Overlapping markers can be separated by clicking on them.
Hovering the cursor over a marker will show the site's name.
Clicking on a marker will show information available about the collection site. (Compare with corresponding letter in table.)
Sagehen Creek Biological Station, Nevada County, California, USA
latitude: 39.431198
longitude: -120.241096
Precision of location: Gauged from chart or map
Site Named Here: By name of site (or city, etc.)
| Polycelis sierrensis | Sep 23, 1967 | spring near Sagehen Creek Biological Station, tributary of Sagehen Creek, furnishing water to the station. Situated about 2 miles west of State Road 89, north of Truckee, water clear, fast, temperature 6.3 degrees C., pH 7.5 under stones, 3 specimen | ||
| Polycelis sierrensis | Jul 10, 1968 | temperature 6.5 degrees C., pH 7.5, oxygen 10 ppm, many specimens under stones, some mature. | ||
| Polycelis sierrensis | May 28-29, 1970 | temperature 6.3 degrees C., pH 7.5, oxygen 9 ppm, about 50 Polycelis under stones and on bait (beef liver) exposed over night, some mature. | ||
| Phagocata crenophila | May 28-29, 1970 | temperature 6.3 degrees C., pH 7.5, oxygen 9 ppm, numerous Polycelis, less numerous this species. |