Friday, November 24, 2000

MidlineTransect (boat remains as close to middle of river as possible)

Location: Marañón River
Platform: Deck of the Mirón Lento
Position Start: s04°31'877 w074°11'495
Position End: s04°35'447 w073°51'156
Observer Positions: Data represents left side of the boat.
Moving downriver
Weather Conditions: Sunny, wind speed 9.5miles per hour, boat speed 10.8 miles per hour
Water Level: Low 
Start time: 2:30 pm
Finish time: 5:30 pm

B = boto dolphins, T = tucuxi dolphins, U = unidentified

Total number of botos = 3
Total number of tucuxi =7
Total number of unidentified = 0
Total number of dolphins = 10


1=<100m, 2=100-200m, 3=>200m from shore

Time Position Species and Number Distance from Shore Comments
3:03 s04°29'104 w074°07'855 T 1 1  
3:07 s04°29'329 w074°07'284 B 1 1  
3:09 s04°29'440 w074°07'140 B 1 1  
3:25 s04°31'100 w074°05'287 T 4 3 1 baby
3:48 s04°28'984 w074°03'013 B 1 1  
3:55 s04°29'248 w074°02'028 T 2 2 1 baby

 

 

 

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