Utah
Deer Mouse (Peromyscus maniculatus)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DIELDRIN | decrease at 5 mg/kg | homing orientation test, measured as time in maze pointing to capture site | Both Male and Female | Both Adults and Juveniles | 15 animals/dose | NR | Toxicity Factor Datasets |
DIELDRIN | decrease at 5 mg/kg | homing, measured as number recaptured at pre-exposure site | Both Male and Female | Both Adults and Juveniles | 15 animals/dose | NR | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
MERCURY COMPOUNDS | increase and decrease | decreased swimming ability, increased time for mouse to leave circle in center of field, decreased number of lines crossed and increased number of backward movements compared to a reference site | Male | Adult | 7 - 14 animals | Bird Island, Great Salt Lake | Toxicity Factor Datasets |
Western Grebe (Aechmophorus occidentalis)
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDD (4,4'-), DDE (4,4'-) | decreased compared with pre-1940 eggs | eggshell thickness index (Ratcliffe's Index) | Not Reported | Embryo | 93 eggs | Bear River Migratory Bird Refuge | Toxicity Factor Datasets |
Chemical | Endpoint Value | Endpoint Description | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
DDE (4,4'-) | 12.8 ppm DDE, 0.8 ppm DDD, wet wt | mean concentration in breast muscle | Not Reported | Adult | 24 birds | Bear River Migratory Bird Refuge | Toxicity Factor Datasets |
DDE (4,4'-) | 61.5 ppm DDE, 5.2 ppm DDD, wet wt | mean concentration in visceral fat | Not Reported | Adult | 18 birds | Bear River Migratory Bird Refuge | Toxicity Factor Datasets |
DDE (4,4'-) | 0.55 ppm DDE, 0.07 ppm DDD, wet wt | mean concentration in blood | Not Reported | Adult | 16 birds | Bear River Migratory Bird Refuge | Toxicity Factor Datasets |
DDE (4,4'-) | 6.6 ppm DDE, 1.3 ppm DDD, wet wt | mean concentration in whole eggs | Not Reported | Embryo | 40 eggs | Toxicity Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | early July | peak of laying period | Female | Adult | 386 nests | Bear River Migratory Bird Refuge | Exposure Factor Datasets | |
Duration of Incubation or Gestation | 24 | incubation period | d | Both Male and Female | Embryo | 14 clutches | Bear River Migratory Bird Refuge | Exposure Factor Datasets |
Clutch or Litter Size | 2.6 | mean clutch size | eggs | Female | Adult | 70 nests | Bear River Migratory Bird Refuge | Exposure Factor Datasets |
Hatching Success | 21% | percent of nests located in emergent vegetationin which at least one chick hatched | Both Male and Female | Hatchling | 221 nests | Bear River Migratory Bird Refuge | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis ssp. nevadensis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Home Range | 1.4 | calculated with Minimum Area Method | km2 | Female | Adult | 4 | Pine Valley | Exposure Factor Datasets | 0.7 SD |
Home Range | 4.2 | calculated with Minimum Area Method | km2 | Male | Adult | 5 | Pine Valley | Exposure Factor Datasets | 1.5 SD |
Home Range | 1.9 | calculated with Minimum Area Method | km2 | Female | Adult | 4 | Pine Valley | Exposure Factor Datasets | 1.2 SD |
Home Range | 1.9 | calculated with Minimum Area Method | km2 | Male | Adult | 4 | Pine Valley | Exposure Factor Datasets | 1.1 SD |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 4.2 | average body weight | lbs | Female | Adult | 6 | Tooele County, west. UT | Exposure Factor Datasets |
Clutch or Litter Size | pups/litter | Female | Adult | 11 litters | Tooele County, west. UT | Exposure Factor Datasets | ||
Body Weight - Mean | 4.55 | mean body weight | lbs | Male | Adult | 10 | Tooele County, west. UT | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Population Density | population density on 10,359.9 ha study area | ha/fox | Both Male and Female | Adult | foxes 9-22 | western Utah | Exposure Factor Datasets | |
Time of Migration or Dispersal | late summer | time of juvenile dispersal from natal territory | Both Male and Female | Juvenile | Not Reported | western Utah | Exposure Factor Datasets | |
Clutch or Litter Size | range of mean litter sizes over four years | pups | Female | Adult | 2-6 litters/year | western Utah | Exposure Factor Datasets | |
Longevity | 5+ | average maximum age attained | yr | Both Male and Female | Adult | Not Reported | western Utah | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Hatching or Parturition | March to early April | time of whelping | Female | Adult | Not Reported | Tooele County, west. UT, elev. 4300-4800 ft | Exposure Factor Datasets | |
Population Density | 3.6 | pairs/square mile | Both Male and Female | Adult | 9 individuals | Tooele County, west. UT, elev. 4300-4800 ft | Exposure Factor Datasets |
Kit Fox (Vulpes macrotis)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 2.5 | mean litter size | pups | Female | Adult | 8 litters | Exposure Factor Datasets | |
Dietary Composition | black-tailed hare (61.4%), cottontail rabbit (7.7%); also Ord's kangaroo rat, deer mouse, pocket mouse, horned lark, unident. passerine, beetle | proportion of total prey items identified in stomach contents | Both Male and Female | Adult | 18 stomachs | Exposure Factor Datasets | ||
Population Density | 4 | mean number of pairs on study area | pairs/207 km^2 | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | |
Population Density | 1 | mean animal density in study area | adult/12.9 km^2 | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |
Western Snowy Plover (Charadrius nivosus ssp. nivosus formerly Charadrius alexandrinus ssp. nivosus)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | nests/ha | Both Male and Female | Adult | 4 survey years | Howard Slough, Great Salt Lake | Exposure Factor Datasets |
Population Density | range (over 4 years) in maximum number of nests active on one day per total area of potential nesting habitat | nests/ha | Both Male and Female | Adult | 4 survey years | West Layton Marsh, Great Salt Lake | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Survival/ Mortality | 0.687 | estimated average annual adult survival probability (using Jolly-Seber model) | Both Male and Female | Adult | 361 birds captured over 3 yrs | Great Salt Lake | Exposure Factor Datasets | |
Longevity | 2.7 | mean life expectancy for an adult plover, based on survival estimate | yr | Both Male and Female | Adult | 361 birds captured over 3 yrs | Great Salt Lake | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Time of Migration or Dispersal | late Mar to mid Jun | period of migrant arrival to breeding grounds | Female | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets | ||
Time of Migration or Dispersal | late Mar to May 31; Jul 1-15 | peaks of migrant arrival to breeding grounds | Male | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets | ||
Time of Mating/ Laying | Apr 10-Jul 18 | egg-laying period | Female | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets | ||
Foraging Distance | 177 | median foraging distance from nest | m | Female | Adult | 192 observations | Great Salt Lake, Davis County | Exposure Factor Datasets | 25%-75% quartiles=64-466 |
Foraging Distance | 272 | median foraging distance from nest | m | Male | Adult | 266 observations | Great Salt Lake, Davis County | Exposure Factor Datasets | 25%-75% quartiles=110-580 |
Clutch or Litter Size | 3 | modal clutch size | eggs/clutch | Female | Adult | 327 clutches | Great Salt Lake, Davis County | Exposure Factor Datasets | |
Fledging or Weaning Rate | 1.87 | average number of chicks fledged per successful brood | chicks/brood | Female | Adult | 3 yrs data collection | Great Salt Lake, Davis County | Exposure Factor Datasets |
Little Pocket Mouse (Perognathus longimembris)
Exposure Endpoint Type | Endpoint Value | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|
Clutch or Litter Size | 5.78 | embryos/litter | Female | Adult | 9 | Floating Island, Tooele County (elev., 1300-1420 m) | Exposure Factor Datasets | 0.22 |
Mallard duck (Anas platyrhynchos)
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Location | Type |
---|---|---|---|---|---|
Time of Mating/ Laying | March 25 (begin) - May 20 (end) | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|
Dietary Composition | flora (2.6%), fauna (97.4%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 1-6 d |
Dietary Composition | flora (10.5%), fauna (89.5%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 7-12 d |
Dietary Composition | flora (25.3%), fauna (74.7%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 13-18 d |
Dietary Composition | flora (50.6%), fauna (49.4%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 19-25 d |
Dietary Composition | flora (71%), fauna (29%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 26-35 d |
Dietary Composition | flora (89.4%), fauna (10.6%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 36-45 d |
Dietary Composition | flora (99.1%), fauna (0.92%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 46-55 d |
Dietary Composition | flora (99.9%), fauna (0.08%) | Both Male and Female | Juvenile | 94 | Bear River Migratory Bird Refuge | Exposure Factor Datasets | 52-60 d |
Western Meadowlark (Sturnella neglecta)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|
Population Density | range of mean breeding bird densities on three grassland-sagebrush sites (over two years) | territories/16 ha | Both Male and Female | Adult | 3 sites | Wasatch National Forest | Exposure Factor Datasets |
American Kestrel (Falco sparverius)
Exposure Endpoint Type | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Condition |
---|---|---|---|---|---|---|---|---|
Body Fat (total or %) | mean percent body fat as measured by fat extraction from April to September | % | Male | Adult | 14 | Cache county | Exposure Factor Datasets | premigratory |
Western Toad (Anaxyrus boreas formerly Bufo boreas)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 64.6 | mean and range of body weights | g | Male | Adult | 17 | Garfield County | Exposure Factor Datasets |
Body Weight - Mean | 92.9 | mean and range of body weight | g | Female | Adult | 18 | Garfield County | Exposure Factor Datasets |
Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Age-Specific |
---|---|---|---|---|---|---|---|---|---|
Duration of Incubation or Gestation | 28 | average incubation | d | Not Reported | Hatchling | 16 eggs | Utah Lake, Utah County | Exposure Factor Datasets | |
Clutches or Litters per year | clutches/yr | Female | Adult | 11 nests | Utah Lake, Utah County | Exposure Factor Datasets | |||
Clutch or Litter Size | 3.8 | eggs/nest | Female | Adult | Not Reported | Utah Lake, Utah County | Exposure Factor Datasets | ||
Body Weight - Mean | 36 | g | Not Reported | Hatchling | 16 birds | Utah Lake, Utah County | Exposure Factor Datasets | 1 d | |
Body Weight - Mean | 1543 | g | Not Reported | Juvenile | 13 birds | Utah Lake, Utah County | Exposure Factor Datasets | 23 d |
Desert Tortoise (Gopherus agassizi)
Exposure Endpoint Type | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Population Density | #/km2 | Not Reported | Not Reported | Not Reported | Beaver Dam Slope | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Body Weight - Mean | g | Both Male and Female | Not Reported | 41 animals | Beaver Dam Slope, Washington County (elev., 3200-3500 ft) | Exposure Factor Datasets | ||
Population Density | 0.25 | #/acre | Both Male and Female | Not Reported | Not Reported | Beaver Dam Slope, Washington County (elev., 3200-3500 ft) | Exposure Factor Datasets | |
Home Range | 50 | acres | Both Male and Female | Not Reported | NE | Exposure Factor Datasets | ||
Clutch or Litter Size | eggs/clutch | Female | Not Reported | Not Reported | Beaver Dam Slope, Washington County (elev., 3200-3500 ft) | Exposure Factor Datasets | ||
Time of Mating/ Laying | early summer | laying | Female | Not Reported | Not Reported | Beaver Dam Slope, Washington County (elev., 3200-3500 ft) | Exposure Factor Datasets | |
Age at Sexual Maturity | yr | Female | Adult | Not Reported | Beaver Dam Slope, Washington County (elev., 3200-3500 ft) | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type | Error |
---|---|---|---|---|---|---|---|---|---|
Body Weight - Mean | 3.28 | median carapace length = 254.3 mm | kg | Male | Adult | 55 | City Creek and Paradise Canyon, Washington County, UT and Littlefield, Mohave County, AZ | Exposure Factor Datasets | 0.56 SD |
Body Weight - Mean | 2.65 | median carapace length = 237.6 mm | kg | Female | Adult | 20 | City Creek and Paradise Canyon, Washington County, UT and Littlefield, Mohave County, AZ | Exposure Factor Datasets | 0.39 SD |
Exposure Endpoint Type | Endpoint Value | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|
Home Range | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets | |
Population Density | review | Not Reported | Not Reported | Not Reported | Exposure Factor Datasets |
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Foxtail brome (Bromus rubens, 64 +/- 4%); Redstem filaree (Erodium cicutarium, 23 +/- 5%); Common winterfat (Eurotia lanata, 6 +/- 4%) and Vetch (Astragalus and Oxytropis, 4 +/- 2%) | % of each food item in fecal pellets (mean +/- SD) | % | Not Reported | Not Reported | 30 fecal pellets | Beaver Dam Wash, Washington County (elev. 1000 m) | Exposure Factor Datasets |
Sideblotched Lizard (Uta stansburiana)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Dietary Composition | Spiders (4.70); Solpugids (0.56); Ants (7.87); Other Hymenoptera (0.54); Grasshoppers and Crickets (21.68); Roaches (0.20); Mantids (0.66); Beetles (12.35); Termites (0.10); Homoptera-Hemiptera (2.19); Diptera (2.54); Lepidoptera (1.24); Insect larvae (6.13); Unidentified Insects (6.52); Plant Materials (0.89); Unidentified (2.89) | volume (cc) of prey items in stomach contents | cc | Not Reported | Not Reported | 556 | Mountain Home, ID; Granstville, UT; Lovelock, Gabbs and Beatty, NV [lat., 37-42] | Exposure Factor Datasets |
Clutches or Litters per year | clutches/yr | Female | Adult | Not Reported | Stansbury and Granstville, UT [lat., 40] | Exposure Factor Datasets | ||
Clutch or Litter Size | range of mean clutch sizes | eggs/clutch | Female | Adult | 14-74 animals/site and time period | Hart Mountain, OR; Stansbury Island and Grantsville, UT [lat., 40-42] | Exposure Factor Datasets |
Western Skink (Eumeces skiltonianus)
Exposure Endpoint Type | Endpoint Value | Endpoint Description | Units | Sex | Life Cycle Stage | Sample Size | Location | Type |
---|---|---|---|---|---|---|---|---|
Time of Mating/ Laying | May-June | time of breeding | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets | ||
Time of Hatching or Parturition | July - Aug. | Not Reported | Hatchling | Not Reported | Exposure Factor Datasets | |||
Clutch or Litter Size | eggs/clutch | Female | Adult | 8 clutches | Exposure Factor Datasets | |||
Age at Sexual Maturity | 2 | yrs | Both Male and Female | Adult | Not Reported | Exposure Factor Datasets |