Lower Fraser River Basin
Density, Miscellaneous, Morphology
overall good quality, but not standardized
dissecting microscope, ocular micrometer
Crangonyx richmondensis occidentalis, Hyalella azteca
Lower Fraser River
Mathias, J.A. 1967. Population energetics of two amphipod species in Marion Lake. M.Sc. thesis. Department of Zoology, UBC.
density, head length, identification, sex, weight