily mean (Tmean), maximum (Tmax), minimum (Tmin) and maximum apparent temperature (Tappmax)), and aimed to evaluate variations of the heat effect after 2003 (1995-2002 versus 2004-2013)...
July 20, 2017: Environmental Research
https://www.readbyqxmd.com/read/28735090/impacts-of-the-2003-and-2015-summer-heatwaves-on-permafrost-affected-rock-walls-in-the-mont-blanc-massif
#4
L Ravanel, F Magnin, P Deline
Rockfall is one of the main geomorphological processes that affects the evolution and stability of rock-walls. At high elevations, rockfall is largely climate-driven, very probably because of the warming of rock-wall permafrost. So with the ongoing global warming that drives the degradation of permafrost, the related hazards for people and infrastructure could continue to increase. The heatwave of summer 2015, which affected Western Europe from the end of June to August, had a serious impact on the stability of high-altitude rock-walls, including those in the Mont Blanc massif...
July 20, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28734289/perspective-photocatalytic-reduction-of-co2-to-solar-fuels-over-semiconductors
#5
Chao Peng, Glenn Reid, Haifeng Wang, P Hu
Increasing emissions of carbon dioxide and the depletion of finite fossil fuels have led to many concerns about global warming and energy crises. Consequently, a sustainable and alternative method, photocatalytic CO2 reduction to chemical fuels has received considerable attention. This perspective highlights recent knowledge and the main challenges in CO2 photoreduction primarily from the theoretical field. The fundamental understanding of CO2 adsorption and reaction mechanism at an atomic level is fully addressed, and the relevant effects dominating the process of CO2 photoreduction are also elucidated...
July 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28734249/nitrogen-losses-and-greenhouse-gas-emissions-under-different-n-and-water-management-in-a-subtropical-double-season-rice-cropping-system
#6
Kaiming Liang, Xuhua Zhong, Nongrong Huang, Rubenito M Lampayan, Yanzhuo Liu, Junfeng Pan, Bilin Peng, Xiangyu Hu, Youqiang Fu
Nitrogen non-point pollution and greenhouse gas (GHG) emission are major challenges in rice production. This study examined options for both economic and environmental sustainability through optimizing water and N management. Field experiments were conducted to examine the crop yields, N use efficiency (NUE), greenhouse gas emissions, N losses under different N and water management. There were four treatments: zero N input with farmer's water management (N0), farmer's N and water management (FP), optimized N management with farmer's water management (OPTN) and optimized N management with alternate wetting and drying irrigation (OPTN+AWD)...
July 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28733643/recent-wetting-and-glacier-expansion-in-the-northwest-himalaya-and-karakoram
#7
Ram R Yadav, Anil K Gupta, Bahadur S Kotlia, Vikram Singh, Krishna G Misra, Akhilesh K Yadava, Anoop K Singh
Hydroclimatic variability driven by global warming in the climatically vulnerable cold semi-arid to arid northwest (NW) Himalaya is poorly constrained due to paucity of continuous weather records and annually resolved proxies. Applying a network of annually resolved tree-ring-width chronologies from semi-arid region of Kishtwar, Jammu and Kashmir, India, we reconstructed April-May standardized precipitation index extending back to A.D. 1439 (576 years). The reconstructed series is featured by the most conspicuous long-term droughts during the 15(th) to early 17(th) centuries followed by a general wetting, with 1984-2014 being the wettest interval in the past 576 years...
July 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28732405/increased-n2o-emission-by-inhibited-plant-growth-in-the-co2-leaked-soil-environment-simulation-of-co2-leakage-from-carbon-capture-and-storage-ccs-site
#8
You Jin Kim, Wenmei He, Daegeun Ko, Haegeun Chung, Gayoung Yoo
Atmospheric carbon dioxide (CO2) concentrations is continuing to increase due to anthropogenic activity, and geological CO2 storage via carbon capture and storage (CCS) technology can be an effective way to mitigate global warming due to CO2 emission. However, the possibility of CO2 leakage from reservoirs and pipelines exists, and such leakage could negatively affect organisms in the soil environment. Therefore, to determine the impacts of geological CO2 leakage on plant and soil processes, we conducted a greenhouse study in which plants and soils were exposed to high levels of soil CO2...
July 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28731629/stabilizing-the-performance-of-high-capacity-sulfur-composite-electrodes-by-a-novel-gel-polymer-electrolyte-configuration
#9
Marco Agostini, Du Hyun Lim, Matthew Sadd, Fasciani Chiara, Maria Assunta Navarra, Stefania Panero, Sergio Brutti, Aleksandar Matic, Bruno Scrosati
Increased pollution and the consequent increasing in global warming are drawing attention to the larger use of renewable energy sources such as solar or wind. However, the production of energy from most renewable sources is intermittent and thus relies on the availability of electrical energy storage systems with high capacity and at competitive cost. Lithium-sulfur batteries are among the most promising technologies in this respect due to a very high theoretical energy density (1675 mAh g-1) and that the active material, S, is abundant and cheap...
July 21, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28728885/characterization-of-the-neuropeptidome-of-a-southern-ocean-decapod-the-antarctic-shrimp-chorismus-antarcticus-focusing-on-a-new-decapod-itp-like-peptide-belonging-to-the-chh-peptide-family
#10
Jean-Yves Toullec, Erwan Corre, Perrine Mandon, Marcelo Gonzalez-Aravena, Céline Ollivaux, Chi-Ying Lee
As part of the study of the resilience of Antarctic crustaceans to global warming, the shrimp Chorismus antarcticus was subjected to an analysis of global approach using the Next Generation Sequencing Illumina Hi-Seq platform. With this data a detailed study into the principal neuropeptides and neurohormones of this species have been undertaken. Total RNAs from whole animals were enriched with eyestalk extracts to ensure maximum sequencing depth of the different neurohormones and neuropeptides mainly expressed into the X organ-sinus gland complex, which is a major endocrine organ of their synthesis...
July 17, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28728308/methane-uptake-in-global-forest-and-grassland-soils-from-1981-to-2010
#11
Lijun Yu, Yao Huang, Wen Zhang, Tingting Li, Wenjuan Sun
Methane (CH4) is one of the most potent greenhouse gases. Although forest and grassland soils generally consume atmospheric CH4, the quantities and spatiotemporal changes in CH4 uptake remain largely uncertain for these ecosystems at the global scale. In this study, we developed an empirical model to estimate the CH4 uptake in global forest and grassland soils during the period 1981-2010. We estimated that the mean values of CH4 uptake were 9.16 (± 3.84) Tg yr(-1) in forest soils and 3.73 (± 1.41) Tg yr(-1) in grassland soils during the study period...
July 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28727854/toxoplasma-gondii-entry-association-and-physiological-influence-on-the-central-nervous-system
#12
REVIEW
Oscar A Mendez, Anita A Koshy
Toxoplasma gondii is one of the world's most successful parasites, in part because of its ability to infect and persist in most warm-blooded animals. A unique characteristic of T. gondii is its ability to persist in the central nervous system (CNS) of a variety of hosts, including humans and rodents. How, what, and why T. gondii encysts in the CNS has been the topic of study for decades. In this review, we will discuss recent work on how T. gondii is able to traverse the unique barrier surrounding the CNS, what cells of the CNS play host to T...
July 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28727002/hourly-methane-production-in-finishing-steers-fed-at-different-levels-of-dry-matter-intake
#13
K E Hales, N A Cole
Methane (CH) loss from finishing cattle is important as it represents an energy loss that could be used for maintenance and growth, and CH is a greenhouse gas with a global warming potential 21 to 25 times that of CO. Our objectives were to determine hourly CH production from growing cattle fed diets differing in corn processing method (dry rolling or steam flaking) and wet distillers grains with solubles (WDGS) inclusion rate. Eight steers (195 kg ± 2.3 in Exp. 1 and 322 kg ± 3.7 in Exp. 2) were fed the following diets: 1) steam-flaked corn (SFC)-based diet with 0% WDGS (SFC-0); 2) SFC-based diet with 15% WDGS (SFC-15); 3) SFC-based diet with 30% WDGS (SFC-30); 4) SFC-based diet with 45% WDGS (SFC-45); 5) Dry-rolled corn DRC)-based diet with 0% WDGS (DRC-0); and 6) DRC-based diet with 30% WDGS (DRC-30)...
May 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28725394/support-for-the-elevational-rapoport-s-rule-among-seed-plants-in-nepal-depends-on-biogeographical-affinities-and-boundary-effects
#14
Jianmeng Feng, Xiaokang Hu, Jie Wang, Yanmei Wang
As one of the most important hypotheses on biogeographical distribution, Rapoport's rule has attracted attention around the world. However, it is unclear whether the applicability of the elevational Rapoport's Rule differs between organisms from different biogeographical regions. We used Stevens' method, which uses species diversity and the averaged range sizes of all species within each (100 m) elevational band to explore diversity-elevation, range-elevation, and diversity-range relationships. We compared support for the elevational Rapoport's rule between tropical and temperate species of seed plants in Nepal...
October 2016: Ecology and Evolution
https://www.readbyqxmd.com/read/28724987/the-asymmetric-impact-of-global-warming-on-us-drought-types-and-distributions-in-a-large-ensemble-of-97-hydro-climatic-simulations
#15
Shengzhi Huang, Guoyong Leng, Qiang Huang, Yangyang Xie, Saiyan Liu, Erhao Meng, Pei Li
Projection of future drought is often involved large uncertainties from climate models, emission scenarios as well as drought definitions. In this study, we investigate changes in future droughts in the conterminous United States based on 97 1/8 degree hydro-climate model projections. Instead of focusing on a specific drought type, we investigate changes in meteorological, agricultural, and hydrological drought as well as the concurrences. Agricultural and hydrological droughts are projected to become more frequent with increase in global mean temperature, while less meteorological drought is expected...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28723490/renal-preservation-and-partial-nephrectomy-patient-and-surgical-factors
#16
REVIEW
Lorenzo Marconi, Mihir M Desai, Vincenzo Ficarra, Francesco Porpiglia, Hendrik Van Poppel
CONTEXT: Optimization of the partial nephrectomy (PN) procedure in terms of preservation of functional outcomes is of special importance. OBJECTIVE: To review the most important patient and surgical factors that may influence the three elements that ultimately define the preservation of renal function (RF) after PN: preoperative RF, quantity of parenchyma preserved, and nephron recovery from ischemic insult. EVIDENCE ACQUISITION: A nonsystematic review of the literature was conducted...
December 15, 2016: European Urology Focus
https://www.readbyqxmd.com/read/28720866/surges-in-trematode-prevalence-linked-to-centennial-scale-flooding-events-in-the-adriatic
#17
Daniele Scarponi, Michele Azzarone, Michał Kowalewski, John Warren Huntley
The forecasts of increasing global temperature and sea level rise have led to concern about the response of parasites to anthropogenic climate change. Whereas ecological studies of parasite response to environmental shifts are necessarily limited to short time scales, the fossil record can potentially provide a quantitative archive of long-term ecological responses to past climate transitions. Here, we document multi-centennial scale changes in prevalence of trematodes infesting the bivalve host Abra segmentum through multiple sea-level fluctuations preserved in brackish Holocene deposits of the Po Plain, Italy...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28718467/how-to-make-an-efficient-and-robust-molecular-catalyst-for-water-oxidation
#18
Pablo Garrido-Barros, Carolina Gimbert-Suriñach, Roc Matheu, Xavier Sala, Antoni Llobet
Energy has been a central subject for human development from Homo erectus to date. The massive use of fossil fuels during the last 50 years has generated a large CO2 concentration in the atmosphere that has led to the so-called global warming. It is very urgent to come up with C-neutral energy schemes to be able to preserve Planet Earth for future generations to come and still preserve our modern societies' life style. One of the potential solutions is water splitting with sunlight (hν-WS) that is also associated with "artificial photosynthesis", since its working mode consists of light capture followed by water oxidation and proton reduction processes...
July 18, 2017: Chemical Society Reviews
https://www.readbyqxmd.com/read/28718119/-global-warming-more-and-other-infectious-diseases-in-germany
#19
REVIEW
Johannes Bogner
No abstract text is available yet for this article.
July 2017: MMW Fortschritte der Medizin
https://www.readbyqxmd.com/read/28717999/macro-and-microclimate-conditions-may-alter-grapevine-deacclimation-variation-in-thermal-amplitude-in-two-contrasting-wine-regions-from-north-and-south-america
#20
Francisco Gonzalez Antivilo, Rosalía Cristina Paz, Markus Keller, Roberto Borgo, Jorge Tognetti, Fidel Roig Juñent
Low temperature is a limiting factor that affects vineyard distribution globally. The level of cold hardiness acquired during the dormant season by Vitis sp. is crucial for winter survival. Most research published on this topic has been generated beyond 40° N latitude, where daily mean temperatures may attain injurious levels during the dormant season resulting in significant damage to vines and buds. Symptoms of cold injury have been identified in Mendoza (32-35° S latitude), a Southern Hemisphere wine region characterized by a high thermal amplitude, and warm winds during the dormant season...
July 17, 2017: International Journal of Biometeorology
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