Friday, November 17, 2000

Midline Transect

Location: Yanayaquillo
Platform: Mango
Position Start: s04°40'808 w074°25'347
Position End: s04°40'808 w074°25'347
Water Level: rising
Start time: 7:26 Finish time: 9:56

B = boto dolphins, T = tucuxi dolphins, U = unidentified
Total number of botos = 15
Total number of tucuxi = 2
Total number of unidentified = 0
Total number of dolphins =17

See Data Table Below
Temperature in Celcius, Clarity, Depth and Width in Meters

Time Position Species and Number pH Temp Surface Temp Depth Clarity Water Depth River Width Comments
7:26 s04°40'808 w074°25'347 10B 2T             by mouth, one baby B
7:47 s04°40'685 w074°26'442 2B             mouth of tributary
8:00 s04°41'025 w074°26'548               stop propellor to check, boto appeared one minute later
8:04 s04°41'025 w074°26'548 1 B             resume
8:33 s04°41'565 w074°26'687 0 7 26.7 27.8 0.8 1.2 10-12 turn around due to down tree
8:48 s04°41'447 w074°26'733 0 7 27.2 27.8 0.43 1.5 15  
8:55 s04°41'304 w074°26'649 0 6.5 27.8 27.9 0.45 4.1 15  
9:02

s04°41'257 w074°26'499

0 7 27.2 27.9 0.47 3.7 15-20  
9:10 s04°41'067 w074°26'551 0 7 27.0 28.0 0.44 3.9 12  
9:20 s04°40'882 w074°26'510 0 7 27.1 28.0 0.42 4.0 20 fish dying around boat
9:32 s04°40'882 w074°26'510 0 7 27.1 28.0 0.49 5.7 18  
9:37 s04°40'710 w074°26'250 2 B         6.0 25 in tributarity
9:41 s04°40'701 w074°26'094 0 7 27.2 27.9 0.5 6.2 23  
9:47 s04°40'706 w074°25'889 2 B   26.2 27.9 0.5 6.1 18 same dolphins as the beginning
9:56 s04°40'804 w074°25'362 10B   26.9 28 .47 5.8 25 same dolphins as the beginning

 

 

 

home | map of peru | site map contact us | glossary