An Archaeological Survey of Twin Buttes Reservoir, Tom Green County, Texas

Geophysical Survey at archaeological site Kaszaper, Békés County, Hungary

Hays County, Texas

The widespread Berberis trifoliolata is sympatric with the narrowly restricted B. swaseyi in central Texas, where apparent intermediates occur. A detailed field study of sympatric populations in northern Hays Co. during 2004 to 2007 clarifies the morphological and phenological differences between the two species and shows that intermediates almost surely arose from hybridization. Limited eviden...

The Texas Twin Project.

Socioeconomic position, racial/ethnic minority status, and other characteristics of the macro-environment may be important moderators of genetic influence on a wide array of psychosocial outcomes. Designed to maximize representation of low socioeconomic status families and racial/ethnic minorities, the Texas Twin Project is an ongoing study of school-age twins (preschool through 12th grade) enr...

An archaeological survey of Whitireia Park, Porirua

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An Investigation of the Distribution of Open Archaeological Sites in the Upper Kickapoo Valley Archaeological District, Vernon County, Wisconsin

The Upper Kickapoo River Archaeological District contains over 500 archaeological sites. Spatial statistics and site selection factors were explored for 405 open archaeological sites. Nearest Neighbor Index and Ripley’s K-Function analyses show that the sites have a clustering pattern. Hot spot analyses reveal concentrations near a few stream confluences. Topographic variables of the site locat...