Contents -- Part II: Theory and Synthesis -- Chapter 12. A Genetic Explanation for Ten-year Cycles of Grouse -- 12.1 Introduction -- 12.2 Defining the assumptions -- 12.3 The model -- 12.4 Parameters of the simulation -- 12.5 Realism of the assumptions -- 12.6 Results -- 12.7 Conclusions -- 12.8 Summary -- Chapter 13. Mating Systems in Grouse -- 13.1 Introduction -- 13.2 The monogamy model -- 13.3 Female choice in the model -- 13.4 Food shortage and monogamy -- 13.5 The female view of the pair bond -- 13.6 The male view of the pair bond -- 13.7 Dispersed polygyny -- 13.8 Clumped polygyny -- 13.9 Summary -- Chapter 14. Survival and Breeding Strategies of Grouse -- 14.1 Introduction -- 14.2 Male advertising strategies -- 14.3 Advertising tactics of yearling males -- 14.4 Female nesting strategies -- 14.5 The strategy of selecting a male for breeding -- 14.6 The strategy of improving chick survival -- 14.7 Brood disbandment and migration -- 14.8 Strategies for winter survival -- 14.9 Polymorphic spacing strategy -- 14.10 Summary -- Chapter 15. Population Ecology of North American Grouse -- 15.1 Introduction -- 15.2 Percentage of hens nesting -- 15.3 Clutch size in grouse -- 15.4 Nesting success -- 15.5 Mortality of chicks -- 15.6 Mortality of juveniles and adults -- 15.7 Theories of population change -- 15.8 The 10-year cycle in grouse -- 15.9 Limitation of breeding numbers -- 15.10 Summary -- Chapter 16. Increasing the Numbers of Grouse -- 16.1 Introduction -- 16.2 Mechanisms of density -- 16.3 Control of hunting -- 16.4 Control of food -- 16.5 Control of cover -- 16.6 Predator control -- 16.7 Control of space -- 16.8 Successful management -- 16.9 Summary -- References -- Index -- B -- C -- D -- L -- P -- R -- S -- T -- W.