Demography of a California least tern colony including effects of the 1982-83 El Nino

Author(s)
Massey, Barbara W., David W. Bradley and Jonathon L. Atwood
Year
Article Title
Demography of a California least tern colony including effects of the 1982-83 El Nino
Volume
94
Pages
976-983
Start Page Number
976
Final Page
983
Review

Datapoints

Displaying 1 - 7 of 7 datapoints.
Species: California Least Tern (Sterna antillarum ssp. browni)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range California Counties Type
Fledging or Weaning Rate average number of fledglings produced per pair, over 13 years 35-165 pairs/year fledglings/pair Fledgling Venice (beach) 0.4-1.7 Los Angeles Exposure Factor Datasets
Fledging or Weaning Rate average number of fledglings produced per pair, over 13 years 775-1,264 pairs/year fledglings/pair Fledgling statewide 0.45-0.94 Exposure Factor Datasets
Age at Sexual Maturity earliest age at which adults were known to breed for the first time 2 186 birds yr Adult Venice (beach) Los Angeles Exposure Factor Datasets
Longevity age of oldest banded breeding birds 13 40-105 birds/year yr Adult Venice (beach) Los Angeles Exposure Factor Datasets
Survival/ Mortality overall survival rate for adults that have returned to breed once 0.88 82-165 breeding pairs/year Adult Venice (beach) Los Angeles Exposure Factor Datasets
Survival/ Mortality rate at which chicks survived to breed at least once 0.16 84-285 chicks/year Chick Venice (beach) Los Angeles Exposure Factor Datasets
Longevity expected number of breeding years per adult bird 9.63 372 birds yr Adult Venice (beach) Los Angeles Exposure Factor Datasets

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