Rocky intertidal research plot (IMAGE) Ecological Society of America Caption A rocky intertidal research plot with a transect and quadrat laid over a Postelsia palmaeformis patch. Credit Barbara Spiecker Usage Restrictions Credit Barbara Spiecker and ESA 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.