Search Results - "Spencer, Mark A"

feeding biomechanics and dietary ecology of Australopithecus africanus by Strait, David S, Weber, Gerhard W, Neubauer, Simon, Chalk, Janine, Richmond, Brian G, Lucas, Peter W, Spencer, Mark A, Schrein, Caitlin, Dechow, Paul C, Ross, Callum F, Grosse, Ian R, Wright, Barth W, Constantino, Paul, Wood, Bernard A, Lawn, Brian, Hylander, William L, Wang, Qian, Byron, Craig, Slice, Dennis E, Smith, Amanda L

“…The African Plio-Pleistocene hominins known as australopiths evolved a distinctive craniofacial morphology that traditionally has been viewed as a dietary…”
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Genetic evidence for plural introduction pathways of the invasive weed Paterson's curse (Echium plantagineum L.) to southern Australia by Zhu, Xiaocheng, Gopurenko, David, Serrano, Miguel, Spencer, Mark A, Pieterse, Petrus J, Skoneczny, Dominik, Lepschi, Brendan J, Reigosa, Manuel J, Gurr, Geoff M, Callaway, Ragan M, Weston, Leslie A

“…Paterson's curse (Echium plantagineum L. (Boraginaceae)), is an herbaceous annual native to Western Europe and northwest Africa. It has been recorded in…”
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Mechanical evidence that Australopithecus sediba was limited in its ability to eat hard foods by Ledogar, Justin A., Smith, Amanda L., Benazzi, Stefano, Weber, Gerhard W., Spencer, Mark A., Carlson, Keely B., McNulty, Kieran P., Dechow, Paul C., Grosse, Ian R., Ross, Callum F., Richmond, Brian G., Wright, Barth W., Wang, Qian, Byron, Craig, Carlson, Kristian J., de Ruiter, Darryl J., Berger, Lee R., Tamvada, Kelli, Pryor, Leslie C., Berthaume, Michael A., Strait, David S.

“…Australopithecus sediba has been hypothesized to be a close relative of the genus Homo. Here we show that MH1, the type specimen of A. sediba , was not…”
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Constraints on masticatory system evolution in anthropoid primates by Spencer, Mark A.

“…It is well established that some observed patterns of force production in the primate masticatory system match those predicted by a simplified lever model…”
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Viewpoints: Diet and dietary adaptations in early hominins: The hard food perspective by Strait, David S., Constantino, Paul, Lucas, Peter W., Richmond, Brian G., Spencer, Mark A., Dechow, Paul C., Ross, Callum F., Grosse, Ian R., Wright, Barth W., Wood, Bernard A., Weber, Gerhard W., Wang, Qian, Byron, Craig, Slice, Dennis E., Chalk, Janine, Smith, Amanda L., Smith, Leslie C., Wood, Sarah, Berthaume, Michael, Benazzi, Stefano, Dzialo, Christine, Tamvada, Kelli, Ledogar, Justin A.

“…ABSTRACT Recent biomechanical analyses examining the feeding adaptations of early hominins have yielded results consistent with the hypothesis that hard foods…”
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The Feeding Biomechanics and Dietary Ecology of Paranthropus boisei by Smith, Amanda L., Benazzi, Stefano, Ledogar, Justin A., Tamvada, Kelli, Pryor Smith, Leslie C., Weber, Gerhard W., Spencer, Mark A., Lucas, Peter W., Michael, Shaji, Shekeban, Ali, Al‐Fadhalah, Khaled, Almusallam, Abdulwahab S., Dechow, Paul C., Grosse, IAN R., Ross, Callum F., Madden, Richard H., Richmond, Brian G., Wright, Barth W., Wang, Qian, Byron, Craig, Slice, Dennis E., Wood, Sarah, Dzialo, Christine, Berthaume, Michael A., Casteren, Adam, Strait, David S.

“…ABSTRACT The African Plio‐Pleistocene hominins known as australopiths evolved derived craniodental features frequently interpreted as adaptations for feeding…”
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Modeling elastic properties in finite‐element analysis: How much precision is needed to produce an accurate model? by Strait, David S., Wang, Qian, Dechow, Paul C., Ross, Callum F., Richmond, Brian G., Spencer, Mark A., Patel, Biren A.

“…The influence of elastic properties on finite‐element analysis was investigated using a finite‐element model of a Macaca fascicularis skull. Four…”
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Incisor microwear, diet, and tooth use in three Amerindian populations by Ungar, Peter S., Spencer, Mark A.

“…Incisor microwear patterns have been shown to reflect aspects of diet and ingestive behaviors in a wide range of nonhuman primates. While some studies have…”
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Biomechanical Implications of Intraspecific Shape Variation in Chimpanzee Crania: Moving Toward an Integration of Geometric Morphometrics and Finite Element Analysis by Smith, Amanda L., Benazzi, Stefano, Ledogar, Justin A., Tamvada, Kelli, Pryor Smith, Leslie C., Weber, Gerhard W., Spencer, Mark A., Dechow, Paul C., Grosse, Ian R., Ross, Callum F., Richmond, Brian G., Wright, Barth W., Wang, Qian, Byron, Craig, Slice, Dennis E., Strait, David S.

“…ABSTRACT In a broad range of evolutionary studies, an understanding of intraspecific variation is needed in order to contextualize and interpret the meaning of…”
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Tooth-root form and function in platyrrhine seed-eaters by Spencer, M.A.

“…Research into the functional and adaptive basis of tooth crown form has provided a useful framework for the inference of diet in extinct primates. However, our…”
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A finite element analysis of masticatory stress hypotheses by Chalk, Janine, Richmond, Brian G., Ross, Callum F., Strait, David S., Wright, Barth W., Spencer, Mark A., Wang, Qian, Dechow, Paul C.

“…Understanding how the skull transmits and dissipates forces during feeding provides insights into the selective pressures that may have driven the evolution of…”
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Masticatory biomechanics and its relevance to early hominid phylogeny: An examination of palatal thickness using finite-element analysis by Strait, David S., Richmond, Brian G., Spencer, Mark A., Ross, Callum F., Dechow, Paul C., Wood, Bernard A.

“…It has been proposed that morphological characters functionally related to mastication may be unreliable indicators of early hominid phylogeny. One hypothesis…”
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The Structural Rigidity of the Cranium of Australopithecus africanus: Implications for Diet, Dietary Adaptations, and the Allometry of Feeding Biomechanics by Strait, David S., Grosse, Ian R., Dechow, Paul C., Smith, Amanda L., Wang, Qian, Weber, Gerhard W., Neubauer, Simon, Slice, Dennis E., Chalk, Janine, Richmond, Brian G., Lucas, Peter W., Spencer, Mark A., Schrein, Caitlin, Wright, Barth W., Byron, Craig, Ross, Callum F.

“…Australopithecus africanus is an early hominin (i.e., human relative) believed to exhibit stress‐reducing adaptations in its craniofacial skeleton that may be…”
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Understory stump sprout development under variable canopy density and leaf area in coast redwood by O’Hara, Kevin L., Stancioiu, Petru Tudor, Spencer, Mark A.

“…A 21-year-old coast redwood ( Sequoia sempervirens (D. Don) Endl.) plantation in north coastal California received a variety of thinning treatments at age 16…”
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Microwear, mechanics and the feeding adaptations of Australopithecus africanus by Strait, David S., Weber, Gerhard W., Constantino, Paul, Lucas, Peter W., Richmond, Brian G., Spencer, Mark A., Dechow, Paul C., Ross, Callum F., Grosse, Ian R., Wright, Barth W., Wood, Bernard A., Wang, Qian, Byron, Craig, Slice, Dennis E.

“…Recent studies of dental microwear and craniofacial mechanics have yielded contradictory interpretations regarding the feeding ecology and adaptations of…”
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Typification of Linnaean Names Relevant to Algal Nomenclature by Spencer, Mark A., Irvine, Linda M., Jarvis, Charles E.

“…Lectotypes (61), neotypes (4) and epitypes (6) are designated here by 15 specialists for Linnaean algal names. These newly designated types support the current…”
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Force production in the primate masticatory system: electromyographic tests of biomechanical hypotheses by Spencer, Mark A.

“…Studies of the influence of dietary selection pressures in living and extinct primate taxa frequently interpret cranial diversity using a simple lever model…”
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Modeling masticatory muscle force in finite element analysis: Sensitivity analysis using principal coordinates analysis by Ross, Callum F., Patel, Biren A., Slice, Dennis E., Strait, David S., Dechow, Paul C., Richmond, Brian G., Spencer, Mark A.

“…Our work on a finite element model of the skull of Macaca aims to investigate the functional significance of specific features of primate skulls and to…”
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Finite element analysis in functional morphology by Richmond, Brian G., Wright, Barth W., Grosse, Ian, Dechow, Paul C., Ross, Callum F., Spencer, Mark A., Strait, David S.

“…This article reviews the fundamental principles of the finite element method and the three basic steps (model creation, solution, and validation and…”
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(2335) Proposal to conserve the name Senecio macrophyllus against S. orientalis (Compositae) by Calvo, Joel, Spencer, Mark A., Aedo, Carlos

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