Offspring size as an index of habitat degradation.

Author(s)
Warkentin, I.G., Reed, J.M. and Dunham, S.M.
Volume
3
Issue
2
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
OEHHA California Office of Environmental Health Hazard Assessment