The process to maintain aquatic resources that are important to fisheries, such as assessment of aquatic stocks, environmental monitoring and fishery regulation enforcement.

The occupation or reservation of land or water area for any human activity or any defined purpose. It also includes use of the air space above the land or water.

Good management of soils assures that mineral elements do not become deficient or toxic to plants, and that appropriate mineral elements enter the food chain.

Planned development, distribution and use of water resources, in accordance with predetermined objectives and with respect to both quantity and quality of the water resources. [AGROVOC]