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Articles 1 - 10 of 10
Full-Text Articles in Life Sciences
The Influence Of Habitat And Fishing On Reef Fish Assemblages In Cuba, Gaspar Gonzalez-Sanson, Consuelo Aguilar, Ivet Hernandez, Yureidy Cabrera, R. Allen Curry
The Influence Of Habitat And Fishing On Reef Fish Assemblages In Cuba, Gaspar Gonzalez-Sanson, Consuelo Aguilar, Ivet Hernandez, Yureidy Cabrera, R. Allen Curry
Gulf and Caribbean Research
The abundance of selected fish species was estimated using the stationary visual census technique in the northwestern region of the Cuban shelf. A total of 26,809 individuals of 32 species were counted in 1,172 stationary point censuses made at 10 reef sites along the coast. We found that the abundance patterns were most probably the consequence of the presence/absence of mangroves and seagrass beds in adjacent lagoon areas. A second factor influencing the spatial variation appeared to be overfishing on an east-west gradient, with lower abundances of commercially targeted species near Havana City in the east.
Abundance And Distribution Of Two Species Of Squilla (Crustacea: Stomatopoda: Squillidae) In The Northern Gulf Of Mexico, Jennifer L. Wortham
Abundance And Distribution Of Two Species Of Squilla (Crustacea: Stomatopoda: Squillidae) In The Northern Gulf Of Mexico, Jennifer L. Wortham
Gulf and Caribbean Research
Stomatopods (mantis shrimps) are predatory benthic crustaceans. Mantis shrimp in the genus Squilla are frequent bycatch animals unintentionally collected in conjunction with the shrimp fishery in the Gulf of Mexico (GOM). Their carcasses are discarded instead of being retained for human consumption, fish meal, or other protein-based food products. The size, depth, salinity, and temperature distributions of these species, as well as their abundance based on gender, were examined to gain biological information that would be necessary if a fishery were to develop in the GOM. I collected samples (n = 2,854) of Squilla empusa and Squilla chydaea in the …
Seagrass Loss In Belize: Studies Of Turtlegrass (Thalassia Testudinum) Habitat Using Remote Sensing And Ground-Truth Data, Gary R. Gaston, Cole Easson, Greg Easson, Justin Janaskie, M.A. Ballas
Seagrass Loss In Belize: Studies Of Turtlegrass (Thalassia Testudinum) Habitat Using Remote Sensing And Ground-Truth Data, Gary R. Gaston, Cole Easson, Greg Easson, Justin Janaskie, M.A. Ballas
Gulf and Caribbean Research
Spatial and temporal change in turtlegrass (Thalassia testudinum) habitat of the South Water Caye Marine Reserve (SWCMR) in Belize were analyzed using satellite images backed up with ground-truth data. We had two pri-mary objectives. First, we wanted to determine areal expanse of seagrass across a large area (~12 km by 3 km) of the SWCMR, and address its change over time. We used paired satellite images taken during 2001 and 2005 to determine coverage by seagrass and measure temporal variables. These analyses recorded an overall seagrass loss of 1.8% (52.3 ha) during the 4 yr period. Secondly, we …
Determining Salinity-Tolerance Of Giant Salvinia Using Chlorophyll Fluorescence, Patrick D. Biber
Determining Salinity-Tolerance Of Giant Salvinia Using Chlorophyll Fluorescence, Patrick D. Biber
Gulf and Caribbean Research
Salvinia molesta Mitchell, a floating invasive aquatic plant, is one of the top 10 worst invasive aquatic weeds in the world. It was discovered in the lower Pascagoula River in 2005 and evidence suggests that this non-native species is spreading along the northern Gulf of Mexico. These plants exhibit rapid growth and nutrient uptake rates, allowing them to out compete other plants in similar habitats. Distributional observations suggest that non-native S. molesta is able to survive in salinities of up to 7 ppt in the lower Pascagoula River. The response of S. molesta to three salinity levels (0, 5, 10 …
First Records Of The Seagrass Parasite Plasmodiophora Diplantherae From The Northcentral Gulf Of Mexico, Allison K. Walker, Jinx Campbell
First Records Of The Seagrass Parasite Plasmodiophora Diplantherae From The Northcentral Gulf Of Mexico, Allison K. Walker, Jinx Campbell
Gulf and Caribbean Research
Plasmodiophora diplantherae is known to occur throughout the pantropical distribution of its host, the seagrass genus Halodule. However, records in the subtropical region are limited to Tampa Bay, FL where it was detected once during an examination of herbar-ium specimens of H. beaudettei collected in December 1951 (den Hartog 1965) and to Fort Pierce, FL where it was collected once infecting H. wrightii (Braselton and Short 1985). This communication represents the first report of this parasite from Mississippi and Louisiana in the northcentral Gulf of Mexico (GOM).
A Comparison Of Fish Populations In Shallow Coastal Lagoons With Contrasting Shoalgrass (Halodule Wrightii) Cover In The Northcentral Gulf Of Mexico, Just Cebrian, Glenn A. Miller, Jason P. Stutes, Adrienne L. Stutes, Mairi E. Miller, Kate L. Sheehan
A Comparison Of Fish Populations In Shallow Coastal Lagoons With Contrasting Shoalgrass (Halodule Wrightii) Cover In The Northcentral Gulf Of Mexico, Just Cebrian, Glenn A. Miller, Jason P. Stutes, Adrienne L. Stutes, Mairi E. Miller, Kate L. Sheehan
Gulf and Caribbean Research
A number of studies have examined the effects of reduced seagrass cover on local fish populations (e.g., Heck et al. 1989, Ferrell and Bell 1991, Hughes et al. 2002 and more), but few of those studies have focused on shoalgrass (e.g., Tolan et al. 1997, Rydene and Matheson 2003). We present a preliminary comparison of fish populations in three shallow coastal lagoons in the northcentral GOM that have varying levels of shoalgrass cover. Namely, we compare (1) abundances of individual species and the entire fish population, (2) fish population diversity, and (3) length-frequency distributions of the most abundant species.
Age Estimates Of Two Large Misty Grouper, Epinephelus Mystacinus (Serranidae) From Bermuda With A Comparison Of The Age Of Tropical Groupers In The Western Atlantic, Brian E. Luckhurst, John M. Dean
Age Estimates Of Two Large Misty Grouper, Epinephelus Mystacinus (Serranidae) From Bermuda With A Comparison Of The Age Of Tropical Groupers In The Western Atlantic, Brian E. Luckhurst, John M. Dean
Gulf and Caribbean Research
Misty grouper are known to attain at least 54 kg and 115 cm total length (TL) (Heemstra and Randall 1993) although a maximum size of 160 cm TL is reported (Appeldoorn et al. 1987, cited in www.FishBase.com). Recently, two specimens (152 and 157 mm TL) were landed by commercial fisherman from the edge of the Bermuda platform, providing documentation of the maximum size which may be attained by this species. There are no age and growth studies on misty grouper (Heemstra and Randall 1993; www.FishBase.com). Therefore, the age data presented here, although not validated, represent the first estimates of maximum …
Macrofauna Associate With Ungrounded Prop Roots Of Rhizophora Mangle In Veracruz And Quintana Roo, Mexico, Kathryn D. Tunnell, Kim Withers
Macrofauna Associate With Ungrounded Prop Roots Of Rhizophora Mangle In Veracruz And Quintana Roo, Mexico, Kathryn D. Tunnell, Kim Withers
Gulf and Caribbean Research
The prop roots of the red mangrove (Rhizophora mangle) provide a solid substrate for diverse assemblages of marine organisms in areas typically characterized by soft bottoms (Bingham 1992, Farnsworth and Ellison 1996). Macrobenthic communities of mangroves have received little attention compared with other components of the ecosystem, largely due to sampling difficulties (Lee 2008). Mangrove root epifauna are likely used by predatory fish, especially juveniles. Thus, these organisms have the potential of being important links between mangroves and adjacent ecosystems. The fauna associated with red mangrove prop roots along Mexican Gulf of Mexico (GOM) and Caribbean shorelines has …
Morphological Characteristics Of Early Life History Stages Of The Blue Crab, Callinectes Sapidus Rathbun, From The Northern Gulf Of Mexico With A Comparison Of Studies From The Atlantic Seaboard, Kenneth Stuck, Harriet Perry, Darcie Graham, Richard W. Heard
Morphological Characteristics Of Early Life History Stages Of The Blue Crab, Callinectes Sapidus Rathbun, From The Northern Gulf Of Mexico With A Comparison Of Studies From The Atlantic Seaboard, Kenneth Stuck, Harriet Perry, Darcie Graham, Richard W. Heard
Gulf and Caribbean Research
Zoeae, megalopae, and early crab stages of Callinectes sapidus Rathbun, 1896 were described from the northern Gulf of Mexico (nGOM). Observations during this study were based on larvae reared in the laboratory through the early crab stages and on megalopae and early crab stages collected in the wild. Gulf of Mexico data are compared with similar information for the southeast Atlantic coast of the United States. Size and setation of C. sapidus larvae reared from nGOM stocks were different than those in published descriptions of larvae reared from Atlantic populations. Seasonal differences in size were noted in both reared and …
Note On The Natural And Cultural History Of Hurricane Balls, Joyce M. Shaw
Note On The Natural And Cultural History Of Hurricane Balls, Joyce M. Shaw
Gulf and Caribbean Research
Hurricane balls are natural phenomena of tropical storms and hurricane winds and waves and are found along the shoreline. Gunter Library at the Gulf Coast Research Laboratory (GCRL) is home to a small collection of hurricane balls which were found along the shore lines of barrier islands and marsh beaches by GCRL staff over the years. Hurricane balls come in many sizes, and large balls can be slightly larger than a standard basketball of 24.8 cm diameter (USA Basketball 2001). Large balls in the Gunter Library collection range from 34.5 cm diameter (from 1969 Hurricane Camille) to 53.5 cm diameter …