A simple simulation used to observe the California Yellowtail population in San Diego

A quick population rate model to help get acquainted to modular designs.

Influence of migration on the number of working-age population.

Rūta Grasberga

1st Model, Population Model

This simulation examines the linkages between cultural, material, spatial demographic, and hierarchical dynamics.

Shows the ecological impact of population.

Influence of migration on the number of working-age population.

Exponential growth model for humans, based on birth rate and death rate, both a function of consumption.

Migration Rate​https://www.indexmundi.com/russia/net_migration_rate.html

This simulates population growth, culture, energy, and land use. Parameters are somewhat arbitrary, and can be tailored to a specific urban system using real data.

Simulation of how tiger population and anti poaching efforts effect the black market value of tiger organs.

Show prediction of birth and death rate over time, creating the elements of the demographic transition. This one is for Morocco.

Modelagem do estado psicológico de uma população. Inicialmente, todos os indivíduos estão no estado "Calmo". Com o passar do tempo e com as interações mútuas, há o surgimento e progressivo aumento do total de indivíduos com raiva (estado "Raivoso"). Deste estado e, com o passar do tempo, os indivíduos podem evoluir mentalmente e atingirem o estado "Indiferente", nos quais eles se tornam indiferentes à qualquer interação. Outra possibilidade é o indivíduo se enriquecer e, assim, atingir a felicidade (estado "Feliz").

Adapted from Hartmut Bossel's "System Zoo 3 Simulation Models, Economy, Society, Development."

​Population model where the population is summarized in four age groups (children, parents, older people, old people). Used as a base population model for dealing with issues such as employment, care for the elderly, pensions dynamics, etc.

This is a first attempt to model I=PAT population growth. Impact on the renewables is equal to P*A*T. Footprint is limited by the amount of renewables left divided by the population. Death rate goes up if the Footprint goes down too far.

This is a basic BIDE (birth, immigration, death, emigration) model.  Not all parts are implemented, however Birth and Death are.

This is a basic BIDE (birth, immigration, death, emigration) model.  Not all parts are implemented, however Birth and Death are.