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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
What Is Known About Species Richness And Distribution On The Outer-Shelf South Texas Banks?, Harriet L. Nash, Sharon J. Furiness, John W. Tunnell Jr.
What Is Known About Species Richness And Distribution On The Outer-Shelf South Texas Banks?, Harriet L. Nash, Sharon J. Furiness, John W. Tunnell Jr.
Gulf and Caribbean Research
The outer-shelf South Texas Banks, also known as the snapper banks, are known by fishermen to be excellent fishing grounds. However, few scientific studies have been conducted to describe the ecology of these uncommon but distinctive habitats. This paper describes results of a literature review and an assessment to determine what is known about the biota of the South Texas Banks and to assist in developing renewed interest and focus on these topographic highs. The outer-shelf South Texas Banks include relict coralgal reefs and relict barrier islands, and we also include data for a nearshore site, which is geographically and …
First Record Of A Nurse Shark, Ginglymostoma Cirratum, Within The Mississippi Sound, Jill M. Hendon, Eric R. Hoffmayer, William B. Driggers Iii
First Record Of A Nurse Shark, Ginglymostoma Cirratum, Within The Mississippi Sound, Jill M. Hendon, Eric R. Hoffmayer, William B. Driggers Iii
Gulf and Caribbean Research
Of all the coastal shark species in the northern Gulf of Mexico, the nurse shark, Ginglymostoma cirratum, is one of the few species not documented in the Sound. Unlike most coastal sharks, nurse shark distribution is confined to a relatively specific suite of abiotic characteristics. Hannan et al. (2012) demonstrated that the distribution of nurse sharks in the northern GOM is primarily limited to hard bottom habitats with relatively high temperature, salinity, dissolved oxygen, and water clarity. Herein, we provide support for the findings of Hannan et al. (2012) and report the first documented occurrence of a nurse shark …
Assessment Of Seagrass Floral Community Structure From Two Caribbean Marine Protected Areas, Paul A.X. Bologna, Anthony J. Suleski
Assessment Of Seagrass Floral Community Structure From Two Caribbean Marine Protected Areas, Paul A.X. Bologna, Anthony J. Suleski
Gulf and Caribbean Research
Seagrass communities represent spatially complex and biomass producing systems comprised of intermixed seagrass and algal species. We investigated shallow water communities from two Marine Protected Areas (MPAs) in the Caribbean: St. John, United States Virgin Islands and Cayos Cochinos, Honduras. St. John sites (4) lie within the Virgin Islands National Park and the Coral Reef National Monument and are designated within an UNESCO Biosphere Reserve. Honduran sites (4) lie within the designated Marine National Monument. Our results indicate that both MPAs were dominated by Thalassia testudinum with spatial coverage and shoot density significantly greater in Honduras. Many sites also showed …
Sand Bottom Microalgal Production And Benthic Nutrient Fluxes On The Northeastern Gulf Of Mexico Nearshore Shelf, Jeffrey G. Allison, M.E. Wagner, M. Mcallister, A.K.J. Ren, R.A. Snyder
Sand Bottom Microalgal Production And Benthic Nutrient Fluxes On The Northeastern Gulf Of Mexico Nearshore Shelf, Jeffrey G. Allison, M.E. Wagner, M. Mcallister, A.K.J. Ren, R.A. Snyder
Gulf and Caribbean Research
Benthic microalgal production on the continental shelves may be an important contributor to the overall productivity of offshore ecosystems. We used light and dark benthic chambers to measure in situ production, respiration, and benthic nutrient flux on the nearshore quartzite sands of the northeast Gulf of Mexico shelf. Net exchange of O2, NH4+, NO3- + NO2-, PO4-3, and SiO2 was measured in samples taken from chambers at depths of 15 to 16 m offshore of Pensacola, FL. Phytoplankton production and respiration in near-bottom water was determined …
Effects Of Closure Of The Mississippi River Gulf Outlet On Saltwater Intrusion And Bottom Water Hypoxia In Lake Pontchartrain, Michael A. Poirrier
Effects Of Closure Of The Mississippi River Gulf Outlet On Saltwater Intrusion And Bottom Water Hypoxia In Lake Pontchartrain, Michael A. Poirrier
Gulf and Caribbean Research
The goal of this study was to determine if Mississippi River Gulf Outlet closure by hurricane flood protection projects stopped saltwater intrusion, salinity stratification, and associated low bottom water dissolved oxygen in Lake Pontchartrain.
Characterization Of Ichthyoplankton In The Northeastern Gulf Of Mexico From Seamap Plankton Surveys, 1982-1999, Joanne Lyczkowski-Shultz, David S. Hanisko, Kenneth J. Sulak, Malgorzata Konieczna, Pamela J. Bond
Characterization Of Ichthyoplankton In The Northeastern Gulf Of Mexico From Seamap Plankton Surveys, 1982-1999, Joanne Lyczkowski-Shultz, David S. Hanisko, Kenneth J. Sulak, Malgorzata Konieczna, Pamela J. Bond
Gulf and Caribbean Research
Data for 61 selected ichthyoplankton taxa from 1,166 bongo and neuston net samples at 72 stations comprising the USGS Northeastern Gulf of Mexico Ichthyoplankton Synopsis (UNIS) study area were analyzed. These data were taken during annual spring and fall Southeast Area Monitoring and Assessment Program (SEAMAP) Gulfwide plankton surveys over the period 1982-1999. The UNIS study area contributed disproportionately more fish eggs, total larvae and net-caught zooplankton biomass to survey totals than would be expected from the number of samples taken in the study area. This pattern was more evident during spring than fall surveys and is probably related to …
Effects Of Black Mangrove (Avicennia Germinans) Expansion On Saltmarsh (Spartina Alterniflora) Benthic Communities Of The South Texas Coast, Jessica Lunt, Kimberly Mcglaun, Elizabeth M. Robinson
Effects Of Black Mangrove (Avicennia Germinans) Expansion On Saltmarsh (Spartina Alterniflora) Benthic Communities Of The South Texas Coast, Jessica Lunt, Kimberly Mcglaun, Elizabeth M. Robinson
Gulf and Caribbean Research
This study examined the effects of mangrove expansion on benthic communities. This was accomplished by examining plant composition, benthic community composition, and belowground root biomass. Two sites were examined: Corpus Christi Pass, Corpus Christi, TX where mangroves have become more common in the last decade and the Lower Laguna Madre, South Padre Island, TX where mangroves are well established. This research seeks to provide preliminary results to provide direction for future studies examining the interplay of S. alterniflora and A. germinans habitat on benthic communities. We hypothesize that the more established site of South Padre Island will have greater numbers …
Time-Activity Budgets Of Stoplight Parrotfish (Scaridae: Sparisoma Viride) In Belize: Cleaning Invitation And Diurnal Patterns, Wesley A. Dent, Gary R. Gaston
Time-Activity Budgets Of Stoplight Parrotfish (Scaridae: Sparisoma Viride) In Belize: Cleaning Invitation And Diurnal Patterns, Wesley A. Dent, Gary R. Gaston
Gulf and Caribbean Research
The primary objective of this study was to analyze diurnal behavior of Sparisoma viride in South Water Caye Marine Reserve (SWCMR), Belize. Time-activity budgets were used to characterize behavior (using swimming, feeding, hovering, sheltering, defecating, and cleaning categories) during the diel cycle, and to illustrate differences among the life phases of this species.
Record Body Size For The Red Lionfish, Pterois Volitans (Scorpaeniformes), In The Southern Gulf Of Mexico, Alfonso Aguilar-Perera, Leidy Perera-Chan, Luis Quijano-Puerto
Record Body Size For The Red Lionfish, Pterois Volitans (Scorpaeniformes), In The Southern Gulf Of Mexico, Alfonso Aguilar-Perera, Leidy Perera-Chan, Luis Quijano-Puerto
Gulf and Caribbean Research
Non-native species are those that have been transported, via human actions, from one continent and introduced into another (Lockwood et al. 2007). In the 1980s, red lionfish, Pterois volitans (Linnaeus, 1758), traded in the US aquarium industry from the Pacific Ocean, was introduced into the coral reefs off Florida's coast by aquarium hobbyists (Morris and Whitfield 2009). It is unknown how this introduction occurred, but after more than 20 years the red lionfish population is widespread, occupying a large portion of the Western Atlantic (Schofield 2010) where it represents a threat to the marine ecosystem (Green et al. 2012). The …
Depuration Of Macondo (Mc-252) Oil Found In Heterotrophic Scleractinian Corals (Tubastrea Coccinea And Tubastrea Micranthus) On Offshore Oil/Gas Platforms In The Gulf, Steve R. Kolian, Scott Porter, Paul W. Sammarco, Edwin W. Cake Jr.
Depuration Of Macondo (Mc-252) Oil Found In Heterotrophic Scleractinian Corals (Tubastrea Coccinea And Tubastrea Micranthus) On Offshore Oil/Gas Platforms In The Gulf, Steve R. Kolian, Scott Porter, Paul W. Sammarco, Edwin W. Cake Jr.
Gulf and Caribbean Research
The impetus for this study began on 8 May 2011, when we noted sporadic mortality of colonies of orange—cup corals, Tubastrea coccinea (Lesson, 1829), and green sun corals, Tubastrea micranthus (Ehrenberg, 1834; Cnidaria, Anthozoa, Scleractinia) among colonies of coral that appeared to be in good health at the GI 90 block platforms. Colonies of T. coccinea which appeared to be healthy displayed markedly less tissue regression and were bright orange in color. The morbid polyps were dark brown or black. The corals were collected, transported to the laboratory, and segregated; healthy—appearing corals were placed in quarantine tanks. After 12 h …
Spatial And Size Distribution Of Red Drum Caught And Released In Tampa Bay, Florida, And Factors Associated With Post-Release Hooking Mortality, Kerry E. Flaherty, Brent L. Winner, Julie L. Vecchio, Theodore S. Switzer
Spatial And Size Distribution Of Red Drum Caught And Released In Tampa Bay, Florida, And Factors Associated With Post-Release Hooking Mortality, Kerry E. Flaherty, Brent L. Winner, Julie L. Vecchio, Theodore S. Switzer
Gulf and Caribbean Research
The recreational fishery for red drum (Sciaenops ocellatus) in Florida is unusual in that most red drum targeted are immature and caught within estuarine waters. Current state regulations rely exclusively on bag and size limits, resulting in the release of a large proportion of captured individuals. This study employed hook-and-line sampling conducted monthly in Tampa Bay, Florida and catch-and-release mortality experiments to determine the spatial and size distribution of red drum and the mortality rate of released fish, respectively. Of the 1,405 red drum collected, more than 70% were smaller than the minimum legal size (457 mm standard …
Distribution And Length Frequency Of Invasive Lionfish (Pterois Sp.) In The Northern Gulf Of Mexico, Alexander Q. Fogg, Eric R. Hoffmayer, William B. Driggers Iii, Matthew D. Campbell, Gilmore J. Pellegrin, William Stein
Distribution And Length Frequency Of Invasive Lionfish (Pterois Sp.) In The Northern Gulf Of Mexico, Alexander Q. Fogg, Eric R. Hoffmayer, William B. Driggers Iii, Matthew D. Campbell, Gilmore J. Pellegrin, William Stein
Gulf and Caribbean Research
The purpose of this communication is to document continued spatial expansion of lionfish farther west into the northern Gulf of Mexico. Furthermore, we provide the first length— mass relationships and length frequency information for lionfishes captured within the northern GOM based on data collected as part of a broader on—going study of lionfish life history in this region.
Notes On The Biology Of Invasive Lionfish (Pterois Sp.) From The Northcentral Gulf Of Mexico, Nancy J. Brown-Peterson, J. Read Hendon
Notes On The Biology Of Invasive Lionfish (Pterois Sp.) From The Northcentral Gulf Of Mexico, Nancy J. Brown-Peterson, J. Read Hendon
Gulf and Caribbean Research
The first confirmed sightings of lionfish in the Gulf of Mexico occurred in 2010 (Schofield 2010), where they were reported in the southern GOM off the Yucatan Peninsula, Mexico (Aguilar-Perera and Tuz-Sulub 2010); in 2012 more than 1,500 lionfish were collected from northern GOM locations ranging from Florida to Texas (Fogg et al. 2013). However, other than visual observations (mostly from recreational divers), there is relatively little information on the biology and ecology of lionfish in the northern GOM. The life history of invasive species can vary as they colonize new habitats and areas (Bøhn et al. 2004); thus, biological …