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.