QUBES will have scheduled maintenance work beginning on Wednesday, June 26, 2024, 4pm ET/1pm PT. The platform will operate normally for most of the day, except for an extended outage period lasting no more than 4 hours. All running tool sessions will expire during the maintenance window. Please plan accordingly and we do apologize for any inconvenience. close

Text Search:
Applied Filters
    Breaking It Down: What Factors Control Microbial Decomposition Rates?
    Demonstrating and modeling changes in ecosystem processes in the laboratory classroom can be logistically difficult and expensive. This complexity often leaves little time for students to generate...
    467

    views

    28

    downloads

    0

    comments

    0

    adaptations

    1-078-MonodGrowthModel-ModelingScenario
    Students model growth of bacteria E. coli in a limiting nutrient environment using data from a historical study.
    125

    views

    108

    downloads

    0

    comments

    0

    adaptations

    Bacteria to Brains in Backyard Coyotes: An Interdisciplinary Pedagogical Case Study
    Our interdisciplinary pedagogical case study explores the differences between rural and urban coyotes at the levels of organismal and community ecology. The focus is on how coyotes’ gut...
    2518

    views

    294

    downloads

    0

    comments

    0

    adaptations

    Bacteria to Brains in Backyard Coyotes: An Interdisciplinary Pedagogical Case Study
    Our interdisciplinary pedagogical case study explores the differences between rural and urban coyotes at the levels of organismal and community ecology. The focus is on how coyotes’ gut microbiomes...
    268

    views

    43

    downloads

    0

    comments

    0

    adaptations

    Snail Races: An Inquiry-Based Approach to Learn Invasive Species Ecology
    Inquiry-based lessons allow learning that is hands-on and student-driven, fostering engagement and retention of knowledge in any discipline. Here, we use this learning framework to engage students...
    1501

    views

    82

    downloads

    0

    comments

    0

    adaptations

    A rainforest with a gold chain? The impacts of gold mining on the trophic web of an Amazonian rainforest of SE Peru
    The use of mercury in artisanal gold mining affects aquatic and terrestrial food webs in the Peruvian Amazon. Learn about bioaccumulation, explore data on mercury deposition in vegetation and how...
    4215

    views

    87

    downloads

    0

    comments

    0

    adaptations

    Defenses against predation: Interpreting graphs of predator behavior
    In this lesson, students discuss anti-predator defense mechanisms and the types of cues defenses provide to predators. Students then interpret graphs of behavior of arthropod predators when...
    437

    views

    332

    downloads

    0

    comments

    0

    adaptations

    Global Dietary Habits in Relation to Adult Obesity
    With global obesity rates continually increasing, an analysis of the relationship between dietary patterns and global obesity rates was performed with datasets representing sugar consumption,...
    283

    views

    90

    downloads

    0

    comments

    0

    adaptations

    Using IPAT to Measure Urban Sustainability
    Urban sustainability can be complicated to measure because sustainability means different things to different people. This challenge can be partially overcome through adoption of a guiding...
    291

    views

    243

    downloads

    0

    comments

    0

    adaptations

    2017-Xiang_Liu-Mathematical Studies of Optimal Economic Growth Model with Monetary
    In this paper, efforts will be made to study an extended Neoclassic economic growth model derived from Solow-Swan Model and Ramsey-Cass-Koopsman Model.
    181

    views

    70

    downloads

    0

    comments

    0

    adaptations

    2018-Banerjee-EtAl-Prey-Predator Model with a Nonlocal Bistable Dynamics of Prey
    The primary goal of our present work is to consider nonlocal consumption of resources in a spatiotemporal prey-predator model with bistable reaction kinetics for prey growth in the absence of...
    97

    views

    71

    downloads

    0

    comments

    0

    adaptations

    2007-Mogen_Steffensen-Differential Equations in Finance and Life Insurance
    The mathematics of finance and the mathematics of life insurance were always intersecting. Life insurance contracts specify an exchange of streams of payments between the insurance company and the...
    106

    views

    37

    downloads

    0

    comments

    0

    adaptations

    2016-Rob_deBoer-Population Dynamics  A Graphical Approach
    This book is an introduction into modeling population dynamics in ecology. Because there are several good textbooks on this subject, the book needs a novel ecological niche to justify its existence.
    150

    views

    47

    downloads

    0

    comments

    0

    adaptations

    2019-Fan_ Li_ Yin- Impact_of_environmental_tax_on_green_development-nonlinear_dynamical_system_analysis
    This study analyzes the impact of environmental tax on green development by using a four-dimension dynamical system.
    111

    views

    40

    downloads

    0

    comments

    0

    adaptations

    Advancing Global Learning Through a Collaborative Online International Learning (COIL) Module on the United Nations Sustainable Development Goals (UN SDGs)
    An increasingly interconnected world presents opportunities for globally relevant curricula in the classroom. Implementing collaborative online international learning (COIL) modules within...
    1961

    views

    169

    downloads

    0

    comments

    0

    adaptations

    Three Research-Based Quantitative Reasoning Modules for Introductory Organismal Biology Laboratories
    We have designed three laboratory modules for an introductory organismal biology course with an emphasis on quantitative reasoning and data analysis skills. Module 1 tests for dimorphism in...
    3441

    views

    164

    downloads

    0

    comments

    0

    adaptations

    Is Earth Currently Undergoing a Sixth Mass Extinction?
    The five Phanerozoic mass extinctions were central in shaping biodiversity on Earth today. Due to increasing biodiversity losses, there is debate about whether we are currently undergoing a sixth...
    3591

    views

    381

    downloads

    0

    comments

    0

    adaptations

    HSI - Student Research Journal - Vol.2 Issue 1 - Spring 2021
    The Headwaters Research Experience students have produced some fascinating research throughout our 10-week program. We encourage all to read their reports in our Vol. 2 - Issue 1 - Spring 2021...
    443

    views

    84

    downloads

    0

    comments

    0

    adaptations

    1-137-SheepGraze-ModelingScenario
    In this activity, students will apply graphical analysis (such as phase lines) to determine the long-term predictions of a differential equation model for pasture grass using two different formulas...
    176

    views

    159

    downloads

    0

    comments

    0

    adaptations