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https://www.readbyqxmd.com/read/28437775/effect-of-nitrification-inhibitors-on-mitigating-n2o-and-no-emissions-from-an-agricultural-field-under-drip-fertigation-in-the-north-china-plain
#1
Di Tian, Yuanyuan Zhang, Yizhen Zhou, Yujing Mu, Junfeng Liu, Chenglong Zhang, Pengfei Liu
N2O and NO emissions from a winter wheat-summer maize rotation field with five different treatments in the North China Plain (NCP) were comparably investigated from 8 October 2014 to 11 October 2015. Compared with the treatments with only flood or drip irrigation, evident emission peaks of N2O and NO from the fertilization treatments with flood irrigation (A-Flood) and with drip fertigation (A-Drip) were observed after each fertilization event, whereas their emissions from the fertilization treatments with nitrification inhibitors under drip fertigation (A+DCD-Drip and A+Nitrapyrin-Drip) were greatly suppressed...
April 21, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28437103/ion-pair-oligomerization-of-chromogenic-triangulenium-cations-with-cyanostar-modified-anions-that-controls-emission-in-hierarchical-materials
#2
Bo Qiao, Brandon E Hirsch, Semin Lee, Maren Pink, Chun-Hsing Chen, Bo W Laursen, Amar H Flood
The hierarchical assembly of colored cationic molecules with receptor-modified counteranions can be used to control optical properties in materials. However, our knowledge of when the optical properties emerge in the hierarchical organization and the variety of cation-anion salts that are available to create these materials is limited. In this work, we extend the salts from small halides to large inorganic anions and determine how the structure coevolves with the emission properties using solution assemblies...
April 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28435105/organ-specific-proteomics-of-soybean-seedlings-under-flooding-and-drought-stresses
#3
Xin Wang, Ehsaneh Khodadadi, Baratali Fakheri, Setsuko Komatsu
Organ-specific analyses enrich the understanding of plant growth and development under abiotic stresses. To elucidate the cellular responses in soybean seedlings exposed to flooding and drought stresses, organ-specific analysis was performed using a gel-free/label-free proteomic technique. Physiological analysis indicated that enzyme activities of alcohol dehydrogenase and delta-1-pyrroline-5-carboxylate synthase were markedly increased in leaf and root of plants treated with 6days of flooding and drought stresses, respectively...
April 18, 2017: Journal of Proteomics
https://www.readbyqxmd.com/read/28432981/hidden-markov-model-and-chapman-kolmogrov-for-protein-structures-prediction-from-images
#4
Md Sarwar Kamal, Linkon Chowdhury, Mohammad Ibrahim Khan, Amira S Ashour, João Manuel R S Tavares, Nilanjan Dey
Protein structure prediction and analysis are more significant for living organs to perfect asses the living organ functionalities. Several protein structure prediction methods use neural network (NN). However, the Hidden Markov model is more interpretable and effective for more biological data analysis compared to the NN. It employs statistical data analysis to enhance the prediction accuracy. The current work proposed a protein prediction approach from protein images based on Hidden Markov Model and Chapman Kolmogrov equation...
April 13, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28432393/more-functions-of-torpor-and-their-roles-in-a-changing-world
#5
Julia Nowack, Clare Stawski, Fritz Geiser
Increased winter survival by reducing energy expenditure in adult animals is often viewed as the primary function of torpor. However, torpor has many other functions that ultimately increase the survival of heterothermic mammals and birds. In this review, we summarize new findings revealing that animals use torpor to cope with the conditions during and after natural disasters, including fires, storms, and heat waves. Furthermore, we suggest that torpor, which also prolongs longevity and was likely crucial for survival of mammals during the time of the dinosaur extinctions, will be advantageous in a changing world...
April 21, 2017: Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology
https://www.readbyqxmd.com/read/28431575/heterogeneous-ribonuclear-protein-a3-hnrnp-a3-is-present-in-dipeptide-repeat-protein-containing-inclusions-in-frontotemporal-lobar-degeneration-and-motor-neurone-disease-associated-with-expansions-in-c9orf72-gene
#6
Yvonne S Davidson, Louis Flood, Andrew C Robinson, Yoshihiro Nihei, Kohji Mori, Sara Rollinson, Anna Richardson, Bridget C Benson, Matthew Jones, Julie S Snowden, Stuart Pickering-Brown, Christian Haass, Tammaryn Lashley, David M A Mann
Frontotemporal Lobar Degeneration (FTLD) encompasses certain related neurodegenerative disorders which alter behaviour, personality and language. Heterogeneous ribonuclear proteins (hnRNPs) maintain RNA metabolism and changes in their function may underpin the pathogenesis of FTLD. Immunostaining for hnRNP A1, A2/B1 and A3 was performed on sections of temporal cortex with hippocampus from 61 patients with FTLD, stratified by pathological hallmarks into FTLD-tau and FTLD-TDP type A, B and C subtypes, and by genetics into patients with C9orf72 expansions, MAPT or GRN mutations, or those without known mutation...
April 21, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28430893/congeneric-predaceous-diving-beetle-species-fail-to-segregate-in-a-floodplain-system-a-case-of-amplified-sympatry
#7
Courtney Holt McDaniel, Joseph V McHugh, Darold P Batzer
Coexistence of closely related species has long been a focus of biologists in their efforts to explain mechanisms that drive community assembly. Dytiscidae (predaceous diving beetles) are a group that shows a particularly high affinity for sympatry despite their relatedness. Our objective was to investigate the degree of overlap among Neoporus (Guignot) species (Coleoptera: Dytiscidae) in floodplains of the southeastern United States. We sampled two floodplain habitats (permanent oxbow lakes and temporarily flooded pools) of the Altamaha River (Georgia, USA) for Neoporus species over three years...
April 18, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28429297/identification-of-qtls-for-yield-and-agronomic-traits-in-rice-under-stagnant-flooding-conditions
#8
Anshuman Singh, Jerome Carandang, Zennia Jean C Gonzaga, Bertrand C Y Collard, Abdelbagi M Ismail, Endang M Septiningsih
BACKGROUND: Stagnant flooding, where water of 25-50 cm remains until harvest time, is a major problem in rainfed lowland areas. Most of the Sub1 varieties, which can withstand around 2 weeks of complete submergence, perform poorly in these conditions. Hence, varieties tolerant of stagnant flooding are essential. RESULTS: This paper presents the first study to map QTLs associated with tolerance to stagnant flooding, along with a parallel study under normal irrigation, using an F7 mapping population consisting of 148 RILs derived from a cross of Ciherang-Sub1 and the stagnant-flooding tolerant line IR10F365...
December 2017: Rice
https://www.readbyqxmd.com/read/28428855/conditions-on-the-mexican-moulting-grounds-influence-feather-colour-and-carotenoids-in-bullock-s-orioles-icterus-bullockii
#9
Kaitlin L Sparrow, Kingsley K Donkor, Nancy J Flood, Peter P Marra, Andrew G Pillar, Matthew W Reudink
Carotenoid-based plumage coloration plays a critical role for both inter- and intrasexual communication. Habitat and diet during molt can have important consequences for the development of the ornamental signals used in these contexts. When molt occurs away from the breeding grounds (e.g., pre-alternate molt on the wintering grounds, or stopover molt), discerning the influence of habitat and diet can be particularly important, as these effects may result in important carryover effects that influence territory acquisition or mate choice in subsequent seasons...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28428853/coral-reef-mesopredators-switch-prey-shortening-food-chains-in-response-to-habitat-degradation
#10
Tessa N Hempson, Nicholas A J Graham, M Aaron MacNeil, David H Williamson, Geoffrey P Jones, Glenn R Almany
Diet specificity is likely to be the key predictor of a predator's vulnerability to changing habitat and prey conditions. Understanding the degree to which predatory coral reef fishes adjust or maintain prey choice, in response to declines in coral cover and changes in prey availability, is critical for predicting how they may respond to reef habitat degradation. Here, we use stable isotope analyses to characterize the trophic structure of predator-prey interactions on coral reefs of the Keppel Island Group on the southern Great Barrier Reef, Australia...
April 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28428539/separating-decadal-global-water-cycle-variability-from-sea-level-rise
#11
B D Hamlington, J T Reager, M-H Lo, K B Karnauskas, R R Leben
Under a warming climate, amplification of the water cycle and changes in precipitation patterns over land are expected to occur, subsequently impacting the terrestrial water balance. On global scales, such changes in terrestrial water storage (TWS) will be reflected in the water contained in the ocean and can manifest as global sea level variations. Naturally occurring climate-driven TWS variability can temporarily obscure the long-term trend in sea level rise, in addition to modulating the impacts of sea level rise through natural periodic undulation in regional and global sea level...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28426419/ecological-implications-of-floods-on-the-parasite-communities-of-two-freshwater-catfishes-in-a-neotropical-floodplain
#12
Priscilla de Oliveira Fadel Yamada, Fabio Hideki Yamada, Reinaldo José da Silva, Luciano Alves Dos Anjos
The parasite communities of two freshwater catfishes (Auchenipterus osteomystax and Trachelyopterus galeatus) were analyzed during the dry and rainy seasons in a Neotropical floodplain. The nature of river-floodplain systems places specific demands on parasite community structure, due to changes in the host environment. It was therefore hypothesized that flood conditions lead to an increase in the richness and abundance of fish parasites in the rainy season at the mouth of Aguapeí River floodplain. The Auchenipterus osteomystax parasite community was richer (11 vs...
June 1, 2017: Acta Parasitologica
https://www.readbyqxmd.com/read/28425458/anatomy-of-terminal-moraine-segments-and-implied-lake-stability-on-ngozumpa-glacier-nepal-from-electrical-resistivity-tomography-ert
#13
Sarah S Thompson, Bernd Kulessa, Douglas I Benn, Jordan R Mertes
Moraine-dammed lakes at debris-covered glaciers are becoming increasingly common and pose significant outburst flood hazards if the dam is breached. While moraine subsurface structure and internal processes are likely to influence dam stability, only few sites have so far been investigated. We conducted electrical resistivity tomography (ERT) surveys at two sites on the terminal moraine complex of the Ngozumpa Glacier, Nepal, to aid assessment of future terminus stability. The resistivity signature of glacier ice at the site (100-15 kΩ m) is more consistent with values measured from cold glacier ice and while this may be feasible, uncertainties in the data inversion introduce ambiguity to this thermal interpretation...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28421091/oil-palm-and-rubber-tree-water-use-patterns-effects-of-topography-and-flooding
#14
Afik Hardanto, Alexander Röll, Furong Niu, Ana Meijide, Hendrayanto, Dirk Hölscher
Oil palm and rubber plantations extend over large areas and encompass heterogeneous site conditions. In periods of high rainfall, plants in valleys and at riparian sites are more prone to flooding than plants at elevated topographic positions. We asked to what extent topographic position and flooding affect oil palm and rubber tree water use patterns and thereby influence spatial and temporal heterogeneity of transpiration. In an undulating terrain in the lowlands of Jambi, Indonesia, plantations of the two species were studied in plot pairs consisting of upland and adjacent valley plots...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28420758/the-foxm1-inhibitor-rcm-1-suppresses-goblet-cell-metaplasia-and-prevents-il-13-and-stat6-signaling-in-allergen-exposed-mice
#15
Lifeng Sun, Xiaomeng Ren, I-Ching Wang, Arun Pradhan, Yufang Zhang, Hannah M Flood, Bo Han, Jeffrey A Whitsett, Tanya V Kalin, Vladimir V Kalinichenko
Goblet cell metaplasia and excessive mucus secretion associated with asthma, cystic fibrosis, and chronic obstructive pulmonary disease contribute to morbidity and mortality worldwide. We performed a high-throughput screen to identify small molecules targeting a transcriptional network critical for the differentiation of goblet cells in response to allergens. We identified RCM-1, a nontoxic small molecule that inhibited goblet cell metaplasia and excessive mucus production in mice after exposure to allergens...
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28418218/regulation-of-salt-marsh-mosquito-populations-by-the-18-6-year-lunar-nodal-cycle
#16
Ilia Rochlin, James T Morris
The 18.6-year lunar-nodal cycle drives changes in tidal amplitude globally, affecting coastal habitat formation, species and communities inhabiting rocky shores, and salt marsh vegetation. However, the cycle's influence on salt marsh fauna lacked sufficient long-term data for testing its effect. We circumvented this problem by using salt marsh mosquito records obtained over a period of over four decades in two estuaries in the northeastern USA. Salt marsh mosquito habitat is near the highest tide level where the impact of the nodal cycle on flood frequency is greatest...
April 18, 2017: Ecology
https://www.readbyqxmd.com/read/28417939/soil-lead-and-children-s-blood-lead-disparities-in-pre-and-post-hurricane-katrina-new-orleans-usa
#17
Howard W Mielke, Christopher R Gonzales, Eric T Powell
This study appraises New Orleans soil lead and children's lead exposure before and ten years after Hurricane Katrina flooded the city. Introduction: Early childhood exposure to lead is associated with lifelong and multiple health, learning, and behavioral disorders. Lead exposure is an important factor hindering the long-term resilience and sustainability of communities. Lead exposure disproportionately affects low socioeconomic status of communities. No safe lead exposure is known and the common intervention is not effective...
April 12, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28413336/a-restatement-of-the-natural-science-evidence-concerning-catchment-based-natural-flood-management-in-the-uk
#18
REVIEW
Simon J Dadson, Jim W Hall, Anna Murgatroyd, Mike Acreman, Paul Bates, Keith Beven, Louise Heathwaite, Joseph Holden, Ian P Holman, Stuart N Lane, Enda O'Connell, Edmund Penning-Rowsell, Nick Reynard, David Sear, Colin Thorne, Rob Wilby
Flooding is a very costly natural hazard in the UK and is expected to increase further under future climate change scenarios. Flood defences are commonly deployed to protect communities and property from flooding, but in recent years flood management policy has looked towards solutions that seek to mitigate flood risk at flood-prone sites through targeted interventions throughout the catchment, sometimes using techniques which involve working with natural processes. This paper describes a project to provide a succinct summary of the natural science evidence base concerning the effectiveness of catchment-based 'natural' flood management in the UK...
March 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28410785/plastic-litter-in-sediments-from-the-coasts-of-south-tuscany-tyrrhenian-sea
#19
Susanna Cannas, Paolo Fastelli, Cristiana Guerranti, Monia Renzi
This study estimated the total loads of plastic litter (macro-meso- and micro-plastics) in sediments from a wide stretch of marine and coastal environment of Tyrrhenian Sea. The prevailing category of debris was microplastic. The results obtained, in terms of average amount of microplastic per kilogram of dry sediment, are in agreement with data reported by various Authors internationally. The study area resulted to be uniform for plastic items levels. Particularly evident was the influence of a flood, occurred in November 2012 in Talamone, on sediments collected at the harbour of this locality: in this area, a difference in levels and quality of plastic debris, attributable to periods before and after the flood, was observed in sediments...
April 11, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28410567/farm-suicides-in-new-zealand-2007-2015-a-review-of-coroners-records
#20
Annette L Beautrais
OBJECTIVE: Economic recessions and severe weather events are often associated with increased suicide rates. The Global Dairy Crisis 2015/2016 led to an economic downturn in the New Zealand dairy farming industry and, coupled with droughts in some regions and floods in others, raised fears about increased suicide rates among farmers. However, little was known about suicides in the farming sector. This study reviews characteristics of recent farm-related suicides in New Zealand and assesses the extent to which financial stresses contributed to the deaths...
April 1, 2017: Australian and New Zealand Journal of Psychiatry
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