7 a.m. departure
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Leaving Long Beach Harbor
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Our class was joined by Dr. Jayson Smith and some of his grad and undergrad students
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Jim M. is Vessel Support Technician on R/V Seawatch
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Rock dredge at 33° 40.457' N 118° 14.392 W, 13 fms (24 m)
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Lovenia cordiformis
(Pacific heart urchin)
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Henricia is a species-rich genus, the subject of an ongoing taxonomic study by Prof. Eernisse and Dr. Megumi Strathmann, Friday Harbor Labs, Univ. of Washington.
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Henricia sp. (Spinulosida): Members of this genus often feed on sponges and have large, yolky free-spawned or brooded embryos.
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Dendrochiton thamnoporus; other chitons observed: Dendrochiton gothicus, Lepidozona scrobiculata, and Leptochiton sp.
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cf_Ophiothrix spiculata
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Sand stars, white urchins, bat star, etc.
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Clockwise from top: Possibly ridgeback rock shrimp (Sicyonia ingentis) (see here); Glycera, unidentified polychaete; white urchin (Lytechinus pictus)
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Small Crossata ventricosa (formerly Bursa californica)
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C. ventricosa with embryos
(see 1 - 2 - 3)
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C. ventricosa broods its embryos, usually in a clam shell; G. E. MacGinitie (1938; Am. Midl. Nat. 19:207-219) estimated there were 822,000 embryos in an average brood.
See here.
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Crossata ventricosa
(formerly, Bursa californica or 'California' frogsnail)
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Bio 317 alum, Matt
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Bird Rock
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Arriving at Wrigley, Big Fisherman's Cove, Santa Catalina Island
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Trevor is ready to greet us
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Sea Watch captain, Dennis
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Nature Conservency divers have been monitoring the subtidal environment at Wrigley for over a decade
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Roche 454 at Wrigley!
(see here or here)
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John Heidelberg discusses his lab's ecological research utilizing microbial metagenomics
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John Heidelberg and 454
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USC Profs. John and Karla Heidelberg
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A 1.6 million well plate
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Karla Heidelberg is studying the ecology of eukaryotic organisms in the oligotrophic surface plankton off Catalina, also utilizing metagenomics
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The dock at USC's Wrigley Marine Institute
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The Heidelbergs are the only full-time faculty in residence at Wrigley
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Everyone (!) went snorkeling; Highlights: kelp forests, tons of fishes up close, big leopard sharks, Linckia columbiae, warty sea cucumbers, spiny lobsters, and so much more...
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Leaving Wrigley, Big Fisherman's Cove
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Bird Rock
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Sean collecting water for his algal preference experiments
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Bio 317 alum, Matt
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Highlights of our cruise back: a mola up close, dozens of common dolphins in our wake, calm seas, and sunshine (and some caught up on sleep)
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Steel Pulse coming to Long Beach in June!
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Seeking tacos
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Long Beach was crazy
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Under Construction!