QUBES will have scheduled maintenance work on Tuesday, December 17, 2024, beginning sometime between 5 pm PST and 11:59 pm PST, with downtime lasting approximately 30 minutes. All running tool sessions will expire during the maintenance window. Please plan accordingly and we do apologize for any inconvenience. close

You are here: Home / Resources / Browse Resources

Open. Adaptable. Free.

Resources created by our members and partners.

The QUBES platform hosts hundreds of teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Text Search:
Applied Filters
    1977-HI_Freedman-P_Whitman-Mathematical models of population interactions with dispersal
    A system of differential equations is proposed as a model of dispersion between two populations in habitats separated by a barrier.

    Keywords: predatorbarriertwo populationstwo habitats

    135

    views

    50

    downloads

    0

    comments

    0

    adaptations

    Deme 2.0
    This workbook simulates the population genetics of a single gene with two alleles. It can simultaneously model up to three local populations, which may differ in their selection coefficients.

    Keywords: population geneticsGenetic DriftNatural Selection

    118

    views

    84

    downloads

    0

    comments

    0

    adaptations

    Freezer Full of Fossils v2.0
    The Long Term Evolution Experiment started by Dr. Richard Lenski provides a rich dataset to help students explore concepts of fitness, replication, and adaption.

    Keywords: graphingfitnessadaptationcompetitionSpreadsheet

    2182

    views

    1069

    downloads

    0

    comments

    0

    adaptations

    2010-Shaza_Hussein-Predator-Prey Modeling
    The objective of this project was to create five projections of animal populations based on a simple predator-prey model and explore the trends visible.

    Keywords: population dynamicspredator-preylogistic equationEndangered Catsdecreasing populationrabbitsfoxes

    219

    views

    53

    downloads

    0

    comments

    0

    adaptations

    6-040-StruggleForExistence-ModelingScenario
    We use historical data from the 1930's in the Soviet Union and model competition between two species of yeast after modeling each species separately and estimate parameters

    Keywords: competitionlogisticcarrying capacityparamecium

    370

    views

    265

    downloads

    0

    comments

    0

    adaptations

    Human Population Growth and Greenhouse Gas Emissions
    Humans alter the climate by emitting greenhouse gases, by changing planetary albedo, and by altering atmospheric chemistry. Between 1900 and 2000, humans' emissions of carbon into the atmosphere...

    Keywords: demographyhuman populationgreenhouse gas emissions

    363

    views

    457

    downloads

    0

    comments

    0

    adaptations

    Population Genetics: Limits to Adaptation
    This module introduces gene flow in the context of understanding the persistence of maladaptive traits in some populations. It is intended for an introductory biology audience.

    Keywords: LogarithmsAlgebraGenetics and Evolution

    910

    views

    241

    downloads

    0

    comments

    0

    adaptations

    Cohort Life Tables
    This module introduces cohort life tables in the context of understanding demographic processes and how they affect populations. It is intended for an introductory biology audience.

    Keywords: population dynamicsecologyOpenStaxfuncitonsDemographic processes

    1153

    views

    423

    downloads

    0

    comments

    0

    adaptations

    Spotting Interactions: Spotted Salamanders, Beneficial Buffers, and Helpful Hydroperiods
    The purpose of this lesson is to help us better understand how we are able to conserve wetland-dependent wildlife. We will be exploring, manipulating, and analyzing data in R using a Poisson...

    Keywords: Poisson Distributionsalamandersvernal pools

    494

    views

    500

    downloads

    0

    comments

    0

    adaptations

    Web Popgen
    A Hardy-Weinberg simulation program.

    Keywords: Hardy-Weinbergpopulation geneticscomputer simulationsGenetic DriftmutationNatural Selection

    2167

    views

    355

    downloads

    0

    comments

    0

    adaptations

    Global Temperature Change in the 21st Century
    This is an FMN participant modification of the TIEE module "Global Temperature Change in the 21st Century," authored by Daniel R. Taub and Gillian S. Graham in 2011.

    Keywords: ecologyIntroductoryfmnLectureUndergraduateData DiscoveryInstructional SettingAudience LevelActivity LengthMore than 1 hour

    2209

    views

    310

    downloads

    0

    comments

    0

    adaptations

    2011-Radouane_Yafia-A Study of Differential Equations Modeling Malignant Tumor Cells in Competition with Immune System
    In this paper, we present a competition model of malignant tumor growth that includes the immune system response. The model considers two populations: immune system (effector cells) and population...

    Keywords: Immunologytumorhopf bifrucation

    244

    views

    57

    downloads

    0

    comments

    0

    adaptations

    6-011-HumansVsZombies-ModelingScenario
    Students analyze the SIR differential equations model in the context of a zombie invasion of a human population. Students analyze a two equation system representing only two populations, humans...

    Keywords: zombiesinfectionSIR models

    318

    views

    223

    downloads

    0

    comments

    0

    adaptations

    Selection and the Blond Beach Mouse
    National Center for Case Study Teaching in Science- this "clicker" case study explores ultimate and proximate explanations for cryptic coloration in animals.
    1093

    views

    250

    downloads

    0

    comments

    0

    adaptations

    1998-K_H_Louie_Clark-P_C_D_Newton-Analysis of differential equation models in biology-clover meristem populations
    A simple differential equation model (dynamical system) for clover, based on meristem numbers, is outlined and analysed mathematically.

    Keywords: sensitivity analysisstability analysissteady statesgrowing pointsbudsmeristems

    143

    views

    44

    downloads

    0

    comments

    0

    adaptations

    5-023-FakingGause-ModelingScenario
    We use a fake or toy data set to permit discovery of the parameters in a two population protozoan model used to study paramecium and yeast competition in the 1930's studies of G. F. Gause in the...

    Keywords: competitionlogisticyeastGauseparameciumpoplulation

    290

    views

    195

    downloads

    0

    comments

    0

    adaptations

    2016-Banks-EtAl-Modeling Bumble Bee Population Dynamics with Delay Differential Equations
    To provide a tool for projecting and testing sensitivity of growth of populations under contrasting and combined pressures, we propose a delay differential equation model that describes...

    Keywords: population modelReproductionspline approximationsBombus terrestrisneonicotinoidsbumble bee

    201

    views

    55

    downloads

    0

    comments

    0

    adaptations

    2017-Agmour-EtAl-Optimization of the Two Fishermen's Profits Exploiting Three Competing Species Where Prices Depend on Harvest
    The main purpose of this work is to define the fishing effort that maximizes the profit of each fisherman, but all of them have to respect two constraints: the first one is the sustainable...

    Keywords: FishingharvestNash equilibriumoptimizeprofits

    155

    views

    63

    downloads

    0

    comments

    0

    adaptations

    1-109-EmployeeAttrition-ModelingScenario
    This scenario models the loss of employees and the employer's attempt to retain them through stock options. It most naturally is solved with a first-order linear decay model with two populations.

    Keywords: populationlinear growthdecayemployeeattrition

    208

    views

    178

    downloads

    0

    comments

    0

    adaptations

    Introduction to Data Management, Life History, and Demography
    Learning Goals: • explain importance of data management • identify elements of an organized data sheet • create & manipulate data in a spreadsheet • calculate vital statistics using life...

    Keywords: Resources @ ESA - TIEEdemographysurvivorshipdata managementlife tables

    1339

    views

    1534

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search