Ben Turner Working on Jurien Dunes (IMAGE) Smithsonian Tropical Research Institute Caption Careful to avoid venomous snakes including gwardars, mulgas, bardick's and whip snakes, Ben Turner, soil scientist at the Smithsonian Tropical Research Institute studies nutrients available in soils as they age across the Jurien Bay dune chronosequence. Credit ABC/Ben Turner Usage Restrictions ABC/Ben Turner License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.