Physical Sciences and Mathematics Commons^™

In‐Herd Diversity Of Lifetime Performances: A Key For The Sustainability Of Livestock Farming System Based On Grassland, Laurence Puillet, D. Sauvant, M. Tichit

IGC Proceedings (1997-2023)

No abstract provided.

Warming‐Induced Decline In Ecosystem Services Is Mitigated By Plant Traits On The Tibetan Plateau, Julia A. Klein, J. Harte, X. Q. Zhao

IGC Proceedings (1997-2023)

No abstract provided.

Evaluating Stochastic Rankings With Expected Exposure, Fernando Diaz, Bhaskar Mitra, Michael D. Ekstrand, Asia J. Biega, Ben Carterette

Computer Science Faculty Publications and Presentations

We introduce the concept of expected exposure as the average attention ranked items receive from users over repeated samples of the same query. Furthermore, we advocate for the adoption of the principle of equal expected exposure: given a fixed information need, no item should receive more or less expected exposure than any other item of the same relevance grade. We argue that this principle is desirable for many retrieval objectives and scenarios, including topical diversity and fair ranking. Leveraging user models from existing retrieval metrics, we propose a general evaluation methodology based on expected exposure and draw connections to related …

Deep Sea Isopods From The Western Mediterranean: Distribution And Habitat, Joan E. Cartes, Diego F. Figueroa

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

Isopods are a highly diversified group of deep-sea fauna, with a wide variety of shapes which must reflect a similar great variety of adaptations to the deep environments. The deep Mediterranean, however, has a low diversity of isopods related to its oligotrophy, the thermal stability of deep-water masses (∼12.8 °C below 150 - 200 m) and rather homogeneous geomorphology. The main factor defining isopod habitats in the Balearic Basin is insularity vs mainland influence. Desmosomatidae and Ischnomesidae, examples of epibenthic species (with lack of paddle-shaped legs and non/low-natatory capacity) are mainly linked to mainland areas with higher % organic matter …

Testing Non‐Equilibrium Theory: Effects Of Grazing On Plant Community Composition And Soil Nutrient Availability In Dry Southern Mongolian Steppes, Karsten Wesche, Katrin Ronnenberg

IGC Proceedings (1997-2023)

No abstract provided.

“Enriching Lives Within Sedimentary Geology”: Actionable Recommendations For Making Sepm A Diverse, Equitable And Inclusive Society For All Sedimentary Geologists, R.C. Mahon, A.M. Fernandes, A. Abeyta, R. Martindale, K.D Bergman, C. Jackson, Et Al

Earth and Environmental Sciences Faculty Publications

Innovative science benefits from diversity of thought and influence at all waypoints along the scientific journey, from early education to career-length contributions in research and mentorship. Scientific societies, like the Society for Sedimentary Geology (SEPM), steward their innovators and the direction of the science, thereby defining the societal impact and evolution of a discipline. They are uniquely positioned to promote the representation and success of all scientists, including those from minoritized populations, through proactive advocacy, and inclusive mentorship, awards, and leadership. We introspectively review available records of SEPM membership, leadership, awardees, and editorial boards to identify areas for growth and …

Forests, Steppes And Grasslands In Morocco: Diversity, Ecological Importance And Socio‐Economic Role, Mohammed Sghir Taleb, Mohamed Fennane

IGC Proceedings (1997-2023)

No abstract provided.

Assessing Genetic Diversity Of Elymus Sibiricus (Poaceae: Triticeae) Populations From Qinghai‐Tibet Plateau By Issr Markers, Xiao Ma, Xinquan Zhang, Yonghong Zhou, Shiqie Bai

IGC Proceedings (1997-2023)

No abstract provided.

A Diverse View Of Science To Catalyse Change, César A. Urbina-Blanco, Safia Z. Jilani, Isaiah R. Speight, Michael J. Bojdys, Tomislav Friščić, J. Fraser Stoddart, Toby L. Nelson, James Mack, Renã A.S. Robinson, Emanuel A. Waddell, Jodie L. Lutkenhaus, Murrell Godfrey, Martine I. Abboud, Stephen O. Aderinto, Damilola Aderohunmu, Lučka Bibič, João Borges, Vy M. Dong, Lori Ferrins, Fun Man Fung, Torsten John, Felicia P. L. Lim, Sarah L. Masters, Dickson Mambwe, Pall Thordarson, Maria Magdalena Titirici, Gabriela D. Tormet-González, Miriam M. Unterlass, Austin Wadle, Vivian W. W. Yam, Ying Wei Yang

Faculty and Student Publications

© 2020 Croatian Chemical Society. All rights reserved. Valuing diversity leads to scientific excellence, the progress of science and, most importantly, it is simply the right thing to do. We must value diversity not only in words, but also in actions.

Overgrazing Affects Arbuscular Mycorrhizae Diversity And Abundance In Patagonian Steppe, Natalie Von Dudinszky, M. N. Cabello, A. A. Grimoldi, S. Schalamuk, R. A. Golluscio

IGC Proceedings (1997-2023)

No abstract provided.

Est-Ssrs Provide A Good Measure Of Genetic Diversity For Improvement Of Gum Content In Cluster Bean, Neha Wadhwa, Aditi, Udai Narayan Joshi, Neelam R. Yadav

IGC Proceedings (1997-2023)

Cyamopsis tetragonoloba (L.) Taub., commonly known as guar is an important multipurpose arid leguminous crop of India, mainly cultivated in north-western parts of India. The pods of the guar plant grow in clusters giving guar the common name of clusterbean. It is mainly grown for feed, green fodder, vegetable and green manuring. Its seeds are also an important source of galactomannan (guar gum) which is used as a food ingredient and more recently as a neutraceutical. Guar gum is also having pharmaceutical importance and found to be effective in osteoarthritis, as artificial cervical mucus and for anticancer medicine in the …

Diversity And Inclusion In The Workplace; Benefits, Challenges And Strategies For Success, Margaret Leone

School of Professional Studies

In this case study I have explored the topic of diversity and inclusion in the workplace and learned how it can transform a business. When D&I is a serious business strategy supported by senior management it can help recruit and retain top talent, increase profits, and unleash creativity among other benefits. It is important to have leadership that is inclusive so they can set the tone for their staff

This case study evaluates the D&I culture at The Children’s Study Home (CHS) and explores best practices for improvement. CHS is a non-profit human service agency in Western MA, that’s mission …

Impact Of Grazing On Soil Seed Bank Replenishment Under The Mediterranean Climate Of Northern Syria, Abdoul Aziz Niane, P. C. Struik, Murari Singh, Zewdie Bishaw

IGC Proceedings (1997-2023)

Rangelands represent 70% of the semi-arid and arid Mediterranean land mass. It is a habitat for millions of people whose livelihood depends on animal husbandry. The revolutionary developments in the animal husbandry and veterinary medicines resulted in exponential increases in livestock and human populations living on and from dry lands. To respond to population growth, expansion on urbanization, transportation and road networks, land reform and rural development policies forced nomads to adopt sedentary lifestyles. The demographic changes coupled with national and international border crossing restrictions escalated opportunistic cultivation, and excessive exploitation of the scarce and slowly renewable vegetation cover of …

Integrated Visionaries, David Ocelotl Garcia, Eden Knapp, Catherine Trujillo

Creative Works

Integrated Visionaries, David Ocelotl Garcia, University Art Collection, College of Science and Mathematics. Acrylic on board.

Cal Poly’s College of Science and Mathematics unveiled a 22’ by 6’foot diversity-themed mural on May 26, 2017 in the main lobby of the Warren J. Baker Center for Science and Mathematics (No. 180). The mural—“Integrated Visionaries”—represents the study and research of science and mathematics while considering themes of inclusivity, diversity and community. It integrates a stylized approach that allows viewers to see themselves in the mural. This catalog is based on the onsite installation and opening reception for the mural in May 2017.

An Investigation Into The Effects Of Rural Roads On Plant Diversity Of Roadsides In Arid Rangelands Of Iran, Anahita Rashtian, Mansour Mesdaghi

IGC Proceedings (1997-2023)

Roads are essential elements of human societies. Rural roads are clear indicators of rural development. Most rural roads in Iran are dirt roads and roadside vegetation is an important part of the ecosystem. Making roads can change the microclimate, including the light regime, pH and organic matter of soil, hydrological and sedimentation regimes (Karim and Mallik 2008; Hayasakaa et al. 2012). This can affect the composition of vegetation, with increased density and frequency of some fast-growing species close to the road for example (Parendes and Jones 2000). Road-building can also contaminate the air, soil, and water, with destruction of …

Plant Species Diversity On Protected And Non-Protected Areas Of Golestan National Park And Vicinity Areas, Masoume Amirkhani, Elham Bagherirad, Mansour Mesdaghi

IGC Proceedings (1997-2023)

It is important to monitor the status of native rangeland vegetation in order to maintain existing grassland remnants which are valuable for wildlife. In the Steppe region, there has been concern that grazing of late-successional ecosystems may decrease plant species diversity on a local and regional scale and adversely affect rare, threatened, or endangered species. Native vegetation is the best indicator of the potential productivity of a specific location. Range-land herbage production is important for multiple land uses such as livestock production, wildlife food and cover, and protection against erosion. In eastern Oregon, variability in rangeland productivity is linked to …

Steppes And Grasslands In Morocco: Diversity, Functional Ecology And Socio-Economic Role, Mohammed Sghir Taleb, Jalal El Oualidi

IGC Proceedings (1997-2023)

With Morocco’s geographical situation (at the crossroads between Europe and Africa, the Mediterranean Sea and the Atlantic Ocean), its diverse climate and habitats supports a varied natural vegetation. The floristic richness of the country is related to the heterogeneity of biotypes. From the desert to the high mountains and the littoral to the continental borders, Morocco offers varied ecological conditions that support many different plant species. Steppes and grasslands are important parts of the main plant associations encountered in Morocco. They contain a wealth of flora, play important ecological roles and, from a socioeconomic perspective, are highly significant.

Phylogeography Of Acartia Tonsa Dana, 1849 (Calanoida: Copepoda) And Phylogenetic Reconstruction Of The Genus Acartia Dana, 1846, Nicole J. Figueroa, Diego F. Figueroa, David Hicks

School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations

The calanoid copepod, Acartia tonsa Dana, 1849 is one of the most abundant and well-studied estuarian species with a worldwide distribution. In this research, we use the mitochondrial cytochrome oxidase subunit I gene to study the phylogeography of A. tonsa by analyzing sequences from specimens collected in the western Gulf of Mexico (GOM) along with all sequences from previous research. We reconstruct the phylogeny for the genus Acartia Dana, 1846 and highlight numerous potential misidentifications of Acartia species deposited in GenBank. The incorrect taxonomy assigned to some of these sequences results in apparently paraphyletic relationships. This study demonstrates that A. …

Impact Of Chromolaena Odorata Invasion On Diversity, Dry Matter Yield And Soil Mineral Contents In Pasture Area, Muhammad Rusdy, Muhammad Riadi

IGC Proceedings (1997-2023)

A major constraint to livestock production in tropical countries is the scarcity and fluctuating quantity and quality of year around forage supply. During the rainy season, tropical forage species grow at very fast rates, with forage yields often exceeding animal requirements. If not cut or fed to animals, during the dry season such forage becomes fibrous and lack of most essential nutrients required by animals. In densely populated country like Indonesia, lacks of forage supply are aggravated by the high conversion of grassland to cash crop and invasion of alien weeds into pasture area.

Since introduced to Indonesia in the …

Study On The Community Structure And Diversity Of Spiders In Alfalfa Fields And Natural Grassland, Yi Wu, Yasen, Li Zhao, Shali Yasen

IGC Proceedings (1997-2023)

Different regions, habitats spider community have different composition, quantity and dynamics. We selected alfalfa fields, forests grasslands and arid grasslands and where studied its spider community structure, characteristic parameters and dynamics by traps from April to October in 2012.

Study On Population Distribution, Morphological Structure And Physiological-Biochemical Characteristics Of Dactylis Glomerata In Different Geographical Areas Of Tianshan Mountains Of Xinjiang In China, Xianhua Zhang, Jinzhong Zhu

IGC Proceedings (1997-2023)

As one important cool-season grass with high resource value, Dactylis glomerata has many characteristics such as good adaptability, high nutritional value and so on. It is one of the major cultivated species planted in high quality artificial grassland in the world. Xinjiang is one of the major areas have rich germplasm resource of wild Dactylis glomerata, and it is a natural gene pool. In order to protect and make good use of wild plant resources, this study focused on the distribution patterns, distribution regulation, morphological structure and physiological-biochemical characteristics of wild Dactylis glomerata grown in different geographical areas of …

Benefits And Uses Of Nematodes In Grassland Soils, Michael J. Wilson

IGC Proceedings (1997-2023)

To most grassland farmers nematodes mean trouble: they are important parasites of both pasture plants and livestock. While there is no doubting the considerable losses caused by nematodes, crop and livestock pests represent a tiny minority of the approximately 26,000 described nematode species. Here I examine the beneficial effects of nematodes within grassland systems and their beneficial uses. Nematodes in grassland soils increase plant available nutrients, move beneficial microbes through the rhizosphere and control insect and mollusc herbivores. We can use nematodes as biological control agents, and also as indicators of soil health/quality. While no single group of organisms can …

Twenty Years Of Exceptional Success: The MOlecular EDucation And REsearch COnsortium In UNdergraduate Computational ChemistRy (Mercury)” , George C. Shields

Chemistry Publications

The molecular education and research consortium in undergraduate computational chemistry (MERCURY) consortium, established in 2000, has contributed greatly to the scientific development of faculty and undergraduates. The MERCURY faculty peer-reviewed publication rate from 2001 to 2019 of 1.7 papers/faculty/year is 3.4 times the rate of the physical science faculty at primarily undergraduate institutions. We have worked with over 1000 students on research projects since 2001, and 75% of our undergraduate research students have been under-represented in chemistry, either female or students of color. Approximately half of our alumni attend graduate school for the purpose of obtaining advanced degrees in STEM …

Effects Of Wild Pig Disturbance On Forest Vegetation And Soils, Steven M. Gray, Gary J. Roloff, Daniel B. Kramer, Dwayne R. Etter, Kurt C. Vercauteren, Robert A. Montgomery

USDA Wildlife Services: Staff Publications

In North America, wild pigs (Sus scrofa; feral pigs, feral swine, wild boars) are a widespread exotic species capable of creating large‐scale biotic and abiotic landscape perturbations. Quantification of wild pig environmental effects has been particularly problematic in northern climates, where they occur only recently as localized populations at low densities. Between 2016 and 2017, we assessed short‐term (within ~2 yrs of disturbance) effects of a low‐density wild pig population on forest features in the central Lower Peninsula of Michigan, USA. We identified 16 8‐ha sites using global positioning system locations from 7 radio‐collared wild pigs for sampling.Within each …

Examination Of Practices Used By Ap Computer Science Teachers With Higher Than Average Female Enrollment, Derek J. Miller

Graduate Research Theses & Dissertations

This dissertation examines the practices employed by AP Computer Science A teachers that can help recruit and retain female students in computer science. A survey was sent to teachers to see what practices they used in their classrooms and what practices they thought had the biggest influence on female student recruitment and retention. Of the five practice categories (recruitment, pedagogical, curricular, extracurricular, and mentoring), the survey respondents thought recruitment was the most influential and curricular was the least influential. After the survey, 12 teachers were chosen for interviews because they had a higher enrollment of female students than the rest …

Dynamically Updated Diversified Ensemble-Based Approach For Handling Concept Drift, Kanu Goel, Shalini Batra

Turkish Journal of Electrical Engineering and Computer Sciences

Concept drift is the phenomenon where underlying data distribution changes over time unexpectedly. Examining such drifts and getting insight into the executing processes at that instance of time is a big challenge. Prediction models should be capable of handling drifts in scenarios where statistical properties show abrupt changes. Various strategies exist in the literature to deal with such challenging scenarios but the majority of them are limited to the identification of a particular kind of drift pattern. The proposed approach uses online drift detection in a diversified adaptive setting with pruning techniques to formulate a concept drift handling approach, named …

Sense Of Place And Ways Of Knowing: The Landscape Of Experience For Black, Indigenous, And People Of Color In Natural Resources, Environmental Education, And Place Based Learning, Marie Cadiz Vea

Graduate College Dissertations and Theses

This collaborative qualitative research addresses challenges faced by Black, Indigenous, and People of Color (BIPOC) in higher education and environmental programs as a result of academic imperialism (Chilisa, 2012) and epistemic injustice (McKinnon, 2016), as well as other systemic challenges that marginalize, diminish and invisibilize ways of knowing and narratives of Black, Indigenous, and People of Color. Historic and ongoing erasure of Black, Indigenous, and People of Color from the Land contributes to the perception and narrative that BIPOC are disinterested in environmental issues.

Using a strengths-based perspective, I alongside a circle of nine leaders in the environmental fields collectively …

Transmit Antenna Selection Schemes For Stbc-Sm, Belal Asaati, Ammar Abu Hudrouss

Turkish Journal of Electrical Engineering and Computer Sciences

The coupling of space-time block codes (STBCs) with the spatial modulation (SM) scheme can introduce a spatial diversity to the SM systems. This paper presents antenna selection techniques to provide an additional coding gain with the space-time block coded spatial modulation (STBC-SM). Specifically, the selection of optimal transmit antenna elements at the transmitter to send a spatially modulated space-time block code is studied. This paper studies the effects of applying the capacity optimized antenna selection (COAS) algorithm with the STBC-SM. The COAS algorithm has a suboptimal performance with a trade-off between complexity and bit-error-rate (BER) enhancement. Simulation results for STBC-SM …