2000 Annual Monitoring Report, Bruneau Hot-Spring Springsnail (Pyrgulopsis Bruneauensis)

This report presents the 2000 monitoring results from four sites near the Indian Bathtub in southwestern Idaho that contain, or have contained, populations of the Bruneau Hot-spring springsnail.(Pyrgulopsis bruneauensis) and compares them with results from previous years. Three of these sites were monitored in 1990 and 1991 by Mladenka (1992), in 1992 by Robinson et al. (1992), in 1993 by Royer and Minshall (1993), in 1994, 1995, 1997 by Varricchione and Minshall (1995a, 1996, 1997), Varricchione et al. (1998), and in 1998 and 1999 by Myler and Minshall (1999). An additional seep at Site 3 (New Seep) was included in the 1994, 1995, and 1997-2000 springsnail monitoring efforts. Monitoring was conducted monthly throughout the year from 1990-1999. Starting in 2000, monitoring was conducted June through October.