TY - RPRT TI - Estimating factors influencing the detection probability of semiaquatic freshwater snails using quadrat survey methods AU - Elizabeth L. Roesler AU - Timothy B. Grabowski PY - 2017 DO - 10.1007/s10750-017-3415-9 UR - https://pubs.usgs.gov/publication/70197312 ID - 70197312 ER -