Incubation Patterns in a Central-Place Forager Affect Lifetime Reproductive Success: Scaling of Patterns from a Foraging Bout to a Lifetime Incubation Patterns in Murrelets
2011

Incubation Patterns in Ancient Murrelets and Their Impact on Reproductive Success

Sample size: 1305 publication 10 minutes Evidence: moderate

Author Information

Author(s): Shoji Akiko, Elliott Kyle H., Aris-Brosou Stéphane, Crump Doug, Gaston Anthony J.

Primary Institution: Department of Biology, University of Ottawa

Hypothesis

How do environmental factors influence incubation shift length and reproductive success in ancient murrelets?

Conclusion

The study shows that maintaining regular incubation shifts is crucial for reproductive success in ancient murrelets, influenced by environmental conditions like wind speed.

Supporting Evidence

  • Incubation shift length was a strong predictor of reproductive success.
  • Wind speed and tide height significantly influenced foraging behavior.
  • Egg size and the length of the mate's previous shift were key factors in determining shift length.
  • Egg neglect increased with higher wind speeds and decreased with lower cloud opacity.

Takeaway

Ancient murrelets need to take turns incubating their eggs, and how long they can stay away from the nest depends on the weather and their partner's behavior.

Methodology

The study used an information theoretic approach to analyze incubation shift lengths and reproductive success based on environmental factors.

Potential Biases

Potential biases in monitoring methods could affect the accuracy of nest attendance data.

Limitations

The study was limited to a specific location and may not generalize to other populations of ancient murrelets.

Participant Demographics

The study focused on ancient murrelets at Reef Island, British Columbia, Canada.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0017760

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