Factors influencing swift fox biotic potential:
* Breeding season: Swift foxes breed once a year, typically in February and March.
* Litter size: Females usually give birth to 4-6 pups, though litters can be as large as 10.
* Gestation period: The gestation period is around 50-60 days.
* Age at sexual maturity: Swift foxes reach sexual maturity at 10-12 months of age.
* Life expectancy: Swift foxes have an average lifespan of 2-3 years in the wild, but can live up to 7 years under ideal conditions.
Challenges affecting swift fox reproduction:
* Habitat loss and fragmentation: Loss of prairie habitat due to agriculture, urbanization, and energy development reduces available breeding territories.
* Predation: Swift foxes are preyed upon by coyotes, bobcats, and other predators.
* Disease: Canine distemper and rabies can impact populations.
* Human activity: Habitat degradation, vehicle collisions, and poisoning can negatively affect swift foxes.
Overall:
Given these factors, the biotic potential of swift foxes is high, but realized reproductive success is limited by various environmental pressures.
For a more specific estimate of biotic potential, you could look for studies that have examined population growth rates in specific areas or under specific conditions. These studies might provide data on average litter sizes, survival rates, and other factors that can be used to estimate the biotic potential for a given population.