Species

Displaying 1 - 40 of 94 datapoints

Rana boylii (Foothill Yellow-Legged Frog)

Citation:

Effects of flow regimes altered by dams on survival, population declines, and range‐wide losses of California river‐breeding frogs.

Author(s)

Kupferberg, S.J., Palen, W.J., Lind, A.J., Bobzien, S., Catenazzi, A., Drennan, J., and Power, M.E.

Issue

3

Volume

26
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Error	Units	Sex	Life Cycle Stage	Sample Size	Type
Population Density	See Table 1	Presence in sites occupied prior to 1975						Exposure Factor Datasets
Population Density	Rivers with dams: 5.5, free flowing rivers: 31.1	Clutch abundance per distance	Rivers with dams: 1.2, free flowing rivers: 9.2	Clutches/km	B	Embryo		Exposure Factor Datasets
Hatching Success	See Figure 4	Clutch survival by water discharge			B	Embryo	7-18, see figure description	Exposure Factor Datasets

Citation:

Effects of water temperature on breeding phenology, growth, and metamorphosis of foothill yellow‐legged frogs (Rana boylii): A case study of the regulated mainstem and unregulated tributaries of California's Trinity River.

Author(s)

Wheeler, C.A., Bettaso, J.B., Ashton, D.T. and Welsh Jr, H.H.

Issue

10

Volume

31
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Range	Units	Sex	Life Cycle Stage	Location	Sample Size	Type
Time of Mating/ Laying	See Figure 3; early April-mid June	Oviposition		Date	B	Embryo	Trinity River tributaries	Not reported	Exposure Factor Datasets
Time of Hatching or Parturition	See Figure 3; mid May-late August	Post-hatching		Date	B	Tadpole	Trinity River tributaries	Not reported	Exposure Factor Datasets
Time of Fledging or Metamorphosis	See Figure 3; mid July-early October	Metamorphosis		Date	B	Juvenile	Trinity River tributaries	Not reported	Exposure Factor Datasets
Time of Fledging or Metamorphosis	2008: 9; 2009: 8.5	Time to metamorphosis	2008: 7-11; 2009: 7-10	Weeks	B	Juvenile	Trinity River tributaries	Not reported	Exposure Factor Datasets
Body length	Increased in colder streams except at metamorphic climax	Snout-vent length				Juvenile	Trinity River tributaries	Not reported	Exposure Factor Datasets

Citation:

Foothill yellow-legged frog (Rana boylii) oviposition site choice at multiple spatial scales.

Author(s)

Lind, A.J., Welsh Jr, H.H. and Wheeler, C.A.

Issue

2

Volume

50
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Sex	Life Cycle Stage	Sample Size	Type
Population Density	See Figure 3	Egg masses/km	B	Embryo	See citation	Exposure Factor Datasets

Citation:

Hydrologic and geomorphic factors affecting conservation of a river‐breeding frog (Rana boylii).

Author(s)

Kupferberg, S.J.

Issue

4

Volume

6
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Error	Units	Sex	Life Cycle Stage	Location	Sample Size	Type
Hatching Success	89.7	Egg survival	10.2	%	B	Embryo	Angelo Coast Range Preserve	292	Exposure Factor Datasets
Hatching Success	79.8	Egg survival	12.4	%	B	Embryo	Angelo Coast Range Preserve	553	Exposure Factor Datasets
Population Density	1992: 292, 1993: 399, 1994: 553	Number of clutches			B	Embryo	Angelo Coast Range Preserve		Exposure Factor Datasets

Citation:

Persistence and stability of the component helminth community of the foothill yellow-legged frog, Rana boylii (Ranidae), from Humboldt County, California, 1964–1965, versus 2004–2007.

Author(s)

Bursey, C.R., Goldberg, S.R. and Bettaso, J.B.

Issue

2

Volume

163
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Error	Range	Units	Sex	Life Cycle Stage	Type
Body Weight - Mean	45.2	Snout-vent length	9.5	19-70	mm	B	Not Reported	Exposure Factor Datasets

Citation:

Rana Boylii (Foothill Yellow-Legged Frog). Reproduction.

Author(s)

Bourque, R.M., Bettaso, J.B.

Issue

4

Volume

42
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Units	Sex	Life Cycle Stage	Location	Sample Size	Type
Time of Mating/ Laying	Spring, March-June			B	Adult			Exposure Factor Datasets
Population Density	323.5	Egg mass density	Egg masses/km river		Embryo	Mad River	728 egg masses	Exposure Factor Datasets
Population Density	176.9	Egg mass density	Egg masses/km river		Embryo			Exposure Factor Datasets
Population Density	16	Egg mass density	Egg masses/km river					Exposure Factor Datasets
Body length	51.5	Snout-vent length	mm	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	59	Snout-vent length	mm	F	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	11.5		g	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	15.7		g	F	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	56.5		mm	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	13.2		g	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	53	Snout-vent length	mm	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	74.4	Snout-vent length	mm	F	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	12.8		g	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	35.5		g	F	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	54	Snout-vent length	mm	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	67.5		g	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body length	11	Snout-vent length	mm	M	Adult	South Santiam River	1	Exposure Factor Datasets
Body Weight - Mean	20		g	M	Adult	South Santiam River	1	Exposure Factor Datasets

Citation:

Rana Boylii (Foothill Yellow-Legged Frog). Upland movement.

Author(s)

Cook, D.G., White, E., White, P., White, S.

Issue

2

Volume

43
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Range	Units	Sex	Life Cycle Stage	Location	Type
Foraging Distance	71.3	Distance from creek	16-331	m	B	Both Adults and Juveniles	Sulphur Creek, Ukiah	Exposure Factor Datasets

Citation:

Rana boylii.

Author(s)

Zweifel, R.G.
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Units	Sex	Life Cycle Stage	Sample Size	Type
Body length	56	Snout-vent length	mm	M	Adult	Not reported	Exposure Factor Datasets
Body length	73	Snout-vent length	mm	F	Adult	Not reported	Exposure Factor Datasets

Citation:

Transferability of habitat suitability criteria for a stream breeding frog (Rana boylii) in the Sierra Nevada, California.

Author(s)

Bondi, C.A., Yarnell, S.M., Lind, A.J. and Lind, A.

Issue

1

Volume

8
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Life Cycle Stage	Location	Type
Time of Mating/ Laying	12-May	Start time of egg mass deposition	Embryo	North Fork Feather River	Exposure Factor Datasets
Time of Mating/ Laying	24-Jun	Start time of egg mass deposition	Embryo	South Form American River	Exposure Factor Datasets
Time of Mating/ Laying	See citation Figure 2	Start time of egg mass deposition	Embryo	8 rivers across northern Sierra Nevada	Exposure Factor Datasets

Citation:

Variation in thermal niche of a declining river‐breeding frog: From counter‐gradient responses to population distribution patterns.

Author(s)

Catenazzi, A. and Kupferberg, S.J.

Issue

7

Volume

62
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Units	Life Cycle Stage	Type
Growth Rate	0.02	Growth rate to front limb emergence per degree C increase	mm/d	Tadpole	Exposure Factor Datasets
Growth Rate	3	Growth rate to front limb emergence per degree C increase	mg/d	Tadpole	Exposure Factor Datasets

Citation:

Water velocity tolerance in tadpoles of the foothill yellow-legged frog (Rana boylii): swimming performance, growth, and survival.

Author(s)

Kupferberg, S.J., Lind, A.J., Thill, V. and Yarnell, S.M.

Issue

1

Volume

2011
Exposure Endpoint Type	Endpoint Value	Endpoint Description	Sex	Life Cycle Stage	Type
Hatching Success	See Figure 5A	Proportional hatchling survival by stream velocity	B	Embryo	Exposure Factor Datasets

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