FN Archimer Export Format
PT J
TI Nesting Phenology of Marine Turtles: Insights from a Regional Comparative Analysis on Green Turtle (Chelonia mydas)
BT 
AF DALLEAU, Mayeul
   CICCIONE, Stephane
   MORTIMER, Jeanne A.
   GARNIER, Julie
   BENHAMOU, Simon
   BOURJEA, Jerome
AS 1:1,2,6,7;2:2;3:3,4;4:5;5:6;6:7;
FF 1:PDG-RBE-DOI;2:;3:;4:;5:;6:PDG-RBE-DOI;
C1 Univ La Reunion, UMR Espace Dev, St Denis, Reunion.
   Kelonia, Observ Tortues Marines La Reunion, St Leu, Reunion.
   Seychelles Isl Fdn, Victoria, Mahe, Seychelles.
   Univ Florida, Dept Biol, Gainesville, FL USA.
   Zool Soc London, London, England.
   CNRS, Ctr Ecol Fonct & Evolut, F-34033 Montpellier, France.
   Inst Francais Rech Exploitat Mer La Reunion, Delegation Locean Indien, Le Port, Reunion.
C2 UNIV LA REUNION, FRANCE
   OBSERV TORTUES MARINES LA REUNION, FRANCE
   SEYCHELLES ISL FDN, SEYCHELLES
   UNIV FLORIDA, USA
   ZOOL SOC LONDON, UK
   CNRS, FRANCE
   IFREMER, FRANCE
SI LA REUNION
SE PDG-RBE-DOI
IN WOS Ifremer jusqu'en 2018
   copubli-france
   copubli-europe
   copubli-univ-france
   copubli-int-hors-europe
   copubli-sud
IF 3.73
TC 21
UR https://archimer.ifremer.fr/doc/00098/20940/18558.pdf
LA English
DT Article
AB Changes in phenology, the timing of seasonal activities, are among the most frequently observed responses to environmental disturbances and in marine species are known to occur in response to climate changes that directly affects ocean temperature, biogeochemical composition and sea level. We examined nesting seasonality data from long-term studies at 8 green turtle (Chelonia mydas) rookeries that include 21 specific nesting sites in the South-West Indian Ocean (SWIO). We demonstrated that temperature drives patterns of nesting seasonality at the regional scale. We found a significant correlation between mean annual Sea Surface Temperature (SST) and dates of peak nesting with rookeries exposed to higher SST having a delayed nesting peak. This supports the hypothesis that temperature is the main factor determining peak nesting dates. We also demonstrated a spatial synchrony in nesting activity amongst multiple rookeries in the northern part of the SWIO (Aldabra, Glorieuses, Mohéli, Mayotte) but not with the eastern and southern rookeries (Europa, Tromelin), differences which could be attributed to females with sharply different adult foraging conditions. However, we did not detect a temporal trend in the nesting peak date over the study period or an inter-annual relation between nesting peak date and SST. The findings of our study provide a better understanding of the processes that drive marine species phenology. The findings will also help to predict their ability to cope with climate change and other environmental perturbations. Despite demonstrating this spatial shift in nesting phenology, no trend in the alteration of nesting dates over more than 20 years was found.
PY 2012
PD OCT
SO Plos One
SN 1932-6203
PU Public Library Science
VL 7
IS 10
UT 000309889400036
BP 1
EP 13
DI 10.1371/journal.pone.0046920
ID 20940
ER

EF