Biodiversity Heritage Library (Smithsonian Institution) · 1994 · 42 citations · 0 references
Open access
Life SciencesMarine BiologyZoologyMarine EcologyMarine ZoologyPopulation EcologyMarine HerpetologyMarine Population DynamicsMarine Population EcologyMarine Reptile Population EcologyMeasurementPopulation Sex RatioSea Turtle BiologySea Turtle EcologySea Turtle Population DynamicsSex Ratio DeterminationSex Ratio Distribution
Chelonia mydas resident in the Morcton Banks within eastern Moreton Bay.southeastern Queensland, encompass all size classes from immature turtles with a curved carapace length of 39cm to mature adults of both sexes.The population sex ratio is strongly biased to females (66%) and to immature size classes (89% of females, 96% of males).Sexual maturity does not usually occur at the minimum breeding size for ihe species.Tag recoveries indicate that most of the adult females migrate to breed at the southern Great Barrier Reef rookeries.Individual females do not breed annually.Approximately 10% of the population shows signs of anthropogenic impacts which range fram fibropapillomas to propeller damage.Regression equations for converting between the various measurement methodologies for marine turtles are presented for this population.[ |Chelonia mydas, Moreton Bay, sex ratio, sexual maturiry, migration.