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Summer fish assemblages in channelized and unchannelized reaches of the South Sulphur River, Texas
(Texas A&M University, 2003)
I used a conceptual model proposed by Schlosser (1987) to compare channelized and unchannelized reaches of the South Sulphur River, Texas. This model suggests that fish assemblage structure can be predicted based on the ...
A genetic approach to the study of population structure in white-tailed deer :: evidence from the Noble Foundation Wildlife Unit
(Texas A&M University, 2003)
A panel of DNA microsatellite markers was developed in order to simultaneously analyze multiple genetic loci in the white-tailed deer (Odocoileus virginianus). These markers were multiplexed and visualized on an automated ...
Breeding and wintering bird occurence in Texas rangelands with special reference to woody plant encroachment
(Texas A&M University, 2003)
Within the past 150 years, rangeland vegetation in Texas has undergone a large-scale conversion from grasslands and savannas to shrublands and woodlands. Concurrently, grassland bird species have shown more declining ...
Marginal metabolic scope and growth of hatchery-produced, juvenile red drum by progeny group
(Texas A&M University, 2003)
Nine broodstock groups of red drum Sciaenops ocellatus (each consisting of two males and three females) at a State of Texas fish hatchery spawned 13 concurrent progeny groups for which two performance factors, marginal ...
Woody plant and wintering grassland bird responses to summer prescribed burning in grazed and ungrazed Texas Mid-Coastal Prairies
(Texas A&M University, 2003)
Concerned researchers have argued that winter region habitat losses may exacerbate observed declines of grassland birds on the breeding grounds. Yet few studies have investigated grassland bird habits during the non-breeding ...
Feeding and feed-processing by red drum (Sciaenops ocellatus) fed natural and formluated diets
(Texas A&M University, 2003)
Experiments with juvenile red drum, Sciaenops ocellatus, estimated 1) digestibility, 2) feed consumption and growth, and 3) gastric evacuation rate (GER) for two diets: shrimp tail-meat ("Shrimp"), representing natural ...
Evaluation of various sulphur amino acid compounds in the diet of red drum, Sciaenops ocellatus
(Texas A&M University, 2003)
Refinement of diet formulations to enhance the efficiency of red drum production continues to be pursued. Based on previous studies, the sulfur amino acid (SAA) requirement of red drum for methionine plus cystine appears ...
The influence of environmental factors on spatial and temporal variation of fish assemblages in the lower Brazos River, Texas
(Texas A&M University, 2003)
Large floodplain rivers are spatially heterogeneous and temporally dynamic ecosystems. However, few studies have quantified the variation or species-environment relationships of fish assemblages in the main-channel of ...