Environment statistics

Environment statistics

The development of methodologies and data collection in support of the development and harmonization of national and international statistics on the environment.

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Environment statistics

slash-and-burn agriculture

Environment; Environment statistics

Method of cultivation whereby areas of the forest are burnt and cleared for planting. When soil fertility declines, cultivation shifts to a new plot.

biologic erosion

Environment; Environment statistics

Erosion of soil as a result of soil's being exposed to water or wind by the burrowing of rodents, and or the destruction of vegetation by insects.

denitrification

Environment; Environment statistics

Natural source of dinitrogenoxide (N2O) from the bacterial or chemical reduction of nitrates in water or soil, producing first nitrites, then nitrogen.

air-conditioning

Environment; Environment statistics

Process used for controlling the temperature, humidity and cleanliness of the air and bringing them to certain specified levels in rooms and buildings.

life expectancy at birth

Environment; Environment statistics

The number of years a newborn infant would live if prevailing patterns of mortality at the time of its birth were to stay the same throughout its life.

net present value

Environment; Environment statistics

Present value of an investment, found by discounting all current and future streams of income by an appropriate rate of interest. See market valuation.

toxicity

Environment; Environment statistics

Ability of a substance to cause poisonous effects resulting in severe biological harm or death after exposure to, or contamination with, that substance.