Reproductive success of colonial tree-nesting waterbirds in Prairie Pothole Wetlands and rivers throughout Northeastern South Dakota.

Author(s)
Baker, N.J., Dieter, C.D. and Bakker, K.K.
Volume
174
Issue
1
Start Page Number
132
Final Page
149

Datapoints

Displaying 1 - 9 of 9 datapoints.
Species: Double-crested Cormorant (Phalacrocorax auritus)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Countries Type
Clutch or Litter Size Brood size 2008: 1.79 ± 0.03, 2009: 1.96 ± 0.02 2008: 493 nests, 2009: 559 nests Number of hatchlings Hatchling Northeast SD USA Exposure Factor Datasets
Time of Hatching or Parturition Earliest hatch date 2008: June 4, 2009: May 29 2008: 493 nests, 2009: 559 nests Hatchling Northeast SD USA Exposure Factor Datasets
Hatching Success Fledge success 2008: 49.5% [45.9-52.9 (95% CI)], 2009: 59.4% [55.8-63.1 (95% CI)] 2008: 28, 2009: 25 Hatchling Northeast SD USA Exposure Factor Datasets
Species: Snowy Egret (Egretta thula)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Countries Type
Clutch or Litter Size 2008: 2.86, 2009: 3.00, mean: 2.94 2008: 22, 2009: 29 nests, mean: 25.5 Eggs/nest Embryo NE South Dakota USA Exposure Factor Datasets
Hatching Success Nest success 2008: 88.0, 2009: 80.6 2008: 25, 2009: 36 nests % Hatchling NE South Dakota USA Exposure Factor Datasets
Hatching Success Fledge success 2008: 87.5, 2009: 77.8 2008: 25, 2009: 36 nests % Fledgling NE South Dakota USA Exposure Factor Datasets
Hatching Success Mean fledged/nest 2.3 2008: 25, 2009: 36 nests No. young fledged/nest Fledgling NE South Dakota USA Exposure Factor Datasets
Mean fledged/successful nest 2.8 2008: 25, 2009: 36 nests No. young fledged/nest Fledgling NE South Dakota USA Exposure Factor Datasets
Mean fledged/successfully fledged nest 2.8 2008: 25, 2009: 36 nests No. young fledged/nest Fledgling NE South Dakota USA Exposure Factor Datasets

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