ArticleAnimals : an open access journal from MDPI2021
Differences in Reproductive Success in Young and Old Females of a Long-Lived Species.
Article in Animals : an open access journal from MDPI, 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.
- Nest Site Selection and Nesting Behavior of Reeves' Turtle (Ecology and evolution · 2025Article
- Effect of the intrinsic and extrinsic factors on the growth and development of young foals under subtropical conditions of Pakistan.PloS one · 2025Article
- Testing how environmental variables affect the survival of freshwater turtle nests and hatchlings using artificial nests and dummy hatchlings.Scientific reports · 2024Article
- Tick infestation in spur-thighed tortoise population: a pilot study for unraveling epidemiological patterns and demographic consequences.Experimental & applied acarology · 2023Article
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Authors and funding
4 authors.
Funding
Abstract
Long-lived species are particularly interesting for investigation of trade-offs that shape reproductive allocation and the effective contribution to the next generations. Life history theory predicts that these species will buffer environmental stochasticity via changes in the reproductive investment, while maintaining high adult survival rates. The spur-thighed tortoise was selected as a case study in order to investigate the relationship between the linked maternal characteristics (size and age) and related traits in their hatchlings. We tracked naturally emerging hatchlings from young and old females under semi-natural conditions to test variations in hatchling numbers, body mass, size and survival over two years. We used linear mixed-effect models to analyze variations in hatchling body mass and size, and a mark-release-recapture framework to model their survival. Our study illustrates that old females of long-lived species have greater offspring numbers, greater survival and smaller size when compared with those of young females. The interannual variability evidenced the reduced offspring number and survival in the lower autumn rainfall and spring mean temperature year. Our results highlight the role of maternal age and climatic conditions in the population dynamics and the need for long-term studies of reproduction traits for designating adequate conservation strategies.
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