Julian day of U.S. Exclusive Economic Zone departure by satellite tagged blue whales.

<p>Circles in the boxes are median values.</p

Blue whale 90% Home Range area (A) and 50% Core Area of Use (B).

<p>Kernel derived Home Ranges and Core Areas of Use were created from blue whale satellite tracks with > = 30 daily locations inside the U.S. Exclusive Economic Zone. Tags were deployed off California from 1998–2008. Data are presented by year on a log scale and the circles inside the boxes are median values.</p

Number of overlapping blue whale Core Areas of Use near commercial shipping lanes.

<p>The Core Areas of Use were created from blue whale satellite tracks with > = 30 daily locations inside the U.S. Exclusive Economic Zone. The regions shown are the Channel Islands (A) and the Gulf of the Farallones (B). Tags were deployed off California from 1998–2008. Hashed polygons represent the commercial shipping lanes transiting the area. Inset histograms show the overall number of blue whale locations recorded in the U.S. Exclusive Economic Zone (gray), and the number of locations recorded in the area shown (black).</p

Summary of satellite tagged blue whale tracks.

<p>Number of tracks with > = 30 locations in the U.S. Exclusive Economic Zone waters and the number of tracks that departed U.S. Exclusive Economic Zone waters listed by year. Deployment method and duration summary for all tags deployed is listed to the right.</p