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September 17th, 2011
Intelligent Technology Puts WA Turtle Rookery Officially on the World Map

“GIS presents large volumes of data in an easy-to-interpret visual format, providing an accurate and comprehensive view of a situation – which is enormously important when conducting scientific research,” Mr Bundock said.

“The GTCP’s results establish irrefutable, independently verified proof that the Gnaraloo Bay rookery makes a substantial contribution to the world’s Loggerhead turtle population.

“By mapping turtles, their habitats and their predators, our GIS technology has delivered compelling insights into the threats facing sea turtle rookeries and a clearer understanding of the action required to prevent -decline.”

GTCP Project Manager Karen Hattingh said the findings would help secure valuable support for the species’ plight.

“Loggerhead turtle populations are declining rapidly worldwide, so studying and understanding the location of their primary nesting sites is of utmost importance,” Ms Hattingh said.

“We hope these findings bring action from government and community decision-makers and draw public sentiment towards the need to protect this ancient species.”

The Loggerhead is one of the world’s most endangered species of sea turtle – its main threats being introduced predators and habitat degradation – and only one in 10,000 hatchlings survive to sexual maturity.

During the 2010/11 season’s monitoring period of 87 days, 799 turtle nesting attempts by all three species were recorded at Gnaraloo Bay, with 373 of these being unsuccessful – meaning the animals returned to sea without depositing eggs.

Since 2008, GTCP scientific researchers have patrolled the Gnaraloo Bay rookery, monitoring turtle breeding activities based on track and nest identification, with the information then entered into a GIS for mapping and analysis.

Ms Hattingh said the GTCP’s partnership with Esri Australia provided them with the ability to better organise, map and understand the vast amounts of data collected each season and its implications for management activity.

“GIS is an essential capability for our analysis and decision-making, and enables us to better understand the Loggerhead turtle rookery on Gnaraloo’s coastline,” said Ms Hattingh.

“Through our partnership with Esri Australia, we have comprehensively improved our reporting quality, which has ensured our research commands greater status, recognition and credibility.”

Ms Hattingh said the GTCP’s results were a valuable contribution to the scarce amount of information concerning sea turtles along the wild Ningaloo coast.

“Our data sets play an important role in complimenting the research of other concerned turtle scientists, including those at the DEC WA, the CSIRO (Tasmania), the University of West Australia and James Cook University in Queensland,” Ms Hattingh said.

“This makes it all the more important that we continue to invest our time, passion and resources into the program and continue to provide new insights based on reliable information to the scientific world, governments and the public.”