Digital Commons Network^™

Expansion Dating: Calibrating Molecular Clocks In Marine Species From Expansions Onto The Sunda Shelf Following The Last Glacial Maximum, Eric D. Crandall, Elizabeth J. Sbrocco, Timery S. Deboer, Paul H. Barber, Kent E. Carpenter

Biological Sciences Faculty Publications

The rate of change in DNA is an important parameter for understanding molecular evolution and hence for inferences drawn from studies of phylogeography and phylogenetics. Most rate calibrations for mitochondrial coding regions in marine species have been made from divergence dating for fossils and vicariant events older than 1-2 My and are typically 0.5-2% per lineage per million years. Recently, calibrations made with ancient DNA (aDNA) from younger dates have yielded faster rates, suggesting that estimates of the molecular rate of change depend on the time of calibration, decaying from the instantaneous mutation rate to the phylogenetic substitution rate. aDNA …

Molecular Phylogenetics Of Alternanthera (Gomphrenoideae, Amaranthaceae): Resolving A Complex Taxonomic History Caused By Different Interpretations Of Morphological Characters In A Lineage With C4 And C3-C4 Intermediate Species, Ivonne Sánchez-Del Pino, Timothy J. Motley, Thomas Borsch

Biological Sciences Faculty Publications

Aternanthera (Amaranthaceae) is a diverse genus (80-200 species) largely restricted to the American Tropics. With Pedersenia and Tidestromia, it makes up the Alternantheroid clade in Gomphrenoideae. Parsimony and Bayesian analyses of nucleotide sequences of nuclear (ITS) and plastid (rpl16, trnL-F) and morphological characters identify that the capitate stigma of Alternanthera is a synapomorpy within the Alternantheroids. Within Alternanthera, two major clades were resolved, both of which were marked by otherwise homoplasious characters of the gynoecium: Clade A [99% jackknife (JK); 1.0 posterior probability (PP)] with nine species and Clade B (60% JK; 0.98 PP) with 22 …

Patterns Of Extinction Risk And Threat For Marine Vertebrates And Habitat-Forming Species In The Tropical Eastern Pacific, Beth A. Polidoro, T. Brooks, Kent E. Carpenter, G. J. Edgar, S Henderson, J. Sanciangco, D. R. Robertson

Biological Sciences Faculty Publications

Marine conservation activities around the globe are largely undertaken in the absence of comprehensive species-specific information. To address this gap, complete regional species assemblages of major marine taxa are being progressively assessed against the Categories and Criteria of the International Union for the Conservation of Nature (IUCN) Red List of Threatened Species. The present study is the first analysis of entire major components of the biota of a large marine biogeographic region conducted in the Tropical Eastern Pacific (TEP). It is based on recently completed IUCN Red List assessments for all known species of bony and cartilaginous shorefishes, corals, mangroves, …

A Global Diatom Database- Abundance, Biovolume And Biomass In The World Ocean, K. Leblanc, J. Aristegui, L. Armand, P. Assmy, B. Becker, A. Bode, E. Breton, V. Cornet, J. Gibson, M. P. Gosselin, H. Marshall

Biological Sciences Faculty Publications

Phytoplankton identification and abundance data are now commonly feeding plankton distribution databases worldwide. This study is a first attempt to compile the largest possible body of data available from different databases as well as from individual published or unpublished datasets regarding diatom distribution in the world ocean. The data obtained originate from time series studies as well as spatial studies. This effort is supported by the Marine Ecosystem Model Inter-Comparison Project (MAREMIP), which aims at building consistent datasets for the main plankton functional types (PFTs) in order to help validate biogeochemical ocean models by using carbon (C) biomass derived from …

Reproductive Biology And Recruitment Of Xiphopenaeus Kroyeri In A Marine Protected Area In The Western Atlantic: Implications For Resource Management, Ariádine C. Almeida, J. Antonio Baeza, Vivian Fransozo, Antonio L. Castilho, Adilson Fransozo

Biological Sciences Faculty Publications

The potential of a recently established marine protected area (MPA) in the Western Atlantic, Brazil, as a 'seed production' and nursery ground for Xiphopenaeus kroyeri, an intensively exploited penaeid shrimp, was investigated in an attempt to reveal any future benefit of this new MPA to adjacent populations experiencing heavy exploitation. Overall, we observed that males and females >12 and 20 mm carapace length, respectively, contributed the most to reproduction in the studied population. Reproductive activity of X. kroyeri was continuous at the MPA; 2 annual reproductive peaks were recorded from March to April and from November to December, which were …

Are Low Wages Risk Factors For Hypertension?, J. Paul Leigh, Juan Du

Economics Faculty Publications

Objective: Socio-economic status (SES) is strongly correlated with hypertension. But SES has several components, including income and correlations in cross-sectional data need not imply SES is a risk factor. This study investigates whether wages-the largest category within income-are risk factors. Methods: We analysed longitudinal, nationally representative US data from four waves (1999, 2001, 2003 and 2005) of the Panel Study of Income Dynamics. The overall sample was restricted to employed persons age 25-65 years, n = 17 295. Separate subsamples were constructed of persons within two age groups (25-44 and 45-65 years) and genders. Hypertension incidence was self-reported based on …

Cyanobacteria Dominance In The Oligohaline Waters Of Back Bay, Virginia, Harold G. Marshall

Biological Sciences Faculty Publications

Back Bay and its flora have historically been influenced by the interaction of freshwater flow in combination with frequent intrusion of saline water into its basin. These events have resulted in a dynamic environmental setting influencing the abundance and composition of its phytoplankton community. Dominating these oligohaline waters is a diverse representation and high abundance of freshwater filamentous and colonial cyanobacteria. These include the nonheterocystous Planktolyngbya contorta, Planktolyngbya limnetica, and Pseudanabaena limnetica, taxa implicated as bloom producers in Bay waters with N:P molar ratios ranging from 23:1 to 74:1.

Testing The Role Of Male-Male Competition In The Evolution Of Sexual Dimorphism: A Comparison Between Two Species Of Porcelain Crabs, J. Antonio Baeza, Cynthia M. Asorey

Biological Sciences Faculty Publications

Theory predicts marked sexual dimorphism in terms of body size and body structures used as weapons (e.g. chelipeds) in gonochoric species with intense male sexual competition for receptive females and reduced or no sexual dimorphism in species where competition among males is trivial. We tested this hypothesis using a pair of closely-related species of symbiotic porcelain crabs as a model. In one species that inhabits sea anemones solitarily, competition among males for receptive females is unimportant. In a second species that dwells as dense aggregations on sea urchins, malemale competition for sexual partners is recurrent. We expected considerable sexual dimorphism …

Effects Of Root-Zone Temperature And N, P, And K Supplies On Nutrient Uptake Of Cucumber (Cucumis Sativus L.) Seedlings In Hydroponics, Qiuyan Yan, Zengqiang Duan, Jingdong Mao, Xun Li, Fei Dong

Chemistry & Biochemistry Faculty Publications

The nutrient uptake and allocation of cucumber (Cucumis sativus L.) seedlings at different root-zone temperatures (RZT) and different concentrations of nitrogen (N), phosphorus (P), and potassium (K) nutrients were examined. Plants were grown in a nutrient solution for 30 d at two root-zone temperatures (a diurnally fluctuating ambient 10°C-RZT and a constant 20° C-RZT) with the aerial parts of the plants maintained at ambient temperature (10°C -30°C). Based on a Hoagland nutrient solution, seven N, P, and K nutrient concentrations were supplied to the plants at each RZT. Results showed that total plant and shoot dry weights under …

Protein Folding By 'Levels Of Separation': A Hypothesis, Lesley H. Greene, Terri M. Grant

Chemistry & Biochemistry Faculty Publications

The protein folding process has been studied both computationally and experimentally for over 30 years. To date there is no detailed mechanism to explain the formation of long-range interactions between the transition and native states. Long-range interactions are the principle determinants of the tertiary structure. We present a theoretical model which proposes a mechanism for the acquisition of these interactions as they form in a modified version of ‘degrees of separation’, that we term ‘levels of separation’. It is based on the integration of network science and biochemistry. (C) 2012 Federation of European Biochemical Societies.

Exploring The Effectiveness Of The Learning Community As A Form Of Professional Development And A Catalyst For Changing The Beliefs And Practices Of Family Child Care Providers, Jennifer Gerdes

College of Education and Human Sciences: Dissertations, Theses, and Student Research

This study explored the influence of a 12-hour professional learning community for family child care providers in an urban Midwest city on the participants’ beliefs and practices. A secondary purpose was to explore the potential of the professional learning community as a format for professional development of family child care providers. Data for this study were collected in multiple ways including participant journals, field notes, recordings of learning community sessions, and collected artifacts from learning community provocations. For this group of family child care providers, the learning community was a useful format for professional development. The learning community influenced growth …

Negotiating Forgiveness In Nonvoluntary Family Relationships, Kristen Carr, Tiffany R. Wang

Department of Communication Studies: Dissertations, Theses, and Student Research

This study examined the ways in which individuals communicatively negotiate the process of forgiveness in nonvoluntary (family) relationships. Drawing from relational dialectics theory (RDT) as well as other dialogic perspectives on forgiveness (e.g., Waldron & Kelley, 2008), we examined the complexity of communicating forgiveness in nonvoluntary relationships. Participants’ experiences supported the idea that forgiveness is an ongoing process of communicative negotiations between and among family members. Consistent with previous research, participants also noted that they generally did not explicitly verbalize forgiveness of a family member. Ultimately, the degree to which participants judged their forgiveness as successful often depended on whether …

Reproductive Biology Studies Towards The Conservation Of Two Rare Species Of Colchic Flora, Arbutus Andrachne And Osmanthus Decorus, Nina Melia, Laura Gabedava, Tinatin Barblishvili, Lali Jgenti

Turkish Journal of Botany

Our study examines the structural peculiarities of the generative sphere at different phases of development, and the processes of pollination, fertilisation, and seed formation in 2 species of wild flora: Arbutus andrachne L. (Ericaceae), the eastern strawberry tree, and Osmanthus decorus (Boiss. & Balansa) Kasapligil (Oleaceae), Caucasian osmanthus. These Arcto-Tertiary plants are included in the Red Data Book of the Georgian SSR. As germinable seeds are the main factor determining species distribution and the complete transfer of genetic information, the aim of our research was to establish the self-regeneration capacity of the species under study and choose optimum conditions for …

Lectotypification Of Symphytum Anatolicum (Boraginaceae), Burcu Tarikahya Hacioğlu, Sadik Eri̇k

Turkish Journal of Botany

Symphytum anatolicum Boiss. is an endemic species in the Flora of Turkey and the East Aegean Islands. It was first collected by d'Urville on the island of Cos in 1820 and named Symphytum asperrimum d'Urv. The plant was again collected by Boissier near İzmir (Smyrna) in 1842, and described by him as S. anatolicum in 1844. There are 4 collections mentioned in the protologue in Boissier's Flora Orientalis (1879). The herbarium specimen "Hab. in umbrosis montium circa Smyrnam", housed in G-Boiss. Herbarium, was chosen as lectotype as it best represents the species description.

Reassessment Of Conservation Status Of The Genus Salvia (Lamiaceae) In Turkey Ii, Ahmet Kahraman, Safi Bagherpour, Ersi̇n Karabacak, Musa Doğan, Hakan Mete Doğan, İsmet Uysal, Ferhat Celep

Turkish Journal of Botany

The current conservation status of the Salvia L. (sage) taxa of the family Lamiaceae distributed in the East, South-East, Central, North Anatolian, and Marmara geographic regions of Turkey was reassessed at regional, national, and global levels using IUCN Red List categories and criteria. In accordance with the present taxonomic revision of the genus since 2005, the study area seems to cover 79 taxa, 36 of which are endemic and 4 of which are rare nonendemic; the remaining 39 taxa are widely distributed. The rate of endemism is 46% in the area. Based on new field observations of populations and distribution …

A New Species Of Ornithogalum (Hyacinthaceae) From East Anatolia, Turkey, Bi̇rol Mutlu, Şükrü Karakuş

Turkish Journal of Botany

Ornithogalum malatyanum Mutlu is described as a new species from Malatya Province, East Anatolia, Turkey. A description, photographs, and an identification key including related species are given. The International Union for Conservation of Nature threat category and observations on the ecology of the populations are noted. The chromosome number of the new species is 2n = 24. The morphological differences between the new species and related taxa are also discussed.

Ecological Aspects Of The Arid And Semi-Arid Truffle In Turkey: Evaluation Of Soil Characteristics, Morphology, Distribution, And Mycorrhizal Relationships, Mehmet Akyüz, Sevda Kirbağ, Murat Kurşat

Turkish Journal of Botany

We undertook an evaluation of the physical and chemical quality of soil characteristics, micro- and macroscopic features of morphology, distribution, and mycorrhizal relationships of Terfezia boudieri Chatin. The topsoil was found to be 54.73% sand, 21.97% clay, 23.30% dust, 45.27% dust-clay, 0.126% nitrogen, 1.848% organic matter, and 3.78% total lime. Investigations revealed that the soil contained 40.92 ppm P_2O_5, 613.0 ppm K_2O, 28.82 ppm Na, and 0.164 mmhos/cm salt. It had a pH of 7.12 and the soil type was determined to be sand-clay-slimy. Various characteristics were recorded including ascocarp features (hypogeous, like tubers) and colour (peridium, glebe red tones), …

A New Genus And Three New Species From Central Anatolia, Turkey, Meci̇t Vural, Hayri̇ Duman, Zeki̇ Aytaç, Nezaket Adigüzel

Turkish Journal of Botany

A new genus (Pseudodelphinium H.Duman, Vural, Aytaç & Adıgüzel) and 3 new species (Pseudodelphinium turcicum H.Duman, Vural, Aytaç & Adıgüzel; Iberis halophila Vural & H.Duman; and Frankenia salsuginea Adıgüzel & Aytaç) from the Tuz Gölü (Salt Lake) basin (Central Anatolia) are described. Illustrations, ecological habit, and a distribution map are given. The relationships of the new genus and species are discussed in terms of related taxa.

A New Species Of Marrubium (Lamiaceae) From Central Anatolia, Turkey, Zeki̇ Aytaç, Gencay Akgül, Murat Eki̇ci̇

Turkish Journal of Botany

Marrubium sivasense Aytaç, Akgül & Ekici sp. nova (Lamiaceae) is described and illustrated from Central Anatolia, Turkey. The new species most resembles Marrubium depauperatum, but it differs by 3-10 flowered verticillasters, crenate to crenulated leaf margins, and unequal calyx teeth. The ecology and phenology of the new species as well as its etymology, conservation status, and diagnostic features are discussed.

Allelopathic Effect Of Cassia Tora On Seed Germination And Growth Of Mustard, Eva Sarkar, Samarendra Nath Chatterjee, Pampa Chakraborty

Turkish Journal of Botany

Cassia tora L. (CT) is a widely growing weed in India with medicinal value and has been reported to show allelopathic potential causing biological suppression on crops. The present study was conducted to observe its suppression on Brassica campestris L. (mustard). The rate of seed germination and the root length, shoot length, chlorophyll content, fresh weight (FW), dry weight (DW), and relative water content (RWC) of 10-day-old mustard seedlings were observed after treatment with aqueous extracts of the roots, leaves, and seeds of CT and compared with control sets treated with distilled water. A confirmatory chemical test was conducted to …

Contributions To The Macrofungal Diversity Of Uşak Province, Azi̇z Türkoğlu, Dursun Yağiz

Turkish Journal of Botany

This study was conducted on the macrofungal specimens collected from Uşak in 2006^-2009. In field and laboratory studies, 100 taxa belonging to 30 families and 2 classes were identified. Ten taxa belong to Ascomycetes and 90 to Basidiomycetes. Seven of them, i.e. Pseudoplectania sphagnophila (Pers.) Kreisel, Conocybe pulchella (Velen.) Hauskn. & Svrcek, Entoloma politoflavipes Noordel. & Liiv, Entoloma saundersii (Fr.) Sacc., Entoloma serrulatum (Fr.) Hesler, Hygrophorus nemoreus (Pers.) Fr., and Rugosomyces ionides (Bull.) Bon, are new records for Turkey.

New Records Of Corticioid Fungi With Heterobasidia From Ukraine, Olexander Ordynets

Turkish Journal of Botany

Fifteen species of corticioid fungi with heterobasidia are recorded from the forests in the middle of the Seversky Donets River basin (eastern Ukraine) from 2007 to 2011. Of them, 11 species are new to Ukraine. They are Basidiodendron rimulentum (Bourdot et Galzin) Luck-Allen, Ceratobasidium cornigerum (Bourdot) D.P.Rogers, Eichleriella deglubens (Berk. et Broome) Lloyd, Exidiopsis griseobrunnea K.Wells et Raitv. subsp. griseobrunnea, Helicogloea lagerheimii Pat., Stypella grilletii (Boud.) P.Roberts, Tulasnella albida Bourdot et Galzin, T. eichleriana Bres., T. pallida Bres., T. saveloides P.Roberts, and T. thelephorea (Juel) Juel. Two of these species, Exidiopsis griseobrunnea and Tulasnella saveloides, are still known to be …

Affirmative Action For Lgbt Applicants & Employees: A Proposed Regulatory Scheme, Ryan H. Nelson

Hofstra Labor & Employment Law Journal

The “ENDA Executive Order” would require federal contractors to take affirmative action to recruit and employ lesbian, gay, bisexual, and transgender (“LGBT”) individuals. If the ENDA Executive Order is signed into law, the Office of Federal Contract Compliance Programs (“OFCCP”) would be tasked with developing the regulations to implement it without having had the benefit of public debate. This article seeks to begin that debate by proposing a set of regulations that would effectuate the purpose of the ENDA Executive Order (e.g., equal employment opportunity for LGBT individuals) without overburdening contractors.

With recognition that LGBT employment discrimination laws are novel …

Gender, Family, And Work, Marcia L. Mccormick

Hofstra Labor & Employment Law Journal

No abstract provided.

Beyond Labor Rights: Which Core Human Rights Must Regional Trade Agreements Protect?, Stephen Joseph Powell, Trisha Low

Richmond Journal of Global Law & Business

As World Trade Organization (“WTO”) Members relentlessly pursue new regional trade agreements to achieve even faster economic growth than the extraordinary numbers posted by global trade rules, the smaller number of parties and their greater cultural affinity have led negotiators to address the intersection of trade and human rights to an extent unparalleled in the culturally disparate and near-unmanageable, 150-plus member WTO itself. These new provisions have used trade’s huge power to improve worker rights, secure environmental protections, and make initial inroads toward defending indigenous populations from trade’s adverse effects. Employing the perspectives both of trade negotiators and students of …

Body Mass Bias In Exercise Physiology, Paul M. Vanderburgh

Health and Sport Science Faculty Publications

In certain physically demanding occupations, especially the military, body mass bias has substantive implications. Work physiologists have determined that despite body mass bias in the common military physical fitness tests, the larger service members were often better performers of the physically demanding occupational tasks (Bilzon et al., 2002; Lyons et al., 2005; Rayson et al., 2000). That is, they could carry more, more easily evacuate casualties, and better engage in heavy materiel handling. Yet, the smaller personnel were achieving better scores on the physical fitness tests, the results of which have significant promotion and advancement implications (Vanderburgh & Mahar , …

Protection Of Humanity’S Cultural And Historic Heritage In Space, Justin St. P. Walsh

Art Faculty Articles and Research

While the international community has acted forcefully since World War II to protect sites and objects of cultural or historic significance on Earth, little attention has been paid to the same kinds of sites and objects in space. There are important ethical and scholarly reasons for wanting to preserve sites and in situ objects in off-Earth contexts from destruction or commercial exploitation. Innovative space research equipment, such as spacecraft, satellites, and space stations, and the locations of historic missions, such as Tranquility Base, therefore deserve formal international recognition and protection. Appropriate models for developing a comprehensive protective scheme can be …

Undergraduate Catalog, 2012-2013, University Of South Florida St. Petersburg.

Undergraduate Catalogs

No abstract provided.

Summary Of Findings From The 2012 Child Death Review Annual Report, Nevada Institute For Children's Research And Policy Reports

Nevada Institute for Children's Research and Policy Reports

The 2012 Annual Report of Child Deaths in Clark County, Nevada provides data regarding all infant, child, and fetal (over 20 weeks gestation) deaths occurring in Clark County in 2012. Since 2008, the Child Death Review Team in Clark County has reviewed 100% of the child deaths referred to the team by the Clark County Office of the Coroner/Medical Examiner. This includes all natural deaths, as well as all accidents, homicides, suicides, and undetermined cases.

Explore, Educate, Expand: The Exploratorium’S Education Abroad Youth Program, Nina Rubin

Capstone Collection

This capstone describes the design of an outbound, education abroad program that will take place in Dharamsala, India over a five-week period. It will bring together young adults from the U.S. and Tibet for an intercultural learning experience. The program will provide hands-on opportunities for participants to be engaged in academic, philosophical and personal growth. The educational workshops and activities will be centered on neuroscience, meditation, and Buddhist conceptions of science and the natural world. At the same time, themes of intercultural communication and competence will be explored in-depth.

As a foundation, the program will build from an existing partnership …