Effects of the 1982-83 El Niño – Southern Oscillation on Pacific Ocean bird populations

David G. Ainley; H.R. Carter; Daniel W. Anderson; Kenneth T. Briggs; Malcom C. Coulter; F. Cruz; J.B. Cruz; C.A. Valle; S.I. Fefer; Scott A. Hatch; Elizabeth Anne Schreiber; Ralph W. Schreiber; N.G. Smith

Effects of the 1982-83 El Niño – Southern Oscillation on Pacific Ocean bird populations

By: David G. Ainley, H.R. Carter, Daniel W. Anderson, Kenneth T. Briggs, Malcom C. Coulter, F. Cruz, J.B. Cruz, C.A. Valle, S.I. Fefer, Scott A. Hatch, Elizabeth Anne Schreiber, Ralph W. Schreiber, and N.G. Smith

Edited by: Henri Ouellet

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Abstract

Seabird reproductive success, population size, and movements in the Pacific region responded dramatically to the 1982-83 El Niño – Southern Oscillation (ENSO). At sites within the North and South Pacific Gyres, the onset of seabird responses tracked oceanographic changes related to ENSO; to the north of the gyres, responses were delayed 1 yr. Reproductive failures and high adult mortality were detected at all sites investigated. Post-ENSO, the return to “normal” nesting patterns depended on species and locality. The 1982-83 ENSO revealed a dimension to the variability in seabird reproductive biology only now appreciated by ornithologists.

Suggested Citation

Ainley, D.G., Carter, H., Anderson, D.W., Briggs, K.T., Coulter, M.C., Cruz, F., Cruz, J., Valle, C., Fefer, S., Hatch, S.A., Schreiber, E.A., Schreiber, R.W., Smith, N., 1988, Effects of the 1982-83 El Niño – Southern Oscillation on Pacific Ocean bird populations, in Acta XIX congressus internationalis ornithologici, Volume II, v. 19, Ottawa, ON, June 22-29, 1986, p. 1747-1758.

Additional publication details
Publication type	Conference Paper
Publication Subtype	Conference Paper
Title	Effects of the 1982-83 El Niño – Southern Oscillation on Pacific Ocean bird populations
ISBN	0-7766-0240-3
Volume	19
Year Published	1988
Language	English
Publisher	University of Ottawa Press
Publisher location	Ottawa, ON
Contributing office(s)	Alaska Science Center
Description	12 p.
Larger Work Type	Book
Larger Work Subtype	Conference publication
Larger Work Title	Acta XIX congressus internationalis ornithologici, Volume II
First page	1747
Last page	1758
Conference Title	19th International Ornithological Conference
Conference Location	Ottawa, ON
Conference Date	June 22-29, 1986