Estimation of fetal growth and gestation in bowhead whales

C. Shane Reese; James A. Calvin; John C. George; Raymond J. Tarpley

doi:10.1198/016214501753208618

Estimation of fetal growth and gestation in bowhead whales

C. Shane Reese^*, James A. Calvin, John C. George, Raymond J. Tarpley

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

We address estimating fetal growth and gestation for bowhead whales of the Bering, Chukchi, and Beaufort seas stock. This population is subject to a subsistence hunt by Eskimo whale hunters, which is monitored via a quota system established by the International Whaling Commission. Quota determination is assisted by biological information, such as fetal growth and gestation, which is the basis of a population dynamics model used to estimate the annual replacement yield of the stock. We developed a Bayesian hierarchical nonlinear model for fetal growth with computation carried out via Markov chain Monte Carlo techniques. Our model allows for unique conception and parturition dates and provides predictive distributions for gestation length and conception dates. These results are used to propose estimates of geographic locations for conception and parturition. A sensitivity analysis indicated caution when specifying some hyperparameters related to growth rate, conception dates, and parturition dates.

Original language	English (US)
Pages (from-to)	915-923
Number of pages	9
Journal	JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION
Volume	96
Issue number	455
DOIs	https://doi.org/10.1198/016214501753208618
State	Published - Sep 1 2001
Externally published	Yes

Bibliographical note

Funding Information:
GofH.eGnsiisvAssociatee ProfessorofStatistics,DeparmtetonfStatis-tics, Colorado State Ursnit, yFortivColleins, 80523. Dvd Paioole is Tehncilca StfaMf ,eATmLab&s–bRTerer,cShsahnenonLaabortoa,18r0yParkAvenue, Florham Park, NJ 07932. This work ws partiallay supported by the North Slope Borough (Alasa),kthe Statoef Alaska (through the Alasa kDpartmente of Community and RgionaleAfirs),afand the NtionalaOceanic and Atmo-spherc iAdministration (through the NtionalaMarine Ml aLabomratory toma the Alaska Eskimo Whaling Commission).

Keywords

Bayes theorem
Hierarchical models
Markov chain Monte Carlo
Random curves

ASJC Scopus subject areas

Statistics and Probability
Statistics, Probability and Uncertainty

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10.1198/016214501753208618

Cite this

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title = "Estimation of fetal growth and gestation in bowhead whales",

abstract = "We address estimating fetal growth and gestation for bowhead whales of the Bering, Chukchi, and Beaufort seas stock. This population is subject to a subsistence hunt by Eskimo whale hunters, which is monitored via a quota system established by the International Whaling Commission. Quota determination is assisted by biological information, such as fetal growth and gestation, which is the basis of a population dynamics model used to estimate the annual replacement yield of the stock. We developed a Bayesian hierarchical nonlinear model for fetal growth with computation carried out via Markov chain Monte Carlo techniques. Our model allows for unique conception and parturition dates and provides predictive distributions for gestation length and conception dates. These results are used to propose estimates of geographic locations for conception and parturition. A sensitivity analysis indicated caution when specifying some hyperparameters related to growth rate, conception dates, and parturition dates.",

keywords = "Bayes theorem, Hierarchical models, Markov chain Monte Carlo, Random curves",

author = "Reese, {C. Shane} and Calvin, {James A.} and George, {John C.} and Tarpley, {Raymond J.}",

note = "Funding Information: GofH.eGnsiisvAssociatee ProfessorofStatistics,DeparmtetonfStatis-tics, Colorado State Ursnit, yFortivColleins, 80523. Dvd Paioole is Tehncilca StfaMf ,eATmLab&s–bRTerer,cShsahnenonLaabortoa,18r0yParkAvenue, Florham Park, NJ 07932. This work ws partiallay supported by the North Slope Borough (Alasa),kthe Statoef Alaska (through the Alasa kDpartmente of Community and RgionaleAfirs),afand the NtionalaOceanic and Atmo-spherc iAdministration (through the NtionalaMarine Ml aLabomratory toma the Alaska Eskimo Whaling Commission).",

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N2 - We address estimating fetal growth and gestation for bowhead whales of the Bering, Chukchi, and Beaufort seas stock. This population is subject to a subsistence hunt by Eskimo whale hunters, which is monitored via a quota system established by the International Whaling Commission. Quota determination is assisted by biological information, such as fetal growth and gestation, which is the basis of a population dynamics model used to estimate the annual replacement yield of the stock. We developed a Bayesian hierarchical nonlinear model for fetal growth with computation carried out via Markov chain Monte Carlo techniques. Our model allows for unique conception and parturition dates and provides predictive distributions for gestation length and conception dates. These results are used to propose estimates of geographic locations for conception and parturition. A sensitivity analysis indicated caution when specifying some hyperparameters related to growth rate, conception dates, and parturition dates.

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Estimation of fetal growth and gestation in bowhead whales

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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