ArticleScientific reports2024
New colonisers drive the increase of the emerging loggerhead turtle nesting in Western Mediterranean.
Article in Scientific reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 10 citations in OpenAlex.
- Umbilical Cord: A Non-Invasive DNA Source for Sea Turtle Genomics.Molecular ecology resources · 2026Article
- Article
- De novo genome assembly, inversion detection, and worldwide adaptation on the invasive species Styela plicata.Scientific reports · 2025Article
- Incipient Range Expansion of Green Turtles in the Mediterranean.Molecular ecology · 2025Article
- Heat Nests: The Impact of Climate Change on Loggerhead Turtle (Ecology and evolution · 2025Article
- Genetic Identity and Diversity of Loggerhead Sea Turtles in the Central Mediterranean Sea.Genes · 2024Article
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Authors and funding
11 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The loggerhead sea turtle (Caretta caretta) is sensitive to climate change and is responding by colonising the Western Mediterranean. To understand the rapid nesting increase in recent years in Spain, we sampled 45 hatchlings from 8 nests between 2016 and 2019. We sequenced a mtDNA D-loop region, genotyped 2291 SNPs using 2bRAD and collected data on clutch size, hatching success, and incubation duration. We confirmed that the colonisation has a Mediterranean and Atlantic mixed origin and we detected that these nests were laid by different females, except for two nests within the same season. Our results suggest that the recent increase in nesting is due to an increase in the number of colonising individuals rather than females born in the same area returning to breed. We hypothesize that this increase in the number of colonisers results from successful conservation efforts, feminisation of the populations of origin and earlier sexual maturation. However, the percentage of offspring females produced in Spain suggests that future returning individuals will aid to the settlement of the new population. These results allow defining the current status of this colonisation although future efforts are needed to detect remigrants to confirm the establishment of a resident population.
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Registered trials
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