Table 1 Hypotheses tested to distinguish between capital and income breeding strategies.
Metric | Hypothesized pattern with capital breeding | Hypothesized pattern with income breeding |
|---|---|---|
(1) Stored energy relative to that required to finance reproduction | Combined energy of hepatopancreas + ovary ≥ cumulative egg energy | Combined energy < cumulative egg energy |
(2) Hepatopancreas energy throughout reproductive period | ↓ through time as energy stores become depleted | Constant because is not used to finance reproduction |
(3) Egg number or size throughout reproductive period | ↓ through time as energy stores become depleted | May be variable, depending on dietary energy intake |
(4) Diet energy intake throughout reproductive period | Constant, or at least unrelated to reproduction | ↑ and ↓ proportional to reproduction |
