a Record control number 000323245800022

a ISSN 0171-8630

a Original cataloging agency NEU GrandLibrary

a Language code of text/sound track or separate title eng

a Classification number GC11.2

b Item number .I47 2013

a Personal name Fuller, Wayne J.

h Medium Electronic Document

a Title Importance of spatio-temporal data for predicting the effects of climate change on marine turtle sex ratios.

c Statement of responsibility, etc Wayne J. Fuller, Brendan J. Godley, David J. Hodgson, Sarah E. Reece, Matthew J. Witt, Annette C. Broderick.

c Date of publication, distribution, etc 2013.

b Name of publisher, distributor, etc Inter-Research,

a Summary, etc Species with temperature-dependent sex determination (TSD) are likely to be impacted by climate change. There is a paucity of data on the contemporary sex ratios of offspring produced by regional marine turtle populations. The lack of such information inhibits the ability of researchers to accurately predict how future meteorological and climate-driven changes may affect turtle populations. Moreover, these data are integral for the development of regional and global recovery plans for declining turtle populations. We estimate offspring sex ratios for the loggerhead turtle Caretta caretta at a range of beaches on the Mediterranean island of Cyprus over a 10 yr period (1997 to 2006; 40 beaches, 628 clutches, 29402 hatchlings). Based on hatchling sex determination, we found the pivotal incubation temperature (the temperature at which a 50: 50 sex ratio occurs) to be 28.9 degrees C, and the pivotal incubation duration to be 56.3 d. From the incubation durations of over 628 in situ clutches laid on different beaches, we estimate that 89% of the offspring produced from these clutches were female. There was, however, both inter-annual (74 to 95% female) and inter-beach (58-98% female) variability in mean offspring sex ratios. These findings highlight the need for wide-scale, long-term monitoring of primary sex ratios in order to accurately predict the likely impacts of climate change. Despite spatial and temporal variation in offspring sex ratios produced, male hatchlings are certainly in the minority in Cyprus. It is therefore highly likely that beaches producing males will become increasingly critical habitats for successful clutch incubation in the face of predicted rising temperatures.

a Topical term or geographic name as entry element Oceanography

a Topical term or geographic name as entry element Near East University Article

a Topical term or geographic name as entry element Yakın Doğu Üniversitesi Makale

a Topical term or geographic name as entry element Loggerhead turtle

a Topical term or geographic name as entry element Caretta caretta

a Topical term or geographic name as entry element Climate Change

a Main entry heading Marine Ecology Progress Series

g Relationship information 2013, Vol 488, p267-274

x International Standard Serial Number 01718630

u Uniform Resource Identifier http://library.neu.edu.tr:2048/login?url=http://dx.doi.org/10.3354/meps10419