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
    2017-Gilbert-Lewis-Harvesting of renewable natural resource
    This is a resource to accompany a commercial text book and has a tutorial nature with some analysis and several good exercises

    Keywords: logisticmaximum sustainable yieldwhaleharvestrenewable resourceconstant harvest

    132

    views

    63

    downloads

    0

    comments

    0

    adaptations

    2017-Anders_Kallen-Single species models in continuous time
    Part of a series of Lecture notes this lecture contains rich materials on logistic harvest models, spruce budworms, and chemostat.

    Keywords: chemostatlogisticharvestspruce budworm

    114

    views

    57

    downloads

    0

    comments

    0

    adaptations

    2012-Murray_Bourne-Modeling fish stocks
    Discusses many models of harvesting and consequences.

    Keywords: fishlogisticmanagementsusustainable developmentharvestfish stockoverpopulatedunsustainable

    114

    views

    45

    downloads

    0

    comments

    0

    adaptations

    2006-TK_Kar-Controllability and optimal harvesting of a prey–predator model incorporating a prey refuge
    This paper deals with a prey–predator model incorporating a prey refuge and harvesting of the predator species.

    Keywords: survivalpredator-preyharvestrefugePontryagin’s maximal principlehidingoptimal harvest

    150

    views

    50

    downloads

    0

    comments

    0

    adaptations

    2008-Ratneesh_Suri-Optimal harvesting strategies for fisheries-differential equations approach
    We develop and investigate the harvesting model in both deterministic and stochastic settings. We first employ the Expected Net Present Value approach and determine optimal harvesting policy using...

    Keywords: optimal controlsustainable yieldmaximum sustainable yieldharvestExpected Net Present Valuecalculus of variationsdynamic programmingmaximum economic yield

    91

    views

    44

    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

    88

    views

    39

    downloads

    0

    comments

    0

    adaptations

    Introduction to Python for Data Science Course
    Free Introduction to Python for Data Science Course at DataCamp

    Keywords: data scienceonline learningcoursepythonfree

    1114

    views

    234

    downloads

    0

    comments

    0

    adaptations

    2000-Idels-Wang-Harvesting Fisheries Management Strategies With Modified Effort Function
    This study concludes that a control parameter beta (the magnitude of the effect of the fish population size on the fishing effort function E), changes not only the rate at which the population goes...

    Keywords: sustainabilityfishFishingmanagementharvestfisherstrategyoverfishing

    119

    views

    39

    downloads

    0

    comments

    0

    adaptations

    2015-Doust-Saraj-The logistic modeling population having harvesting factor
    The present paper deals with the logistic equation having harvesting factor, which is studied in two cases constant and non-constant.

    Keywords: logisticharvestharvesting factor

    106

    views

    63

    downloads

    0

    comments

    0

    adaptations

    1-070-FisheryHarvest-ModelingScenario
    Students model with logistic growth, harvesting, and diffusion in analyzing ocean fisheries of the Atlantic cod. We help students build models, ever more complex, to capture physical realities. At...

    Keywords: logisticDiffusionmanagementharvestfishery

    1061

    views

    1212

    downloads

    0

    comments

    0

    adaptations

    1-135-FishHarvesting-ModelingScenario
    This short activity will walk students through a guided list of questions to help them to understand how the stability of equilibrium changes with changes in a model parameter, in this case the...

    Keywords: population dynamicsfishstabilitybifurcationharvest

    210

    views

    181

    downloads

    0

    comments

    0

    adaptations

    Examining human impacts on tusk evolution in elephants using authentic research data using Serenity
    In this activity students explore and analyze real, authentic research data paired with HHMI’s “Selection for Tuskless Elephants” video in a hands-on investigation of human impacts on elephant...
    1573

    views

    957

    downloads

    0

    comments

    0

    adaptations

    2015-Sebesyen-Farago-Invasive Species Model with Linear Rat Harvesting on Easter Island
    In this paper we suggest a natural modification of this model. Namely, we will investigate the case where the amount of the rats is decreased due to some external factor, e.g., exterminations by...

    Keywords: carrying capacityharvestEaster Islandinvasie especiesratsRoughgarden theorem.

    109

    views

    52

    downloads

    0

    comments

    0

    adaptations

    1-127-FishHarvesting-ModelingScenario
    We offer students a harvesting model for operating a fishery over a 25 year horizon and ask them to write a report on optimal harvesting policy with their analyses for fishing industry experts (not...

    Keywords: Management Of Dataoptimal controlfisherieslogisticharvestingmaximum sustainable yield

    238

    views

    166

    downloads

    0

    comments

    0

    adaptations

    Examining human impacts on tusk evolution in elephants using authentic research data
    In this activity students explore and analyze real, authentic research data paired with HHMI’s “Selection for Tuskless Elephants” video in a hands-on investigation of human impacts on elephant...
    2418

    views

    5010

    downloads

    0

    comments

    1

    adaptations

    2010-Kar-Chakraborty-Bioeconomic_modelling_of_a_prey_predator_system_using_differential_algebraic_equations
    We propose a biological economic model based on prey-predator dynamics where the prey species are continuously harvested and predation is considered with type II functional response.

    Keywords: economicsbifurcationharvestfisheryequilibriumdifferential algebraic equation

    112

    views

    31

    downloads

    0

    comments

    0

    adaptations

    A Rapid Genetic Screen Using Wisconsin Fast Plants®: A Hands-On Approach to Inheritance of de novo Mutations
    Some concepts in genetics, such as genetic screens, are complex for students to visualize in a classroom and can be cumbersome to undertake in the laboratory. Typically, very large populations are...

    Keywords: mutationInheritancegermlinesomaplant lifecycle

    2119

    views

    139

    downloads

    0

    comments

    0

    adaptations

    Design Your Own Flow Cytometry Experiment: A Four-Week Inquiry Laboratory
    Due to its importance to the field, flow cytometry should be one of the hallmark methods a student learns in the lab portion of an undergraduate immunology course. Flow cytometry is a classic lab...

    Keywords: Immunologyexperimental designFlow cytometryMice

    3934

    views

    611

    downloads

    0

    comments

    0

    adaptations

    How Many Squirrels Are in the Shrubs? A Lesson Plan for Comparing Methods for Population Estimation
    Estimating the population sizes of animals is a key skill for any student interested in ecology, conservation, or management. However, counting animals in natural habitats is difficult, and the...

    Keywords: population ecologywildlife managementpopulation estimationsciuridaeSquirrel-Net

    2658

    views

    434

    downloads

    0

    comments

    0

    adaptations

    Evaluating the Quick Fix: Weight Loss Drugs and Cellular Respiration
    One key to student success in introductory and cell biology courses is a foundational knowledge of cellular respiration. This is a content area in which students often harbor misconceptions that...

    Keywords: data analysisCellular RespirationElectron Transport ChainEnergy transformationsMitochondriaOxidative phosphorylationWeight loss drugs24-dinitrophenol (DNP)

    3672

    views

    1229

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search