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| occurs when the number of organisms of the same or different species utilize common resources that are in short supply or when the organisms harm one another in the process of acquiring these resources |
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| a pathological condition of an organism resulting from various causes, such as an infection, a genetic disorder, or environmental stress, with specific symptoms |
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| the eating of parts of plants by animals, not typically resulting in plant death |
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| a method of casting the age-specific reproductive schedule the age-specific mortality schedule of a population in matrix form so that predictions of future population change can be made |
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| a specific population growth model based on the logistic equation that predicts an S-shaped population growth curve |
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| a family of models of population change based on matrix algebra, with the Leslie matrix model being the best known |
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| the general problem of what prevents populations from growing without limit, and what determines the average abundance of a species |
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| the action of one organism killing and eating another |
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Definition
in contrast to deterministic models, including an element of probability so that repeated runs of the models do not produce exactly the same outcome
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Definition
a single annual breeding season with non-overlapping generations
Nt+1=RoNt
N=population size t-time
Ro= net reproductive rate per generation |
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Definition
a mixture of ages interbreeding-more complex
dN
---- =rN
dt |
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Term
| limited population growth |
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Definition
logistic growth
dN rN(K-N)
--- = ---------
dt K |
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