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https://www.readbyqxmd.com/read/28823118/epidemiologic-characteristics-of-scrub-typhus-in-jeju-island-korea
#1
Sung Uk Lee
Purpose: Scrub typhus is the most common febrile disease in Autumn season. Jeju Island is the largest island in South Korea and has a distinctive oceanic climate. This study aimed to identify epidemiological characteristics of scrub typhus in Jeju. Methods: From January 2011 to December 2016, total 446 patients were diagnosed with scrub typhus in Jeju. Patient's personal and environmental factors that may relate to scrub typhus had been investigated and retrospectively analyzed...
August 18, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/28822942/differential-responses-of-soil-microbial-biomass-diversity-and-compositions-to-altitudinal-gradients-depend-on-plant-and-soil-characteristics
#2
Chengjie Ren, Wei Zhang, ZeKun Zhong, Xinhui Han, Gaihe Yang, Yongzhong Feng, Guangxin Ren
Alt'itudinal gradients strongly affect plant biodiversity, but the effects on microbial patterns remain unclear, especially in the large scale. We therefore designed an altitudinal gradient experiment that covered three climate zones to monitor soil microbial community dynamics and to compare those with plant and soil characteristics. Illumina sequencing of the 16S rRNA gene and ITS gene was used to analyze soil microbial (bacterial and fungal) diversity and composition, and fumigation-extraction was used to determine microbial biomass; the plant community metrics (i...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822939/short-term-effects-of-spring-prescribed-burning-on-the-understory-vegetation-of-a-pinushalepensis-forest-in-northeastern-spain
#3
Laura Fuentes, Beatriz Duguy, Daniel Nadal-Sala
Since the 1970s, fire regimes have been modified in the Northern Mediterranean region due to profound landscape changes mostly driven by socioeconomic factors, such as rural abandonment and large-scale plantations. Both fuel accumulation and the increasing vegetation spatial continuity, combined with the expansion of the wildland-urban interface, have enhanced fire risk and the occurrence of large wildfires. This situation will likely worsen under the projected aridity increase resulting from climate change...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822935/assessing-urban-population-vulnerability-and-environmental-risks-across-an-urban-area-during-heatwaves-implications-for-health-protection
#4
H L Macintyre, C Heaviside, J Taylor, R Picetti, P Symonds, X-M Cai, S Vardoulakis
Heatwaves can lead to a range of adverse impacts including increased risk of illness and mortality; the heatwave in August 2003 has been associated with ~70,000 deaths across Europe. Due to climate change, heatwaves are likely to become more intense, more frequent and last longer in the future. A number of factors may influence risks associated with heat exposure, such as population age, housing type, and location within the Urban Heat Island, and such factors may not be evenly distributed spatially across a region...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822928/combined-effects-of-salinity-temperature-and-hypoxia-on-daphnia-magna-metabolism
#5
Elba Garreta-Lara, Bruno Campos, Carlos Barata, Silvia Lacorte, Romà Tauler
Metabolic changes of Daphnia magna pools due different abiotic factors linked to global climate change (salinity, temperature and hypoxia) were investigated using untargeted GC-MS and advanced chemometric strategies using a three factors two-level full factorial experimental design (DoE). Effects of these three factors and identity of the metabolites whose concentrations changed because of them were investigated. The simultaneous analysis of GC-MS data sets using Multivariate Curve Resolution-Alternating Least Squares (MCR-ALS) allowed the resolution of the elution and mass spectra profiles of a large number of D...
August 17, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822924/local-and-landscape-scale-land-cover-affects-microclimate-and-water-use-in-urban-gardens
#6
Brenda B Lin, Monika H Egerer, Heidi Liere, Shalene Jha, Peter Bichier, Stacy M Philpott
Urban gardens in Central California are highly vulnerable to the effects of climate change, experiencing both extended high heat periods as well as water restrictions because of severe drought conditions. This puts these critical community-based food production systems at risk as California is expected to experience increasing weather extremes. In agricultural systems, increased vegetation complexity, such as greater structure or biodiversity, can increase the resilience of food production systems from climate fluctuations...
August 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28822493/interactions-between-bee-foraging-and-floral-resource-phenology-shape-bee-populations-and-communities
#7
REVIEW
Jane E Ogilvie, Jessica Rk Forrest
Flowers are ephemeral, yet bees rely on them for food throughout their lives. Floral resource phenology - which can be altered by changes in climate and land-use - is therefore key to bee fitness and community composition. Here, we discuss the interactions between floral resource phenology, bee foraging behaviour, and traits such as diet breadth, sociality, and body size. Recent research on bumble bees has examined behavioural responses to local floral turnover and effects of landscape-scale floral resource phenology on fitness, abundance, and foraging distances...
June 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28822492/rapid-adaptation-of-invertebrate-pests-to-climatic-stress
#8
REVIEW
Ary A Hoffmann
There is surprisingly little information on adaptive responses of pests and disease vectors to climatic stresses even though the short generation times and large population sizes associated with pests make rapid adaptation likely. Most evidence of adaptive differentiation has been obtained from geographic comparisons and these can directly or indirectly indicate rates of adaptation where historical data on invasions are available. There is very little information on adaptive shifts in pests detected through molecular comparisons even though the genomes of many pests are now available and can help to identify markers underlying adaptation...
June 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/28822342/responses-of-trophic-structure-and-zooplankton-community-to-salinity-and-temperature-in-tibetan-lakes-implication-for-the-effect-of-climate-warming
#9
Qiuqi Lin, Lei Xu, Juzhi Hou, Zhengwen Liu, Erik Jeppesen, Bo-Ping Han
Warming has pronounced effects on lake ecosystems, either directly by increased temperatures or indirectly by a change in salinity. We investigated the current status of zooplankton communities and trophic structure in 45 Tibetan lakes along a 2300 m altitude and a 76 g/l salinity gradient. Freshwater to hyposaline lakes mainly had three trophic levels: phytoplankton, small zooplankton and fish/Gammarus, while mesosaline to hypersaline lakes only had two: phytoplankton and large zooplankton. Zooplankton species richness declined significantly with salinity, but did not relate with temperature...
August 1, 2017: Water Research
https://www.readbyqxmd.com/read/28822309/nature-based-solutions-to-promote-human-resilience-and-wellbeing-in-cities-during-increasingly-hot-summers
#10
Angelo Panno, Giuseppe Carrus, Raffaele Lafortezza, Luigi Mariani, Giovanni Sanesi
Air temperatures are increasing because of global climate change. A warming phenomenon strongly related to global climate change is the urban heat island. It has been shown that the hotter temperatures occurring in cities during the summer negatively affect human wellbeing, but little is known about the potential mechanisms underlying the relationships between hotter temperatures, cognitive psychological resources and wellbeing. The aim of the present research is to understand whether, and how, spending time in urban green spaces, which can be considered as a specific kind of Nature-Based Solution (NBS), helps the recovery of cognitive resources and wellbeing...
August 16, 2017: Environmental Research
https://www.readbyqxmd.com/read/28821858/modern-dust-aerosol-availability-in-northwestern-china
#11
Xunming Wang, Hong Cheng, Huizheng Che, Jimin Sun, Huayu Lu, Mingrui Qiang, Ting Hua, Bingqi Zhu, Hui Li, Wenyong Ma, Lili Lang, Linlin Jiao, Danfeng Li
The sources of modern dust aerosols and their emission magnitudes are fundamental for linking dust with climate and environment. Using field sample data, wind tunnel experiments and statistical analysis, we determined the contributions of wadis, gobi (stony desert), lakebeds, riverbeds, and interdunes to modern dust aerosol availability in the three important potential dust sources including the Tarim Basin, Qaidam Basin, and Ala Shan Plateau of China. The results show that riverbeds are the dominant landscape for modern dust aerosol availabilities in the Qaidam Basin, while wadis, gobi, and interdunes are the main landscapes over the Ala Shan Plateau and Tarim Basin...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821838/biogeography-shaped-the-metabolome-of-the-genus-espeletia-a-phytochemical-perspective-on-an-andean-adaptive-radiation
#12
Guillermo F Padilla-González, Mauricio Diazgranados, Fernando B Da Costa
The páramo ecosystem has the highest rate of diversification across plant lineages on earth, of which the genus Espeletia (Asteraceae) is a prime example. The current distribution and molecular phylogeny of Espeletia suggest the influence of Andean geography and past climatic fluctuations on the diversification of this genus. However, molecular markers have failed to reveal subtle biogeographical trends in Espeletia diversification, and metabolomic evidence for allopatric segregation in plants has never been reported...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821792/the-contribution-of-human-agricultural-activities-to-increasing-evapotranspiration-is-significantly-greater-than-climate-change-effect-over-heihe-agricultural-region
#13
Minzhong Zou, Jun Niu, Shaozhong Kang, Xiaolin Li, Hongna Lu
Evapotranspiration (ET) is a major component linking the water, energy, and carbon cycles. Understanding changes in ET and the relative contribution rates of human activity and of climate change at the basin scale is important for sound water resources management. In this study, changes in ET in the Heihe agricultural region in northwest China during 1984-2014 were examined using remotely-sensed ET data with the Soil and Water Assessment Tool (SWAT). Correlation analysis identified the dominant factors that influence change in ET per unit area and those that influence change in total ET...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821735/current-and-future-suitability-of-wintering-grounds-for-a-long-distance-migratory-raptor
#14
Christina Kassara, Laura Gangoso, Ugo Mellone, Gvido Piasevoli, Thomas G Hadjikyriakou, Nikos Tsiopelas, Sinos Giokas, Pascual López-López, Vicente Urios, Jordi Figuerola, Rafa Silva, Willem Bouten, Alexander N G Kirschel, Munir Z Virani, Wolfgang Fiedler, Peter Berthold, Marion Gschweng
Conservation of migratory species faces the challenge of understanding the ecological requirements of individuals living in two geographically separated regions. In some cases, the entire population of widely distributed species congregates at relatively small wintering areas and hence, these areas become a priority for the species' conservation. Satellite telemetry allows fine tracking of animal movements and distribution in those less known, often remote areas. Through integrating satellite and GPS data from five separated populations comprising most of the breeding range, we created a wide habitat suitability model for the Eleonora's falcon on its wintering grounds in Madagascar...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821727/grace-satellite-observations-reveal-the-severity-of-recent-water-over-consumption-in-the-united-states
#15
Kurt C Solander, John T Reager, Yoshihide Wada, James S Famiglietti, Richard S Middleton
Changes in the climate and population growth will critically impact the future supply and demand of water, leading to large uncertainties for sustainable resource management. In the absence of on-the-ground measurements to provide spatially continuous, high-resolution information on water supplies, satellite observations can provide essential insight. Here, we develop a technique using observations from the Gravity Recovery and Climate Experiment (GRACE) satellite to evaluate the sustainability of surface water and groundwater use over the continental United States...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28821569/elevated-temperature-and-acclimation-time-affect-metabolic-performance-in-the-heavily-exploited-nile-perch-of-lake-victoria
#16
Elizabeth A Nyboer, Lauren J Chapman
Increasing water temperatures due to anthropogenic climate change are predicted to negatively impact the aerobic metabolic performance of aquatic ectotherms. Specifically, it has been hypothesized that thermal increases result in reductions in aerobic scope (AS), which lead to decreases in energy available for essential fitness and performance functions. Consequences of warming are anticipated to be especially severe for warm-adapted tropical species as they are thought to have narrow thermal windows and limited plasticity for coping with elevated temperatures...
August 18, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28821232/genomic-transcriptomic-and-proteomic-approaches-towards-understanding-the-molecular-mechanisms-of-salt-tolerance-in-frankia-strains-isolated-from-casuarina-trees
#17
Rediet Oshone, Mariama Ngom, Feixia Chu, Samira Mansour, Mame Ourèye Sy, Antony Champion, Louis S Tisa
BACKGROUND: Soil salinization is a worldwide problem that is intensifying because of the effects of climate change. An effective method for the reclamation of salt-affected soils involves initiating plant succession using fast growing, nitrogen fixing actinorhizal trees such as the Casuarina. The salt tolerance of Casuarina is enhanced by the nitrogen-fixing symbiosis that they form with the actinobacterium Frankia. Identification and molecular characterization of salt-tolerant Casuarina species and associated Frankia is imperative for the successful utilization of Casuarina trees in saline soil reclamation efforts...
August 18, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28821185/phylogeography-and-ecological-niche-modeling-of-the-desert-iguana-dipsosaurus-dorsalis-baird-girard-1852-in-the-baja-california-peninsula
#18
Tania Valdivia-Carrillo, Francisco J García-De León, Ma Carmen Blázquez, Carina Gutiérrez-Flores, Patricia González Zamorano
Understanding the factors that explain the patterns of genetic structure or phylogeographic breaks at an intraspecific level is key to inferring the mechanisms of population differentiation in its early stages. These topics have been well studied in the Baja California region, with vicariance and the dispersal ability of individuals being the prevailing hypothesis for phylogeographic breaks. In this study, we evaluated the phylogeographic patterns in the desert iguana (Dipsosaurus dorsalis), a species with a recent history in the region and spatial variation in life history traits...
September 1, 2017: Journal of Heredity
https://www.readbyqxmd.com/read/28820979/data-driven-analysis-of-nutrient-inputs-and-transfers-through-nested-catchments
#19
Lea Levi, Vladimir Cvetkovic, Georgia Destouni
A data-driven screening methodology is developed for estimating nutrient input and retention-delivery in catchments with measured water discharges and nutrient concentrations along the river network. The methodology is applied to the Sava River Catchment (SRC), a major transboundary catchment in southeast Europe, with seven monitoring stations along the main river, defining seven nested catchments and seven incremental subcatchments that are analysed and compared in this study. For the relatively large nested catchments (>40,000km(2)), characteristic regional values emerge for nutrient input per unit area of around 30T/yr/km(2) for dissolved inorganic nitrogen (DIN) and 2T/yr/km(2) for total phosphorus (TP)...
August 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28820899/two-disjunct-pleistocene-populations-and-anisotropic-postglacial-expansion-shaped-the-current-genetic-structure-of-the-relict-plant-amborella-trichopoda
#20
Rémi Tournebize, Stéphanie Manel, Yves Vigouroux, François Munoz, Alexandre de Kochko, Valérie Poncet
Past climate fluctuations shaped the population dynamics of organisms in space and time, and have impacted their present intra-specific genetic structure. Demo-genetic modelling allows inferring the way past demographic and migration dynamics have determined this structure. Amborella trichopoda is an emblematic relict plant endemic to New Caledonia, widely distributed in the understory of non-ultramafic rainforests. We assessed the influence of the last glacial climates on the demographic history and the paleo-distribution of 12 Amborella populations covering the whole current distribution...
2017: PloS One
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