U.S. Army Engineer Research and Development Center (ERDC) researcher Dr. Edith Martinez-Guerra collects concentrated algal biomass samples downstream of the on-site dewatering screw press during validation testing of the on-shore algae harvesting system operated by AECOM. The screw press was a new component of the Harmful Algal Bloom Interception, Treatment, and Transformation System (HABITATS) that improves throughput of the HABITATS process. The demonstration was conducted at Chautauqua Lake, N.Y., Aug. 19 through Sept. 4.