ArticleEcology and evolution2021
Modeling the demography of species providing extended parental care: A capture-recapture multievent model with a case study on polar bears (
Article in Ecology and evolution, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 10 citations in OpenAlex.
- Neonatal state and degree of necessity for parental care in Maiasaura based on inferred neonatal metabolic rates.Scientific reports · 2025Article
- Immigration as the main driver of population dynamics in a cryptic cetacean.Ecology and evolution · 2023Article
- Sea ice reduction drives genetic differentiation among Barents Sea polar bears.Proceedings. Biological sciences · 2021Article
- Modeling the demography of species providing extended parental care: A capture-recapture multievent model with a case study on polar bears (Ecology and evolution · 2021Article
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In species providing extended parental care, one or both parents care for altricial young over a period including more than one breeding season. We expect large parental investment and long-term dependency within family units to cause high variability in life trajectories among individuals with complex consequences at the population level. So far, models for estimating demographic parameters in free-ranging animal populations mostly ignore extended parental care, thereby limiting our understanding of its consequences on parents and offspring life histories.We designed a capture-recapture multievent model for studying the demography of species providing extended parental care. It handles statistical multiple-year dependency among individual demographic parameters grouped within family units, variable litter size, and uncertainty on the timing at offspring independence. It allows for the evaluation of trade-offs among demographic parameters, the influence of past reproductive history on the caring parent's survival status, breeding probability, and litter size probability, while accounting for imperfect detection of family units. We assess the model performance using simulated data and illustrate its use with a long-term dataset collected on the Svalbard polar bears (
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