Valley Garter Snake (Thamnophis sirtalis ssp. fitchi)
Citation:
Author(s)
Fitch, Henry S.
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Location |
Type |
Error |
Clutch or Litter Size |
11.32 |
based on embryo count |
eggs/litter |
Female |
Adult |
22 |
|
Exposure Factor Datasets |
0.98 |
Citation:
Author(s)
Peterson, Charles C., B. Michael Walton and Albert F. Bennett
Year
Exposure Endpoint Type |
Endpoint Value |
Endpoint Description |
Units |
Sex |
Life Cycle Stage |
Sample Size |
Location |
Type |
California Counties |
Metabolic Rate |
9.18 |
field metabolic rate |
ml CO2/g/d |
Both Male and Female |
Adult |
72 |
Eagle Lake (elev., 1800 m) |
Exposure Factor Datasets |
Lassen |
Growth Rate |
3.1 |
average increase in % of mean body mass per day |
% |
Both Male and Female |
Adult |
78 |
Eagle Lake (elev., 1800 m) |
Exposure Factor Datasets |
Lassen |
Food Ingestion Rate |
14 |
average % of their body mass in frogs ingested per day, estimated from field metabolic rate |
% |
Both Male and Female |
Adult |
72 |
Eagle Lake (elev., 1800 m) |
Exposure Factor Datasets |
Lassen |
Comment