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Articles 1 - 9 of 9
Full-Text Articles in Entire DC Network
Larval Ecology Of Atlantic Bluefin Tuna (Thunnus Thynnus): New Insights From Otolith Microstructure, Biotic, And Abiotic Analyses From The Gulf Of Mexico And Mediterranean Sea, Estrella Malca
All HCAS Student Capstones, Theses, and Dissertations
Atlantic bluefin tuna (ABT), Thunnus thynnus, spawn in the Gulf of Mexico (GoM) and the Mediterranean Sea (MED). Spawning occurs within narrow temporal and environmental parameters. Efforts to characterize growth of ABT in wild conditions revealed a wide range of growth variability during the early life stages. This series of studies examined potential biotic and abiotic influences of larval growth from seven ABT cohorts, and identified several key drivers of growth for this commercially valuable species. A detailed investigation of larval dynamics using otolith microstructure was conducted as follows. First, companion growth curves and stable isotope analysis from the same …
Spatial Variation In Hard Bottom Coral Communities Of The Coastal West Florida Shelf, Nicole Blank, Sandra D. Brooke, Brian K. Walker
Spatial Variation In Hard Bottom Coral Communities Of The Coastal West Florida Shelf, Nicole Blank, Sandra D. Brooke, Brian K. Walker
Marine & Environmental Sciences Faculty Articles
Hard bottom coral and sponge communities differ along portions of the West Florida Shelf (WFS) in species occurrence, diversity, and/or size. However, the composition and spatial distribution of these communities are not well understood. Community transitions have been proposed in the central portion of the WFS around Tampa Bay, Cedar Key, and as far south as Charlotte Harbor, but supporting data are sparse. Fifteen sites in three regions of Florida were surveyed for species distribution, density, and demographics. Distinct communities were found between St Teresa, Hudson, and Tarpon Springs. Coral and sponge densities were highest off Tarpon Springs followed by …
Distribution Patterns Of The Invasive Mussel Arcuatula Senhousia In Mission Bay, San Diego, California: Effects Of Sediment Grain Size And Byssus Thread Production On Predation, Samantha Ahlman
Theses
The ability of bivalves to avoid predation by using defensive behaviors such as burrowing and byssus production may vary depending on the sediment characteristics of a given habitat. The varying sediment characteristics that change with water velocity within estuaries may influence the distribution of bivalves and limit them to areas that optimize their ability to defend against predators. We examined the distribution patterns of the invasive Asian date mussel Arcuatula senhousia relative to the sediment grain size distribution in Mission Bay, an urban estuary located in San Diego, California, USA. Mussels and sediment were collected using an Ekman grab at …
In Situ Observations Of Fish Attraction To Light-Emitting Diodes On An Undersea Observation Deck, Makoto Tomiyasu, Yoko Tanouchi, Yasuzumi Fujimori, Minato Kaji, Takuma Hayashi, Naoto Matsubara, Hiroki Yasuma, Susumu Shimizu, Seiji Katakura
In Situ Observations Of Fish Attraction To Light-Emitting Diodes On An Undersea Observation Deck, Makoto Tomiyasu, Yoko Tanouchi, Yasuzumi Fujimori, Minato Kaji, Takuma Hayashi, Naoto Matsubara, Hiroki Yasuma, Susumu Shimizu, Seiji Katakura
Journal of Marine Science and Technology
Many fisheries employ fishing lights to manipulate the behaviors of target fish and to attract them toward the light; however, relatively few long-time observations of fish attraction have been performed in the field. Here, an underwater observation deck was used to examine the differences in the fish-attracting effect of light-emitting diode (LED) lights on the number of attracted fish and on their behavior in the field, using white-edged rockfish as the target species. A total of 604 ± 324, 307 ± 203 and 171 ± 106 white-edged rockfish individuals were attracted to the observation window when it was illuminated with …
Impacts Of Human Development And Salt Marsh Characteristics On Variation In The Growth And Reproduction Of Spartina Alterniflora, Alora Lovely
Honors Theses
This study focused on how human development may impact salt marshes using the common native species Spartina alterniflora as an indicator. Salt marshes are vital coastal ecosystems that help protect against major flooding and can filter pollutants from the water. Like many environments, salt marshes have been impacted by human development in many ways, from construction of cities and roadways to pollution from industrial facilities and equipment. The salt marshes that once dominated many coastlines along the North American Atlantic coast have been destroyed or reduced in size dramatically with the extensive development that has occurred along these shores. Three …
Spatiotemporal Patterns In The Biomass Of Drift Macroalgae In The Indian River Lagoon, Florida, United States, Lauren M. Hall, Lori J. Morris, Robert H. Chamberlain, M. Dennis Hanisak, Robert W. Virnstein, Richard Paperno, Bernhard Riegl, L. Rex Ellis, Ali Simpson, Charles A. Jacoby
Spatiotemporal Patterns In The Biomass Of Drift Macroalgae In The Indian River Lagoon, Florida, United States, Lauren M. Hall, Lori J. Morris, Robert H. Chamberlain, M. Dennis Hanisak, Robert W. Virnstein, Richard Paperno, Bernhard Riegl, L. Rex Ellis, Ali Simpson, Charles A. Jacoby
Marine & Environmental Sciences Faculty Articles
Drift macroalgae plays key roles in the ecology of many coastal systems, including the Indian River Lagoon. In the lagoon, changes in the biomass of drift macroalgae may have interacted with an unprecedented bloom of phytoplankton in 2011. Patterns in the biomass of drift macroalgae were identified using new and original analyses of data from several sampling programs collected between 1997 and 2019. All available data show a relatively low biomass of drift macroalgae in 2010–2012, and surveys of fixed transects and seining as part of a fisheries independent monitoring program also recorded low biomass in 2016. Low light availability …
A Biologging Database Of Juvenile White Sharks From The Northeast Pacific, J. O'Sullivan, C. G. Lowe, (...), Kevin C. Weng, Et Al
A Biologging Database Of Juvenile White Sharks From The Northeast Pacific, J. O'Sullivan, C. G. Lowe, (...), Kevin C. Weng, Et Al
VIMS Articles
Species occurrence records are vital data streams in marine conservation with a wide range of important applications. From 2001–2020, the Monterey Bay Aquarium led an international research collaboration to understand the life cycle, ecology, and behavior of white sharks (Carcharodon carcharias) in the southern California Current. The collaboration was devoted to tagging juveniles with animal-borne sensors, also known as biologging. Here we report the full data records from 59 pop-up archival (PAT) and 20 smart position and temperature transmitting (SPOT) tags that variously recorded pressure, temperature, and light-level data, and computed depth and geolocations for 63 individuals. Whether transmitted or …
Ecological Risk Assessment For The Western Rock Lobster Resource : Workshop Procedure And Outcomes, R Stoklosa
Ecological Risk Assessment For The Western Rock Lobster Resource : Workshop Procedure And Outcomes, R Stoklosa
Fisheries occasional publications
No abstract provided.
Kinorhynch Diversity In The Southern Gulf Of Mexico And A Description Of Dracoderes Chaac Sp. Nov., Stephen C. Landers, Kellan Hoffman, Nuria Sanchez, Martin Sorensen
Kinorhynch Diversity In The Southern Gulf Of Mexico And A Description Of Dracoderes Chaac Sp. Nov., Stephen C. Landers, Kellan Hoffman, Nuria Sanchez, Martin Sorensen
Gulf and Caribbean Research
Sediment collections from the southern Gulf of Mexico between the Texas—Mexico border and the Yucatán Peninsula have resulted in many new kinorhynch species distribution records and the finding and taxonomic description of a new species, Dracoderes chaac sp. nov. This study focused on the non—echinoderid members of the Phylum Kinorhyncha, many of which are rare or restricted to only a few locations. A total of 136 specimens were identified from 24 sediment stations, distributed among the following species: Antygomonas gwenae, Campyloderes vanhoeffeni, Centroderes readae, Condyloderes flosfimbriatus, Co. rohalorum, Cristaphyes panamensis, Dracoderes chaac sp. nov., …