I consider the temporal dynamics generated by a life cycle consisting of two contiguous stages developing under the influence of a stimulus which pulsates between on and off. Network analysis is developed from Leontief's economic input-output analysis and Shannon's information theory. Each arc is an ecological flow network can have an associated value. The value represents the magnitude of flow that occurs from the initial to the terminal node of the arc in a given unit time.
Total analysis is based on matrix orientation.
From network analysis, total system throughput, ascendency, development capacity, flow diversity, flow specialization, dependency coefficient, contribution coefficient, Finn cycling index and redundancy of the system are measured. This analysis is performed in a 14 species benthic food web of a reclaimed island of Sundarban mangrove ecosystem, India. Further theoretical and experimental directions are opened for audience discussion. Epidemic systems are presented having a spatial structure due to interaction with environmental pollution produced by a positive feedback mechanism by the human infected population. In presence of sigma-type forces of infection, a saddle point structure occurs.