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
 

Flora & Fauna:
Common Name Scientific Name Total Captured Method
of Take
Disposition
Kelp - Turkish Towel Chondracanthus exasperatus 10 biodredge released
coral - cup unknown 8 biodredge released
Hydroid Feathers unknown 5 biodredge released
Sand dollar Dendraster excentricus 4 biodredge released
Sea Star - Armored unknown 4 biodredge released
Urchin - white unknown 3 biodredge released
crabs - Rock unknown 2 biodredge released
Snails - Olive unknown 2 biodredge released
Snails - Wentaltraps unknown 2 biodredge released
Algae - Coraline Red Calliarthron cheilosporioides 1 biodredge released
crabs - hermit unknown 1 biodredge released
Kelp - Sea Grapes Chrysymenia pseudodichotoma 1 biodredge released
Sea Stars - brittle star unknown 1 biodredge released
Stalked Tunicate Boltenia ovifera 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.