Search results
Results from the WOW.Com Content Network
Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other alteration in the natural soil environment.
Español: En este archivo se muestra información recolectada sobre la degradación y contaminación del suelo en Chile. Se muestran las principales causas, sus efectos y qué opciones existen para contrarrestar este efecto.
Soil retrogression and degradation are two regressive evolution processes associated with the loss of equilibrium of a stable soil.Retrogression is primarily due to soil erosion and corresponds to a phenomenon where succession reverts the land to its natural physical state.
As per the Millennium Ecosystem Assessment of 2005, land degradation is in defined as "the reduction or loss of the biological or economic productivity of drylands". [6] A similar definition states that land degradation is the "degradation, impoverishment and long-term loss of ecosystem services".
This damage is an average of 2,000 hectares of irrigated land in arid and semi-arid areas daily for more than 20 years across 75 countries (each week the world loses an area larger than Manhattan)...To feed the world's anticipated nine billion people by 2050, and with little new productive land available, it's a case of all lands needed on deck.—principal author Manzoor Qadir, Assistant ...
Soil compaction is not a recent issue. Before the beginning of mechanized agriculture, the usage of plough-pans was associated with soil compaction. [6] However, multiple studies have shown that modern farming techniques increase the risk of harmful soil compaction.
Contaminants of emerging concern (CECs) is a term used by water quality professionals to describe pollutants that have been detected in environmental monitoring samples, that may cause ecological or human health impacts, and typically are not regulated under current environmental laws.
San Diego–Tijuana is an international transborder agglomeration, [5] straddling the border of the adjacent North American coastal cities of San Diego, California, United States, and Tijuana, Baja California, Mexico.