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Mixed Effects Models and Extensions in Ecology with R
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In this paper, the authors apply additive mixed modelling on phyoplankton time series data and show that the additive model can be used to estimate the age distribution of small cetaceans.Abstract:
Limitations of linear regression applied on ecological data. - Things are not always linear additive modelling. - Dealing with hetergeneity. - Mixed modelling for nested data. - Violation of independence - temporal data. - Violation of independence spatial data. - Generalised linear modelling and generalised additive modelling. - Generalised estimation equations. - GLMM and GAMM. - Estimating trends for Antarctic birds in relation to climate change. - Large-scale impacts of land-use change in a Scottish farming catchment. - Negative binomial GAM and GAMM to analyse amphibian road killings. - Additive mixed modelling applied on deep-sea plagic bioluminescent organisms. - Additive mixed modelling applied on phyoplankton time series data. - Mixed modelling applied on American Fouldbrood affecting honey bees larvae. - Three-way nested data for age determination techniques applied to small cetaceans. - GLMM applied on the spatial distribution of koalas in a fragmented landscape. - GEE and GLMM applied on binomial Badger activity data.read more
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Journal ArticleDOI
Association between arterial catheter use and hospital mortality in intensive care units.
Hayley B. Gershengorn,Hannah Wunsch,Damon C. Scales,Ryan Zarychanski,Gordon D. Rubenfeld,Gordon D. Rubenfeld,Allan Garland +6 more
TL;DR: In this propensity-matched cohort analysis, arterial catheters were not associated with improvements in hospital mortality in medical ICU patients requiring mechanical ventilation and randomized clinical trials are needed to further evaluate the usefulness of these frequently used devices.
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Site and neighborhood effects on growth of tree saplings in subtropical plantations (China)
Ying Li,Werner Härdtle,Helge Bruelheide,Karin Nadrowski,Thomas Scholten,Henrik von Wehrden,Goddert von Oheimb +6 more
TL;DR: Investigation of the growth response of individual tree saplings in a large-scale forest biodiversity and ecosystem functioning (BEF) experiment established in a highly heterogeneous environment in subtropical China showed that growth performance of tree sapling was markedly species-specific and strongly affected by initial size and local site conditions.
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Ecological, Social and Biological Risk Factors for Continued Trypanosoma cruzi Transmission by Triatoma dimidiata in Guatemala
TL;DR: Persistent house infestation is closely related to eco-bio-social factors that maintain productive T. dimidiata habitats associated with dogs, chickens and rodents, and integrated vector control methods should include actions that consider the role of peridomestic animals in transmission.
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Citizen science reveals widespread negative effects of roads on amphibian distributions
Bradley J. Cosentino,David M. Marsh,Kara S. Jones,Joseph J. Apodaca,Christopher Bates,Jessica Beach,Karen H. Beard,Kelsie Becklin,Jane Margaret Bell,Christopher Crockett,George Fawson,Jennifer Fjelsted,Elizabeth A. Forys,Kristen S. Genet,Melanie Grover,Jaimie Holmes,Katherine L. Indeck,Nancy E. Karraker,Eran S. Kilpatrick,Tom A. Langen,Stephen G. Mugel,Alessandro Molina,James R. Vonesh,Ryan J. Weaver,Anisha Willey +24 more
TL;DR: The authors examined the effects of habitat composition, road disturbance, and habitat split on the distribution and richness of frogs and toads in the eastern and central United States using a large-scale, citizen science-generated database.
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Antarctic climate change: extreme events disrupt plastic phenotypic response in Adélie penguins.
TL;DR: This study suggests that lower summer SIC than currently observed would benefit the foraging performance of Adélie penguins in their southernmost breeding area and provides evidence that extreme climatic events can disrupt response plasticity in a wild seabird population.