This confusion is, in part, what prompted me (3) to slightly redefine a reservoir (of infection) as an ecologic system
in which an infectious agent survives indefinitely.
Some definitions imply that a reservoir comprises only one species; other definitions suggest that an ecologic system
may act as a reservoir (16,18).
Systems Approach C Water resources planning and management should be watershed-based using systems analysis methods and tools to understand, assess and model the interconnected nature of hydrologic watersheds/systems, the economic and ecologic systems
they support, and identify and evaluate management alternatives and holistic inputs and outputs.
He urged epidemiologists to, in his words, escape "the prison of the proximate"; that is, in the study of population health, epidemiologists should look beyond individual-level risk factors to the roles of social and ecologic systems
The Minister also explained that "despite Lebanon' s small size and its limited gas emissions in comparison with other countries all over the world, it [Lebanon] is one of the countries mostly affected by the climate change, especially in the field of agriculture, water resources and ecologic systems
has been asked to clean up both Lady Godiva and Peeping Tom at the top of Hertford Street, along with Phoenix - the bronze by Allesley artist George Wagstaffe at the bottom of the street.