IOffshoreSummer-Fall Pacific 2005.Hig.hlights JustAnother in Year PETERPYLE ß INSTITUTEFOR BIRD POPULATIONS ß RO. BOX 1346 ß POINTREYES STATION, CALIFORNIA 94956 ß (EMAIL:
[email protected]) IncreasingOur Knowledge ofOcean wasthat seabird productivity had been average morea questionof badtiming than of whole- Events,One Year at a Time towell above average in theperiod 1999-2004. sale disaster. By earlyfall, the wordhad spread:2005 was For a burgeonedpopulation of younger Seabirdpopulation sizes and productivity an unusualyear for seab•rdsoff the Pacific coast seabirds,this was a firstreal test of theirforag- provideexcellent barometers of the stateof of NorthAmerica. But was it that unusual? ing abilities,and it is neithersurprising nor ourmarine ecosystems, helping us keep a fin- Manyyears ago, David Ainley concluded that unhealthy(at thepopulation level) that a die- geron negativeanthropogenic effects such as therewas no suchthing as a "normal"year in off shouldhave ensued. Furthermore, offshore climatechange, oil contamination,and over- the California Current, and it would fishing.But we mustbe patientto follow that theremay not be "un- ß '=•,--L• CSCAPE2005 understandsuch large-scale process- usual"years either. Rather, seabird es. For these reasons,the National dynamicsin the PacificOcean are • "•C'13 r/•ie Co3sr NMS Oceanicand Atmospheric Adminis- Washin,on bestexplained interms of overlap- tration(NOAA) is increasingsup- pingclimatological and oceaniccy- Le• d•es portfor a widevariety of long-term cles,which influencecomplex ma-