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WADFW PSAMP W1997
Contact: Kraege, Don

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Availability: Creative Commons License This dataset is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

Description
Data of aerial surveys of marine birds conducted annually since 1992 during both summer and winter. more

Aerial surveys of marine birds have been conducted annually since 1992 by the Puget Sound Ambient Monitoring Program (PSAMP) staff during both a summer (July) and a winter (December to early February) survey window, sampling some part of every portion of the marine shoreline of the inner marine waters of Washington state by two strata: nearshore (<20 meters in depth) and offshore (>20 meters in depth). The nearshore strata were sampled in two fashions:
    1) In nearshore habitat that was relatively narrow, the plane flew parallel to the shoreline, generally 100 meters from the high tide line, and 2) In nearshore habitat with broad extensive shallow areas such as river estuaries, the plane flew in an S-pattern to sample a larger proportion of the habitat available in that locality. The offshore strata were sampled in a crisscross pattern that zigzagged back and forth across depth contours, with an attempt made to cut across most all banks and similar major underwater bathymetric features. There was no attempt made to survey during the same tidal stage in these areas.
The survey always began in the southernmost study areas and proceeded to the northern portions; therefore, the same areas were usually sampled during the same time of month each year, give or take a week. The last two summer surveys (1997 and 1998) did not include the southern and central portions of Puget Sound, due to budget cuts. These areas were chosen to be continued on a less frequent basis because low and consistent numbers of birds were seen there during the July survey window in the previous five summer surveys. Purpose The purpose of this program is to monitor population trends of either summer or winter resident species rather than migrations around Puget Sound.

Scope
Themes:
Biology > Birds, Biology > Mammals
Keywords:
Marine, I, North Pacific, Aves, Mammalia

Geographical coverage
I, North Pacific [Marine Regions]

Temporal coverage
3 December 2001 - 18 January 2002

Taxonomic coverage
Aves [WoRMS]
Mammalia [WoRMS]

Contributors
Washington Department of Fish & Wildlife (WDFW), moredata owner

Related datasets
Published in:
OBIS-SEAMAP: Spatial Ecological Analysis of Megavertebrate Populations, more

URLs

Dataset information:

Dataset status: Completed
Data type: Data
Data origin: Research
Metadatarecord created: 2012-11-27
Information last updated: 2012-11-27
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