Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil
The beaches of Espírito Santo encompass the most important nesting sites of the loggerhead sea turtle, Caretta caretta (Linnaeus, 1758), in the South Atlantic Ocean. Previous research has shown that, unlike other nesting sites in Brazil, Espírito Santo harbors a large percentage of male individuals,...
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ftdoajarticles:oai:doaj.org/article:399775a115f44fb38d7a251a9c70afb3 2023-05-15T18:21:11+02:00 Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil Lauana Schneider Fadini Ary Gomes Silva Paulo Dias Ferreira-Júnior 2011-06-01T00:00:00Z https://doi.org/10.1590/S1984-46702011000300005 https://doaj.org/article/399775a115f44fb38d7a251a9c70afb3 EN eng Pensoft Publishers http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300005 https://doaj.org/toc/1984-4670 https://doaj.org/toc/1984-4689 doi:10.1590/S1984-46702011000300005 1984-4670 1984-4689 https://doaj.org/article/399775a115f44fb38d7a251a9c70afb3 Zoologia (Curitiba), Vol 28, Iss 3, Pp 312-320 (2011) Loggerhead sea turtle ecology nest sediment hatchling Zoology QL1-991 article 2011 ftdoajarticles https://doi.org/10.1590/S1984-46702011000300005 2022-12-31T15:22:46Z The beaches of Espírito Santo encompass the most important nesting sites of the loggerhead sea turtle, Caretta caretta (Linnaeus, 1758), in the South Atlantic Ocean. Previous research has shown that, unlike other nesting sites in Brazil, Espírito Santo harbors a large percentage of male individuals, which play an important role in maintaining the equilibrium of C. caretta populations in the South Atlantic. During the 2006/2007 reproductive season, four beaches presenting considerable geologic differences were monitored. The sedimentary features of the nesting sites (mineral composition, albedo, and grain size), nesting dates, and clutch sizes were correlated with hatching success and incubation duration. Results show that hatching success is mostly affected by clutch size _ and to a lesser extent, by grain size and albedo. Incubation duration is more sensitive to the characteristics of the nesting site, being affected by nesting date, clutch size, mineral composition, and grain size. However, results from one nesting site cannot be generalized or extended to other sites, because sediment properties are functions of the geological framework of the area and the interaction among environmental variables is far too complex. Our results reveal the importance of protecting areas with large geologic diversity, since sedimentary characteristics may affect incubation duration and embryo survival. Our findings are important in the scope of management activities, as nest transfer may alter nest microenvironment, impacting incubation duration and hatching success. Article in Journal/Newspaper South Atlantic Ocean Directory of Open Access Journals: DOAJ Articles The Beaches ENVELOPE(-56.832,-56.832,49.583,49.583) Zoologia (Curitiba, Impresso) 28 3 312 320 |
institution |
Open Polar |
collection |
Directory of Open Access Journals: DOAJ Articles |
op_collection_id |
ftdoajarticles |
language |
English |
topic |
Loggerhead sea turtle ecology nest sediment hatchling Zoology QL1-991 |
spellingShingle |
Loggerhead sea turtle ecology nest sediment hatchling Zoology QL1-991 Lauana Schneider Fadini Ary Gomes Silva Paulo Dias Ferreira-Júnior Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
topic_facet |
Loggerhead sea turtle ecology nest sediment hatchling Zoology QL1-991 |
description |
The beaches of Espírito Santo encompass the most important nesting sites of the loggerhead sea turtle, Caretta caretta (Linnaeus, 1758), in the South Atlantic Ocean. Previous research has shown that, unlike other nesting sites in Brazil, Espírito Santo harbors a large percentage of male individuals, which play an important role in maintaining the equilibrium of C. caretta populations in the South Atlantic. During the 2006/2007 reproductive season, four beaches presenting considerable geologic differences were monitored. The sedimentary features of the nesting sites (mineral composition, albedo, and grain size), nesting dates, and clutch sizes were correlated with hatching success and incubation duration. Results show that hatching success is mostly affected by clutch size _ and to a lesser extent, by grain size and albedo. Incubation duration is more sensitive to the characteristics of the nesting site, being affected by nesting date, clutch size, mineral composition, and grain size. However, results from one nesting site cannot be generalized or extended to other sites, because sediment properties are functions of the geological framework of the area and the interaction among environmental variables is far too complex. Our results reveal the importance of protecting areas with large geologic diversity, since sedimentary characteristics may affect incubation duration and embryo survival. Our findings are important in the scope of management activities, as nest transfer may alter nest microenvironment, impacting incubation duration and hatching success. |
format |
Article in Journal/Newspaper |
author |
Lauana Schneider Fadini Ary Gomes Silva Paulo Dias Ferreira-Júnior |
author_facet |
Lauana Schneider Fadini Ary Gomes Silva Paulo Dias Ferreira-Júnior |
author_sort |
Lauana Schneider Fadini |
title |
Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
title_short |
Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
title_full |
Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
title_fullStr |
Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
title_full_unstemmed |
Sedimentary characteristics and their effects on hatching success and incubation duration of Caretta caretta (Testudines: Cheloniidae) in Espirito Santo, Brazil |
title_sort |
sedimentary characteristics and their effects on hatching success and incubation duration of caretta caretta (testudines: cheloniidae) in espirito santo, brazil |
publisher |
Pensoft Publishers |
publishDate |
2011 |
url |
https://doi.org/10.1590/S1984-46702011000300005 https://doaj.org/article/399775a115f44fb38d7a251a9c70afb3 |
long_lat |
ENVELOPE(-56.832,-56.832,49.583,49.583) |
geographic |
The Beaches |
geographic_facet |
The Beaches |
genre |
South Atlantic Ocean |
genre_facet |
South Atlantic Ocean |
op_source |
Zoologia (Curitiba), Vol 28, Iss 3, Pp 312-320 (2011) |
op_relation |
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702011000300005 https://doaj.org/toc/1984-4670 https://doaj.org/toc/1984-4689 doi:10.1590/S1984-46702011000300005 1984-4670 1984-4689 https://doaj.org/article/399775a115f44fb38d7a251a9c70afb3 |
op_doi |
https://doi.org/10.1590/S1984-46702011000300005 |
container_title |
Zoologia (Curitiba, Impresso) |
container_volume |
28 |
container_issue |
3 |
container_start_page |
312 |
op_container_end_page |
320 |
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1766200329676783616 |