Table 1.

Population growth rates and reproductive values of brant for the six states under different scenarios of inheritance and heterogeneity

				Reproductive value
Inheritance	Clutch size (high quality)	Clutch size (low quality)	λ	GOS-high	PB-high	B-high	GOS-low	PB-low	BR-low
0.8	4	4	1.058	0.174	0.251	0.292	0.046	0.097	0.140
0.5	4	4	1.044	0.135	0.192	0.222	0.074	0.156	0.222
0.8	5	3	1.090	0.234	0.346	0.408	0.002	0.004	0.006

GOS, gosling; PB, prebreeders; BR, breeders; high, high-quality individuals; low, low-quality individuals.