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Ensatina eschscholtzii (Ensatina)

Citation:

Amphibians in managed, second-growth Douglas-fir forests.

Author(s)
Aubry, K.B.
Issue
4
Volume
64
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Type
Population Density 12 >30 ha area Individuals captured NR Not Reported Pierce County, Washington Exposure Factor Datasets
Population Density 34 >30 ha area Individuals captured NR Not Reported Pierce County, Washington Exposure Factor Datasets
Population Density 137 >30 ha area Individuals captured NR Not Reported Pierce County, Washington Exposure Factor Datasets
Citation:

Early development of Ensatina eschscholtzii: an amphibian with a large, yolky egg.

Author(s)
Collazo, A. and Keller, R.
Issue
6
Volume
1
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Sample Size Type
Time of Mating/ Laying See citation F Adult 19 Exposure Factor Datasets
Citation:

Plethodontid Salamander Distributions in Managed Forest Headwaters in Western Oregon, USA.

Author(s)
Olson, D. H., & Kluber, M. R.
Issue
1
Volume
9
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Type
Population Density See citation 46 ha Individuals captured NR Not Reported Green Peak forest, Benton County, N 44.3667, W 123.4583 Exposure Factor Datasets
Citation:

Amphibian populations in the terrestrial environment: Is there evidence of declines of terrestrial forest amphibians in northwestern California?

Author(s)
Welsh Jr, H.H., Fellers, G.M. and Lind, A.J.
Issue
41
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Sample Size Type
Population Density See citation Table 1 21-150 ha Individuals captured NR Not Reported 2420 Exposure Factor Datasets

Dicamptodon ensatus (California Giant Salamander)

Citation:

Unusual subterranean aggregations of the California Giant Salamander, Dicamptodon ensatus.

Author(s)
Fellers, G.M., Wood, L.L., Carlisle, S. and Pratt, D.
Volume
5
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Type
Population Density 28 Removed drainage culvert; 2.1 m wide x 1.4 m high x 12.2 m long Individuals captured B Adult Estero Road, Point Reyes National Seashore Exposure Factor Datasets
Population Density 45 Removed drainage culvert; 1.2 m diameter x 12.2 m long Individuals captured B Adult Glenbrook Creek, Point Reyes National Seashore Exposure Factor Datasets

Pseudacris regilla (Pacific Treefrog)

Citation:

Effects of nitrate and the pathogenic water mold Saprolegnia on survival of amphibian larvae.

Author(s)
Romansic, J.M., Diez, K.A., Higashi, E.M. and Blaustein, A.R.
Issue
3
Volume
68
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 0.03 Larvae mass NR g NR Embryo Pond at Baker Beach, Lane County, OR 32 Exposure Factor Datasets

Rana aurora (Northern Red-legged Frog)

Citation:

Terrestrial activity and conservation of adult California red-legged frogs Rana aurora draytonii in coastal forests and grasslands.

Author(s)
Bulger, J.B., Scott, N.J. and Seymour, R.B.
Issue
1
Volume
110
Exposure Endpoint Type Endpoint Value Endpoint Description Life Cycle Stage Location Sample Size Type
Time of Migration or Dispersal January 29-May 1 Post-breeding migration Adult Scott Creek watershed 26-Aug Exposure Factor Datasets
Citation:

Effects of agricultural runoff on native amphibians in the lower Fraser River Valley, British Columbia, Canada.

Author(s)
de Solla, S.R., Pettit, K.E., Bishop, C.A., Cheng, K.M. and Elliott, J.E.
Issue
1
Volume
21
Exposure Endpoint Type Endpoint Value Units Life Cycle Stage Location Sample Size Type
Hatching Success See citation % Embryo Sumas Prairie, British Columbia 100 Exposure Factor Datasets

Anaxyrus boreas (Western Toad)

Citation:

Influence of demography and environment on persistence in toad populations.

Author(s)
Lambert, B.A., Schorr, R.A., Schneider, S.C. and Muths, E.
Issue
7
Volume
80
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Sample Size Type
Population Density See citation 0.06-0.29 ha Individuals captured Adult Rocky Mountains, CO See citation Exposure Factor Datasets
Citation:

A herpetological inventory of Naval Air Station Fallon, Churchill County, Nevada.

Author(s)
Rose, J.P., Miano, O.J., Cottle, G.R., Lovich, R.E., Palmer, R.L. and Todd, B.D.
Issue
4
Volume
75
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Type
Population Density 131 975 sq km Individuals captured Both Adults and Juveniles Naval Air Station Fallon, NV Exposure Factor Datasets
Citation:

Distribution of amphibians in terrestrial habitat surrounding wetlands.

Author(s)
Rittenhouse, T.A. and Semlitsch, R.D.
Issue
1
Volume
27
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Sample Size Type
Foraging Distance Review Mean distance traveled from breeding site B Not Reported 404 Exposure Factor Datasets
Citation:

Effects of age, weight, hormones, and hibernation on breeding success in boreal toads (Bufo boreas boreas).

Author(s)
Roth, T.L., Szymanski, D.C. and Keyster, E.D.
Issue
4
Volume
73
Exposure Endpoint Type Endpoint Value Endpoint Description Units Sex Life Cycle Stage Location Sample Size Type
Body Weight - Mean 37.1 (1.2) - 47.7 (2.2) Hibernated males, age range 1-5 y g (± SEM) M Adult Center for Conservation and Research of Endangered Wildlife, Cincinnati Zoo & Botanical Garden 45 Exposure Factor Datasets
Body Weight - Mean 32.6 (1.1) - 42.1 (2.0) Hibernated females, age range 1-4 y g (± SEM) F Adult Center for Conservation and Research of Endangered Wildlife, Cincinnati Zoo & Botanical Garden 32 Exposure Factor Datasets
Body Weight - Mean 41.4 (1.9) - 59.3 (2.4) Nonhibernated females, age range 2-5 y g (± SEM) F Adult Center for Conservation and Research of Endangered Wildlife, Cincinnati Zoo & Botanical Garden 32 Exposure Factor Datasets

Uma inornata (Coachella Valley Fringe-toed Lizard)

Citation:

Population dynamics of a threatened sand dune lizard.

Author(s)
Barrows, C.W.
Issue
4
Volume
51
Exposure Endpoint Type Endpoint Value Endpoint Description Life Cycle Stage Location Type
Dietary Composition See citation Not Reported Thousand Palms Preserve Exposure Factor Datasets
Population Density See citation Population growth, r Not Reported Thousand Palms Preserve Exposure Factor Datasets
Citation:

Is the Coachella Valley fringe-toed lizard (Uma inornata) on the edge of extinction at Thousand Palms Preserve in California?

Author(s)
Chen, X., Barrows, C.W. and Li, B.L.
Issue
1
Volume
51
Exposure Endpoint Type Endpoint Value Endpoint Description Life Cycle Stage Location Type
Population Density See citation Mean hatchlings/ha Hatchling Thousand Palms Preserve Exposure Factor Datasets

Gopherus agassizi (Desert Tortoise)

Citation:

Reproduction of Gopherus agassizii in the Sonoran Desert, Arizona.

Author(s)
Averill-Murray, R.C.
Issue
2
Volume
4
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 5.7 Mean clutch size 2.43 Number of eggs Sugarloaf Mountain, AZ 7 Exposure Factor Datasets
Time of Mating/ Laying 42913 Oviposition date 14 d Date Adult Sugarloaf Mountain, AZ 8 Exposure Factor Datasets
Clutch or Litter Size 3.8 Mean clutch size 1.26 Number of eggs Sugarloaf Mountain, AZ 4 Exposure Factor Datasets
Time of Mating/ Laying 42917 Oviposition date 7 d Date Adult Sugarloaf Mountain, AZ 4 Exposure Factor Datasets
Clutch or Litter Size 5.7 Mean clutch size 1.49 Number of eggs Sugarloaf Mountain, AZ 12 Exposure Factor Datasets
Time of Mating/ Laying 42929 Oviposition date 9 d Date Adult Sugarloaf Mountain, AZ 13 Exposure Factor Datasets
Clutch or Litter Size 4.6 Mean clutch size 1.5 Number of eggs Sugarloaf Mountain, AZ 5 Exposure Factor Datasets
Time of Mating/ Laying 42941 Oviposition date 21 d Date Adult Sugarloaf Mountain, AZ 7 Exposure Factor Datasets
Citation:

Survival during early life stages of the desert tortoise (Gopherus agassizii) in the south-central Mojave Desert.

Author(s)
Bjurlin, C.D. and Bissonette, J.A.
Issue
4
Volume
38
Exposure Endpoint Type Endpoint Value Endpoint Description Units Life Cycle Stage Location Sample Size Type
Hatching Success 73.7 % normal neonate produced % Neonate Marine Corps Air Ground Combat Center, Twentynine Palms, CA 28 Exposure Factor Datasets
Hatching Success 67 % normal neonate produced % Neonate Marine Corps Air Ground Combat Center, Twentynine Palms, CA 63 Exposure Factor Datasets
Citation:

Nutritional quality of natural foods of juvenile and adult desert tortoises (Gopherus agassizii): calcium, phosphorus, and magnesium digestibility.

Author(s)
Hazard, L.C., Shemanski, D.R. and Nagy, K.A.
Issue
1
Volume
44
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Sex Life Cycle Stage Location Sample Size Type
Growth Rate -0.045 Voluntary consumption of A. hymenoides grass 0.038 % mass change/day NR Both Adults and Juveniles University of California, Los Angeles 10 Exposure Factor Datasets
Growth Rate -0.043 Voluntary consumption of S. barbatus grass 0.025 % mass change/day NR Both Adults and Juveniles University of California, Los Angeles 10 Exposure Factor Datasets
Growth Rate 0.139 Voluntary consumption of M. glabrata forb 0.128 % mass change/day NR Both Adults and Juveniles University of California, Los Angeles 10 Exposure Factor Datasets
Growth Rate 0.162 Voluntary consumption of E. cicutarium forb 0.133 % mass change/day NR Both Adults and Juveniles University of California, Los Angeles 10 Exposure Factor Datasets
Citation:

Desert tortoises (Gopherus agassizii) are selective herbivores that track the flowering phenology of their preferred food plants.

Author(s)
Jennings, W.B. and Berry, K.H.
Issue
1
Volume
10
Exposure Endpoint Type Endpoint Value Sex Life Cycle Stage Location Sample Size Type
Dietary Composition See citation Table 6 B Adult Desert Tortoise Research Natural Area, eastern Kern County, California 18 Exposure Factor Datasets
Dietary Composition See citation Table 8 B Adult Desert Tortoise Research Natural Area, eastern Kern County, California 18 Exposure Factor Datasets
Citation:

Climatic variation affects clutch phenology in Agassiz’s desert tortoise Gopherus agassizii.

Author(s)
Lovich, J., Agha, M., Meulblok, M., Meyer, K., Ennen, J., Loughran, C., Madrak, S. and Bjurlin, C.
Issue
1
Volume
19
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Type
Time of Mating/ Laying See citation Figure 2 Clutch phenology F Adult Mesa wind farm near Palm Springs, CA Exposure Factor Datasets
Citation:

Relative abundance and demographic structure of Agassiz’s desert tortoise (Gopherus agassizii) along roads of varying size and traffic volume.

Author(s)
Nafus, M.G., Tuberville, T.D., Buhlmann, K.A. and Todd, B.D.
Volume
162
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Home Range See citation Burrow location relative to roadways B Both Adults and Juveniles Mojave National Preserve 149-253 Exposure Factor Datasets
Citation:

Head-started desert tortoises (Gopherus agassizii): movements, survivorship and mortality causes following their release.

Author(s)
Nagy, K.A., Scott Hillard, L., Tuma, M.W. and Morafka, D.J.
Issue
1
Volume
10
Exposure Endpoint Type Endpoint Value Endpoint Description Sex Life Cycle Stage Location Sample Size Type
Survival/ Mortality See citation Figure 6; predation, exposure Cause of death relative to body length B Both Adults and Juveniles Fort Irwin National Training Center 53 Exposure Factor Datasets
Citation:

Mojave desert tortoise (Gopherus agassizii) thermal ecology and reproductive success along a rainfall cline.

Author(s)
Sieg, A.E., Gambone, M.M., Wallace, B.P., Clusella‐trullas, S., Spotila, J.R. and Avery, H.W.
Issue
3
Volume
10
Exposure Endpoint Type Endpoint Value Endpoint Description Error Units Life Cycle Stage Location Sample Size Type
Clutch or Litter Size 3.3 Clutch size 0.2 Number of eggs Embryo Ivanpah Valley 19 Exposure Factor Datasets
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OEHHA California Office of Environmental Health Hazard Assessment