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How many cubs can a mum nurse? Maternal age and size influence litter size in polar bears
Life-history theory predicts that females' age and size affect the level of maternal investment in current reproduction, balanced against the future reproductive effort, maintenance and survival. Using long-term (30 years) individual data on 193 female polar bears (Ursus maritimus), we assessed...
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| Publicado no: | Biol Lett |
|---|---|
| Main Authors: | , , , , , |
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
The Royal Society
2019
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC6548740/ https://ncbi.nlm.nih.gov/pubmed/31039729 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2019.0070 |
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