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| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Tox Exposure | Toxicity Endpoint Type | Tox Exposure Technique | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| MERCURY (elemental) | 0.123 (0.06-0.23) | Tissue concentration | M | Adult | Canyon | 2 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets |
| MERCURY (elemental) | 0.320 (0.21-0.49) | Tissue concentration | M | Adult | Canyon | 2 | NR | TOX-EXP IND - accumulation | Environmental contamination | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Tox Exposure | Toxicity Endpoint Type | Tox Exposure Duration | Tox Exposure Technique | Type |
|---|---|---|---|---|---|---|---|---|---|---|
| CARBARYL | 585 ug/L ± 229 | LC50 | B | Tadpole | 100 | Controls, 50, 500, 5000 ug/L | TOX-MORT - toxicity benchmarks | 72 h | Waterborne | Toxicity Factor Datasets |
| CARBARYL | No effect | LC50 (competition due to exposure) | B | Tadpole | 20 | Controls, 50 ug/L | TOX-MORT - toxicity benchmarks | 72 h | Waterborne | Toxicity Factor Datasets |
| CARBARYL | Slightly reduced | Development rate | B | Tadpole | 60 | Controls, 50 ug/L | TOX-MORT - toxicity benchmarks | 72 h | Waterborne | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Tox Exposure | Toxicity Endpoint Type | Tox Exposure Duration | Tox Exposure Technique | Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CHLORPYRIFOS | 3.005 mg/L | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.5, 1.19, 1.98, 3.3, 5.5 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets |
| DIAZINON | 7.488 mg/L | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 1.25, 2.5, 5, 10 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets |
| MALATHION | 2.137 mg/L | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 1.25, 2.5, 5, 10 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets |
| Not calculated | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.005, 0.01, 0.04 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets | |
| 0.760 mg/L | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.0125, 0.025, 0.05, 0.1, 0.5, 1.0, 10, 20 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets | |
| 0.023 mg/L | Mortality | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.0037, 0.0075, 0.015, 0.03 mg/L | TOX-MORT - toxicity benchmarks | 96 h | Waterborne | Toxicity Factor Datasets | |
| CHLORPYRIFOS | See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.5, 1.19, 1.98, 3.3, 5.5 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets |
| DIAZINON | See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 1.25, 2.5, 5, 10 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets |
| MALATHION | See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 1.25, 2.5, 5, 10 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets |
| See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.005, 0.01, 0.04 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets | |
| See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.0125, 0.025, 0.05, 0.1, 0.5, 1.0, 10, 20 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets | |
| See Figure 1 | Cholinesterase activity | B | Tadpole | Eggs from stream near Fort Bragg | See Table 1 | 0.0037, 0.0075, 0.015, 0.03 mg/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | 96 h | Waterborne | Toxicity Factor Datasets |
| Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Tox Exposure | Toxicity Endpoint Type | Tox Exposure Duration | Tox Exposure Technique | Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CHLORPYRIFOS | Logistic: 108.7 ug/L; SK: 66.5 ug/L | LC50 | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-MORT - toxicity benchmarks | 54 d | Waterborne | Toxicity Factor Datasets |
| ENDOSULFAN | Logistic: 0.233 ug/L; SK: 0.55 ug/L | LC50 | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-MORT - toxicity benchmarks | 54 d | Waterborne | Toxicity Factor Datasets |
| CHLORPYRIFOS | No effect 0-14 d; various by 54 d; see size by exposure in Table 2 | Body mass | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - whole animal | 10, 30 d | Waterborne | Toxicity Factor Datasets |
| ENDOSULFAN | Decreased | Body mass | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - whole animal | 10, 30 d | Waterborne | Toxicity Factor Datasets |
| CHLORPYRIFOS | No effect 0-14 d; decrease by 34 d; see size by exposure in Table 2 | Snout-vent length | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - whole animal | 10, 30 d | Waterborne | Toxicity Factor Datasets |
| ENDOSULFAN | Decreased | Snout-vent length | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - whole animal | 10, 30 d | Waterborne | Toxicity Factor Datasets |
| CHLORPYRIFOS | Increased | Time to metamorphosis | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-REPRO - development | Waterborne | Toxicity Factor Datasets | |
| ENDOSULFAN | No effect | Time to metamorphosis | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-REPRO - development | Waterborne | Toxicity Factor Datasets | |
| CHLORPYRIFOS | Decreased | Cholinesterase activity | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | Waterborne | Toxicity Factor Datasets | |
| ENDOSULFAN | Decreased | Cholinesterase activity | B | Tadpole | Eggs from Soda Creek | 18/treatment | 0, 0.8, 3.12, 12.5, 50, 200 ug/L | TOX-Non-Repro-Sublethal - cellular/biochemical effects | Waterborne | Toxicity Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Body Weight - Mean | See paper for weight to developmental stage relationship (Gosner stages 27-40) | 7 - 43 | g | Not Reported | Tadpole | Crane Pond, E.S. George Reserve, Livingston County [lat., 42.5N] | 120 | Exposure Factor Datasets | |
| Age at Fledging, Metamorphosis, Weaning | Referred to as "age at transformation"; range of snout-vent length at transformation = 35-57 mm | 13 - 16 or 24 - 25 | mo | Not Reported | Tadpole | Crane Pond, E.S. George Reserve, Livingston County [lat., 42.5N] | 1051 | Exposure Factor Datasets | |
| Time of Fledging or Metamorphosis | July - Sept. | Not Reported | Tadpole | Crane Pond, E.S. George Reserve, Livingston County [lat., 42.5N] | Not Reported | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Population Density | 0.9 - 13.2 | #/m2 | Not Reported | Tadpole | Coldstream Pond and Fred Pond, northeast of Lexington, [38o06'23"N, 84o30'08"W] | 3 sampling periods, 20,000 animals | Exposure Factor Datasets | ||
| Time of Fledging or Metamorphosis | July - Sept. | Not Reported | Tadpole | Coldstream Pond and Fred Pond, northeast of Lexington, [38o06'23"N, 84o30'08"W] | Not Reported | Exposure Factor Datasets | |||
| Age at Fledging, Metamorphosis, Weaning | 1 | yr | Not Reported | Tadpole | Coldstream Pond and Fred Pond, northeast of Lexington, [38o06'23"N, 84o30'08"W] | Not Reported | Exposure Factor Datasets | ||
| Body Weight - Mean | see citation | figure of annual variation in weight | g | Not Reported | Tadpole | Coldstream Pond and Fred Pond, northeast of Lexington, [38o06'23"N, 84o30'08"W] | 27 - 1817 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | % occurrence of 44 food items in stomach contents (species level) | Not Reported | Not Reported | streams, ponds, strip pits in Pulaski, Loanoke and Saline counties | 139 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Dietary Composition | see citation | % frequency of 26 food items in stomach contents (family level) | Not Reported | Adult | Cranberry Lake Biological Station, Barber Point, Cranberry Lake | 24 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Value | Endpoint Description | Error | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|---|---|
| Territory Size | 17.8 | Average distance between male frog and closest male neighbor within a chorus; also reported as a minimum territory radius of 9 ft. | 5.9 SD | ft | Male | Adult | Pond in E.S. George Reserve | 94 | Exposure Factor Datasets |
| Exposure Endpoint Type | Endpoint Description | Range | Units | Sex | Life Cycle Stage | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutches or Litters per year | Double clutching observed in 5 out of 73 females | 1 - 2 | clutches/yr | Female | Adult | 73 | Exposure Factor Datasets |
| Exposure Endpoint Type | Range | Units | Sex | Life Cycle Stage | Location | Sample Size | Type |
|---|---|---|---|---|---|---|---|
| Clutch or Litter Size | 6,000 - 20,000 | eggs/clutch | Female | Adult | Crane Pond, E.S. George Reserve | Not Reported | Exposure Factor Datasets |
| Clutches or Litters per year | 1 - 2 | clutches/yr | Female | Adult | Crane Pond, E.S. George Reserve | Not Reported | Exposure Factor Datasets |