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Thursday, August 12, 1999 MidlineTransect (boat remains as close to middle of river as possible). Environmental measurements were taken in 10 minute intravals on the return downriver trip in addition to dolphin sightings. Location: Samiria River above Ranger Station # 2 Moving upriver for approximately 30 minutes and then downriver for approximately 35 minutes. Environmental measurements taken while traveling downriver only. Weather Conditions: B = boto dolphins, T = tucuxi dolphins, U = unidentified Total number of botos upriver = 8 All measurements are in metric. |
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Celsius |
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(meters) |
Water Depth (meters) |
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11:13 |
s0450w7421 |
b-2 |
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11:17 |
s0463w7431 |
b-3 |
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11:24 |
s0465w7421 |
t-3 |
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11:26 |
s0453w7421 |
b-1 |
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11:28 |
s0536w7421 |
t-2 |
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11:31 |
s0463w7421 |
t-5 |
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11:40 |
s0452w7422 |
b-2 |
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11:51 |
s0451w7423 |
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7 |
27.2 |
27.2 |
0.45 |
4.8 |
138 |
begin downriver, no dolphins |
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12:05 |
s0452w3422 |
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6.5 |
27.2 |
27.2 |
0.40 |
6.5 |
129 |
no dolphins |
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12:12 |
s0452w7422 |
t-6 |
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12:16 |
s0453w7422 |
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7 |
27.2 |
27.2 |
0.47 |
5.1 |
125 |
no dolphins, rain stopped |
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12:23 |
s0454w7422 |
t-5 |
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12:24 |
s0454w7422 |
b-1 |
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12:26 |
s0454w7421 |
b-2 |
7 |
27.1 |
27.1 |
0.45 |
6.3 |
133 |
no dolphins, large fish present |
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12:37 |
s0463w7421 |
b-1 |
6.5 |
27.2 |
27.1 |
0.45 |
6.5 |
140 |
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12:38 |
s0453w7421 |
t-2 |
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12:40 |
s0453w7421 |
b-2 |
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12:41 |
s0453w7421 |
b-2, t-1 |
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12:42 |
s0453w7421 |
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7 |
27.0 |
27.0 |
0.48 |
8.3 |
145 |
last stop |
