Agents are defined as entities embedded in an environment with which they interact; they are able to see it through sensors and act upon it through actuators (Russell and Norvig 1995).

In the model the agents occupy cells that depict the agent identification.

Agents have the following attributes:

• Vision: value (number of cells in the neigborhood) defining the range of vision of the agent to search for resources on the landscape.

• Resources spent to survive: value defining the amount of resource necessary to survive at each model step.

• Maximum absorption of resources: value defining maximum capacity for absorption of resources of agent per model step.

• Resources spent to move: value representing the amount of resources an agent spends to move across a cell per model step.

• Average age: value that represents the average of a normal distribution that determines the likelyhood of agent death at a model time step.

• Type: represents the group which the agent belongs.

Attribute values and Parameters

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