International Commission on Irrigation & Drainage Commission Interationale des Irrigation et du Drainage



(9302) Ecosystem
1 - A distinct system of interacting living organisms, together with their physical environment. The boundaries of what could be called an ecosystem are somewhat arbitrary, depending on the focus of interest or study. Thus the extent of an ecosystem may range from very small spatial scales to, ultimately, the entire Earth. 2 – See 6574.

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