TY - RPRT TI - Detection and characterization of benthic filamentous algal stands ( Cladophora sp.) on rocky substrata using a high-frequency echosounder AU - David C. Depew AU - Andrew W. Stevens AU - Ralph E.H. Smith AU - Robert E. Hecky PY - 2009 DO - 10.4319/lom.2009.7.693 UR - https://pubs.usgs.gov/publication/70041609 ID - 70041609 ER -