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Neglected tropical diseases activities in Africa in the COVID-19 era:the need for a"hybrid" approach in COVID-endemic times

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Infectious Diseases of Poverty 2021年第1期10卷 74-86页

作者： David Molyneux Simon Bush Ron Bannerman philip downs Joy Shu'aibu Pelagie Boko-Collins loasia Radvan Leah Wohlgemuth Chris Boyton Department of Tropical Diseases Biology Centre for Neglected Tropical DiseasesLiverpool School of Tropical MedicinePern broke PlaceLiverpool L35QAUK Neglected Tropical Diseases SightsaversAirportP O Box KIA18190AccraGhana Neglected Tropical Diseases(Ascend West and Central Africa) Sightsavers35 Perrymount RdHaywards Heath RH163BZUK Neglected Tropical Diseases Sightsavers23 Beverly Dr.DurhamNC 27707USA Programme Operations SightsaversNigeria Country Office-No 1 Golf Course RoadRO.Box 503KadunaNigeria Neglected Tropical Diseases SightsaversBenin Country Office-3 rd Floor of the Riveria Golf BuildingAkpakpaLot 4002 FOld BridgeRepublic of Benin Neglected Tropical Diseases Sightsavers35Perrymount RdHaywards Heath RH163BZ.UK M&C Saatchi World Services 36 Golden SquareLondon W 9EEUK.

With the coronavirus disease 2019(COVID-19)pandemic showing no signs of abating,resuming neglected tropical disease(NTD)activities,particularly mass drug administration(MDA)Z is *** to resume activities will not only enhance the risk of NTD transmission,but will fail to leverage behaviour change messaging on the importance of hand and face washing and improved sanitation--a common strategy for several NTDs that also reduces the risk of COVID-19 *** so-called"hybrid approach"will dem on strate best practices for mitigating the spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)by incorporating physical distancing,use of masks,and frequent hand-washing in the delivery of medicines to endemic communities and support action against the transmission of the virus through water,sanitation and hygiene interventions promoted by NTD *** MDA and morbidity management activities resume,achievement of NTD targets as projected in the WHO/NTD Roadmap(2021-2030)will be deferred,the aspirational goal of NTD programmes to enhance universal health coverage jeopardised and the call to leave no one behind'a hollow *** outline what implementing this hybrid approach,which aims to strengthen health systems,and facilitate integration and cross-sector collaboration,can achieve based on work undertaken in several African countries.

关键词： COVID-19 Neglected tropical diseases Mass drug administration Morbidity management Communities Water Sanitation and hygiene Behaviour change

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作者： (downs philip G.)唐斯

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Tropical forest canopies and their relationships with climate and disturbance： results from a global dataset of consistent field-based measurements

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Forest Ecosystems 2018年第1期5卷 77-90页

作者： marion pfeifer alemu gonsamo william woodgate luis cayuela andrew r.marshall alicia ledo timothy c.e.paine rob marchant andrew burt kim calders colin courtney-mustaphi aida cuni-sanchez nicolas j.deere dereje denu jose gonzalez de tanago robin hayward alvaro lau manuel j.macía pieter i.olivier petri pellikka hamidu seki deo shirima rebecca trevithick beatrice wedeux charlotte wheeler pantaleo k.t.munishi thomas martin abdul mustari philip j.platts school of natural and environmental sciences newcastle universityUpon TyneNewcastle NE1 7RUUK department of geography and planning university of torontoONCanada land and water commonwealth scientific and industrial research organisationYarralumlaACTAustralia school of mathematical and geospatial sciences rmit universityGPO Box 2476VMelbourneVIC 3001Australia department of biology geologyphysics and inorganic chemistryuniversidad rey juan carlosE-28933 MostolesMadridSpain tropical forest and peopleresearch centre university of the sunshine coastsippy DownsAustralia environment department university of yorkYorkUK flamingo land ltd. MaltonUK the institute of biological and environmental sciences environmental modelling groupuniversity of aberdeenAberdeenUK biological and environmental sciences university of stirlingStirling FK9 4L AUK york institute for tropical ecosystems environment departmentuniversity of yorkYork YO10 5NGUK department of geography university college londonGower StreetLondon WC1E 6BTUK earth observation climate and optical groupnational physical laboratoryHampton RoadTeddingtonMiddlesex TW11 0LWUK department of archaeology and ancient history uppsala universitetP.O.Box 256-751 05 UppsalaSESweden center for macroecology evolution and climateuniversity of copenhagenUniversitetsparken 152100 CopenhagenDKDenmark durrell institute of conservation and ecology(dice) school of anthropology and conservationuniversity of kentCanterbury CT2 7NRUK department of biology college of natural sciencesjimma universityJimmaEthiopia wageningen university&research laboratory of geo-information science and remote sensingDroevendaalsesteeg 36708 PB Wageningenthe Netherlands center for international forestry research(cifor) Situ GedeSindang BarangBogor 16680Indonesia departamento de biología área de botánicauniversidad autónoma de madridcalle Darwin 2-28049 MadridESSpain conservation ecology research unit university of pretoriaHatfieldPretoriaSouth Af

Background： Canopy structure, defined by leaf area index （LAI）, fractional vegetation cover （FCover） and fraction of absorbed photosynthetically active radiation （fAPAR）, regulates a wide range of forest functions and ecosystem services. Spatially consistent field-measurements of canopy structure are however lacking, particularly for the tropics. Methods： Here, we introduce the Global LAI database： a global dataset of field-based canopy structure measurements spanning tropical forests in four continents （Africa, Asia, Australia and the Americas）. We use these measurements to test for climate dependencies within and across continents, and to test for the potential of anthropogenic disturbance and forest protection to modulate those dependences. Results： Using data collected from 887 tropical forest plots, we show that maximum water deficit, defined across the most arid months of the year, is an important predictor of canopy structure, with all three canopy attributes declining significantly with increasing water deficit. Canopy attributes also increase with minimum temperature, and with the protection of forests according to both active （within protected areas） and passive measures （through topography）. Once protection and continent effects are accounted for, other anthropogenic measures （e.g. human population） do not improve the model. Conclusions： We conclude that canopy structure in the tropics is primarily a consequence of forest adaptation to the maximum water deficits historically experienced within a given region. Climate change, and in particular changes in drought regimes may thus affect forest structure and function, but forest protection may offer some resilience against this effect.

关键词： Leaf area index Fractional vegetation cover Fraction of absorbed photosynthetically active radiation,Human population pressure Protected areas Drought Climate change

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