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Articles 1 - 30 of 122
Full-Text Articles in Marine Biology
Pygoscelis Penguins Prefer Different Oceanographic And Terrestrial Habitats During The Austral Summer, Katherine L. Gallagher, Rachel Herman, Katherine Walton, Michael S. Dinniman, Heather J. Lynch
Pygoscelis Penguins Prefer Different Oceanographic And Terrestrial Habitats During The Austral Summer, Katherine L. Gallagher, Rachel Herman, Katherine Walton, Michael S. Dinniman, Heather J. Lynch
OES Faculty Publications
Pygoscelis penguins interact with both terrestrial and marine environments, especially during the austral summer when they raise their chicks. Accessible ice-free ground spaces serve as locations for penguins to build colonies and successfully raise chicks while the surrounding marine environment serves as the foraging grounds for adult birds. Penguins must be able to navigate through the waters around their colonies to forage for Antarctic krill (Euphausia superba), their primary prey during the austral summer. Krill, whose distributions are driven partially by the surrounding physics and partially by their behaviors, must also be plentiful in the waters near the …
Baby's First Jets: A Kinematic And Hydrodynamic Analysis Of Turning In Cuttlefish Hatchlings, Alissa M. Ganley, Paul S. Krueger, Ian K. Bartol
Baby's First Jets: A Kinematic And Hydrodynamic Analysis Of Turning In Cuttlefish Hatchlings, Alissa M. Ganley, Paul S. Krueger, Ian K. Bartol
Biological Sciences Faculty Publications
Turning is an important aspect of life underwater, playing integral roles in predator avoidance, prey capture, and communication. While turning abilities have been explored in a diversity of adult nekton, little is currently known about turning in early ontogeny, especially for cephalopods. In this study, we investigated the turning abilities of hatchling common cuttlefish (Sepia officinalis, n = 49) and dwarf cuttlefish (Sepia bandensis, n = 30), using both kinematic and wake-based analyses. Using body tracking software and particle image velocimetry (PIV), we found that S. officinalis turned faster than S. bandensis, but both species …
The Influence Of Bottom Type And Water Column Stratification On Reef Fish Community Structure At Gray’S Reef National Marine Sanctuary, Bridget Campbell
The Influence Of Bottom Type And Water Column Stratification On Reef Fish Community Structure At Gray’S Reef National Marine Sanctuary, Bridget Campbell
Honors Theses
Understanding the physical and oceanographic differences across reef habitats can help researchers assess how those differences influence fish distribution and community structure, which leads to a better understanding of what a healthy reef system looks like. The traditional methods used to assess fish communities on temperate reefs are limited and often focus solely on either the reef structure or water column conditions alone. An assessment of both data sets yields a more complete understanding of the ecosystem as a whole. In this study, Gray’s Reef National Marine Sanctuary (GRNMS) was surveyed both inside and outside a Marine Protected Area (MPA) …
Environmental Forcing On Zooplankton Distribution In The Coastal Waters Of The Galápagos Islands: Spatial And Seasonal Patterns In The Copepod Community Structure, Diego F. Figueroa
Environmental Forcing On Zooplankton Distribution In The Coastal Waters Of The Galápagos Islands: Spatial And Seasonal Patterns In The Copepod Community Structure, Diego F. Figueroa
School of Earth, Environmental, & Marine Sciences Faculty Publications
The oceanographic setting of the Galápagos Archipelago results in a spatially diverse marine environment suitable for a variety of species with different climatic requirements. The goal of this study is to demonstrate that the community of zooplankton in the Galápagos is highly structured by regional differences in productivity patterns and advective sources. Results are mostly based on biodiversity patterns of the copepod community collected over the Galápagos shelf between 2004 and 2006. Two contrasting marine environments were observed: a nutrientrich upwelling system with a shallow mixed layer and a diatom-dominated phytoplankton community in the west, and a non-upwelling system with …
Nearshore Vertical Distribution Of Barnacle Cyprids: Temporal Patterns And Hydrographic Variability, Gabriela Yamhure
Nearshore Vertical Distribution Of Barnacle Cyprids: Temporal Patterns And Hydrographic Variability, Gabriela Yamhure
Theses
Most benthic organisms living in the intertidal zone have planktonic larvae that reside temporarily in the water column before settling in their adult habitats. Larvae aggregate in offshore larval pools, and transport horizontally and vertically in the water to remain in the nearshore and during their pelagic life. While some horizontal transport of larvae can be attributed to advection, behavioral responses, like vertical swimming and buoyancy control, allow larvae to position themselves at depths where flow direction can be exploited. Thus, knowledge on how vertical larval distribution relates to physical processes can be fundamental to better understand larval transport. These …
Broadband Sound Propagation In A Seagrass Meadow Throughout A Diurnal Cycle, Kevin M. Lee, Megan S. Ballard, Gabriel R. Venegas, Jason D. Sagers, Andrew R. Mcneese, Jay R. Johnson, Preston S. Wilson, Abdullah Rahman
Broadband Sound Propagation In A Seagrass Meadow Throughout A Diurnal Cycle, Kevin M. Lee, Megan S. Ballard, Gabriel R. Venegas, Jason D. Sagers, Andrew R. Mcneese, Jay R. Johnson, Preston S. Wilson, Abdullah Rahman
School of Earth, Environmental, & Marine Sciences Faculty Publications
Acoustic propagation measurements were conducted in a Thalassia testudinum meadow in the Lower Laguna Madre, a shallow bay on the Texas Gulf of Mexico coast. A piezoelectric source transmitted frequency-modulated chirps (0.1 to 100 kHz) over a 24-h period during which oceanographic probes measured environmental parameters including dissolved oxygen and solar irradiance. Compared to a nearby less vegetated area, the received level was lower by as much as 30 dB during the early morning hours. At the peak of photosynthesis-driven bubble production in the late afternoon, an additional decrease in level of 11 dB was observed.
Spatial Variability In Recruitment Of Chilipepper Rockfish (Sebastes Goodei) In The California Current System, Laura K. Solinger
Spatial Variability In Recruitment Of Chilipepper Rockfish (Sebastes Goodei) In The California Current System, Laura K. Solinger
Cal Poly Humboldt theses and projects
Properly describing variability in population dynamics (e.g., growth, fecundity, recruitment) is expected to improve management of important fisheries stocks (Maunder & Piner, 2014). As recruitment to most fish stocks is determined during early life history stages (Houde, 1997; Iles & Beverton, 2000), and early life history stages are influenced by oceanographic conditions (Bjorkstedt et al. 2002; Laidig, 2010), understanding how environmental stochasticity influences recruitment deviations has potential to improve estimates of stock productivity and how productivity might change over time to support more effective management. Chilipepper Rockfish (Sebastes goodei) are an important commercial species that is managed as …
Philippine Aquatic Food Production Afs 450, Michael Cerbo
Philippine Aquatic Food Production Afs 450, Michael Cerbo
Library Impact Statements
No abstract provided.
You, Me And Life In The Sea Ocg 106g, Joanna Burkhardt
You, Me And Life In The Sea Ocg 106g, Joanna Burkhardt
Library Impact Statements
No abstract provided.
Minor In Proficiency In Ocean Data Science (Pods), Joanna Burkhardt
Minor In Proficiency In Ocean Data Science (Pods), Joanna Burkhardt
Library Impact Statements
No abstract provided.
Oceanographic Data Integration Ii Ocg 351, Michael Cerbo
Oceanographic Data Integration Ii Ocg 351, Michael Cerbo
Library Impact Statements
No abstract provided.
Oceanographic Data In Rhode Island Waters Ocg 150, Joanna Burkhardt
Oceanographic Data In Rhode Island Waters Ocg 150, Joanna Burkhardt
Library Impact Statements
No abstract provided.
Dna Analysis Of Surfactant-Associated Bacteria In A Natural Sea Slick Observed By Terrasar-X And Radarsat-2 Over The Gulf Of Mexico, Kathryn Howe, Cayla Whitney Dean, John Alexander Kluge, Alexander Soloviev, Aurelien Tartar, Mahmood S. Shivji, Susanne Lehner, Hui Shen, William Perrie
Dna Analysis Of Surfactant-Associated Bacteria In A Natural Sea Slick Observed By Terrasar-X And Radarsat-2 Over The Gulf Of Mexico, Kathryn Howe, Cayla Whitney Dean, John Alexander Kluge, Alexander Soloviev, Aurelien Tartar, Mahmood S. Shivji, Susanne Lehner, Hui Shen, William Perrie
Marine & Environmental Sciences Faculty Articles
The damping of short gravity-capillary waves (Bragg waves) due to surfactant accumulation under low wind speed conditions results in the formation of natural sea slicks. These slicks are detectable visually and in synthetic aperture radar (SAR) imagery. Surfactants are produced by natural life processes of many organisms, such as bacteria, phytoplankton, seaweed, and zooplankton. By using DNA analysis, we are able to determine the relative abundance of surfactant-associated bacteria in the sea surface microlayer and the subsurface water column. A method to reduce contamination of samples during collection, storage, and analysis (Kurata et al., 2016; Hamilton et al., 2015) has …
Global Ocean Data Science Ocg 250, Joanna Burkhardt
Global Ocean Data Science Ocg 250, Joanna Burkhardt
Library Impact Statements
No abstract provided.
Contrasting Environmental Drivers Of Adult And Juvenile Growth In A Marine Fish: Implications For The Effects Of Climate Change, Joyce Jia Lin Ong, Adam Nicholas Rountrey, Jessica Jane Meeuwig, Stephen J. Newman, Jens Zinke, Mark Gregory Meekan
Contrasting Environmental Drivers Of Adult And Juvenile Growth In A Marine Fish: Implications For The Effects Of Climate Change, Joyce Jia Lin Ong, Adam Nicholas Rountrey, Jessica Jane Meeuwig, Stephen J. Newman, Jens Zinke, Mark Gregory Meekan
Fisheries Research Articles
Many marine fishes have life history strategies that involve ontogenetic changes in the use of coastal habitats. Such ontogenetic shifts may place these species at particular risk from climate change, because the successive environments they inhabit can differ in the type, frequency and severity of changes related to global warming. We used a dendrochronology approach to examine the physical and biological drivers of growth of adult and juvenile mangrove jack (Lutjanus argentimaculatus) from tropical north-western Australia. Juveniles of this species inhabit estuarine environments and adults reside on coastal reefs. The Niño-4 index, a measure of the status of …
Ocean Currents Generate Large Footprints In Marine Palaeoclimate Proxies, Erik Van Sebille, Paolo Scussolini, Jonathan V. Durgadoo, Frank J. C. Peeters, Arne Biastoch, Wilbert Weijer, Chris Turney, Claire B. Paris, Rainer Zahn
Ocean Currents Generate Large Footprints In Marine Palaeoclimate Proxies, Erik Van Sebille, Paolo Scussolini, Jonathan V. Durgadoo, Frank J. C. Peeters, Arne Biastoch, Wilbert Weijer, Chris Turney, Claire B. Paris, Rainer Zahn
C-IMAGE Publications
Fossils of marine microorganisms such as planktic foraminifera are among the cornerstones of palaeoclimatological studies. It is often assumed that the proxies derived from their shells represent ocean conditions above the location where they were deposited. Planktic foraminifera, however, are carried by ocean currents and, depending on the life traits of the species, potentially incorporate distant ocean conditions. Here we use high-resolution ocean models to assess the footprint of planktic foraminifera and validate our method with proxy analyses from two locations. Results show that foraminifera, and thus recorded palaeoclimatic conditions, may originate from areas up to several thousands of kilometres …
A Hydrographic Climatology Of The Gulf Of St. Lawrence, Alejandro Frank
A Hydrographic Climatology Of The Gulf Of St. Lawrence, Alejandro Frank
Theses and Dissertations
The Gulf of St. Lawrence (GSL) is characterized by a general circulation of an estuarine type, where fresher/lighter water flows seaward above saltier/heavier water flowing landward. In an estuarine regime, the inflowing deep layer water compensate for a loss of mass due to the surface layer outflow. A major element of the GSL estuarine circulation is the coastal buoyancy-driven current fed by the St. Lawrence River discharge. In addition, some surface water is advected into the GSL as a branch of the Labrador Current (LC). Recent climatological changes in the North Atlantic have increased the melting rate of the Greenland …
Fish Sound Production In The Presence Of Harmful Algal Blooms In The Eastern Gulf Of Mexico, Carrie C. Wall, Chad Lembke, Chuanmin Hu, David A. Mann
Fish Sound Production In The Presence Of Harmful Algal Blooms In The Eastern Gulf Of Mexico, Carrie C. Wall, Chad Lembke, Chuanmin Hu, David A. Mann
Marine Science Faculty Publications
This paper presents the first known research to examine sound production by fishes during harmful algal blooms (HABs). Most fish sound production is species-specific and repetitive, enabling passive acoustic monitoring to identify the distribution and behavior of soniferous species. Autonomous gliders that collect passive acoustic data and environmental data concurrently can be used to establish the oceanographic conditions surrounding sound-producing organisms. Three passive acoustic glider missions were conducted off west-central Florida in October 2011, and September and October 2012. The deployment period for two missions was dictated by the presence of red tide events with the glider path specifically set …
A Rapid Response Study Of The Hercules Gas Well Blowout, Samantha Joye, Joseph P. Montoya, Steven Murawski, Tamay Özgökmen, Terry L. Wade, Raffaele Montuoro, Brian J. Roberts, David Hollander, Wade H Jeffrey, Jeffrey Chanton
A Rapid Response Study Of The Hercules Gas Well Blowout, Samantha Joye, Joseph P. Montoya, Steven Murawski, Tamay Özgökmen, Terry L. Wade, Raffaele Montuoro, Brian J. Roberts, David Hollander, Wade H Jeffrey, Jeffrey Chanton
C-IMAGE Publications
On 20 April 2010, the Deepwater Horizon drilling rig lost well control while drilling at the Macondo prospect in the Gulf of Mexico. At the time of the Macondo blowout, the academic scientific community was ill prepared to initiate and rapidly conduct the necessary coordinated interdisciplinary studies of the environments around the discharge area.
Fall 2014, Nsu Oceanographic Center
Spring 2014, Nsu Oceanographic Center
Fall 2013, Nova Southeastern University
Winter 2012, Nsu Oceanographic Center
Fall 2012, Nsu Oceanographic Center
Fussy Feeders: Phyllosoma Larvae Of The Western Rocklobster (Panulirus Cygnus) Demonstrate Prey Preference, M I Saunders, P A Thompson, A G Jeffs, Christin Sawstrom, N Sachlikidis, L E Beckley, A M Waite
Fussy Feeders: Phyllosoma Larvae Of The Western Rocklobster (Panulirus Cygnus) Demonstrate Prey Preference, M I Saunders, P A Thompson, A G Jeffs, Christin Sawstrom, N Sachlikidis, L E Beckley, A M Waite
Research outputs 2012
The Western Rocklobster (Panulirus cygnus) is the most valuable single species fishery in Australia and the largest single country spiny lobster fishery in the world. In recent years a well-known relationship between oceanographic conditions and lobster recruitment has become uncoupled, with significantly lower recruitment than expected, generating interest in the factors influencing survival and development of the planktonic larval stages. The nutritional requirements and wild prey of the planktotrophic larval stage (phyllosoma) of P. cygnus were previously unknown, hampering both management and aquaculture efforts for this species. Ship-board feeding trials of wild-caught mid-late stage P. cygnus phyllosoma in the eastern …
Summer 2011, Nova Southeastern University
Spring 2011, Nsu Oceanographic Center
Fall 2010, Nsu Oceanographic Center
Winter 2010, Nsu Oceanographic Center
Summer/Fall 2009, Nsu Oceanographic Center