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https://www.readbyqxmd.com/read/28319711/why-coastal-upwelling-is-expected-to-increase-along-the-western-iberian-peninsula-over-the-next-century
#1
Magda Catarina Sousa, Maite deCastro, Ines Alvarez, Moncho Gomez-Gesteira, João Miguel Dias
Former studies about coastal upwelling along the Western Iberian Peninsula (WIP) using historical data indicated contradictory results, showing either its strengthening or reduction, while previous studies using Global Climate Models (GCMs) indicated that global warming is likely to intensify this phenomenon although predicting different rates and not justifying the patterns found. Taking advantage of the recent high spatial resolution Regional Climate Models (RCMs) projections from EURO-CORDEX project (Representative Concentration Pathway, RCP 8...
March 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28318241/mitigating-greenhouse-gas-and-ammonia-emissions-from-swine-manure-management-a-system-analysis
#2
Yue Wang, Hongmin Dong, Zhiping Zhu, Pierre J Gerber, Hongwei Xin, Pete Smith, Carolyn Opio, Henning Steinfeld, Dave Chadwick
Gaseous emissions from animal manure are considerable contributor to global ammonia (NH3) and agriculture greenhouse gas (GHG) emissions. Given the demand to promote mitigation of GHGs while fostering sustainable development of the Paris Agreement, an improvement of management systems is urgently needed to help mitigate climate change and to improve atmospheric air quality. This study presents a meta-analysis and an integrated assessment of gaseous emissions and mitigation potentials for NH3, methane (CH4) and nitrous oxide (N2O) (direct and indirect) losses from four typical swine manure management systems (MMSs)...
March 20, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28317605/use-of-foodomics-for-control-of-food-processing-and-assessing-of-food-safety
#3
D Josić, Ž Peršurić, D Rešetar, T Martinović, L Saftić, S Kraljević Pavelić
Food chain, food safety, and food-processing sectors face new challenges due to globalization of food chain and changes in the modern consumer preferences. In addition, gradually increasing microbial resistance, changes in climate, and human errors in food handling remain a pending barrier for the efficient global food safety management. Consequently, a need for development, validation, and implementation of rapid, sensitive, and accurate methods for assessment of food safety often termed as foodomics methods is required...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28317479/climate-changes-and-human-health-a-review-of-the-effect-of-environmental-stressors-on-cardiovascular-diseases-across-epidemiology-and-biological-mechanisms
#4
Paolo Giorgini, Paolo Di Giosia, Marco Petrarca, Francesco Lattanzio, Cosimo Andrea Stamerra, Claudio Ferri
BACKGROUND: Climate change is rapidly affecting all the regions of our planet. The most relevant example is global warming, which impacts on the earth's ecosystems, threatening human health. Other effects include extreme variations in temperature and increases in air pollution. These events may negatively impact mortality and morbidity for cardiovascular diseases. METHODS: In this review, we discuss the main effects of climate changes on cardiovascular diseases, reporting the epidemiological evidences and the biological mechanisms linking climate change consequences to hypertension, diabetes, ischemic heart diseases, heart failure and stroke...
March 17, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28317324/big-in-the-benthos-future-change-of-seafloor-community-biomass-in-a-global-body-size-resolved-model
#5
Andrew Yool, Adrian P Martin, Thomas R Anderson, Brian J Bett, Daniel O B Jones, Henry A Ruhl
Deep-water benthic communities in the ocean are almost wholly dependent on near-surface pelagic ecosystems for their supply of energy and material resources. Primary production in sunlit surface waters is channelled through complex food webs that extensively recycle organic material, but lose a fraction as particulate organic carbon (POC) that sinks into the ocean interior. This exported production is further rarefied by microbial breakdown in the abyssal ocean, but a residual ultimately drives diverse assemblages of seafloor heterotrophs...
March 19, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28317232/soil-parent-material-a-major-driver-of-plant-nutrient-limitations-in-terrestrial-ecosystems
#6
Laurent Augusto, David L Achat, Mathieu Jonard, David Vidal, Bruno Ringeval
Because the capability of terrestrial ecosystems to fix carbon is constrained by nutrient availability, understanding how nutrients limit plant growth is a key contemporary question. However, what drives nutrient limitations at global scale remains to be clarified. Using global data on plant growth, plant nutritive status, and soil fertility, we investigated to which extent soil parent materials explain nutrient limitations. We found that N limitation was not linked to soil parent materials, but was best explained by climate: ecosystems under harsh (i...
March 19, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28316329/xerotolerant-bacteria-surviving-through-a-dry-spell
#7
REVIEW
Pedro H Lebre, Pieter De Maayer, Don A Cowan
Water is vital for many biological processes and is essential for all living organisms. However, numerous macroorganisms and microorganisms have adapted to survive in environments in which water is scarce; such organisms are collectively termed xerotolerant. With increasing global desertification due to climate change and human-driven desertification processes, it is becoming ever more important to understand how xerotolerant organisms cope with a lack of water. In this Review, we discuss the environmental, physiological and molecular adaptations that enable xerotolerant bacteria to survive in environments in which water is scarce and highlight insights from modern 'omics' technologies...
March 20, 2017: Nature Reviews. Microbiology
https://www.readbyqxmd.com/read/28314795/unique-physiological-and-transcriptional-shifts-under-combinations-of-salinity-drought-and-heat
#8
Lidor Shaar-Moshe, Eduardo Blumwald, Zvi Peleg
Climate change-driven stresses such as extreme temperatures, water deficit, and ion imbalance are projected to exacerbate and jeopardize global food security. Under field conditions, these stresses usually occur simultaneously and cause damages that exceed single stresses. Here, we investigated the transcriptional patterns and morpho-physiological acclimations, of Brachypodium dystachion, to single salinity, drought and heat stresses as well as their double and triple stress combinations. Hierarchical clustering analysis of morpho-physiological acclimations showed that several traits exhibited a gradually aggravating effect as plants were exposed to combined stresses...
March 17, 2017: Plant Physiology
https://www.readbyqxmd.com/read/28314615/distinguishing-globally-driven-changes-from-regional-and-local-scale-impacts-the-case-for-long-term-and-broad-scale-studies-of-recovery-from-pollution
#9
S J Hawkins, A J Evans, N Mieszkowska, L C Adams, S Bray, M T Burrows, L B Firth, M J Genner, K M Y Leung, P J Moore, K Pack, H Schuster, D W Sims, M Whittington, E C Southward
Marine ecosystems are subject to anthropogenic change at global, regional and local scales. Global drivers interact with regional- and local-scale impacts of both a chronic and acute nature. Natural fluctuations and those driven by climate change need to be understood to diagnose local- and regional-scale impacts, and to inform assessments of recovery. Three case studies are used to illustrate the need for long-term studies: (i) separation of the influence of fishing pressure from climate change on bottom fish in the English Channel; (ii) recovery of rocky shore assemblages from the Torrey Canyon oil spill in the southwest of England; (iii) interaction of climate change and chronic Tributyltin pollution affecting recovery of rocky shore populations following the Torrey Canyon oil spill...
March 14, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28314608/trophic-availability-buffers-the-detrimental-effects-of-clogging-in-an-alpine-stream
#10
Alberto Doretto, Francesca Bona, Elena Piano, Ilaria Zanin, Anna Chiara Eandi, Stefano Fenoglio
Clogging, the streambed colmation by fine sediments, is an important widespread source of impact affecting freshwaters. Alterations in stream morphology and hydrology, added to the effects of global climate change, are responsible for this phenomenon, that is particularly pernicious in mountainous lotic systems naturally characterized by coarse substrates. Among the studies investigating this issue some were descriptive, while others used artificial substrates to compare ongoing fine sediment accumulation and macroinvertebrate assemblage recruitment...
March 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28303943/increased-chemical-weathering-during-the-deglacial-to-mid-holocene-summer-monsoon-intensification
#11
Pavan Miriyala, N P Sukumaran, B Nagender Nath, P B Ramamurty, A V Sijinkumar, B Vijayagopal, V Ramaswamy, Tyson Sebastian
Chemical weathering and the ensuing atmospheric carbon dioxide consumption has long been considered to work on geological time periods until recently when some modelling and natural records have shown that the weathering-related CO2 consumption can change at century to glacial-interglacial time scale. Last glacial to interglacial transition period is a best test case to understand the interplay between Pco2-temperature-chemical weathering when a pulse of rapid chemical weathering was initiated. Here we show, from a high resolution 54 ka record from the Andaman Sea in the northern Indian Ocean, that the chemical weathering responds to deglacial to mid-Holocene summer monsoon intensification in the Myanmar watersheds...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28296279/an-immunohistochemical-approach-to-identify-the-sex-of-young-marine-turtles
#12
Boris M Tezak, Kathleen Guthrie, Jeanette Wyneken
Marine turtles exhibit temperature-dependent sex determination (TSD). During critical periods of embryonic development, the nest's thermal environment directs whether an embryo will develop as a male or female. At warmer sand temperatures nests tend to produce female-biased sex ratios. The rapid increase of global temperature highlights the need for a clear assessment of its effects on sea turtle sex ratios. However, estimating hatchling sex ratios at rookeries remains imprecise due to the lack of sexual dimorphism in young marine turtles...
March 13, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28295834/an-expert-system-model-for-mapping-tropical-wetlands-and-peatlands-reveals-south-america-as-the-largest-contributor
#13
Thomas Gumbricht, Rosa Maria Roman-Cuesta, Louis Verchot, Martin Herold, Florian Wittmann, Ethan Householder, Nadine Herold, Daniel Murdiyarso
Wetlands are important providers of ecosystem services and key regulators of climate change. They positively contribute to global warming through their greenhouse gas emissions, and negatively through the accumulation of organic material in histosols, particularly in peatlands. Our understanding of wetlands' services is currently constrained by limited knowledge on their distribution, extent, volume, inter-annual flood variability, and disturbance levels. We present an expert system approach to estimate wetland and peatland areas, depths and volumes, which relies on three biophysical indices related to wetland and peat formation: 1...
March 15, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28295602/child-survival-revolutions-revisited-lessons-learned-from-bangladesh-nicaragua-rwanda-and-vietnam
#14
REVIEW
Lars Åke Persson, Anisur Rahman, Rodolfo Peña, Wilton Perez, Aimable Musafili, Dinh Phuong Hoa
Analysing child mortality may enhance our perspective on global achievements in child survival. We used data from surveillance sites in Bangladesh, Nicaragua and Vietnam and Demographic Health Surveys in Rwanda to explore the development of neonatal and under-five mortality. The mortality curves showed dramatic reductions over time, but child mortality in the four countries peaked during wars and catastrophes and was rapidly reduced by targeted interventions, multi-sectorial development efforts and community engagement CONCLUSION: Lessons learned from these countries may be useful when tackling future challenges, including persistent neonatal deaths, survival inequalities and the consequences of climate change and migration...
March 12, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28289265/contact-structure-mobility-environmental-impact-and-behaviour-the-importance-of-social-forces-to-infectious-disease-dynamics-and-disease-ecology
#15
REVIEW
Ronan F Arthur, Emily S Gurley, Henrik Salje, Laura S P Bloomfield, James H Jones
Human factors, including contact structure, movement, impact on the environment and patterns of behaviour, can have significant influence on the emergence of novel infectious diseases and the transmission and amplification of established ones. As anthropogenic climate change alters natural systems and global economic forces drive land-use and land-cover change, it becomes increasingly important to understand both the ecological and social factors that impact infectious disease outcomes for human populations...
May 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28289256/global-change-parasite-transmission-and-disease-control-lessons-from-ecology
#16
REVIEW
Joanne Cable, Iain Barber, Brian Boag, Amy R Ellison, Eric R Morgan, Kris Murray, Emily L Pascoe, Steven M Sait, Anthony J Wilson, Mark Booth
Parasitic infections are ubiquitous in wildlife, livestock and human populations, and healthy ecosystems are often parasite rich. Yet, their negative impacts can be extreme. Understanding how both anticipated and cryptic changes in a system might affect parasite transmission at an individual, local and global level is critical for sustainable control in humans and livestock. Here we highlight and synthesize evidence regarding potential effects of 'system changes' (both climatic and anthropogenic) on parasite transmission from wild host-parasite systems...
May 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28289231/flowering-phenology-shifts-in-response-to-biodiversity-loss
#17
Amelia A Wolf, Erika S Zavaleta, Paul C Selmants
Observational studies and experimental evidence agree that rising global temperatures have altered plant phenology-the timing of life events, such as flowering, germination, and leaf-out. Other large-scale global environmental changes, such as nitrogen deposition and altered precipitation regimes, have also been linked to changes in flowering times. Despite our increased understanding of how abiotic factors influence plant phenology, we know very little about how biotic interactions can affect flowering times, a significant knowledge gap given ongoing human-caused alteration of biodiversity and plant community structure at the global scale...
March 13, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28287648/monitoring-and-modeling-the-tibetan-plateau-s-climate-system-and-its-impact-on-east-asia
#18
Yaoming Ma, Weiqiang Ma, Lei Zhong, Zeyong Hu, Maoshan Li, Zhikun Zhu, Cunbo Han, Binbin Wang, Xin Liu
The Tibetan Plateau is an important water source in Asia. As the "Third Pole" of the Earth, the Tibetan Plateau has significant dynamic and thermal effects on East Asian climate patterns, the Asian monsoon process and atmospheric circulation in the Northern Hemisphere. However, little systematic knowledge is available regarding the changing climate system of the Tibetan Plateau and the mechanisms underlying its impact on East Asia. This study was based on "water-cryosphere-atmosphere-biology" multi-sphere interactions, primarily considering global climate change in relation to the Tibetan Plateau -East Asia climate system and its mechanisms...
March 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28286602/climate-change-allergy-and-asthma-and-the-role-of-tropical-forests
#19
REVIEW
Gennaro D'Amato, Carolina Vitale, Nelson Rosario, Herberto Josè Chong Neto, Deborah Carla Chong-Silva, Francisco Mendonça, Josè Perini, Loraine Landgraf, Dirceu Solé, Mario Sánchez-Borges, Ignacio Ansotegui, Maria D'Amato
BACKGROUND: Tropical forests cover less than 10 per cent of all land area (1.8 × 107 km(2)) and over half of the tropical-forest area (1.1 × 107 Km(2)) is represented by humid tropical forests (also called tropical rainforests). The Amazon basin contains the largest rainforest on Earth, almost 5.8 million km(2), and occupies about 40% of South America; more than 60% of the basin is located in Brazil and the rest in Bolivia, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname and Venezuela...
2017: World Allergy Organization Journal
https://www.readbyqxmd.com/read/28286496/response-of-bacterial-communities-to-different-detritus-compositions-in-arctic-deep-sea-sediments
#20
Katy Hoffmann, Christiane Hassenrück, Verena Salman-Carvalho, Moritz Holtappels, Christina Bienhold
Benthic deep-sea communities are largely dependent on particle flux from surface waters. In the Arctic Ocean, environmental changes occur more rapidly than in other ocean regions, and have major effects on the export of organic matter to the deep sea. Because bacteria constitute the majority of deep-sea benthic biomass and influence global element cycles, it is important to better understand how changes in organic matter input will affect bacterial communities at the Arctic seafloor. In a multidisciplinary ex situ experiment, benthic bacterial deep-sea communities from the Long-Term Ecological Research Observatory HAUSGARTEN were supplemented with different types of habitat-related detritus (chitin, Arctic algae) and incubated for 23 days under in situ conditions...
2017: Frontiers in Microbiology
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