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.
| 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 |