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During the 2018 "Voyage to the White Shark Café" research cruise, ROV SuBastian performed science dives of exploration and observations. ROV SuBastian Dive Highlights Part 1 - Mid-Pacific Ocean - FK180420 - White Shark Café "The deep sea habitat is very different from what we terrestrial creatures are used to." Highlights from a ROV SuBastian dive, on … Continued
“This research cruise is actually a beginning in which we are going to go out, offer the opportunity for policy changes that protect a region that no one would think about needs protection for white sharks. Through new knowledge we can reduce ignorance and then translate that into into action.” Dr Block has been thinking … Continued
In all of the world’s oceans, billions of small animals commute between their daytime habitat – 200 to 1,000 meters deep- and their nighttime feeding grounds, just below the surface. These fishes, crustaceans, jellies, and squids – ranging from two to twenty centimeters in length – are collectively called “micronekton” for their small size (“micro”) … Continued
At various points in the café, the team has been doing net tows, gathering specimens to quantify small swimming animals – from 2-20cm long. “They have amazing adaptations to life in regions of the open ocean, and I’m going to walk you through some of my favorites!” Yesterday’s #WhiteSharkVoyage blog about the deep scattering layer … Continued
It is early in the morning and the day is barely starting for most of those on R/V Falkor – but not for Dr. Amanda Netburn or PhD. Candidate Elan Portner. Immune to the long hours behind them, the duo remains cheerful and lively as they sort the different samples they have collected through the night, including … Continued
The comparative aspect of the census techniques we are employing is an important aspect of this cruise. For example, we are running both eDNA and traditional net tows at the same location and each type of technique has biases. Published studies of eDNA in seawater indicate that it can last at the warmer surface waters … Continued
“When we get the tag back, it has second-by-second behavioral data and environmental data describing what the white sharks do.” As the #WhiteSharkVoyage recovers more pop-up satellite archival tags, researchers are able to piece together a better picture of how the sharks are behaving here. For example, the diving behavior of males and females are … Continued
José da Silva holds a first degree in “Physics/Applied Mathematics (Astronomy)” at the University of Porto (Portugal), an MSc degree in “Remote Sensing, Image Processing and Applications” at the University of Dundee (U.K.) and a PhD in Oceanography at the University of Southampton (U.K.). He worked as Postdoctoral Fellow at the National Oceanography Centre, Southampton … Continued
Wurl, O., Bird, K., Cunliffe, M., Landing, W., Miller, U., Mustaffa, N., Ribas-RIbas, M., Witte, C., and C. Zappa. (2018). Warming and inhibition of salinization at the ocean’s surface by cyanobacteria. Geophysical Research Letters, 45, doi: 10.1029/2018GL077946.
