Speeding Snowmelt to Control Snow Mold

The high level of snowpack in the winter of 2022–2023 created a renewed interest in speed-melting snow to prevent snow mold on winter wheat crops, golf courses, and homeowners’ lawns. Snow molds are diseases caused by fungi growing under snow cover or in cool, wet weather. Winter wheat can be infected by three types of snow molds, while turf grasses can be infected by two kinds of snow molds. Plants will have a bleached color for pink snow mold or a thin layer of white or gray mycelium leaving the plants gray or white after they dry out for gray snow mold. This fact sheet will discuss ongoing research in Utah aimed at using soil amendments to speed the melting of snow to reduce snow mold pressure for small grains

2003 Convocation

Prelude: Drew Massey, 1999 IMSA Graduate Pledge of Allegiance: Nisha Wadhwani, Student Council President Welcome: Nisha Wadhwani, Student Council President; Dr. Stephanie Pace Marshall, President; Eric McLaren, Principal Musical Selection: Drew Massey, 1999 IMSA Graduate Keynote Speaker: Cynthia Morales, 1992 IMSA Graduat

Attainability of Accurate Age Frequencies for Ocean Quahogs (Arctica islandica) Using Large Datasets: Protocol, Reader Precision, and Error Assessment

Ocean quahogs (Arctica islandica) are the longest lived bivalve on Earth. Individuals on the deep continental shelf off Georges Bank can survive for centuries, and in the colder, boreal waters of Iceland, ages over 500 y can be reached. Ocean quahog landings in the United States represent a $24 million industry, yet assessment models operate with no age data because of the substantial sample size required to develop adequate population age distributions for such a long-lived species, the unknown error associated with age estimates, and the extensive time and financial investment required to create production-scale age datasets. Inclusion of age data for this species requires precision metrics to evaluate aging uncertainty such as percent agreement, percent error, coefficient of variation, and tests of bias. To move forward using error-validated age-composition data, a 3-fold error protocol was developed using a large dual-reader dataset (n = 610) from Georges Bank. First, a proxy age-validation study was performed to corroborate an aging method, followed by error evaluation in the context of age-reader bias, precision, and error frequency. Error thresholds were established for each of the three error methods. Georges Bank samples ranged from 33 to 261 y of age and met the predetermined error thresholds for bias (conditionally because of significant and nonsignificant results), precision (average coefficient of variation less than 7%), and error frequency (less than 10%). Consequently, age estimates were deemed acceptable to support age frequency analyses. Precision and bias error were greatest for the youngest animals and, in the context of age-reader bias, error rates were higher for young male ocean quahogs than for young females. Improved age validation of young, sex-differentiated A. islandica will constrain aging error and guide refinement of both aging and age-error protocols

2004 Convocation

Prelude: Drew Massey, 1999 IMSA Graduate Pledge of Allegiance: Grant Keaton, Student Council President Welcome: Grant Keaton, Student Council President; Dr. Stephanie Pace Marshall, President; Eric McLaren, Principal Musical Selection: Drew Massey, 1999 IMSA Graduate Keynote Speaker: David Kung, 1989 IMSA Graduat

1999 Convocation

Prelude: Mr. Drew Massey, 1999 IMSA Graduate Pledge of Allegiance: Ms. Donielle Newell, Student Council President Welcome: Ms. Donielle Newell, Student Council President; Dr. Stephanie Pace Marshall, President; Mr. Eric McLaren, Principal Musical Selection: Mr. Drew Massey Keynote Speaker: Ms. Marcie Edwards Hawkins, 1989 IMSA Graduat

2005 Convocation

Prelude: Scott Smedinghoff, 2005 IMSA Graduate Pledge of Allegiance: Codi Kuhlemeier, Student Council President Welcome: Codi Kuhlemeier, Student Council President; Dr. Stephanie Pace Marshall, President; Dr. Eric McLaren, Principal Musical Selection: Scott Smedinghoff, 2005 IMSA Graduate Keynote Speaker: Joshua A. Gerlick, 1999 IMSA Graduat

Discovering and Developing Diverse STEM Talent: Enabling Academically Talented Urban Youth to Flourish

The Growing Excellence Gap in K-12 Education, Plucker, Burroughs, and Song (2010) provided compelling evidence that the presence of an excellence gap is demonstrated on both national and state assessments of student performance, with economically disadvantaged, English Language Learners, and historically underprivileged minorities representing a smaller proportion of students scoring at the highest levels of achievement (p. 28). Three case stories of students from IMSA illuminate some of the (a) challenges and opportunities inherent in igniting STEM talent in urban youth and ensuring their success; (b) principles for designing and creating learning experiences and environments that ignite and nurture the development of creative, ethical scientific minds (IMSA, 2009); and (c) institutional lessons that have become clear to us after more than two decades of developing diverse STEM talent

2000 Convocation

Prelude: Drew Massey, 1999 IMSA Graduate Pledge of Allegiance: Pooja Agarwal, Student Council President Welcome: Pooja Agarwal, Student Council President; Dr. Stephanie Pace Marshall, President; Eric McLaren, Principal Musical Selection: Drew Massey, 1999 IMSA Graduate Keynote Speaker: John E. Turlais, 1992 IMSA Graduat

2001 Convocation

Prelude: Kathleen King, 2001 IMSA Graduate Pledge of Allegiance: Danny Yagan, Student Council President Welcome: Danny Yagan, Student Council President; Dr. Stephanie Pace Marshall, President; Eric McLaren, Principal Music Selection: Kathleen King, 2001 IMSA Graduate Keynote Speaker: B. Scott Gaudi, 1991 Graduat