Brad J. Gemmell

Affiliation:

University of South Florida (USF)

Address:

Department of Integrative Biology
4202 E. Fowler Ave
Tampa, FL
USA 33620

ORCiD:

0000-0001-9031-6591

Activities reported for Brad J. Gemmell:

Program coordination

None

Project coordination

Dynamic sinking behavior in diatoms: New insights from individual-based high resolution video observations (Diatom Dynamic Sinking)	Co-Principal Investigator
Collaborative Research: Quantifying the trophic roles of epipelagic ctenophores (Ocean Ctenos)	Principal Investigator
NSFGEO-NERC: Collaborative Research: Novel imaging, physiology and numerical approaches for understanding biologically mediated, unsteady sinking in marine diatoms (Unsteady diatom sinking)	Lead Principal Investigator

Deployment coordination

None

Datasets

Project: Collaborative Research: Quantifying the trophic roles of epipelagic ctenophores

Dataset	Version Date	Current State
Quantified Ocyropsis spp. gut content observations from the Gulf Stream during June 2021 (Ocean Ctenos project) Co-Principal Investigator	2024-01-26	Final no updates expected
Observed digestion times of Ocyropsis spp. collected from the Gulf Stream during June 2021 (Ocean Ctenos project) Co-Principal Investigator	2024-01-26	Preliminary and in progress
Lobate ctenophore in situ swimming velocities and morphometrics sampled off of Woods Hole, Massachusetts and the Kona coast of Hawaii, USA from 2019 to 2022 Principal Investigator	2023-05-18	Final no updates expected
Pleurobrachia bachei morphology and swimming parameters from samples collected at the Oregon Institute of Marine Biology, Coos Bay, Charleston, OR, in July 2018 Principal Investigator	2023-04-28	Final no updates expected

Project: Collaborative Research: Comparative feeding by gelatinous grazers on microbial prey

Dataset	Version Date	Current State
Tail wave amplitude from 5 high-speed video frames at 3 temperatures from Oikopleura dioica particle tracking experiments conducted in December 2015 Principal Investigator	2023-06-22	Final no updates expected
Inlet particle speeds from 5 high-speed video frames at 3 temperature treatments from Oikopleura dioica particle tracking experiments conducted in December 2015 Principal Investigator	2023-06-15	Final no updates expected
Filter area measurements from Oikopleura dioica tail beat kinematics and particle tracking experiments conducted in December 2015 Principal Investigator	2023-06-15	Final no updates expected
Tail beat frequency in the appendicularian Oikopleura dioica during particle tracking experiments comprised of three temperature treatments conducted in December 2015 Principal Investigator	2023-06-15	Final no updates expected

Project: Dynamic sinking behavior in diatoms: New insights from individual-based high resolution video observations

Dataset	Version Date	Current State
Coscinodiscus sinking behavior under various light and nutrient conditions from April 2019 Principal Investigator	2019-08-13	Final no updates expected
Videos of coscinodiscus sinking behavior in light and dark conditions from experiments in June 2017 Principal Investigator	2018-10-26	Final no updates expected

Project: Linking Propulsive Morphology, Swimming Behavior and Sensory Perception by Marine Planktonic Protists to their Trophic Roles within Marine Food Webs

Dataset	Version Date	Current State
Ciliate escape response micro-PIV data collected from the North Atlantic and Gulf of Mexico from 2011-2014 (Protist Behavior and Imposed Flow project) Contact	2016-01-25	Final no updates expected
Ciliate escape response micro-PIV videos collected in the North Atlantic and Gulf of Mexico from 2011-2014 (Protist Behavior and Imposed Flow project) Contact	2016-01-25	Final no updates expected
Particle image velocimetry data of swimming in two species of tailed ciliates collected from the North Atlantic and Gulf of Mexico from 2011-2014 (Protist Behavior and Imposed Flow project) Contact	2016-01-22	Final no updates expected
Copepod swimming particle image velocimetry raw videos collected from the North Atlantic and Gulf of Mexico from 2011-2014 (Protist Behavior and Imposed Flow project) Contact	2016-01-25	Final no updates expected

Status message

Database

Contribute Data

Brad J. Gemmell

Activities reported for Brad J. Gemmell: