Status, trends, and implications for the conservation of heron and egret nesting colonies in the San Francisco Bay area.

Author(s)
Kelly, J.P., Etienne, K., Strong, C., McCaustland, M. and Parkes, M.L
Volume
30
Issue
4
Start Page Number
455
Final Page
478

Datapoints

Displaying 1 - 6 of 6 datapoints.
Species: Snowy Egret (Egretta thula)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Condition Life Cycle Stage Specific Location Countries Type
Population Density Number of active nests See citation Figure 2 See citation Breeding Adult San Francisco bay area USA Exposure Factor Datasets
Survival/ Mortality Mean annual nest survivorship See citation Figure 6 See citation Breeding San Francisco bay area USA Exposure Factor Datasets
Clutch or Litter Size Young in successful nests See citation Figure 7 See citation Nestling San Francisco bay area USA Exposure Factor Datasets
Clutch or Litter Size Mean young fledged in successful nests Central San Francisco Bay: 2.18, Outer Coast-a: 1.82, Outer coast-b: 1.75, San Pablo Bay-a: 2.49, San Pablo Bay-b: 2.46, Russian River-a: 2.37, Russian River-b: 2.38 Central San Francisco Bay: 35, Outer Coast-a: 38, Outer coast-b: 15, San Pablo Bay-a: 160, San Pablo Bay-b: 103, Russian River-a: 97, Russian River-b: 53 Fledglings Fledgling San Francisco bay area USA Exposure Factor Datasets
Clutch or Litter Size Mean young produced in successful nests Central San Francisco Bay: 2.03, Outer Coast-a: 1.27, Outer coast-b: 1.60, San Pablo Bay-a: 2.09, San Pablo Bay-b: 1.54, Russian River-a: 1.66, Russian River-b: 1.75 Central San Francisco Bay: 35, Outer Coast-a: 38, Outer coast-b: 15, San Pablo Bay-a: 160, San Pablo Bay-b: 103, Russian River-a: 97, Russian River-b: 53 Young Nestling San Francisco bay area USA Exposure Factor Datasets
Time of Nesting Intraseasonal nesting activity indexed by mean % nests See citation Figure 10 Breeding San Francisco bay area USA Exposure Factor Datasets

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