Scientists are studying and quantifying the impacts of water level fluctuations on the biological and socio-economic components of the ecosystem. (St. Lawrence Vision 2000)

In the St. Lawrence, seasonal and annual water level variations are crucial for most components of the ecosystem, as well as for related uses of the river.

http://www.slv2000.qc.ca/bibliotheque/lefleuve/vol11no4/volume11_4_accueil_a.htm

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