The Middle and Upper Pleistocene geologic record of Saharan Egypt around Bir Tarfawi consists of a series of sedimentary remnants which contain Acheulian and Middle Paleolithic artifacts and fossils. Compositional and textural analyses of these sediments reveal major fluctuation…
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In order to address how aquaculture has influenced the Setiu estuary and lagoon of northeast peninsular Malaysia, foraminifera, sediment grain-size, and carbon and nitrogen isotope ratios and abundances were analyzed in surface samples collected from beneath and around three flo…
An important element in the ecological study of a paleocommunity is the estimation of the relative abundance of taxa in the living system. This reconstruction is feasible if the sampling processes that created the fossil assemblages can be quantified. I present a plausible recon…
Stable carbon isotope data for early Pliocene hominins Ardipithecus ramidus and Australopithecus anamensis show narrow, C3-dominated isotopic signatures. Conversely, mid-Pliocene Au. afarensis has a wider isotopic distribution and consumed both C3 and C4 plants, indicating a tra…
Knowledge about paleoenvironments is often hampered by the limitations of the fossil record, which only offers a glimpse of ancient ecosystems. To extract as much environmental and ecological information from the fossil record as possible, we often rely on modern analogs as our …
This dissertation considers animal remains from great houses in the San Juan Basin of the American Southwest. The archaeofauna from an outlying great house, Albert Porter Pueblo in the central Mesa Verde region, occupied between Pueblo II and III (AD. 1020-1280), indicates that …
My thesis work investigates the evolutionary history of Bovidae (antelope, sheep, and oxen), with a focus specifically on Bovinae, the clade comprising Bovini (oxen and buffaloes), Tragelaphini (spiral-horned antelopes), and Boselaphini (nilgai, chousinga, and fossil relatives).…