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https://www.readbyqxmd.com/read/28108712/where-s-welfare-redesigning-our-food-for-the-future
#1
(no author information available yet)
While there is a need to feed a growing global population, this must be done in a way that is compatible with achieving climate change objectives and promoting social justice and environmental stewardship, while also accounting for the interests of animals farmed for food. A session at the BVA Congress during the London Vet Show in November asked where animal welfare might lie within future food production systems. Olivia Azouaghe reports.
January 21, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28108432/living-on-the-edge-conservation-genetics-of-seven-thermophilous-plant-species-in-a-high-arctic-archipelago
#2
Siri Birkeland, Idunn Elisabeth Borgen Skjetne, Anne Krag Brysting, Reidar Elven, Inger Greve Alsos
Small, isolated, and/or peripheral populations are expected to harbour low levels of genetic variation and may therefore have reduced adaptability to environmental change, including climate warming. In the Arctic, global warming has already caused vegetation change across the region and is acting as a significant stressor on Arctic biodiversity. Many of the rare plants in the Arctic are relicts from early Holocene warm periods, but their ability to benefit from the current warming is dependent on the viability of their populations...
January 20, 2017: AoB Plants
https://www.readbyqxmd.com/read/28108164/assessment-of-co-benefits-of-vehicle-emission-reduction-measures-for-2015-2020-in-the-pearl-river-delta-region-china
#3
Yong-Hong Liu, Wen-Yuan Liao, Xiao-Fang Lin, Li Li, Xue-Lan Zeng
Vehicle emissions have become one of the key factors affecting the urban air quality and climate change in the Pearl River Delta (PRD) region, so it is important to design policies of emission reduction based on quantitative Co-benefits for air pollutants and greenhouse gas (GHG). Emissions of air pollutants and GHG by 2020 was predicted firstly based on the no-control scenario, and five vehicle emissions reduction scenarios were designed in view of the economy, technology and policy, whose emissions reduction were calculated...
January 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28108136/a-knowledge-translation-framework-on-ageing-and-health
#4
Moriah E Ellen, Ulysses Panisset, Islene Araujo de Carvalho, James Goodwin, John Beard
BACKGROUND: The world's population aged 60 and over will more than triple from 600 million to 2 billion between the years 2000 to 2050. This demographic change has significant impact on health, social, and economic sectors. The need to ensure that research into older peoples' health is effectively translated to policy is immediate. OBJECTIVE: The purpose of this paper is to present a proposed framework to support evidence informed policymaking in ageing and health...
January 6, 2017: Health Policy
https://www.readbyqxmd.com/read/28107778/parabolic-variation-in-sexual-selection-intensity-across-the-range-of-a%C3%A2-cold-water-pipefish-implications-for-susceptibility-to-climate-change
#5
Nuno Monteiro, Mário Cunha, Lídia Ferreira, Natividade Vieira, Agostinho Antunes, David Lyons, Adam G Jones
While an understanding of evolutionary processes in shifting environments is vital in the context of rapid ecological change, one of the most potent selective forces, sexual selection, remains curiously unexplored. Variation in sexual selection across a species range, especially across a gradient of temperature regimes, has the potential to provide a window into the possible impacts of climate change on the evolution of mating patterns. Here, we investigated some of the links between temperature and indicators of sexual selection, using a cold-water pipefish as model...
January 20, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28107770/different-parts-different-stories-climate-sensitivity-of-growth-is-stronger-in-root-collars-versus-stems-in-tundra-shrubs
#6
Pascale Ropars, Sandra Angers-Blondin, Marianne Gagnon, Isla H Myers-Smith, Esther Lévesque, Stéphane Boudreau
Shrub densification has been widely reported across the circumpolar arctic and subarctic biomes in recent years. Long-term analyses based on dendrochronological techniques applied to shrubs have linked this phenomenon to climate change. However, the multi-stemmed structure of shrubs makes them difficult to sample and therefore leads to non-uniform sampling protocols among shrub ecologists, who will favor either root collars or stems to conduct dendrochronological analyses. Through a comparative study of the use of root collars and stems of Betula glandulosa, a common North American shrub species, we evaluated the relative sensitivity of each plant part to climate variables, and assessed if this sensitivity is consistent across three different types of environments in northwestern Québec, Canada (terrace, hilltop and snowbed)...
January 20, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28107722/microalgae-biorefinery-high-value-products-perspectives
#7
Kit Wayne Chew, Jing Ying Yap, Pau Loke Show, Ng Hui Suan, Joon Ching Juan, Tau Chuan Ling, Duu-Jong Lee, Jo-Shu Chang
Microalgae have received much interest as a biofuel feedstock in response to the uprising energy crisis, climate change and depletion of natural sources. Development of microalgal biofuels from microalgae does not satisfy the economic feasibility of overwhelming capital investments and operations. Hence, high-value co-products have been produced through the extraction of a fraction of algae to improve the economics of a microalgae biorefinery. Examples of these high-value products are pigments, proteins, lipids, carbohydrates, vitamins and anti-oxidants, with applications in cosmetics, nutritional and pharmaceuticals industries...
January 10, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28107563/are-commercial-sweet-cherry-rootstocks-adapted-to-climate-change-short-term-waterlogging-and-co2-effects-on-sweet-cherry-cv-burlat
#8
Margarita Pérez-Jiménez, María Hernández-Munuera, M Carmen Piñero, Gregorio López-Ortega, Francisco M Del Amor
High CO2 is able to ameliorate some negative effects due to climate change and intensify others. This study involves the sweet cherry (Prunus avium) cultivar 'Burlat' grafted on the 'Mariana 2624', 'Adara' and 'LC 52' rootstocks. In a climate chamber at two CO2 concentrations: ambient (400 µmol mol(-1) ) and elevated (800 µmol mol(-1) ), the plants were submitted to waterlogging for seven days, followed by seven days of recovery after drainage. Waterlogging drastically decreased the rate of photosynthesis, significantly endangering plant survival, particularly for the 'LC 52' and 'Adara' rootstocks...
January 20, 2017: Plant, Cell & Environment
https://www.readbyqxmd.com/read/28106932/metal-co2-batteries-on-the-road-co2-from-contamination-gas-to-energy-source
#9
REVIEW
Zhaojun Xie, Xin Zhang, Zhang Zhang, Zhen Zhou
Rechargeable nonaqueous metal-air batteries attract much attention for their high theoretical energy density, especially in the last decade. However, most reported metal-air batteries are actually operated in a pure O2 atmosphere, while CO2 and moisture in ambient air can significantly impact the electrochemical performance of metal-O2 batteries. In the study of CO2 contamination on metal-O2 batteries, it has been gradually found that CO2 can be utilized as the reactant gas alone; namely, metal-CO2 batteries can work...
January 20, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28106469/building-a-dna-barcode-library-of-alaska-s-non-marine-arthropods
#10
Derek S Sikes, Matthew Bowser, John M Morton, Casey Bickford, Sarah Meierotto, Kyndall Hildebrandt
Climate change may result in ecological futures with novel species assemblages, trophic mismatch, and mass extinction. Alaska has a limited taxonomic workforce to address these changes. We are building a DNA barcode library to facilitate a metabarcoding approach to monitoring non-marine arthropods. Working with the Canadian Centre for DNA Barcoding, we obtained DNA barcodes from recently collected and authoritatively identified specimens in the University of Alaska Museum (UAM) Insect Collection and the Kenai National Wildlife Refuge collection...
October 21, 2016: Genome Génome / Conseil National de Recherches Canada
https://www.readbyqxmd.com/read/28106080/morphological-physiological-and-anatomical-traits-of-plant-functional-types-in-temperate-grasslands-along-a-large-scale-aridity-gradient-in-northeastern-china
#11
Chengyuan Guo, Linna Ma, Shan Yuan, Renzhong Wang
At the species level, plants can respond to climate changes by changing their leaf traits; however, there is scant information regarding the responses of morphological, physiological and anatomical traits of plant functional types (PFTs) to aridity. Herein, the leaf traits of five PFTs representing 17 plant species in temperate grasslands were examined along a large-scale aridity gradient in northeastern China. The results show that leaf thickness in shrubs, perennial grasses and forbs increased with heightened aridity...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28106043/humans-rather-than-climate-the-primary-cause-of-pleistocene-megafaunal-extinction-in-australia
#12
Sander van der Kaars, Gifford H Miller, Chris S M Turney, Ellyn J Cook, Dirk Nürnberg, Joachim Schönfeld, A Peter Kershaw, Scott J Lehman
Environmental histories that span the last full glacial cycle and are representative of regional change in Australia are scarce, hampering assessment of environmental change preceding and concurrent with human dispersal on the continent ca. 47,000 years ago. Here we present a continuous 150,000-year record offshore south-western Australia and identify the timing of two critical late Pleistocene events: wide-scale ecosystem change and regional megafaunal population collapse. We establish that substantial changes in vegetation and fire regime occurred ∼70,000 years ago under a climate much drier than today...
January 20, 2017: Nature Communications
https://www.readbyqxmd.com/read/28105716/what-does-variation-in-primate-behavior-mean
#13
Karen B Strier
Interest in intraspecific behavioral variation has grown with concerns about the ability of primates to adapt to the rapidly changing ecological and demographic conditions that threaten their survival. Now, in addition to identifying the causes and phylogenetic distribution of normative, species-specific behavior patterns for interspecific comparisons, there is widespread recognition of the need to incorporate intraspecific variation. This variation is evident across groups and populations of the same species as well over the long histories of single groups of long-lived, socially complex animals with overlapping generations...
January 2017: American Journal of Physical Anthropology
https://www.readbyqxmd.com/read/28105701/climate-change-and-alpine-stream-biology-progress-challenges-and-opportunities-for-the-future
#14
Scott Hotaling, Debra S Finn, J Joseph Giersch, David W Weisrock, Dean Jacobsen
In alpine regions worldwide, climate change is dramatically altering ecosystems and affecting biodiversity in many ways. For streams, receding alpine glaciers and snowfields, paired with altered precipitation regimes, are driving shifts in hydrology, species distributions, basal resources, and threatening the very existence of some habitats and biota. Alpine streams harbour substantial species and genetic diversity due to significant habitat insularity and environmental heterogeneity. Climate change is expected to affect alpine stream biodiversity across many levels of biological resolution from micro- to macroscopic organisms and genes to communities...
January 20, 2017: Biological Reviews of the Cambridge Philosophical Society
https://www.readbyqxmd.com/read/28104829/climate-change-and-lung-health-the-challenge-for-a-new-president
#15
EDITORIAL
Nicholas S Hopkinson, Nicholas Hart, Gisli Jenkins, Naftali Kaminski, Margaret Rosenfeld, Alan Smyth, Alex Wilkinson
No abstract text is available yet for this article.
January 19, 2017: Thorax
https://www.readbyqxmd.com/read/28104801/aquatic-insects-in-a-multistress-environment-cross-tolerance-to-salinity-and-desiccation
#16
Susana Pallarés, María Botella-Cruz, Paula Arribas, Andrés Millán, Josefa Velasco
Exposing organims to a particular stressor may enhance tolerance to a subsequent stress, when protective mechanisms against both stressors are shared. Such cross-tolerance is a common adaptive response in dynamic multivariate environments and often indicates potential co-evolution of stress traits. Many aquatic insects in inland saline waters from Mediterranean-climate regions are sequentially challenged with salinity and desiccation stress. Thus, cross-tolerance to these physiologically similar stressors could have been positively selected in insects of these regions...
January 19, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28104590/germination-responses-to-current-and-future-temperatures-of-four-seeder-shrubs-across-a-latitudinal-gradient-in-western-iberia
#17
Daniel Chamorro, Belén Luna, José M Moreno
PREMISE OF THE STUDY: Species differ in their temperature germination niche. Populations of a species may similarly differ across the distribution range of the species. Anticipating the impacts of climate variability and change requires understanding the differential sensitivity to germination temperature among and within species. Here we studied the germination responses of four hard-seeded Cistaceae seeders to a range of current and future temperatures. METHODS: Seeds were collected at sites across the Iberian Peninsula and exposed or not exposed to a heat shock to break dormancy, then set to germinate under four temperature regimes...
January 19, 2017: American Journal of Botany
https://www.readbyqxmd.com/read/28104175/adapting-global-health-aid-in-the-face-of-climate-change
#18
Vin Gupta, Alexandre Mason-Sharma, Stephanie N Caty, Vanessa Kerry
No abstract text is available yet for this article.
February 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28103280/formulation-general-features-and-global-calibration-of-a-bioenergetically-constrained-fishery-model
#19
David A Carozza, Daniele Bianchi, Eric D Galbraith
Human exploitation of marine resources is profoundly altering marine ecosystems, while climate change is expected to further impact commercially-harvested fish and other species. Although the global fishery is a highly complex system with many unpredictable aspects, the bioenergetic limits on fish production and the response of fishing effort to profit are both relatively tractable, and are sure to play important roles. Here we describe a generalized, coupled biological-economic model of the global marine fishery that represents both of these aspects in a unified framework, the BiOeconomic mArine Trophic Size-spectrum (BOATS) model...
2017: PloS One
https://www.readbyqxmd.com/read/28103271/early-stages-of-sea-level-rise-lead-to-decreased-salt-marsh-plant-diversity-through-stronger-competition-in-mediterranean-climate-marshes
#20
Akana E Noto, Jonathan B Shurin
Climate change shuffles species ranges and creates novel interactions that may either buffer communities against climate change or exacerbate its effect. For instance, facilitation can become more prevalent in salt marshes under stressful conditions while competition is stronger in benign environments. Sea-level rise (SLR) is a consequence of climate change that affects the distribution of stress from inundation and salinity. To determine how interactions early in SLR are affected by changes in these two stressors in Mediterranean-climate marshes, we transplanted marsh turfs to lower elevations to simulate SLR and manipulated cover of the dominant plant species, Salicornia pacifica (formerly Salicornia virginica)...
2017: PloS One
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