title: Density and sediment organic matter content as potential confounding factors in sediment toxicity tests with Hyalella azteca.
authors.affiliation: Cooperative Wildlife Research Laboratory, Southern Illinois University, Mailcode 6504, Carbondale, IL 62901-6504, USA.
authors.forename: T B
authors.initials: TB
authors.lastname: Orr
authors.forename: S M
authors.initials: SM
authors.lastname: Meister
authors.forename: R S
authors.initials: RS
authors.lastname: Halbrook
mesh_terms: D033304:Amphipoda; D000818:Animals; D019015:Geologic Sediments / Q000737:chemistry*; D009930:Organic Chemicals; D011156:Population Density; D015203:Reproducibility of Results; D016019:Survival Analysis; D018675:Toxicity Tests / Q000592:standards; D014873:Water Pollutants / Q000633:toxicity*
chemical_list: D009930:Organic Chemicals; D014873:Water Pollutants