TY - RPRT TI - Temporal and spatial variability in stable isotope compositions of a freshwater mussel: Implications for biomonitoring and ecological studies AU - L. Gustafson AU - W. Showers AU - T. Kwak AU - J. Levine AU - M. Stoskopf PY - 2006 DO - 10.1007/s00442-006-0633-7 UR - https://pubs.usgs.gov/publication/70031142 ID - 70031142 ER -