Sea Turtle Conservation

This long-term research programme investigates sea turtle biology and behaviour, and how they can be used as indicators of where their habitats, such as seagrass meadows, might be located. The search also looks at how sea turtles navigate during ocean migrations and how the size and location of their foraging sites shape their fine-scale movements.
Lead investigator: Prof. Graeme Hays (Deakin University).

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1 to 7 of 7 Results

Data from: High dive efficiency in shallow water May 31, 2025 Stokes, Kimberley L; Esteban, Nicole; Stokes, Holly J; Hays, Graeme C, 2025, "Data from: High dive efficiency in shallow water", https://doi.org/10.5061/DRYAD.C2FQZ61C1, Dryad Dive studies across mammals, birds, reptiles, and fish often focus on deep dives, and shallow-water diving has tended to be overlooked. For air-breathers, foraging in shallow water poses challenges since the lungs generate buoyancy, and shallow divers must trade off the extent of inhalation against the negative buoyancy needed to avoid floating to... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Data from: Synergistic use of UAV surveys, satellite tracking data and mark-recapture to estimate abundance of elusive species May 31, 2025 Stokes, Holly; Mortimer, Jeanne; Laloë, Jacques-Olivier; Hays, Graeme; Esteban, Nicole, 2025, "Data from: Synergistic use of UAV surveys, satellite tracking data and mark-recapture to estimate abundance of elusive species", https://doi.org/10.5061/DRYAD.TTDZ08M1P, Dryad Estimating population abundance is central to many ecological studies and important in conservation planning. Yet the elusive nature of many species makes estimating their abundance challenging. Abundance estimates of sea turtles, marine birds and seals are usually made when breeding adults are ashore, while life-stages spent at sea, including as j... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Data from: Study "Green turtles (Chelonia Mydas); Hays; Chagos Archipelago, Western Indian Ocean" Aug 20, 2024 Hays, Graeme C.; Esteban, Nicole; Rattray, Alex, 2024, "Data from: Study "Green turtles (Chelonia Mydas); Hays; Chagos Archipelago, Western Indian Ocean"", https://doi.org/10.5441/001/1.313 Estimating the absolute number of individuals in populations and their fecundity is central to understanding the ecosystem role of species and their population dynamics as well as allowing informed conservation management for endangered species. Estimates of abundance and fecundity are often difficult to obtain for rare or cryptic species. Yet, in... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Data from: High accuracy tracking reveals how small conservation areas can protect marine megafauna Aug 20, 2024 Hays, Graeme C.; Mortimer, Jeanne A.; Rattray, Alex; Shimada, Takahiro; Esteban, Nicole, 2024, "Data from: High accuracy tracking reveals how small conservation areas can protect marine megafauna", https://doi.org/10.5441/001/1.R72PH75F Space use estimates can inform conservation management but relaying high-accuracy locations is often not straightforward. We used Fastloc-GPS Argos satellite tags with the innovation of additional data relay via a ground station (termed a “Mote”) to record high volumes (typically > 20 locations per individual per day) of high accuracy tracking data... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Supplementary material from "Travel routes to remote ocean targets reveal the map sense resolution for a marine migrant" May 5, 2022 Hays, Graeme C.; Atchison-Balmond, Nadine; Cerritelli, Giulia; Laloë, Jacques-Olivier; Luschi, Paolo; Mortimer, Jeanne A.; Rattray, Alex; Esteban, Nicole, 2024, "Supplementary material from "Travel routes to remote ocean targets reveal the map sense resolution for a marine migrant"", https://doi.org/10.6084/M9.FIGSHARE.C.5981171.V1 How animals navigate across the ocean to isolated targets remains perplexing greater than 150 years since this question was considered by Charles Darwin. To help solve this long-standing enigma, we considered the likely resolution of any map sense used in migration, based on the navigational performance across different scales (tens to thousands of... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Supplementary material from "Impact of marine heatwaves for sea turtle nest temperatures" May 8, 2021 Hays, Graeme C.; Chivers, William J.; Jacques-Olivier Laloë; Sheppard, Charles; Esteban, Nicole, 2024, "Supplementary material from "Impact of marine heatwaves for sea turtle nest temperatures"", https://doi.org/10.6084/M9.FIGSHARE.C.5416983.V1 There are major concerns about the ecological impact of extreme weather events. In the oceans, marine heatwaves (MHWs) are an increasing threat causing, for example, recent devastation to coral reefs around the world. We show that these impacts extend to adjacent terrestrial systems and could negatively affect the breeding of endangered species. We... The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.
Sand, water and air temperature data from Impact of marine heatwaves for sea turtle nest temperatures May 8, 2021 Hays, Graeme C.; Chivers, William J.; Jacques-Olivier Laloë; Sheppard, Charles; Esteban, Nicole, 2024, "Sand, water and air temperature data from Impact of marine heatwaves for sea turtle nest temperatures", https://doi.org/10.6084/M9.FIGSHARE.14559987.V1 Mean monthly sand, air and water temperatures. The metadata for the Dataset was harvested from DataCite. Clicking the dataset link will take you directly to the original archival location, as registered with DataCite.

Data from: High dive efficiency in shallow water

May 31, 2025

Stokes, Kimberley L; Esteban, Nicole; Stokes, Holly J; Hays, Graeme C, 2025, "Data from: High dive efficiency in shallow water", https://doi.org/10.5061/DRYAD.C2FQZ61C1, Dryad

Dive studies across mammals, birds, reptiles, and fish often focus on deep dives, and shallow-water diving has tended to be overlooked. For air-breathers, foraging in shallow water poses challenges since the lungs generate buoyancy, and shallow divers must trade off the extent of inhalation against the negative buoyancy needed to avoid floating to...