Biodredge

Station: Biodredge / San Pedro Shelf (Rock Pile)
Date: 12/02/17, 9:36 am
Conditions: 67°F, sunny

Start: 33° 40' 21" N, 118° 13' 32" W
End:   33° 40' 31" N, 118° 13' 19" W
 

Flora & Fauna:
Common Name Scientific Name Total Captured Method
of Take
Disposition
Kelp - Turkish Towel Chondracanthus exasperatus 10 biodredge released
Sea Star - Long Armed Brittle Star unknown 5 biodredge released
Urchin - white unknown 5 biodredge released
Sand dollar Dendraster excentricus 4 biodredge released
Kelp - Sea Palm unknown 3 biodredge released
Urchin - heart unknown 2 biodredge released
Stalked Tunicate Boltenia ovifera 2 biodredge released
Sea Star - Bat Star Asterina miniata 1 biodredge released
Kelp - Sea Grapes Chrysymenia pseudodichotoma 1 biodredge released
crabs - decorator unknown 1 biodredge released
Chiton unknown 1 biodredge released

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.