Offspring size as an index of habitat degradation.

Author(s)

Warkentin, I.G., Reed, J.M. and Dunham, S.M.

Volume

Issue

Start Page Number

145

Final Page

153

Datapoints

Displaying 1 - 9 of 9 datapoints.

Species: American Robin (Turdus migratorius)
Exposure Endpoint Type	Endpoint Description	Endpoint Value	Sample Size	Units	Condition	Life Cycle Stage	Specific Location	Countries	Type
Population Density		San Juan: 0.10; Stewart: 0.06; Clear: 0.07	Not reported	per 100 net-hours/km2	Breeding	Adult	Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Clutches or Litters per year		2 to 3	Not reported	Clutch/y	Breeding			USA	Exposure Factor Datasets
Time of Nesting		San Juan: May 22; Stewart: May 27; Clear: June 5	Not reported		Breeding	Adult		USA	Exposure Factor Datasets
Clutch or Litter Size		Initial: 3.8; 8 d: 2.5; 8 d successful only: 3.2	Not reported	Eggs/nest	Breeding	Embryo	San Juan canyon; Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Clutch or Litter Size		Initial: 3.5; 8 d: 1.9; 8 d successful only: 3.0	Not reported	Eggs/nest	Breeding	Embryo	Stewart canyon; Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Clutch or Litter Size		Initial: 3.6; 8 d: 1.7; 8 d successful only: 3.3	Not reported	Eggs/nest	Breeding	Embryo	Clear canyon; Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Body Weight - Mean	Mean egg mass	San Juan: 6.6; Stewart: 6.9; Clear: 7.2	Not reported	g	Breeding	Embryo	Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Hatching Success	Nests with at least 1 yound d 8	San Juan: 21; Stewart: 18; Clear: 9	Not reported	Nests	Breeding	Embryo	Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets
Hatching Success	Nests with no losses after d 8	San Juan: 8; Stewart: 3; Clear: 5	Not reported	Nests	Breeding	Embryo	Toiyabe Mountains in Lander and Nye Counties	USA	Exposure Factor Datasets

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