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Long-Term Ecosystem Response to the Exxon Valdez Oil Spill
- C. Peterson, S. Rice, D. Irons
- Environmental ScienceScience
- 19 December 2003
The ecosystem response to the 1989 spill of oil from the Exxon Valdez into Prince William Sound, Alaska, shows that current practices for assessing ecological risks of oil in the oceans and, by…
Prevalence of Influenza A viruses in wild migratory birds in Alaska: Patterns of variation in detection at a crossroads of intercontinental flyways
To investigate the possibility of migratory birds as a means of H5N1 dispersal into North America, birds sampled in Alaska between May 2006 and March 2007 were monitored for the virus in a surveillance program based on the risk that wild birds may carry the virus from Asia.
Survival costs of chick rearing in black‐legged kittiwakes
The findings suggest that mass loss in kittiwakes during chick rearing may not be adaptive, and it is suggested that shifting the experimental protocol of cost of reproduction studies from brood enlargements to brood reductions will provide more accurate quantifications of naturally occurring costs.
FORAGING AREA FIDELITY OF INDIVIDUAL SEABIRDS IN RELATION TO TIDAL CYCLES AND FLOCK FEEDING
- D. Irons
- Environmental Science, Biology
- 1 March 1998
Foraging area fidelity indicates that kittiwakes learn and remember when and where to forage an area, and the role of tidal cycles in foraging behavior is investigated.
ADULT PREY CHOICE AFFECTS CHICK GROWTH AND REPRODUCTIVE SUCCESS IN PIGEON GUILLEMOTS
- G. Golet, Kathy J. Kuletz, D. Roby, D. Irons
- Environmental Science, Biology
- 2000
It is concluded that Pigeon Guillemots benefit by specializing when selecting prey for their chicks, and that high-lipid schooling fishes enhance chick growth and reproductive success.
Long-term direct and indirect effects of the 'Exxon Valdez' oil spill on pigeon guillemots in Prince William Sound, Alaska
It is found that the recovery of a top-level generalist predator may be constrained by both direct effects (continued exposure to residual oil) and indirect effects (reduced availability of a key prey species) following a large-scale perturbation.
NINE YEARS AFTER THE EXXON VALDEZ OIL SPILL: EFFECTS ON MARINE BIRD POPULATIONS IN PRINCE WILLIAM SOUND, ALASKA
- D. Irons, S. Kendall, W. Erickson, L. McDonald, B. Lance
- Environmental Science
- 1 November 2000
Several marine bird species were negatively affected at the population level and have not recovered to pre-spill levels nine years after the oil spill, and the reason for lack of recovery may be related to persistent oil remaining in the environment and reduced forage fish abundance.
Fluctuations in circumpolar seabird populations linked to climate oscillations
- D. Irons, T. Anker‐Nilssen, K. Wohl
- Environmental Science
- 1 July 2008
We found that synchronous fluctuations of two congeneric seabird species across the entire Arctic and sub‐Arctic regions were associated with changes in sea surface temperatures (SST) that were…
Determinants of reproductive costs in the long-lived Black-legged Kittiwake: A multiyear experiment
- G. Golet, J. Schmutz, D. Irons, J. Estes
- Environmental Science
- 1 February 2004
The findings indicate that models of adult survival must consider not only an organism's reproductive state, but also the factors that lead to that state, when attempting to identify factors that influence how long-lived species balance the costs and benefits of reproduction.
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