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- University of Northern Iowa (10)
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- Journal of the Iowa Academy of Science: JIAS (7)
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Articles 1 - 30 of 36
Full-Text Articles in Life Sciences
Integration Versus Apartheid In Post-Roman Britain: A Response To Thomas Et Al. (2008), John E. Pattison
Integration Versus Apartheid In Post-Roman Britain: A Response To Thomas Et Al. (2008), John E. Pattison
Human Biology Open Access Pre-Prints
The genetic surveys of the population of Britain conducted by Weale et al. and Capelli et al. produced estimates of the Germani immigration into Britain during the early Anglo-Saxon period, c.430-c.730. These estimates are considerably higher than the estimates of archaeologists. A possible explanation suggested that an apartheid-like social system existed in the early Anglo-Saxon kingdoms resulting in the Germani breeding more quickly than the Britons. Thomas et al. attempted to model this suggestion and showed that it was a possible explanation if all Anglo-Saxon kingdoms had such a system for up to 400 yrs. I noted that their explanation …
Afghan Genetic Mysteries, Bernard Dupaigne
Afghan Genetic Mysteries, Bernard Dupaigne
Human Biology Open Access Pre-Prints
Letter To The Editor
A Landscape Approach To Late Prehistoric Settlement And Subsistence Patterns In The Mojave Sink, Tiffany Ann Thomas
A Landscape Approach To Late Prehistoric Settlement And Subsistence Patterns In The Mojave Sink, Tiffany Ann Thomas
UNLV Theses, Dissertations, Professional Papers, and Capstones
The environment of the Late Prehistoric period (1200 A.D. to Historic Contact) Mojave Sink was wetter than modern conditions. The settlement and subsistence patterns of the occupants of the region during this period were driven by the availability of water, subsistence resources, raw material sources, and tradition. These people utilized the regional landscape based upon the seasonal availability of these resources. Supplemental agricultural production has been proposed for the Mojave River Delta due to the more favorable environmental conditions of this period. If agriculture was being practiced it would have affected the regional land-use patterns. For this thesis I propose …
The Marketplace Of Boston: Macrobotanical Remains From Faneuil Hall, Ciana Faye Meyers
The Marketplace Of Boston: Macrobotanical Remains From Faneuil Hall, Ciana Faye Meyers
Graduate Masters Theses
Residents of Boston in the eighteenth century utilized a wide range of botanical materials in their daily lives, navigating complex urban marketing systems and utilizing their own individual ingenuity to procure botanical resources. The one thousand eight hundred and eighty-three botanical remains recovered from a "community midden" underneath the present-day Faneuil Hall represents a diverse collection of taxa which encodes information not only about the localized dietary practices of colonial urban residents, but also helps to illuminate the more subtle ramifications of Boston's participation in the Atlantic economy on the lives of its residents. These botanical remains represent taxa from …
Four Types Of Activities That Affect Animals: Implications For Animal Welfare Science And Animal Ethics Philosophy, D. Fraser, A. M. Macrae
Four Types Of Activities That Affect Animals: Implications For Animal Welfare Science And Animal Ethics Philosophy, D. Fraser, A. M. Macrae
Ethnozoology and Animal Welfare Collection
People affect animals through four broad types of activity: (1) people keep companion, farm, laboratory and captive wild animals, often while using them for some purpose; (2) people cause deliberate harm to animals through activities such as slaughter, pest control, hunting, and toxicology testing; (3) people cause direct but unintended harm to animals through crop production, transportation, night-time lighting, and many other human activities; and (4) people harm animals indirectly by disturbing ecological systems and the processes of nature, for example by destroying habitat, introducing foreign species, and causing pollution and climate change. Each type of activity affects vast numbers …
Afro-Derived Amazonian Populations: Inferring Continental Ancestry And Population Substructure, Luana Gomes Lopes Maciel, Elzemar Martins Ribeiro-Rodrigues, Ney Pereira Cameiro Dos Santos, Ândrea K. C. Ribeiro Dos Santos, João Farias Guerreiro, Sidney Emanuel Batista Dos Santos
Afro-Derived Amazonian Populations: Inferring Continental Ancestry And Population Substructure, Luana Gomes Lopes Maciel, Elzemar Martins Ribeiro-Rodrigues, Ney Pereira Cameiro Dos Santos, Ândrea K. C. Ribeiro Dos Santos, João Farias Guerreiro, Sidney Emanuel Batista Dos Santos
Human Biology Open Access Pre-Prints
A panel of Ancestry Informative Markers (AIMs) was used to identify population substructure and estimate individual and overall interethnic admixture in 294 individuals from seven African-derived communities of the Brazilian Amazon. A panel of 48 biallelic markers, representing the insertion (IN) or the deletion (DEL) of small DNA fragments, was employed for this purpose. Overall interethnic admixture estimates showed high miscegenation with other ethnic groups in all populations (between 46% and 64%). The proportion of ancestral genes varied significantly among individuals of the sample: the contribution of African genes varied between 12% and 75%; of European genes between 10% and …
Iowa Academy Of Science: The New Bulletin, V07n3, Fall 2011, Iowa Academy Of Science
Iowa Academy Of Science: The New Bulletin, V07n3, Fall 2011, Iowa Academy Of Science
New Bulletin
Inside This Issue:
--Message from the Executive Director
--Welcome Corporate Members
--IAS Corporate Memberships
-- 124th Annual Meeting of the Iowa Academy of Science
--Academy seeking Tech Savy students/teachers for service project
--Iowa Math & Science Coalition Funds pass to ISTS
--REAP-CEP Grant Awards value Natural Resources and Science
--Academy receives GLOBE Grant to pilot Webinar GLOBE Workshop
--Wanted: Saylorville Gift Shop Coordinator
--Announcements, Events & Deadlines
Human Alu Insertion Polymorphisms In North African Populations, Lotfi Cherni, Sabeh Frigi, Hajer Ennafaa, Nabil Mtiraoui, Touhami Mahjoub, Amel Benammar-Elgaaied
Human Alu Insertion Polymorphisms In North African Populations, Lotfi Cherni, Sabeh Frigi, Hajer Ennafaa, Nabil Mtiraoui, Touhami Mahjoub, Amel Benammar-Elgaaied
Human Biology Open Access Pre-Prints
Several features make Alu insertions a powerful tool used in population genetic studies: the polymorphic nature of many Alu insertions, the stability of an Alu insertion event and, furthermore, the ancestral state of an Alu insertion is known to be the absence of the Alu element at a particular locus and the presence of an Alu insertion at the site that forward mutational change. This study analyses seven Alu insertion polymorphisms in a sample of 297 individuals from the autochthonous population of Tunisia (Thala, Smar, Zarzis and Bou Salem) and Libya with the aim of studying their genetic structure with …
Historical Sketch Of Slovak Haban (Hutterite) Population Based On Autosomal Str Analysis, Matúš Soták, E. Petrejčíková, D. Siváková, Krzysztof Rębała, A. Bôžiková, J. Bernasovská, J. Čarnogurská, I. Boroňová, S. Mačeková, L. Homol'ová, A. Sovičová, D. Gabriková, L. Rusínová, I. Bernasovský
Historical Sketch Of Slovak Haban (Hutterite) Population Based On Autosomal Str Analysis, Matúš Soták, E. Petrejčíková, D. Siváková, Krzysztof Rębała, A. Bôžiková, J. Bernasovská, J. Čarnogurská, I. Boroňová, S. Mačeková, L. Homol'ová, A. Sovičová, D. Gabriková, L. Rusínová, I. Bernasovský
Human Biology Open Access Pre-Prints
According to the Hutterite chronicles, the Habans arrived from Austrian Tyrol, Switzerland and northernmost Italy and stayed in four regions of Slovakia (Sobotište, Vel'ké, Leváre, Moravský, Svätý, Ján, Trenčín). There are some communities in western Slovakia, which retained their Haban cultural identity and still identify themselves as descendents of the Hutterite population with their own specific customs. Slovak Habans are typical founder population with significant social isolation for which high degree of inbreeding is typical. Present study investigated STR polymorphisms as a powerful genetic tool for population genetic studies. The aim was to perform a comparative, population genetic study based …
Investigating The Origin Of Coprolites From Three Great Basin Caves, Chelsey Vandrisse, Duane P. Moser, David Rhode
Investigating The Origin Of Coprolites From Three Great Basin Caves, Chelsey Vandrisse, Duane P. Moser, David Rhode
Undergraduate Research Opportunities Program (UROP)
The study of coprolites (mummified feces) is a relatively new endeavor, which enables investigations of the health and diet of ancient people and provides some of the oldest evidence to date for the human habitation in North America (2). In this project, 18 coprolites were examined from archeological digs at three Great Basin caves: the Bonneville Estates Rockshelter (UT), Hidden Cave (NV), and Top of the Terrace Rockshelter (UT). The main objectives were: 1) to verify human origin through the presence of mitochondrial DNA (mtDNA) and 2) assuming human origin, characterize intestinal microflora of Native Americans prior to European contact. …
Iowa Academy Of Science: The New Bulletin, V07n2, Summer 2011, Iowa Academy Of Science
Iowa Academy Of Science: The New Bulletin, V07n2, Summer 2011, Iowa Academy Of Science
New Bulletin
Inside This Issue:
--Message from the Executive Director
--2011 Friends of Science & Outstanding Service Award Winners
--IAS Corporate Memberships
--2011 Distinguished Science Awards
--IAS—Iowa DNR Pilot Workshop bucks national trends
--Wanted: Saylorville Gift Shop Coordinator
--Announcements, Events & Deadlines
Factors Controlling Pre-Columbian And Early Historic Maize Productivity In The American Southwest, Part 2: The Chaco Halo, Mesa Verde, Pajarito Plateau/ Bandelier, And Zuni Archaeological Regions, Larry Benson
United States Geological Survey: Staff Publications
Chemical and nutrient analyses of 471 soil samples from 161 sites within four archaeological regions (Pajarito Plateau/Bandelier, Zuni, Mesa Verde, and the Chaco Halo) were combined with historical climate data in order to evaluate the agricultural productivity of each region. In addition, maize productivity and field-life calculations were performed using organic-nitrogen (N) values from the upper 50 cm of soil in each region and a range (1–3%/year) of N-mineralization rates. The endmember values of this range were assumed representative of dry and wet climate states. With respect to precipitation and heat, the Pajarito Plateau area has excellent agricultural potential; the …
Upper Pleistocene Human Dispersals Out Of Africa: A Review Of The Current State Of The Debate, Amanuel Beyin
Upper Pleistocene Human Dispersals Out Of Africa: A Review Of The Current State Of The Debate, Amanuel Beyin
Faculty Scholarship
Although there is a general consensus on African origin of early modern humans, there is disagreement about how and when they dispersed to Eurasia. This paper reviews genetic and Middle Stone Age/Middle Paleolithic archaeological literature from northeast Africa, Arabia, and the Levant to assess the timing and geographic backgrounds of Upper Pleistocene human colonization of Eurasia. At the center of the discussion lies the question of whether eastern Africa alone was the source of Upper Pleistocene human dispersals into Eurasia or were there other loci of human expansions outside of Africa? The reviewed literature hints at two modes of early …
Designing A School Garden Space That Emphasizes Children's Wants And Uses Permaculture Design Methods, Mikhaela Mullins
Designing A School Garden Space That Emphasizes Children's Wants And Uses Permaculture Design Methods, Mikhaela Mullins
Department of Environmental Studies: Undergraduate Student Theses
A case study was organized at Saratoga Elementary school in Lincoln, Nebraska to obtain data on what children desire in a garden space. To collect this data a school garden space was constructed and an after school garden club was implemented. Students who participated in the after school garden club partook in the study by drawing their ideal garden. Elements that the subjects drew were identified and categorized into ‘highly desired’ and ‘somewhat desired’.
These elements were then incorporated into a proposed garden design plan for Saratoga. The proposal plan uses Permaculture design methods to emphasize sustainability.
Debrazza’S Monkeys (Cercopithecus Neglectus) In A Mixed-Taxa Zoo Exhibit: Effects On The Behavior Of A Breeding Group Of Debrazza’S Monkeys After The Birth Of An Infant, Rachel Diamond
Psychology Honors Projects
Historically, zoos rarely feature mixed taxa exhibits including multiple primate species; the Minnesota Zoo opened such a unique four-species exhibit featuring Rock hyraxes, Red River hogs, Colobus monkeys, and DeBrazza’s monkeys in May, 2010. Because of potential problems associated with territoriality and aggression, primates in mixed-taxa exhibits are generally non-breeding. However, the DeBrazza’s monkeys at the MN Zoo are a breeding pair with a juvenile offspring. The intent of this study was to design an ethogram with the purpose of calculating the effects of a mixed taxa exhibit on the behavior of this breeding group, and to compare their behavior …
An Exploration Of Pharmacognosy And Its Potential In The Multi-Faceted Solution Required To Address Hiv/Aids In Sub-Saharan Africa, Alexandra Sassi
An Exploration Of Pharmacognosy And Its Potential In The Multi-Faceted Solution Required To Address Hiv/Aids In Sub-Saharan Africa, Alexandra Sassi
Pell Scholars and Senior Theses
This work has both both biological and anthropoligcal foci. It addresses research done on the medicinal properties of plants and how this research could make positive contributions to the current social and biological issues surrounding the HIV/AIDS epidemic in sub-Saharan Africa.
Depicting Simultaneously Similarity, Diversity, Ancestry, And Admixture?, Peter J. Taylor
Depicting Simultaneously Similarity, Diversity, Ancestry, And Admixture?, Peter J. Taylor
Working Papers on Science in a Changing World
Can any depiction of genetic relationships among humans allow simultaneously for similarity, diversity, ancestry, and admixture (i.e., groups that had split mixing again)? I asked this question while puzzling over the messages conveyed by diagrams from the work of Tishkoff and collaborators on genetic variation among humans in and out of Africa. In this talk I present explorations of alternative depictions of human genetic variation keeping my initial question in mind. By the end I will have prepared the ground for an assertion that the very methodology of generating and depicting human ancestry privileges a racialized view of human diversity.
Fracture In Teeth—A Diagnostic For Inferring Bite Force And Tooth Function, Paul J. Constantino, Brian R. Lawn, James J.-W. Lee, Peter W. Lucas
Fracture In Teeth—A Diagnostic For Inferring Bite Force And Tooth Function, Paul J. Constantino, Brian R. Lawn, James J.-W. Lee, Peter W. Lucas
Biological Sciences Faculty Research
Teeth are brittle and highly susceptible to cracking. We propose that observations of such cracking can be used as a diagnostic tool for predicting bite force and inferring tooth function in living and fossil mammals. Laboratory tests on model tooth structures and extracted human teeth in simulated biting identify the principal fracture modes in enamel. Examination of museum specimens reveals the presence of similar fractures in a wide range of vertebrates, suggesting that cracks extended during ingestion or mastication. The use of ‘fracture mechanics’ from materials engineering provides elegant relations for quantifying critical bite forces in terms of characteristic tooth …
Iowa Academy Of Science: The New Bulletin, V07n1, Spring 2011, Iowa Academy Of Science
Iowa Academy Of Science: The New Bulletin, V07n1, Spring 2011, Iowa Academy Of Science
New Bulletin
Inside This Issue:
--Message from the Executive Director
--123rd Annual meeting of the Iowa Academy of Science
--Candidates for Iowa Academy of Science President
--Candidates for Iowa Academy of Science Board of Directors
--Candidate for Iowa Science Teaching Section Vice Section Chair
--Iowa Science Teaching Section Fall Conference
--Iowa Academy of Science – Election 2011
--Welcome Corporate Members
--IAS Corporate Memberships
--2011 IAS Speaker Series at the Saylorville Visitor Center
--IAS Welcomes Executive Assistant, Debbie Dean
--Wanted: Saylorville Gift Shop Coordinator
--Announcements, Events & Deadlines
Drafting Human Ancestry: What Does The Neanderthal Genome Tell Us About Hominid Evolution? Commentary On Green Et Al. (2010), Michael Hofreiter
Drafting Human Ancestry: What Does The Neanderthal Genome Tell Us About Hominid Evolution? Commentary On Green Et Al. (2010), Michael Hofreiter
Human Biology
Ten years after the first draft versions of the human genome were
announced, technical progress in both DNA sequencing and ancient DNA
analyses has allowed a research team around Ed Green and Svante Pa¨a¨bo to
complete this task from infinitely more difficult hominid samples: a few
pieces of bone originating from our closest, albeit extinct, relatives, the
Neanderthals. Pulling the Neanderthal sequences out of a sea of contaminating
environmental DNA impregnating the bones and at the same time
avoiding the problems of contamination with modern human DNA is in itself
a remarkable accomplishment. However, the crucial question in the long …
Performing Pisgah: Endurance Mountain Bikers Generating The National Forest, Cynthia Twyford Fowler
Performing Pisgah: Endurance Mountain Bikers Generating The National Forest, Cynthia Twyford Fowler
Faculty Scholarship
In Western North Carolina’s Pisgah National Forest, the extraordinary performances of endurance athletes imbue public lands with multivocality and sculpt spaces into idealized natures. Endurance mountain bikers generate Pisgah as a meaningful place grounded to specific spaces and particular identities as they perform challenging rides on difficult terrain.
Mendelian Breeding Units Versus Standard Sampling Strategies: Mitochondrial Dna Variation In Southwest Sardinia, Daria Sanna, Joseph G. Lorenz
Mendelian Breeding Units Versus Standard Sampling Strategies: Mitochondrial Dna Variation In Southwest Sardinia, Daria Sanna, Joseph G. Lorenz
All Faculty Scholarship for the College of the Sciences
We report a sampling strategy based on Mendelian Breeding Units (MBUs), representing an interbreeding group of individuals sharing a common gene pool. The identification of MBUs is crucial for case-control experimental design in association studies. The aim of this work was to evaluate the possible existence of bias in terms of genetic variability and haplogroup frequencies in the MBU sample, due to severe sample selection. In order to reach this goal, the MBU sampling strategy was compared to a standard selection of individuals according to their surname and place of birth. We analysed mitochondrial DNA variation (first hypervariable segment and …
Coping With Forest Fragmentation: A Comparison Of Colobus Angolensis Palliatus Dietary Diversity And Behavioral Plasticity In The East Sagara Forest, Tanzania., Noah T. Dunham
Honors Projects
Habitat destruction and forest fragmentation are perhaps the largest threats to primate species around the world. While national parks, games reserves, and primate sanctuaries are instrumental in primate conservation, research suggests that some non-governmentally protected forest fragments may also serve as viable habitats for primates. Of course not all primates respond to fragmentation in the same way, but a species’ ability to survive in a fragment relates to 1) home range size 2) degree of frugivory 3) dietary flexibility and behavioral plasticity and 4) ability to utilize matrix habitats. Here I describe these variables in relation to black and white …
Geologic Constraints On Rain-Fed Qocha Reservoir Agricultural Infrastructure,Northern Lake Titicaca Basin, Peru, Nathan Craig, Mark Aldenderfer, Catherine Rigsby, Paul Baker, Luis A. Flores
Geologic Constraints On Rain-Fed Qocha Reservoir Agricultural Infrastructure,Northern Lake Titicaca Basin, Peru, Nathan Craig, Mark Aldenderfer, Catherine Rigsby, Paul Baker, Luis A. Flores
Luis FLORES
This paper reports new data on qocha ponds from the Rio PucaraeAzángaro interfluvial zone, northern Lake Titicaca Basin, Peru. Qocha are a little known form of Andean agriculture that developed around 800e500 B.C. and remain in use today. Prior estimates suggested that in the study area, there were more than 25,000 qocha. While most Andean sunken beds are excavated to reach groundwater, qocha are rainfed ponds. How these rain-fed ponds functioned has been an open question, but one that is answered in part by research presented in this paper. We suggest that a thick impermeable stratum of clay that was …
Preservation And Use Of Natural Resources In The Developing World: A Case Study Of The Can Gio Biosphere Reserve, Ho Chi Minh City, Vietnam, Emily Green
Occam's Razor
Developing nations often overlook the environmental effects of industrialization. However, these nations need healthy, sustainable resources in order to become prosperous and stable countries. Additionally, developed nations depend upon the natural resources of developing nations as raw materials. Loss of natural resources in developing nations therefore has effects at both national and global levels. A key challenge across the globe is balancing the human need for development with the necessity of the sustainable use and protection of natural resources. In the process of finding this balance, developing nations are revising both their national definition of conservation as well as the …
Occam's Razor Vol. 1 - Full (2011)
Flood Frequency Estimation By Neyman-Scott Rectangular Pulse Rainfall Model And Topmodel, Richard Bernatz
Flood Frequency Estimation By Neyman-Scott Rectangular Pulse Rainfall Model And Topmodel, Richard Bernatz
Journal of the Iowa Academy of Science: JIAS
A spatial-temporal Neyman-Scott Rectangular Pulse (NSRP) stochastic rainfall model is developed for seasonal-continuous simulation to project annual discharge probabilities from a relatively small watershed, the 1395 km2 Upper Iowa River watershed upstream from Decorah, Iowa. NSRP rainfall data is used as rainfall input to TOPMODEL, a conceptual, semidistributed rainfall runoff model, to calculate river discharge at a site common to the United States Geological Survey (USGS) gauging station in Decorah, Iowa. Annual peak flows based on simulated rainfall are used to fit a log-Pearson type III distribution to project 1 %-, 0.2%-, and 0.1 %-annual discharges. These results are compared …
Current Status Of Lichen Diversity In Iowa, James T. Colbert
Current Status Of Lichen Diversity In Iowa, James T. Colbert
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
Editorial Board & Iowa Academy Of Sciences Officers And Directors
Editorial Board & Iowa Academy Of Sciences Officers And Directors
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
Table Of Contents (Back Cover)
Table Of Contents (Back Cover)
Journal of the Iowa Academy of Science: JIAS
No abstract provided.