Trains run with relative infrequency from this station given the actual and potential ridership, 30 to 40 minutes apart in rush hour and 1 hour or longer apart off-peak.
But they expressed concerns about a range of issues, including inaccurate recording of attendance, absenteeism among some students and the infrequency of staff meetings.
However, there are many problems with this method, including ephemeral nature of the sporocarps, difficulty in detecting certain forms (such as hypogeous structures), and infrequency of formation in many species.
It was found that these birds have relatively ineffective methods of anti-predation and that only social anti-predation and the infrequency of encounters with predators were keeping these lekking males alive.
Also, the infrequency with which vaccines are administered among the general population since the eradication of the disease would leave most people unprotected in the event of an outbreak.