Understanding the Relationship Between Load and Variance of Relative Fitness
Author Information
Author(s): Emmanuil E. Shnol, Elena A. Ermakova, Alexey S. Kondrashov
Primary Institution: Institute of Mathematical Problems in Biology, Russian Academy of Sciences
Hypothesis
What is the relationship between the load and the variance of relative fitness in natural selection?
Conclusion
The study concludes that the minimal load consistent with a particular variance of relative fitness can be determined, even though the load cannot be deduced solely from the variance.
Supporting Evidence
- The minimal load is achieved when fitness takes only two values: zero and a positive value.
- The fraction of individuals with zero fitness is determined by the variance of relative fitness.
- Understanding the minimal load can help in studying population dynamics and survival.
Takeaway
This study shows that if you know how much variation there is in fitness among individuals, you can figure out the least amount of 'load' or disadvantage a population can have to survive.
Limitations
The concept of minimal load may not apply universally across all populations and conditions.
Digital Object Identifier (DOI)
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