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Climate variation, reproductive frequency and acorn yield in english Oaks

Journal of Plant ecology 2019年第3期12卷 542-549页

作者： mick e.hanl.y Benjamin I.Cook Michael Fenner School of Biological and Marine Sciences University of PlymouthPlymouthUK NASA Goddard Institute for Space Studies New YorkNYUSA Ocean and Climate Physics Lamont-Doherty Earth ObservatoryPalisadesNYUSA Centre for Biological Sciences University of SouthamptonSouthamptonUK

Aims Annually variable but synchronous production of large seed crops(‘masting’)is a widespread phenomenon in temperate *** concerns about the impacts of anthropogenic climate change(ACC)on plant reproduction gives urgency to our need to understand better the role of climate on tree reproduction,and in particular,mast *** our understanding of reproductive phenology however,there is little consensus regarding how climate affects plant reproductive effort or indeed the actual environmental triggers that underpin masting *** We used a 27-year record of acorn yield from a population of 12 Quercus robur trees located in southern england to compare mast-ing frequency and post-dispersal acorn yield each year for each tree,with long-term weather data over the same *** focussed on discrete or sequential climate cues(temperature,precipitation and frost days)as likely predictors of oak *** Findings Annual post-dispersal acorn crop varied greatly;*** acorns in 14 of the 27 years,but there was no sequential pattern of crop ver-sus non-crop years indicating that weather,rather than resource limitation alone,dictated the timing of *** years were instead most closely associated with relatively cool late sum-mer conditions in the preceding year,followed by anomalous sum-mer warmth within crop *** yield increased following dry April and above-average May and June temperatures within crop *** our results support a general association between warm late spring and summer conditions,and crop frequency and yield,respectively,the influence of cooler later summer conditions in the year prior to masting highlights how a combination of weather cues may dictate the occurrence of mast ***,our results corroborate not only the hypothesis that temperature differ-entials between consecutive years,not absolute temperatures,may be the better predictor of mast seeding events but lend support al

关键词： anthropogenic climate change environmental veto Moran effect Quercus robur reproductive effort

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Differential responses of three coastal grassland species to seawater flooding

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Journal of Plant ecology 2017年第2期10卷 322-330页

作者： mick e.hanl.y Tom L.Gove Gregory R.Cawthray Timothy D.Colmer School of Biological Sciences Plymouth UniversityDrake CircusPlymouth PL48AAEngland School of Plant Biology The University of Western Australia35 Stirling HighwayCrawley6009 WAAustralia

Aims Supratidal plant communities fulfil a vital role in coastal protec-tion,but despite an increased likelihood of seawater flooding resulting from anthropogenic climate change,we understand little about how tidal inundation affects these habitats or interactions between their component *** aim was to determine how three common coastal grassland species responded to simulated seawater flooding and how subsequent changes to their ecophysi-ology,growth and survival might affect plant-plant interactions in mixed *** Seeds of three widely distributed european coastal grassland species(Leontodon autumnalis Asteraceae,Plantago lanceo-lata Plantaginaceae and Trifolium pratense Fabaceae)were collected from a coastal grassland site in South West *** experiment 1,we quantified changes in leaf ion(K^(+),Na^(+),Cl^(−))concentrations as a response to short-duration(0,2,8 or 24 h)immersion in seawater of the root-zone before monitoring longer-term effects on plant survival and *** a second experiment,we examined community-level responses by subjecting mixed assemblages of all three species to seawater immersion for(0,12,24 or 96 h).Important Findings When grown individually,one species(Trifolium)had markedly reduced survival with increasing soil immersion time,but a con-sistent decline in plant growth for all species with flooding dura-tion was most likely linked to osmotic and ionic stresses caused by salt ion *** mixed assemblages,all species suffered increased mortality and reduced growth following seawater flood-ing,although the relative contribution of one species(Leontodon)to total biomass increased in flooded *** thus demon-strate a number of species-specific responses to simulated seawater flooding and show that when grown together,interactions between plants are altered as a *** argue that variation in the responses of component plant species will dictate how coastal plant communities respond to,and r

关键词： climate change salinity sea-level rise soil waterlogging storm surge microcosm

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The association between ADHD and eating disorders/pathology in adolescents: A systematic review

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Open Journal of epidemiology 2013年第4期3卷 193-202页

作者： Carol Curtin Sherry L. Pagoto eric mick Division of Behavioral and Preventive Medicine University of Massachusetts Medical School Worcester USA Family Medicine & Community Health E.K. Shriver Center University of Massachusetts Medical School Waltham USA Quantitative Health Sciences University of Massachusetts Medical School Worcester USA

Background: Attention-Deficit/Hyperactivity Disorder (ADHD), one of the most common neurodevelopmental conditions of childhood, is associated with high rates of mood and behavioral disorders. Preliminary evidence suggests that ADHD may also be associated with eating disorders (eD) or eating pathology (eP). This systematic review synthesizes the extant published literature on this association among youth ages 12-21 years. Methods: Literature searches were performed using Medline, Ovid/Psych Info, Google Scholar, and via manual inspection of bibliographies. Cross-sectional, case-control, and prospective studies published in english with sample sizes larger than 50, participant ages 12-21 years, and assessed ADHD and eD or eP, were considered for review. Case reports, feeding, and drug studies were excluded. Results: Preliminary searches yielded 337 articles;eight articles met inclusion/exclusion criteria. Two studies documented an association between ADHD and eD, and three studies found an association between ADHD and eP. youth with ADHD were nearly 3 to 6 times more likely to develop an eD than youth without ADHD, and were also more likely to have higher rates of eP, body dissatisfaction, and desire to lose weight/ drive for thinness. Impulsivity was predictive of eP, and ADHD youth with co-occurring mood/behavioral disorders and punitive parental relationships were at higher risk. Conclusions: Five of eight studies documented an association between ADHD and eD or eP in adolescents. Future research is needed to confirm and refine further these findings. The findings have clinical implications, including the inclusion of eD/eP in screening and anticipatory guidance efforts. evaluating whether medical management of ADHD may be efficacious in preventing and/or treating eD/eP is also warranted.

关键词： ADHD Adolescents eating Disorders eating Pathology

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Combining hydropyrolysis and compound specific stable isotope measurements to identify sources of biodegrade PAHs in soils and sediments

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Chinese Journal Of Geochemistry 2006年第B8期25卷 90-91页

作者： Chenggong SUN Gbolagade Olalere Wisdom Ivwurie mick Cooper Christopher H. Vane Colin Snape University of Nottingham University Park Nottingham NG7 2RD UK Christover H. Vane British Geological Survey Kingsley Dunham Centre Keyworth Nottingham NGI2 5GG UK

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2010-2015年全球实验室网络支持的消除麻疹和风疹工作的进展

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上海预防医学 2018年第2期30卷 156-159页

作者： mick n.mulders paul a.rota joseph p.icenogle kevin e.brown makoto takeda gloria j.rey myriam c.ben mamou annick r.g.a.dosseh charles r.byabamazima hinda j.ahmed sirima pattamadilok yan zhang marta gacic-dobo peter m.strebel james l.goodson 周惠嘉(翻译) department of immunization vaccinesand biologicalsworld health organization(who) division of viral diseases national center for immunization and respiratory diseasescdc virus reference department public health englandcolindale-london national institute of infectious diseases comprehensive family immunization who regional office for the americaspan american health organization vaccine-preventable diseases and immunization who regional office for europe accelerated immunisations initiatives program who regional office for africaintercountry support team west and central africa accelerated immunisations initiatives program who regional office for africaintercountry support team east and southern africa vaccine-preventable diseases and immunization who regional office for the eastern mediterranean region immunization and vaccine development who regional office for southeast asia expanded programme on immunization who regional office for western pacific global immunization division center for global healthcdc 不详

2012年,世界卫生大会（World Health Assembly）签署全球疫苗行动计划（Global Vaccine Action Plan,GVAP）,该计划旨在2020年前消除世界卫生组织（World Health Qrganization,WHO）5个区域的麻疹和风疹。2013年9月,WHO 6个区域的所有... 详细信息

关键词：风疹病毒基因型消除麻疹麻疹病毒实验室

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