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A Population Assessment of Lake Sturgeon in the Namakan River ...

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Girth (mm)<br />

800<br />

750<br />

700<br />

650<br />

600<br />

550<br />

500<br />

450<br />

400<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

Upper Quartile<br />

Mean<br />

Lower Quartile<br />

n = 370<br />

127 152 178 203 228 254 305 356<br />

Mesh Size (mm)<br />

Figure 2: Girth <strong>of</strong> lake sturgeon (<strong>in</strong>clud<strong>in</strong>g mean, quartiles and range) by mesh size<br />

<strong>of</strong> capture <strong>in</strong> <strong>Namakan</strong> <strong>River</strong>, 2006-08.<br />

TLEN (mm)<br />

1800<br />

1700<br />

1600<br />

1500<br />

1400<br />

1300<br />

1200<br />

1100<br />

1000<br />

900<br />

800<br />

700<br />

600<br />

500<br />

Upper Quartile<br />

Mean<br />

Lower Quartile<br />

n = 407<br />

127 152 178 203 228 254 305 356<br />

Mesh Size (mm)<br />

Figure 3: Total length <strong>of</strong> lake sturgeon (<strong>in</strong>clud<strong>in</strong>g mean, quartiles and range) by<br />

mesh size <strong>of</strong> capture <strong>in</strong> <strong>Namakan</strong> <strong>River</strong>, 2006-08.<br />

18

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