| a global assessment of chromium pollution using sperm whales (physeter macrocephalus) as an indicator species. | chromium (cr) is a well-known human carcinogen and a potential reproductive toxicant, but its contribution to ocean pollution is poorly understood. the aim of this study was to provide a global baseline for cr as a marine pollutant using the sperm whale (physeter macrocephalus) as an indicator species. biopsies were collected from free-ranging whales around the globe during the voyage of the research vessel the odyssey. total cr levels were measured in 361 sperm whales collected from 16 regions ... | 2009 | 19324391 |