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Articles 1 - 13 of 13
Full-Text Articles in Life Sciences
Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. I. Introduction And An Annotated Bibliography Of Tanaidacea Previously Reported From The Gulf Of Mexico, John T. Ogle, Richard W. Heard, Jurgen Sieg
Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. I. Introduction And An Annotated Bibliography Of Tanaidacea Previously Reported From The Gulf Of Mexico, John T. Ogle, Richard W. Heard, Jurgen Sieg
Gulf and Caribbean Research
A brief summary of the biology and a historical review are presented for the Tanaidacea. An annotated bibliography is provided for published reports and records of Tanaidacea from the Gulf of Mexico.
Heat Death Of Least Tern Chicks On The Gulfport, Mississippi, Beach In 1980, Gordon Gunter
Heat Death Of Least Tern Chicks On The Gulfport, Mississippi, Beach In 1980, Gordon Gunter
Gulf and Caribbean Research
The Least Tern is among the smallest of the long-winged flyers and an indescribably ethereal impression emanates from it in flight. Thus great interest was generated when this tern began to nest on the mainland beach of Mississippi Sound about 12 years ago. In 1980, Least Tern chicks died in numbers on the beach and this generated considerable comment and some bombast. An upstate ornithologist announced that poison in the food chain was the cause, but no poison has ever been found in the carcasses of the dead chicks or in the water. The mortality of Least Tern chicks was …
Effects Of Storms On Rice Rats Inhabiting Coastal Marshes, James L. Wolfe
Effects Of Storms On Rice Rats Inhabiting Coastal Marshes, James L. Wolfe
Gulf and Caribbean Research
During 1979, three storms with winds in excess of 73 km/hr and tides up to 1.5 m above normal struck a section of the Mississippi coast where a population study of the rice rat, Oryzomys palustris, was in progress. There were no noticeable effects on population levels, and many individual animals survived the storms.
Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. Ii. The Occurrence Of Halmyrapseudes Bahamensis Băcescu And Gutu, 1974 (Apseudidae) In The Eastern Gulf With Redescription And Ecological Notes, Jurgen Sieg, Richard W. Heard, John T. Ogle
Tanaidacea (Crustacea: Peracardia) Of The Gulf Of Mexico. Ii. The Occurrence Of Halmyrapseudes Bahamensis Băcescu And Gutu, 1974 (Apseudidae) In The Eastern Gulf With Redescription And Ecological Notes, Jurgen Sieg, Richard W. Heard, John T. Ogle
Gulf and Caribbean Research
Halmyrapseudes bahamensis Băcescu and Gutu, 1974 is reported from two localities in the northeastern Gulf of Mexico. A redescription is presented based on examination of type material and a large collection of Gulf specimens. Ecological notes are presented on the occurrence, seasonality and distribution of H. bahamensis in two tidal marsh systems near St. Marks, Florida. The taxonomic status of H. bahamensis in relation to the two other described species of Halmyrapseudes is discussed.
Observations On The Food And Food Habits Of Clapper Rails (Rallus Longirostris Boddaert) From Tidal Marshes Along The East And Gulf Coasts Of The United States, Richard W. Heard
Observations On The Food And Food Habits Of Clapper Rails (Rallus Longirostris Boddaert) From Tidal Marshes Along The East And Gulf Coasts Of The United States, Richard W. Heard
Gulf and Caribbean Research
The feeding habits of five nominal subspecies of clapper rails (Rallus longirostris Boddaert) collected in tidal marshes along the Gulf and Atlantic coasts of the United States are compared. Data on the food from the stomachs of 183 rails were analyzed and the earlier literature critically reviewed. During the warmer months (May through early fall), crabs, predominantly Uca spp., comprised the major part of the food items found. Limited data on a few rails collected during late fall and winter, when Uca spp. are not usually available, indicate that snails then become a major part of the clapper rail’s …
The Occurrence Of Lightiella Jones, 1961 (Crustacea: Cephalocarida) In Mobile Bay, Alabama, Richard W. Heard, Gary D. Goeke
The Occurrence Of Lightiella Jones, 1961 (Crustacea: Cephalocarida) In Mobile Bay, Alabama, Richard W. Heard, Gary D. Goeke
Gulf and Caribbean Research
During July 1979, two adult specimens belonging to the cephalocaridan genus Lightiella Jones, 1961 were collected in a box core sample taken at the mouth of Mobile Bay, Alabama. These two specimens were compared to the four described species of Lightiella, and found to be most similar to the northeastern Atlantic species of L. incisa Gooding, 1963 and L. floridana McLaughlin, 1976. Due to a combination of differences in the thoracopodal setation and incisor process of the mandible, the Mobile Bay form cannot at this time be assigned to any of the described species of Lightiella. The two …
Elevational Variations In The Lowest Limit Of Spartina Colonization In A Virginia Salt Marsh, Thomas G. Reidenbaugh, William C. Banta, Santoria Mendoza, Robert P. Strieter, Michele Varricchio
Elevational Variations In The Lowest Limit Of Spartina Colonization In A Virginia Salt Marsh, Thomas G. Reidenbaugh, William C. Banta, Santoria Mendoza, Robert P. Strieter, Michele Varricchio
Gulf and Caribbean Research
Elevations of lowest colonization of smooth cordgrass, Spartina alterniflora, were surveyed along the edge of a juvenile salt marsh at Wallops Island, Virginia. This lowest limit of Spartina varied over one-third of the local mean tidal range, with lowest occurrences between mean low water and mean low water neaps. Four geographical factors appeared to influence the lowest limit of Spartina: (1) tidal scouring in areas where tidal channels were constricted, (2) scalloping of the marsh edge over a sloping substrate, (3) patterns of historical development of the marsh, and (4) ice scouring of previously colonized Spartina over winter. …
Food Contents Of Six Commercial Fishes From Mississippi Sound, Robin M. Overstreet, Richard W. Heard
Food Contents Of Six Commercial Fishes From Mississippi Sound, Robin M. Overstreet, Richard W. Heard
Gulf and Caribbean Research
Specific dietary contents from six fishes collected in Mississippi Sound are recorded. In order of their importance, primary components grouped in major taxonomic categories were fishes, penaeid shrimps, and other crustaceans for Cynoscion nebulosus; Crustaceans and fishes for C. arenarius; fishes and crustaceans for C. nothus; crustaceans, pelecypods, and polychaetes for Pogonias cromis; crustaceans, molluscs, polychaetes, and fishes for Archosargus probatocephalus; and fishes and penaeid shrimps for Paralichthys lethostigma. Principal items in the diets of most of the fishes included Anchoa mitchilli, Penaeus aztecus, P. setiferus, and Callinectes sapidus. Those …
Evaluation Of Flow-Through, Static, And Recirculating Systems For The Intensive Culture Of The Gulf Killifish Fundulus Grandis With Observations On A Solar-Heated Recirculating System For The Bait Industry, John T. Ogle, Mobashir A. Solangi
Evaluation Of Flow-Through, Static, And Recirculating Systems For The Intensive Culture Of The Gulf Killifish Fundulus Grandis With Observations On A Solar-Heated Recirculating System For The Bait Industry, John T. Ogle, Mobashir A. Solangi
Gulf and Caribbean Research
Three systems (flow-through, static, and recirculating) for intensive culture of the Gulf killifish (Fundulus grandis) for bait were evaluated. The outdoor recirculating system proved most successful. Killifish maintained in this system attained an average weight of over 2.0 gm in 42 days, an acceptable market size. Whereas the solar-heated recirculating system sustained fish densities equivalent to 1,000,000/ha and a survival rate of 86%, growth of killifish in this system was less than that observed in both the static and outdoor recirculating systems. Algae appeared to be an important nutritional component of the diet of juvenile killifish. Individuals of …
The Gastropod Thais Haemastoma In Georgia: T. H. Floridana Or T. H. Canaliculata?, Randal L. Walker
The Gastropod Thais Haemastoma In Georgia: T. H. Floridana Or T. H. Canaliculata?, Randal L. Walker
Gulf and Caribbean Research
In the southeastern United States, the snail Thais haemastoma has traditionally been subdivided into two subspecies according to the snail‘s locale, size of shell, number and size of spines, and depth of suture. Only Thais haemastoma floridana is supposed to occur in Georgia; since Thais haemastoma canaliculata is supposedly restricted to the Gulf of Mexico region. In Georgia, specimens fitting the description of both subspecies are common. The author concurs with the conclusions of Butler (1953) and Gunter (1979) in that the subspecies nomenclature is invalid and that they are merely ecological variants.
Spatial And Temporal Patterns In The Macrobenthos Of St. Louis Bay, Mississippi, James T. Mcbee, Walter T. Brehm
Spatial And Temporal Patterns In The Macrobenthos Of St. Louis Bay, Mississippi, James T. Mcbee, Walter T. Brehm
Gulf and Caribbean Research
Benthic community structure in St. Louis Bay was studied for 23 months. Cluster analyses distinguished two habitats: open water areas and areas near the marshy shores of rivers and bayous. Two groups of “euryhaline opportunistic” species were dominant at the open water stations. Temporal patterns of the “euryhaline opportunists,” which appeared to be controlled by a combination of reproductive pulses and seasonally intense predation, showed that the greatest abundance of macroinfauna occurred during the cooler months with reduced recruitment during the second year. The river-bayou stations were characterized by two groups of “estuarine endemic” species. One of these groups was …
A Marine Midge From The Gulf Of Mexico, Randall Howard
A Marine Midge From The Gulf Of Mexico, Randall Howard
Gulf and Caribbean Research
The distribution of the marine midge Telmatogeton japonicus Tokunaga (Diptera) is extended into the northwestern Gulf of Mexico. This is the first reported use of offshore oil and gas platforms by marine midges and the first occurrence of this typically rocky shore intertidal group in an offshore environment.
Size-Specific Emergence Of The Marsh Snail, Littorina Irrorata: Effect Of Predation By Blue Crabs In A Virginia Salt Marsh, Hilary S. Stanhope, William C. Banta, Michael H. Temkin
Size-Specific Emergence Of The Marsh Snail, Littorina Irrorata: Effect Of Predation By Blue Crabs In A Virginia Salt Marsh, Hilary S. Stanhope, William C. Banta, Michael H. Temkin
Gulf and Caribbean Research
Marsh periwinkles of 5 to 7 mm in shell height were eaten regularly by blue crabs. Fractures marking unsuccessful crab attacks were present in about 25% of medium-sized (10-16 mm) snails and over 60% of larger snails (over 16 mm). Medium-sized snails, subject to predation, leave the water more frequently than larger snails, but only about a quarter of the snail population leaves the water during high tide. We found no evidence that the snails leave the water because they sense blue crabs in the water.