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Université de Fribourg

Aging and Its Demographic Measurement

Bronikowski, Anne M. ; Flatt, Thomas

In: Nature Education Knowledge, 2010, vol. 1, no. 12, p. 1-6

This case study highlights the general issues raised earlier. First, that maximum lifespan is not an easily obtainable metric. Specifically, it is unambiguous in the sense that once the last animal dies, it is most definitely dead. But to estimate the variance in maximum lifespan, many replicate populations would need to be followed for each treatment group (with each replicate providing a single...

Université de Fribourg

The diversity of population responses to environmental change

Colchero, Fernando ; Jones, Owen R. ; Conde, Dalia A. ; Hodgson, David ; Zajitschek, Felix ; Schmidt, Benedikt R. ; Malo, Aurelio F. ; Alberts, Susan C. ; Becker, Peter H. ; Bouwhuis, Sandra ; Bronikowski, Anne M. ; Vleeschouwer, Kristel M. ; Delahay, Richard J. ; Dummermuth, Stefan ; Fernández‐Duque, Eduardo ; Frisenvænge, John ; Hesselsøe, Martin ; Larson, Sam ; Lemaître, Jean‐François ; McDonald, Jennifer ; Miller, David A.W. ; O'Donnell, Colin ; Packer, Craig ; Raboy, Becky E. ; Reading, Chris J. ; Wapstra, Erik ; Weimerskirch, Henri ; While, Geoffrey M. ; Baudisch, Annette ; Flatt, Thomas ; Coulson, Tim ; Gaillard, Jean‐Michel

In: Ecology Letters, 2019, p. -

The current extinction and climate change crises pressure us to predict population dynamics with ever‐greater accuracy. Although predictions rest on the well‐advanced theory of age‐structured populations, two key issues remain poorly explored. Specifically, how the age‐dependency in demographic rates and the year‐to‐year interactions between survival and fecundity affect...