Field Sampling (IMAGE) Virginia Institute of Marine Science Caption Manisha Pant, a technician in David Johnson's laboratory at VIMS, samples the invertebrate community within a lightly oiled Louisiana salt marsh. Credit © D. Johnson/VIMS. Usage Restrictions One-time use only. 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.