Drupal-Bibcite0<style face="normal" font="default" size="100%">Accuracy of pitfall traps for monitoring populations of the amphipod Orchestia gammarella (Pallas 1766) in saltmarshes</style><style face="normal" font="default" size="100%">Accuracy of pitfall traps for monitoring populations of the amphipod Orchestia gammarella (Pallas 1766) in saltmarshes</style>