

A diver collects a long-spined sea urchin. Credit: Blake Gardner
Our employee owners were recently part of a team of detectives on a mission to discover the killer of long-spined sea urchins, Diadema antillarumy, throughout the Caribbean Sea. The infected urchins lose their spines, leaving them more vulnerable to predation or dying after a few days. In 1983 the same species experienced mass mortality with identical symptoms, but scientists were unable to discover the culprit. Forty years later, the issue resurfaced, and a team of scientists joined forces to unlock the mystery.
CSS employee owners, supporting NOAA’s Coral Reef Conservation Program and NOAA’s Office for Coastal Management, joined a team of scientists in diving to collect urchin samples at 23 sites around the Caribbean Sea. By providing the samples, the researchers were then able to examine and test the urchins and compare them to healthy urchins to determine the cause of the mortality.
Due to this rapid response, scientists determined the cause of the issue within three months
Our staff coauthored this paper documenting the process. https://www.science.org/doi/10.1126/sciadv.adg3200

Researchers examine a long-spined sea urchin. Credit: Leslie Henderson
See More CSS Insights

Assessing Contamination in Abandoned Mines
CSS supports the Environmental Protection Agency with assessing contamination within abandoned mines. There are thousands of abandoned mines throughout the western United States. Many of these mines are leaching heavy metals into nearby streams or have contaminated soils causing vegetation die off. CSS employee owners conduct field work to assess the extent of this contamination.…

Webinar Support for Emergency Chemical Release Response
Our staff assisted the EPA team in developing the webinar event, acted as moderator, and provided technical support.

Assessing Methylene Chloride Levels in Laboratories
CSS employee owners supporting the University of Kentucky have started sampling campus laboratories with high use of methylene chloride to assess levels of employee exposure. This effort is in response to the Environmental Protection Agency (EPA) issuing methylene chloride regulations under Section 6(a) of the Toxic Substance Control Act in the Federal Register on May…