Northern Red-legged Frog (Rana aurora) formerly Rana aurora ssp. aurora
Northern Red-legged Frog (Rana aurora) formerly Rana aurora ssp. aurora
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Lab |
---|---|---|---|---|---|---|---|---|---|
DIURON | 22.2 mg/l (95% CI; 19.8 - 25.0) | 14 d LC50 | Not Reported | Tadpole | 5/replicate; 3 replicates/dose | Toxicity Factor Datasets | 7 d | Laboratory | |
DIURON | 7.6 mg/l | lowest NOAEL based on body weight endpoint | Not Reported | Tadpole | 5/replicate; 3 replicates/dose | Toxicity Factor Datasets | 7 d | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Countries |
---|---|---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 5.3 | survival from tadpole to young-of-the-year frogs | % | Not Reported | Tadpole | Not Reported | White Rock, British Columbia | Exposure Factor Datasets | CANADA | |
Survival/ Mortality | 68.6 | annual minimal survival | % | Not Reported | Adult | 67 | White Rock, British Columbia | Exposure Factor Datasets | CANADA | |
Survival/ Mortality | 18.0 | annual minimal survival | % | Not Reported | Both Adults and Juveniles | 256 | White Rock, British Columbia | Exposure Factor Datasets | CANADA | |
Clutch or Litter Size | 680 | # ova/egg mass | Female | Adult | Not Reported | White Rock, British Columbia | Exposure Factor Datasets | CANADA | ||
Survival/ Mortality | embryo survival, estimated by counting # dead embryos in 100 eggs/egg mass | % | Not Reported | Embryo, Juvenile | 22 egg masses | White Rock, British Columbia | Exposure Factor Datasets | stage 13 | CANADA | |
Survival/ Mortality | <1 | survival from hatching to metamorphosis | % | Not Reported | Tadpole | 9,901-12,512 hatching embryos | White Rock, British Columbia | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Time of Mating/ Laying | review | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | see citation | figure of mean mass of larvae with and without bullfrog presence | Not Reported | Hatchling | 100-150 | field enclosures at E.E. Wilson Wildlife Refuge, Benton County | Exposure Factor Datasets | Gosner stage 25 larvae |
Age at Fledging, Metamorphosis, Weaning | see citation | figure of mean time to metamorphosis with and without bullfrog presence | Not Reported | Hatchling | 100-150 | field enclosures at E.E. Wilson Wildlife Refuge, Benton County | Exposure Factor Datasets | Gosner stage 25 larvae |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Apr. | time of breeding and laying | Both Male and Female | Adult | Not Reported | White Rock, British Columbia | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries | Error |
---|---|---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Apr. | time of first observance of egg masses | Female | Adult | observations over 3 yrs | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | ||
Time of Hatching or Parturition | May | Not Reported | Embryo | observations over 3 yrs | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | |||
Population Density | 500 | maximum reported density | #/m2 | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | |
Time of Fledging or Metamorphosis | July - Oct. | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | |||
Clutch or Litter Size | 531 | #/egg mass | Female | Adult | 35 egg masses | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | 19 SE | |
Survival/ Mortality | 5 | survival of larval population until metamorphosis | % | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA | |
Body Weight - Mean | log W = -4.60 + 3.085(log L) | regression equation relating body weight (W; mg, dry wt.) to body length (L; mm) | mg | Not Reported | Tadpole | Not Reported | Marion Lake, southern British Columbia (elev., 300m) | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Jan. - Feb. | time of egg laying | Female | Adult | Not Reported | Corvallis | Exposure Factor Datasets | |
Clutch or Litter Size | #/egg mass | Female | Adult | 6 egg masses | Corvallis | Exposure Factor Datasets | ||
Time of Fledging or Metamorphosis | June - July | Not Reported | Tadpole | Not Reported | Corvallis | Exposure Factor Datasets | ||
Age at Sexual Maturity | 2 | yr | Both Male and Female | Adult | Not Reported | Corvallis | Exposure Factor Datasets | |
Duration of Incubation or Gestation | time from egg to hatching under field conditions | wks | Not Reported | Embryo | Not Reported | Corvallis | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | Feb. - Mar. | determined by presence of calling males and new egg masses | Both Male and Female | Adult | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets | |
Clutch or Litter Size | 600 | #/ egg mass | Female | Adult | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 35 | time from egg to hatching, water temperature ranged from 4.5 - 7.8C | d | Both Male and Female | Embryo | 35 egg masses | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
Time of Hatching or Parturition | Apr. | Both Male and Female | Embryo | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets | ||
Body Weight - Mean | 6.46 | average maximum weight (75.9 mm total length) | g | Not Reported | Tadpole | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
Growth Rate | 0.62 | average growth rate (total length) from stages 23-30 | mm/d | Not Reported | Tadpole | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
Growth Rate | 0.99 | average growth rate (total length) from stages 30-39 | mm/d | Not Reported | Tadpole | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
Time of Fledging or Metamorphosis | July | Not Reported | Tadpole | Not Reported | Lake Louise Wildlife Sanctuary, Bellingham, Whatcom county (elev., 120m) | Exposure Factor Datasets |
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Lab |
---|---|---|---|---|---|---|---|
Longevity | yrs | Female | Adult | 2 | Exposure Factor Datasets | Laboratory |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type | Countries |
---|---|---|---|---|---|---|---|---|
Dietary Composition | see citation | frequency of occurrence and food item abundance of 53 items (family level and prey lifestage) in stomach contents | Both Male and Female | Both Adults and Juveniles | 26-104/lifestage | White Rock, British Columbia [lat., 49^o02'N; long., 122^o39'W] | Exposure Factor Datasets | CANADA |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific | Error | Lab |
---|---|---|---|---|---|---|---|---|---|---|---|
Metabolic Rate | 0.59 | oxygen consumption at 18.5C | cm3 O2/egg/hr | Not Reported | Embryo | 6 replicates with 30 embryos each | Exposure Factor Datasets | stage 12 - 15 | 0.10 SD | Laboratory |