Tuesday, August 5, 1999

Zig Zag Transect

Location: Tipishca del Samiria Lake

Platform: Deck of the Delfin

Position Start:S0440W7419

Position End:S0439W7422

Observer Positions: Data represents left side of the boat.

Moving upriver

Weather Conditions:

  • Start: sunny 
  • Finish: sunny

Water Level: Low (water is 3 meters higher than week of August 9 on average.)

Start time: 9:11

Finish time: 1:09 

B = boto dolphins, T = tucuxi dolphins, U = unidentified
Total number of botos = 47
Total number of tucuxi = 11
Total number of unidentified = 5
Total number of dolphins =63

See Data Table Below

 

 

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Position (longitude, latitude)
Species
Number
Comments
Boat Speed (miles per hour)
Wind Speed (miles per hour)

s0440w7419

b

1

 

5.5

7

s0440w7419

b

2

 

6.3

6

s0440w7419

b

3

 

5

6

s0440w7420

u

1

 

5.5

6.5

s0441w7420

b

2

 

5.5

6

s0441w7420

b

1

 

5.5

6.5

s0441w7420

b

2

 

4.8

8

s0441w7420

u

2

 

6

7

s0441w7420

b

2

 

5.4

6

s0441w7420

t

3

 

4.8

7

s0441w7420

b

3

 

5

5

s0441w7420

u

1

 

5.2

7.5

s0441w7420

t

3

 

3.8

6.5

s0442w7421

b

2

 

4.5

6

s0442w7421

u

1

 

4.4

5

s0442w7421

b

2

 

5

4.5

s0442w7422

b

3

 

3.5

5

s0442w7422

b

2

 

4.2

6

s0442w7422

b

2

 

5.5

4

s0442w7422

b

2

 

4.2

3.5

s0442w7422

b

4

 

3.8

2

s0440w7423

t

2

 

4.2

4.5

s0442w7423

t

1

 

4.1

4

s0442w7423

b

1

 

4.1

5.5

s0441w7424

b

1

 

3.8

4

s0441w7424

b

3

 

4.5

2.5

s0441w7424

b

1

 

4

5

s0440w7425

b

2

 

5

3

s0439w7425

b

5

 

5.3

2

s0439w7424

t

2

 

3.6

2

s0440w7423

b

1

 

4.4

5