TABLE 1.
V. vulnificus counts in oysters and environmental conditions of harvest waters by location and period
| Location and perioda | No. of samples |
V. vulnificus counts (MPN/g)
|
Water temp (°C)
|
Water salinity (ppt)
|
|||
|---|---|---|---|---|---|---|---|
| Range | Log mean (SD)b | Range | Mean (SD) | Range | Mean (SD) | ||
| Alabama | |||||||
| Cold | 8 | <0.3–0.9 | −0.52 (0.29) | 12.6–16.6 | 14.7 (1.9) | 5–18 | 11.5 (6.5) |
| Transitional | 28 | <0.3–43,000 | 1.99 (1.26) | 14.6–23.8 | 20.5 (3.0) | 4–21 | 13.5 (4.8) |
| Warm | 68 | 21–43,000 | 3.26 (0.62) | 22.7–32.4 | 28.0 (2.3) | 5–28 | 17.1 (5.6) |
| All | 104 | <0.3–43,000 | 2.62 (1.36) | 12.6–32.4 | 25.0 (5.1) | 4–28 | 15.7 (5.7) |
| Florida | |||||||
| Cold | 8 | <0.3–2.3 | −0.40 (0.45) | 11.7–17.3 | 14.7 (2.8) | 11.9–26.8 | 19.1 (6.6) |
| Transitional | 26 | <0.3–9,300 | 1.72 (1.18) | 13.4–23.8 | 19.9 (3.2) | 7.5–30.8 | 22.7 (7.0) |
| Warm | 60 | 7.2–9,300 | 3.03 (0.67) | 21.8–32.0 | 27.5 (2.4) | 7.6–30.9 | 19.7 (6.8) |
| All | 94 | <0.3–9,300 | 2.37 (1.33) | 11.7–32.0 | 24.2 (5.2) | 7.5–30.9 | 20.5 (6.8) |
| Louisiana | |||||||
| Cold | 8 | <0.3–9.3 | 0.08 (0.52) | 10.8–16.8 | 13.9 (3.1) | 7.2–15.4 | 11.5 (3.5) |
| Transitional | 24 | 9.3–4,300 | 2.34 (0.80) | 12.7–23.5 | 19.4 (3.9) | 8.5–17.4 | 12.6 (3.0) |
| Warm | 68 | 120–15,000 | 3.38 (0.43) | 19.8–32.4 | 27.9 (2.6) | 5.7–21.6 | 13.0 (3.6) |
| All | 100 | <0.3–15,000 | 2.86 (1.08) | 10.8–32.4 | 24.8 (5.6) | 5.7–21.6 | 12.8 (3.4) |
| All Gulf Sites | |||||||
| Cold | 24 | <0.3–9.3 | −0.30 (0.52) | 10.8–17.3 | 14.4 (2.4) | 5–26.8 | 14.0 (6.3) |
| Transitional | 78 | <0.3–11,000 | 2.00 (1.12) | 12.7–23.8 | 19.9 (3.3) | 4–30.8 | 16.3 (6.9) |
| Warm | 196 | 7.2–43,000 | 3.20 (0.59) | 19.8–32.4 | 27.8 (2.4) | 5–30.9 | 16.5 (6.1) |
| All | 298 | <0.3–43,000 | 2.62 (1.27) | 10.8–32.4 | 24.7 (5.2) | 4–30.9 | 16.3 (6.3) |
| North Carolina | |||||||
| Cold | 30 | <3–15 | 0.38 (0.33) | 6.7–21.7 | 16.1 (4.3) | 6–34 | 24.0 (7.8) |
| Warm | 48 | <3–9,300 | 1.04 (0.89) | 21.7–35.6 | 28.1 (4.0) | 13–37 | 27.9 (7.0) |
| All | 78 | <3–9,300 | 0.77 (0.79) | 6.7–35.6 | 23.3 (7.2) | 6–37 | 26.4 (7.6) |
| South Carolina | |||||||
| Cold | 30 | <3–23 | 0.23 (0.24) | 9.0–23.3 | 17.8 (4.5) | 5–35 | 29.4 (7.2) |
| Warm | 46 | <3–3.6 | 0.19 (0.08) | 21.0–32.0 | 27.2 (3.1) | 30–37 | 33.9 (2.1) |
| All | 76 | <3–23 | 0.22 (0.17) | 9.0–32.0 | 23.3 (5.9) | 5–37 | 32.1 (5.3) |
a
Gulf Coast states: cold period, January through 15 March; transitional period, 16 through 31 March, April, November, and December; warm period (May through October). Atlantic Coast states: cold period, October through April; warm period, May through September.
b
SD, standard deviation of the distribution of the data, not the standard error of the mean.