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https://www.readbyqxmd.com/read/28098225/the-impacts-of-air-pollution-on-maternal-stress-during-pregnancy
#1
Yanfen Lin, Leilei Zhou, Jian Xu, Zhongcheng Luo, Haidong Kan, Jinsong Zhang, Chonghuai Yan, Jun Zhang
To investigate the association of air pollution with maternal stress during pregnancy, we enrolled 1,931 women during mid-to-late pregnancy in Shanghai in 2010. The "Life-Event Scale for Pregnant Women" and "Symptom-Checklist-90-Revised Scale" (SCL-90-R) were used to evaluate life event stress and emotional stress, respectively. Air pollution data were collected for each district where pregnant women lived during pregnancy. We associated ambient air pollution with stress scores using multivariable logistic regression models...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097927/assessment-and-comparison-of-three-high-aluminum-fly-ash-utilization-scenarios-in-inner-mongolia-china-using-an-eco-efficiency-indicator
#2
Shuo Yang, Ling Lin, Shao Peng Li, Qiang Li, Xiu Teng Wang, Liang Sun
Utilization of fly ash is of great importance in China in the context of resource and environmental crises. Different fly ash utilization processes are proposed, and some have been practically applied. However, none of these fly ash utilization pathways has been evaluated comprehensively by integrating both environmental and economic perspectives. In this study, three high-aluminum fly ash utilization methods in Mongolia were assessed and compared based on the concept of eco-efficiency. The environmental assessment was conducted in accordance with life-cycle assessment principles, and a monetization-weighting approach was applied to obtain social willingness-to-pay as a reflection of environmental impact...
January 1, 2017: Waste Management & Research
https://www.readbyqxmd.com/read/28095437/relationship-of-climatic-and-forest-factors-to-drought-and-heat-induced-tree-mortality
#3
Qingyin Zhang, Ming'an Shao, Xiaoxu Jia, Xiaorong Wei
Tree mortality due to warming and drought is a critical aspect of forest ecosystem in responding to climate change. Spatial patterns of tree mortality induced by drought and its influencing factors, however, have yet to be documented at the global scale. We collected observations from 248 sites globally where trees have died due to drought and then assessed the effects of climatic and forest factors on the rate of tree mortality. The global mean annual mortality rate was 5.5%. The rate of tree mortality was significantly and negatively correlated with mean annual precipitation (P < 0...
2017: PloS One
https://www.readbyqxmd.com/read/28094515/nanoporous-materials-for-the-onboard-storage-of-natural-gas
#4
K Vasanth Kumar, Kathrin Preuss, Maria-Magdalena Titirici, Francisco Rodríguez-Reinoso
Climate change, global warming, urban air pollution, energy supply uncertainty and depletion, and rising costs of conventional energy sources are, among others, potential socioeconomic threats that our community faces today. Transportation is one of the primary sectors contributing to oil consumption and global warming, and natural gas (NG) is considered to be a relatively clean transportation fuel that can significantly improve local air quality, reduce greenhouse-gas emissions, and decrease the energy dependency on oil sources...
January 17, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28092259/-first-case-of-chikungunya-fever-in-hermosillo-sonora-mexico
#5
Miguel Ángel Martínez-Medina, Ismael Antonio Cañedo-Dorame
The Chikungunya is an arbovirus first described during a 1952 outbreak of febrile exantematic disease in southern Tanganyika (now Tanzania). It is a virus within the alphavirus genus of the Togaviridae family, it is usually transmitted to humans by Aedes mosquitoes. Typically, the disease manifests as acute onset of fever and joint pains. This study describes the clinical characteristics the first imported case infected with chikungunya fever (CHIK) in Hermosillo, Sonora, Mexico. We report the case of a 30 years old man seen in our emergency department due to fever, polyarthralgia, rash and headache...
January 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/28092010/allocation-and-simulation-study-of-carbon-emission-quotas-among-china-s-provinces-in-2020
#6
Xing Zhou, Xueling Guan, Ming Zhang, Yao Zhou, Meihua Zhou
China will form its carbon market in 2017 to focus on the allocation of regional carbon emission quota in order to cope with global warming. The rationality of the regional allocation has become an important consideration for the government in ensuring stable growth in different regions that are experiencing disparity in resource endowment and economic status. Based on constructing the quota allocation indicator system for carbon emission, the emission quota for each province in different scenarios and schemes in 2020 is simulated by the multifactor hybrid weighted Shannon entropy allocation model...
January 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091679/sustainability-of-renewable-fuel-infrastructure-a-screening-lca-case-study-of-anticorrosive-graphene-oxide-epoxy-liners-in-steel-tanks-for-the-storage-of-biodiesel-and-its-blends
#7
Govinda Chilkoor, Venkata K K Upadhyayula, Venkataramana Gadhamshetty, Nikhil Koratkar, Mats Tysklind
Biodiesel is a widely used fuel that meets the renewable fuel standards developed under the Energy Policy Act of 2005. However, biodiesel is known to pose a series of abiotic and biotic corrosion risks to storage tanks. A typical practice (incumbent system) used to protect the tanks from these risks include (i) coating the interior surface of the tank with a solvent-free epoxy (SFE) liner, and (ii) adding a biocide to the tank. Herein, we present a screening-level life-cycle assessment study to compare the environmental performance of a graphene oxide (GO)-epoxy (GOE) liner with the incumbent system...
January 16, 2017: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/28091554/advances-and-environmental-conditions-of-spring-migration-phenology-of-american-white-pelicans
#8
D Tommy King, Guiming Wang, Zhiqiang Yang, Justin W Fischer
Spring migration phenology of birds has advanced under warming climate. Migration timing of short-distance migrants is believed to be responsive to environmental changes primarily under exogenous control. However, understanding the ecological causes of the advancement in avian spring migration phenology is still a challenge due to the lack of long-term precise location data. We used 11 years of Global Positioning System relocation data to determine four different migration dates of the annual migration cycle of the American white pelican (Pelecanus erythrorhynchos), a short-distance migrant...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28089203/carbon-footprint-and-energy-use-of-food-waste-management-options-for-fresh-fruit-and-vegetables-from-supermarkets
#9
Mattias Eriksson, Johanna Spångberg
Food waste is a problem with economic, environmental and social implications, making it both important and complex. Previous studies have addressed food waste management options at the less prioritised end of the waste hierarchy, but information on more prioritised levels is also needed when selecting the best available waste management options. Investigating the global warming potential and primary energy use of different waste management options offers a limited perspective, but is still important for validating impacts from the waste hierarchy in a local context...
January 11, 2017: Waste Management
https://www.readbyqxmd.com/read/28089136/recent-insights-into-biohydrogen-production-by-microalgae-from-biophotolysis-to-dark-fermentation
#10
REVIEW
Dillirani Nagarajan, Duu-Jong Lee, Akihiko Kondo, Jo-Shu Chang
One of the best options to alleviate the problems associated with global warming and climate change is to reduce burning of fossil fuels and search for new alternative energy resources. In case of biodiesel and bioethanol production, the choice of feedstock and the process design influences the GHG emissions and appropriate methods need to be adapted. Hydrogen is a zero-carbon and energy dense alternative energy carrier with clean burning properties and biohydrogen production by microalgae can reduce production associated GHG emissions to a great extent...
December 30, 2016: Bioresource Technology
https://www.readbyqxmd.com/read/28088495/interaction-strength-between-different-grazers-and-macroalgae-mediated-by-ocean-acidification-over-warming-gradients
#11
E Sampaio, I F Rodil, F Vaz-Pinto, A Fernández, F Arenas
Since the past century, rising CO2 levels have led to global changes (ocean warming and acidification) with subsequent effects on marine ecosystems and organisms. Macroalgae-herbivore interactions have a main role in the regulation of marine community structure (top-down control). Gradients of warming prompt complex non-linear effects on organism metabolism, cascading into altered trophic interactions and community dynamics. However, not much is known on how will acidification and grazer assemblage composition shape these effects...
January 6, 2017: Marine Environmental Research
https://www.readbyqxmd.com/read/28087658/are-winter-and-summer-dormancy-symmetrical-seasonal-adaptive-strategies-the-case-of-temperate-herbaceous-perennials
#12
REVIEW
Lauren M Gillespie, Florence A Volaire
BACKGROUND: Dormancy in higher plants is an adaptive response enabling plant survival during the harshest seasons and has been more explored in woody species than in herbaceous species. Nevertheless, winter and summer shoot meristem dormancy are adaptive strategies that could play a major role in enhancing seasonal stress tolerance and resilience of widespread herbaceous plant communities. SCOPE: This review outlines the symmetrical aspects of winter and summer dormancy in order to better understand plant adaptation to severe stress, and highlight research priorities in a changing climate...
January 13, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28081236/a-key-marine-diazotroph-in-a-changing-ocean-the-interacting-effects-of-temperature-co2-and-light-on-the-growth-of-trichodesmium-erythraeum-ims101
#13
Tobias G Boatman, Tracy Lawson, Richard J Geider
Trichodesmium is a globally important marine diazotroph that accounts for approximately 60 - 80% of marine biological N2 fixation and as such plays a key role in marine N and C cycles. We undertook a comprehensive assessment of how the growth rate of Trichodesmium erythraeum IMS101 was directly affected by the combined interactions of temperature, pCO2 and light intensity. Our key findings were: low pCO2 affected the lower temperature tolerance limit (Tmin) but had no effect on the optimum temperature (Topt) at which growth was maximal or the maximum temperature tolerance limit (Tmax); low pCO2 had a greater effect on the thermal niche width than low-light; the effect of pCO2 on growth rate was more pronounced at suboptimal temperatures than at supraoptimal temperatures; temperature and light had a stronger effect on the photosynthetic efficiency (Fv/Fm) than did CO2; and at Topt, the maximum growth rate increased with increasing CO2, but the initial slope of the growth-irradiance curve was not affected by CO2...
2017: PloS One
https://www.readbyqxmd.com/read/28078520/effects-of-screenhouse-cultivation-and-organic-materials-incorporation-on-global-warming-potential-in-rice-fields
#14
Guochun Xu, Xin Liu, Qiangsheng Wang, Ruiheng Xiong, Yuhao Hang
Global rice production will be increasingly challenged by providing healthy food for a growing population at minimal environmental cost. In this study, a 2-year field experiment was conducted to investigate the effects of a novel rice cultivation mode (screenhouse cultivation, SHC) and organic material (OM) incorporation (wheat straw and wheat straw-based biogas residue) on methane (CH4) and nitrous oxide (N2O) emissions and rice yields. In addition, the environmental factors and soil properties were also determined...
January 11, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28077766/historical-citizen-science-to-understand-and-predict-climate-driven-trout-decline
#15
Miguel Clavero, Miquel Ninyerola, Virgilio Hermoso, Ana Filipa Filipe, Magda Pla, Daniel Villero, Lluís Brotons, Miguel Delibes
Historical species records offer an excellent opportunity to test the predictive ability of range forecasts under climate change, but researchers often consider that historical records are scarce and unreliable, besides the datasets collected by renowned naturalists. Here, we demonstrate the relevance of biodiversity records developed through citizen-science initiatives generated outside the natural sciences academia. We used a Spanish geographical dictionary from the mid-nineteenth century to compile over 10 000 freshwater fish records, including almost 4 000 brown trout (Salmo trutta) citations, and constructed a historical presence-absence dataset covering over 2 000 10 × 10 km cells, which is comparable to present-day data...
January 11, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28076360/consequences-of-global-warming-of-1-5-%C3%A2-c-and-2-%C3%A2-c-for-regional-temperature-and-precipitation-changes-in-the-contiguous-united-states
#16
Ambarish V Karmalkar, Raymond S Bradley
The differential warming of land and ocean leads to many continental regions in the Northern Hemisphere warming at rates higher than the global mean temperature. Adaptation and conservation efforts will, therefore, benefit from understanding regional consequences of limiting the global mean temperature increase to well below 2°C above pre-industrial levels, a limit agreed upon at the United Nations Climate Summit in Paris in December 2015. Here, we analyze climate model simulations from the Coupled Model Intercomparison Project Phase 5 (CMIP5) to determine the timing and magnitude of regional temperature and precipitation changes across the contiguous United States (US) for global warming of 1...
2017: PloS One
https://www.readbyqxmd.com/read/28075523/extreme-rainfall-and-snowfall-alter-responses-of-soil-respiration-to-nitrogen-fertilization-a-3-year-field-experiment
#17
Zengming Chen, Yehong Xu, Xuhui Zhou, Jianwu Tang, Yakov Kuzyakov, Hongyan Yu, Jianling Fan, Weixin Ding
Extreme precipitation is predicted to be more frequent and intense accompanying global warming, and may have profound impacts on soil respiration (Rs) and its components, i.e., autotrophic (Ra) and heterotrophic (Rh) respiration. However, how natural extreme rainfall or snowfall events affect these fluxes are still lacking, especially under nitrogen (N) fertilization. In this study, extreme rainfall and snowfall events occurred during a 3-year field experiment, allowing us to examine their effects on the response of Rs, Rh and Ra to N supply...
January 11, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28073527/new-scenario-for-speciation-in-the-benthic-dinoflagellate-genus-coolia-dinophyceae
#18
Chui Pin Leaw, Toh Hii Tan, Hong Chang Lim, Sing Tung Teng, Hwa Lin Yong, Kirsty F Smith, Lesley Rhodes, Matthias Wolf, William C Holland, Mark W Vandersea, R Wayne Litaker, Patricia A Tester, Haifeng Gu, Gires Usup, Po Teen Lim
In this study, inter- and intraspecific genetic diversity within the marine harmful dinoflagellate genus Coolia Meunier was evaluated using isolates obtained from the tropics to subtropics in both Pacific and Atlantic Ocean basins. The aim was to assess the phylogeographic history of the genus and to clarify the validity of established species including Coolia malayensis. Phylogenetic analysis of the D1-D2 LSU rDNA sequences identified six major lineages (L1-L6) corresponding to the morphospecies Coolia malayensis (L1), C...
May 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073492/stress-responsive-expression-of-a-glutathione-s-transferase-delta-gene-in-waterflea-daphnia-magna-challenged-by-microcystin-producing-and-microcystin-free-microcystis-aeruginosa
#19
Kai Lyu, Lei Gu, Bangping Li, Yichun Lu, Changcan Wu, Haoyong Guan, Zhou Yang
Harmful cyanobacterial blooms resulting from eutrophication and global warming have emerged as a worldwide environmental concern. Some zooplankton populations, including Daphnia, have been shown to adapt locally to microcystin-producing Microcystis. Previous in vitro experiments indicate that glutathione-S-transferase (GST) may act as the first step of detoxification in Daphnia by conjugating microcystins (MCs) with glutathione. The GST family is categorized into many classes, and different classes present distinct responses to MC detoxification...
June 2016: Harmful Algae
https://www.readbyqxmd.com/read/28073473/how-rising-co2-and-global-warming-may-stimulate-harmful-cyanobacterial-blooms
#20
REVIEW
Petra M Visser, Jolanda M H Verspagen, Giovanni Sandrini, Lucas J Stal, Hans C P Matthijs, Timothy W Davis, Hans W Paerl, Jef Huisman
Climate change is likely to stimulate the development of harmful cyanobacterial blooms in eutrophic waters, with negative consequences for water quality of many lakes, reservoirs and brackish ecosystems across the globe. In addition to effects of temperature and eutrophication, recent research has shed new light on the possible implications of rising atmospheric CO2 concentrations. Depletion of dissolved CO2 by dense cyanobacterial blooms creates a concentration gradient across the air-water interface. A steeper gradient at elevated atmospheric CO2 concentrations will lead to a greater influx of CO2, which can be intercepted by surface-dwelling blooms, thus intensifying cyanobacterial blooms in eutrophic waters...
April 2016: Harmful Algae
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