Biodredge

Station: Biodredge / San Pedro Shelf (Rock Pile)
Date: 12/02/17, 9:27 am
Conditions: 67°F, sunny, winds N 2mph
Start: 33° 40' 18'' N, 118° 14' 58'' W
End:   33° 40' 25'' N 118° 14' 24'' W

We use a method called "Otter Trawling" or Midwater Trawling to collect pelagic = swimming) organisms. "Otter" refers to the rectangular boards on the net. Hydrodynamic forces act on the boards, keeping them apart and the net open.

All organisms were returned to the ocean.