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Our new Biological Assessment is out - Klamath Basin Crisis

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<strong>Klamath</strong> Project Operations <strong>Biological</strong> <strong>Assessment</strong><br />

Endangered Suckers: Sucker Description, Life H<strong>is</strong>tory, Habitat, D<strong>is</strong>tribution, and<br />

Abundance<br />

Figure 2-6. Size d<strong>is</strong>tribution compar<strong>is</strong>on of shortnose suckers collected in the Sprague<br />

and Williamson rivers between 1984 and 2006. Lower and upper boundaries of a box<br />

correspond to the 25th and 75th percentile of the size d<strong>is</strong>tribution. The horizontal line<br />

dividing a box corresponds to the median size, the lower and upper wh<strong>is</strong>kers represent<br />

the 10th and 90th percentiles, and the diamonds show the 5th and 95th percentiles..<br />

600<br />

575<br />

Female<br />

550<br />

525<br />

500<br />

Fork Length<br />

550<br />

525<br />

500<br />

475<br />

1984<br />

1985<br />

1986<br />

1987<br />

1988<br />

1989<br />

1990<br />

1991<br />

1992<br />

1993<br />

1994<br />

1995<br />

1996<br />

1997<br />

1998<br />

1999<br />

2000<br />

2001<br />

2002<br />

2003<br />

2004<br />

2005<br />

2006<br />

475<br />

450<br />

425<br />

400<br />

375<br />

350<br />

325<br />

300<br />

Male<br />

Fork Length<br />

450<br />

425<br />

400<br />

375<br />

350<br />

325<br />

300<br />

275<br />

Source: Figure <strong>is</strong> reproduced with perm<strong>is</strong>sion from page 13 of Janney and Shively 2007<br />

50

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