Causes of population change in a long-distance migratory passerine, the willow warbler (Phylloscopus trochilus)

Recent variation in the population trends of breeding birds within Great Britain from 1994 -2007.21 Chapter 2Spatial and temporal variation of population trends in a long-distance migratory bird.44 Chapter 3Changes in productivity and timing of breeding of willow warblers, Phylloscopus trochilus, in regions with divergent population trends.63 Chapter 4Causes of geographic variation in productivity of willow warblers, Phylloscopus trochilus, across Britain.85 Chapter 5Variation in feather stable isotope ratios of breeding of willow warblers, Phylloscopus trochilus, across Britain.110 Chapter 6Sex-biased survival in a declining long-distance migratory bird: implications for population trends.133 Chapter 7Exploring the population level consequences of sex biased mortality in a long-distance migratory bird.154 Conclusions 171 Appendix 1Demographic and ecological characteristics of species used in analysis.182ii Causes of population change in a long-distance migratory passerine, the willow warbler (Phylloscopus trochilus)