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.