Tuesday, November 14, 2000

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

Location: Marañón River
Platform: Deck of the Mirón Lento
Position Start: s04°38'444 w073°46'310
Position End: s04°31'082 w074°05'975
Observer Positions: Data represents left side of the boat
Moving upriver
Weather Conditions:
  • Start: Sunny, wind speed 5.5 miles per hour, boat speed 5.0 miles per hour
  • Finish: Sunny, wind speed 9 miles per hour, boat speed 4.4 miles per hour
Water Level: Low 
Start time: 10:15 am,
Finish time: 4:08 pm (Lunch 12:57-2:36)

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

Total number of botos = 1
Total number of tucuxi =13
Total number of unidentified = 0
Total number of dolphins = 14


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

Time Position Species and Number Distance from Shore Comments
11:22

s04°36'101 w073°50'491

1 T 2 rough water
11:32 s04°35'530 w073°51'183 1 T 3  
11:37 s04°35'475 w073°51'575 1 T 3  
12:57 s04°31'120 w073°54'709     lunch break
2:36 s04°30'318 w074°00'684     resume
2:38 s04°30'232 w074°00'822 6 T 2 one very small
3:03 s04°29'408 w074°02'714 1 T 2  
3:26 s04°30'228 w074°04'037 1 T 1B 1  
3:42 s04°31'214 w074°04'450 2 T 2  

 

 

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