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Differential plasticity of size and mass to environmental change in a hibernating mammal.
Canale CI, Ozgul A, Allainé D, Cohas A. Canale CI, et al. Glob Chang Biol. 2016 Oct;22(10):3286-303. doi: 10.1111/gcb.13286. Epub 2016 May 9. Glob Chang Biol. 2016. PMID: 26994312
Using a 22-year (1991-2013) dataset including 1768 individuals, we investigated the coupled dynamics of size and mass in a hibernating mammal, the Alpine marmot (Marmota marmota), in response to local environmental conditions. ...As a consequence of smaller s …
Using a 22-year (1991-2013) dataset including 1768 individuals, we investigated the coupled dynamics of size and mass in a hib …
Coupled dynamics of body mass and population growth in response to environmental change.
Ozgul A, Childs DZ, Oli MK, Armitage KB, Blumstein DT, Olson LE, Tuljapurkar S, Coulson T. Ozgul A, et al. Nature. 2010 Jul 22;466(7305):482-5. doi: 10.1038/nature09210. Nature. 2010. PMID: 20651690 Free PMC article.
Here we investigate the link between phenotypic and demographic responses to environmental change using a new methodology and a long-term (1976-2008) data set from a hibernating mammal (the yellow-bellied marmot) inhabiting a dynamic subalpine habitat. …
Here we investigate the link between phenotypic and demographic responses to environmental change using a new methodology and a
Proximate causes of natal dispersal in female yellow-bellied marmots, Marmota flaviventris.
Armitage KB, Van Vuren DH, Ozgul A, Oli MK. Armitage KB, et al. Ecology. 2011 Jan;92(1):218-27. doi: 10.1890/10-0109.1. Ecology. 2011. PMID: 21560692
Instead, our results indicate that kin cooperation, expressed via cohesive behaviors and with a focus on the mother, influenced dispersal by promoting philopatry. ...
Instead, our results indicate that kin cooperation, expressed via cohesive behaviors and with a focus on the mother, influenced dispe …
Linking body mass and group dynamics in an obligate cooperative breeder.
Ozgul A, Bateman AW, English S, Coulson T, Clutton-Brock TH. Ozgul A, et al. J Anim Ecol. 2014 Nov;83(6):1357-66. doi: 10.1111/1365-2656.12239. Epub 2014 May 16. J Anim Ecol. 2014. PMID: 24749732
In this study, we present an analysis of the effect of individual variation in body mass on the temporal dynamics of group size and structure of a cooperatively breeding mongoose, the Kalahari meerkat, Suricata suricatta. ...Rainfall has a trait-mediated, destabiliz …
In this study, we present an analysis of the effect of individual variation in body mass on the temporal dynamics of group size and structur …
Factors influencing the detectability of early warning signals of population collapse.
Clements CF, Drake JM, Griffiths JI, Ozgul A. Clements CF, et al. Am Nat. 2015 Jul;186(1):50-8. doi: 10.1086/681573. Epub 2015 May 7. Am Nat. 2015. PMID: 26098338
The recent description of potentially generic early warning signals is a promising development that may help conservationists to anticipate a population's collapse prior to its occurrence. ...Using a combination of theoretical models and analysis of experimen …
The recent description of potentially generic early warning signals is a promising development that may help conservationists to anti …
How well can body size represent effects of the environment on demographic rates? Disentangling correlated explanatory variables.
Brooks ME, Mugabo M, Rodgers GM, Benton TG, Ozgul A. Brooks ME, et al. J Anim Ecol. 2016 Mar;85(2):318-28. doi: 10.1111/1365-2656.12465. Epub 2015 Dec 1. J Anim Ecol. 2016. PMID: 26620593
Demographic rates are shaped by the interaction of past and current environments that individuals in a population experience. ...We quantified how well the size of individuals captures the effects of a population's past and current environments on demographic rates …
Demographic rates are shaped by the interaction of past and current environments that individuals in a population experience. ...We q …
Quantifying population declines based on presence-only records for red-list assessments.
Cruickshank SS, Ozgul A, Zumbach S, Schmidt BR. Cruickshank SS, et al. Conserv Biol. 2016 Oct;30(5):1112-21. doi: 10.1111/cobi.12688. Epub 2016 Apr 22. Conserv Biol. 2016. PMID: 26864587
A problem inherent to most historical records is that they contain presence-only data from which only relative declines can be estimated. A move toward the routine recording of nonobservation and absence data is essential if conservation practitioners are to move be
A problem inherent to most historical records is that they contain presence-only data from which only relative declines can be estima
Including trait-based early warning signals helps predict population collapse.
Clements CF, Ozgul A. Clements CF, et al. Nat Commun. 2016 Mar 24;7:10984. doi: 10.1038/ncomms10984. Nat Commun. 2016. PMID: 27009968 Free PMC article.
Using data from a microcosm experiment, we show that including information on the dynamics of phenotypic traits such as body size into composite early warning indices can produce more accurate inferences of whether a population is approaching a critical trans …
Using data from a microcosm experiment, we show that including information on the dynamics of phenotypic traits such as body size int …
Trait-demography relationships underlying small mammal population fluctuations.
van Benthem KJ, Froy H, Coulson T, Getz LL, Oli MK, Ozgul A. van Benthem KJ, et al. J Anim Ecol. 2017 Mar;86(2):348-358. doi: 10.1111/1365-2656.12627. Epub 2017 Jan 31. J Anim Ecol. 2017. PMID: 28000289
Large-scale fluctuations in abundance are a common feature of small mammal populations and have been the subject of extensive research. ...Using long-term life-history data combined with a trait-based demographic approach, we examined the relationship between body m …
Large-scale fluctuations in abundance are a common feature of small mammal populations and have been the subject of extensive researc …
Fathers matter: male body mass affects life-history traits in a size-dimorphic seabird.
Cornioley T, Jenouvrier S, Börger L, Weimerskirch H, Ozgul A. Cornioley T, et al. Proc Biol Sci. 2017 May 17;284(1854):20170397. doi: 10.1098/rspb.2017.0397. Proc Biol Sci. 2017. PMID: 28469021 Free PMC article.
These results suggest that a higher investment in sons by fathers can increase their inclusive fitness, which is not the case for daughters. Our study highlights sex-specific differences in the effect of body mass on the life history of a monogamous species with bi- …
These results suggest that a higher investment in sons by fathers can increase their inclusive fitness, which is not the case for dau …
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