Estimating forage fish distribution and abundance using aerial surveys in Prince William Sound, Alaska: 1995 - 1999

Brenda Norcross, Gary Borstad, Evelyn Brown & Stephanie Moreland
[Missing plankton, jellyfish, seine, trawl, bird and CTD data sets from this study] Sound Ecosystem Assessment (SEA) aerial surveys, 1995 - 1997: We show that aerial visual surveys are a cost-effective method to assess distribution and abundance of forage fish and seabirds and produce repeatable results with an acceptable level of error. We fulfilled our main objectives concerning forage fish assessment: 1) develop an appropriate survey design incorporating detection error, surveyor bias, and survey constraints,...
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41 downloads reported since publication in 2013.

These counts follow the COUNTER Code of Practice, meaning that Internet robots and repeats within a certain time frame are excluded.
What does this mean?