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Corozalito: a nascent arribada nesting beach in Costa Rica

Costa Rica hosts two renowned olive ridley (Lepidochelys olivacea) arribada beaches: Nancite and Ostional. In addition, the country hosts a third nascent arribada beach in Corozalito. We documented the frequency of arribada events in Corozalito (9°50′55.40″ N; 85°22′ 47.67″ W) from 2008 to 2021 and...

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Autores principales: Rojas-Cañizales, Daniela, Mejías-Balsalobre, Carmen, Espinoza-Rodríguez, Nínive, Bézy, Vanessa S., Naranjo, Isabel, Arauz, Randall, Valverde, Roldán A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Springer Berlin Heidelberg 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8980208/
https://www.ncbi.nlm.nih.gov/pubmed/35400758
http://dx.doi.org/10.1007/s00227-022-04039-6
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author Rojas-Cañizales, Daniela
Mejías-Balsalobre, Carmen
Espinoza-Rodríguez, Nínive
Bézy, Vanessa S.
Naranjo, Isabel
Arauz, Randall
Valverde, Roldán A.
author_facet Rojas-Cañizales, Daniela
Mejías-Balsalobre, Carmen
Espinoza-Rodríguez, Nínive
Bézy, Vanessa S.
Naranjo, Isabel
Arauz, Randall
Valverde, Roldán A.
author_sort Rojas-Cañizales, Daniela
collection PubMed
description Costa Rica hosts two renowned olive ridley (Lepidochelys olivacea) arribada beaches: Nancite and Ostional. In addition, the country hosts a third nascent arribada beach in Corozalito. We documented the frequency of arribada events in Corozalito (9°50′55.40″ N; 85°22′ 47.67″ W) from 2008 to 2021 and the abundance of egg-laying females during 12 arribadas. Moreover, we report on tag recaptures at Corozalito that were initially deployed at other nesting beaches in Costa Rica. Finally, we estimated incubation temperature, and performed quadrat and nest excavations to estimate hatching rates. We registered 29 arribadas at Corozalito since 2008, all between August and January. We estimated more than 150,000 olive ridleys nested during 12 arribadas from 2019 to 2021. Mean hatching success was 65% in quadrats and 59% for in situ marked nests. The mean incubation temperature was 32.3 °C. We found turtles tagged at other locations on the Pacific coast of Costa Rica nesting at Corozalito, providing evidence of philopatric plasticity. We suggest nascent arribada rookeries form rapidly via recruitment from regional turtle aggregations. Our findings show that hatching success is far higher at Corozalito than Ostional or Nancite. Continued monitoring of nesting dynamics at this site may shed light upon the mechanisms that rule how arribada beaches are born and evolve. Corozalito offers a unique opportunity to study and understand the arribada phenomenon and warrants official protection under official National Wildlife Refuge status.
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spelling pubmed-89802082022-04-05 Corozalito: a nascent arribada nesting beach in Costa Rica Rojas-Cañizales, Daniela Mejías-Balsalobre, Carmen Espinoza-Rodríguez, Nínive Bézy, Vanessa S. Naranjo, Isabel Arauz, Randall Valverde, Roldán A. Mar Biol Original Paper Costa Rica hosts two renowned olive ridley (Lepidochelys olivacea) arribada beaches: Nancite and Ostional. In addition, the country hosts a third nascent arribada beach in Corozalito. We documented the frequency of arribada events in Corozalito (9°50′55.40″ N; 85°22′ 47.67″ W) from 2008 to 2021 and the abundance of egg-laying females during 12 arribadas. Moreover, we report on tag recaptures at Corozalito that were initially deployed at other nesting beaches in Costa Rica. Finally, we estimated incubation temperature, and performed quadrat and nest excavations to estimate hatching rates. We registered 29 arribadas at Corozalito since 2008, all between August and January. We estimated more than 150,000 olive ridleys nested during 12 arribadas from 2019 to 2021. Mean hatching success was 65% in quadrats and 59% for in situ marked nests. The mean incubation temperature was 32.3 °C. We found turtles tagged at other locations on the Pacific coast of Costa Rica nesting at Corozalito, providing evidence of philopatric plasticity. We suggest nascent arribada rookeries form rapidly via recruitment from regional turtle aggregations. Our findings show that hatching success is far higher at Corozalito than Ostional or Nancite. Continued monitoring of nesting dynamics at this site may shed light upon the mechanisms that rule how arribada beaches are born and evolve. Corozalito offers a unique opportunity to study and understand the arribada phenomenon and warrants official protection under official National Wildlife Refuge status. Springer Berlin Heidelberg 2022-04-05 2022 /pmc/articles/PMC8980208/ /pubmed/35400758 http://dx.doi.org/10.1007/s00227-022-04039-6 Text en © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022 This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.
spellingShingle Original Paper
Rojas-Cañizales, Daniela
Mejías-Balsalobre, Carmen
Espinoza-Rodríguez, Nínive
Bézy, Vanessa S.
Naranjo, Isabel
Arauz, Randall
Valverde, Roldán A.
Corozalito: a nascent arribada nesting beach in Costa Rica
title Corozalito: a nascent arribada nesting beach in Costa Rica
title_full Corozalito: a nascent arribada nesting beach in Costa Rica
title_fullStr Corozalito: a nascent arribada nesting beach in Costa Rica
title_full_unstemmed Corozalito: a nascent arribada nesting beach in Costa Rica
title_short Corozalito: a nascent arribada nesting beach in Costa Rica
title_sort corozalito: a nascent arribada nesting beach in costa rica
topic Original Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8980208/
https://www.ncbi.nlm.nih.gov/pubmed/35400758
http://dx.doi.org/10.1007/s00227-022-04039-6
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