Rebuilding nature's filters: the reclamation of streams

Article Abstract:

Streams that once were the object of improvement like channelization are now being restored to their natural state. In Denmark, the government is working out a project to revive the channelized Skjerna River. In other countries worldwide, people have realized the natural ability of streams to take in agricultural, as well as industrial wastes. They also serve as habitat for fish, wildlife and plants. The restoration process involves the creation of buffer strips, meanders, riffle pools and revegetation. This method is easy to maintain and entails minimal cost.

Rivers

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Lake sediments record sensitivity of two hydrologically closed upland lakes in Mexico to human impact

Article Abstract:

Evidence of rapid, recent environmental change in two lakes, Lago de Zirahuen and Laguna de Juanacatlan in the highlands of central Mexico is provided. These lakes appear to be highly sensitive to changes in the catchment exploitation, which must be considered in the future drainage basin management.

Mexico, Lakes, Lake sediments

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