Table 4. Positive (+) and negative (-) associations of the 14 identified daily diet types with supplementary categorical variables for season, sex, and species (χ2 tests) and supplementary continuous variables for body mass and GPS fix interval (t tests), Grand Teton National Park, Wyoming, USA, 2004–2006.
Season | Sex | Species | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Category | Daily diet type | No. bear-days | Spring | Summer | Fall | F | M | Grizzly bear | Black bear (sympatric) | Black bear (allopatric) | Body mass | Fix interval |
Homogeneous | Insect | 45 | - | +++ | - | + | - | --- | ++ | --- | ||
AGVEGa | 40 | +++ | -- | --- | --- | +++ | ||||||
Fruit | 30 | --- | +++ | -- | ++ | -- | ++ | |||||
Vertebrate | 26 | --- | ++ | -- | ++ | +++ | --- | +++ | - | |||
Nut | 12 | - | -- | +++ | - | + | ||||||
BGVEGb | 7 | ++ | + | - | +++ | -- | ++ | - | ||||
Mixed | Insect-AGVEG | 35 | + | -- | --- | + | --- | ++ | ||||
Fruit-insect | 20 | --- | +++ | |||||||||
AGVEG-vertebrate | 18 | +++ | --- | |||||||||
Insect-vertebrate | 10 | - | ||||||||||
BGVEG mixed | 9 | + | - | +++ | -- | +++ | -- | |||||
Nut mixed | 7 | ++ | + | |||||||||
AGVEG-fruit | 8 | ++ | ||||||||||
Cambium mixed | 7 |
a Above-ground vegetation
b Below-ground vegetation