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  2. Soil conservation - Wikipedia

    en.wikipedia.org/wiki/Soil_conservation

    Soil conservation. Contour plowing in Pennsylvania in 1938. The rows formed slow surface water run-off during rainstorms to prevent soil erosion and allow the water time to infiltrate into the soil. Soil conservation is the prevention of loss of the topmost layer of the soil from erosion or prevention of reduced fertility caused by over usage ...

  3. Freshwater ecosystem - Wikipedia

    en.wikipedia.org/wiki/Freshwater_ecosystem

    Freshwater ecosystems are a subset of Earth's aquatic ecosystems. They include lakes, ponds, rivers, streams, springs, bogs, and wetlands. [1] They can be contrasted with marine ecosystems, which have a larger salt content. Freshwater habitats can be classified by different factors, including temperature, light penetration, nutrients, and ...

  4. Land degradation - Wikipedia

    en.wikipedia.org/wiki/Land_degradation

    Land degradation is a process in which the value of the or biophysical or biochemical environment is affected by a combination of natural or human-induced processes acting upon the land. [1][2] It is viewed as any change or disturbance to the land perceived to be deleterious or undesirable. [3] Natural hazards are excluded as a cause; however ...

  5. Environmental protection - Wikipedia

    en.wikipedia.org/wiki/Environmental_protection

    Environmental protection. Environmental protection is the practice of protecting the natural environment by individuals, groups and governments. [ 1 ] Its objectives are to conserve natural resources and the existing natural environment and, where it is possible, to repair damage and reverse trends.

  6. Resource depletion - Wikipedia

    en.wikipedia.org/wiki/Resource_depletion

    Resource depletion is the consumption of a resource faster than it can be replenished. Natural resources are commonly divided between renewable resources and non-renewable resources. The use of either of these forms of resources beyond their rate of replacement is considered to be resource depletion. [1] The value of a resource is a direct ...

  7. Environmental impact of agriculture - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    The environmental impact of agriculture is the effect that different farming practices have on the ecosystems around them, and how those effects can be traced back to those practices. [1] The environmental impact of agriculture varies widely based on practices employed by farmers and by the scale of practice.

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