The Texas Journal of Science articles from November 2000

The Texas Journal of Science archives from November 2000

A review of 20th century range expansion and population trends of the golden-fronted woodpecker (Melanerpes aurifrons): historical and ecological perspectives.
November 1, 2000... Abstract. -- Within the United States, the overall breeding range of golden-fronted woodpeckers (Melanerpes aurifrons) appears to have expanded northward and westward during the last century. These distributional changes have occurred...

Avian dynamics of a Chihuahuan Desert creosotebush (Larrea tridentata) community in Nuevo Leon, Mexico.
November 1, 2000... Abstract. -- This study examined the avifauna of a Chihuahuan Desert creosotebush community in the state of Nuevo Leon in northeastern Mexico from May 1995 to April 1996. Based upon foraging strategies, the 48 species recorded were grouped into...

Conservation of Isla Socorro, Mexico: the impact of domestic sheep on the native plant communities.
November 1, 2000... Abstract. -- The impact of feral sheep on the natural resources at Isla Socorro, the largest of the four Pacific islands that constitute the Revillagigedo Archipelago Biosphere Reserve off the northwest coast of Mexico, has the potential to...

Rodent habitats in a Chihuahuan Desert/desert plains grassland ecotone.
November 1, 2000... Abstract. -- Habitat associations and diversity of rodents were studied in four vegetation types associated with a Chihuahuan Desert/desert plains grassland ecotone in southern New Mexico during spring 1993 and 1994. Vegetation types included...

Fishes of the Richland Creek Wildlife Management Area of east Texas.
November 1, 2000... Abstract. -- The aquatic habitats of the Richland Creek Wildlife Management Area in central east Texas were surveyed in April, May, June and August of 1998 and 1999. A total of 49 species from 15 families was documented, including a juvenile...

Reproduction in the longnose snake, Rhinocheilus lecontei (Serpentes: Colubridae).
November 1, 2000... Abstract. -- Reproductive tissue was examined from 275 museum specimens of Rhinocheilus lecontei from the southwestern United States and northwestern Mexico. Males follow a seasonal testicular cycle with sperm produced July-October; regressed...

Polymorphic nature of cranial fluorescence in the fox squirrel (Sciurus niger) from Texas and Oklahoma.
November 1, 2000... Abstract. -- Congenital erythropoietic porphyria (CEP) is a rare pathological condition in man and some domestic animals. Reported diagnostic features include skin lesions, shortened life span, darkened bones and fluorescent skeletal tissues....

Rhizosphere activity of cattail (Typha latifolia) and spike rush (Eleocharis tuberculosa) inhabiting an oil spill.
November 1, 2000... Abstract. -- The esterase activity and populations of soil microorganisms inhabiting cattail (Typha latifolia) and spike rush (Eleocharis tuberculosa) stands growing in a crude oil and brine spill within the Roy E. Larsen Sandyland Sanctuary,...

Differentiation of bourbon whiskies using gas chromatography and cluster analysis.
November 1, 2000... Abstract. -- The practice of counterfeiting liquors in drinking establishments is common today. In order for a forensic scientist to help prevent this from occurring, a database of chromatographs must be compiled of all the spirits available....

Noteworthy record of the Seminole bat, Lasiurus seminolus (Chiroptera: Vespertilionidae), in Val Verde County, Texas.(GENERAL NOTES)
November 1, 2000... The Seminole bat, Lasiurus seminolus, occurs in the eastern third of Texas and is usually associated with forested areas (Schmidly 1991). It is considered the only non-migratory species of Lasiurus and often utilizes pine forests as roosts...

Preliminary observations on breeding by the Llano pocket gopher, Geomys texensis.(GENERAL NOTES)
November 1, 2000... The Llano pocket gopher, Geomys texensis, was only recently recognized as a species distinct from the plains pocket gopher, Geomys bursarius, by Block & Zimmerman (1991). Populations now assigned to G. texensis formerly were referred to the...