Qidiruv

a spread form of phenological reference books on seasonal dynamics, indicating phenomena and phenodates of their coming in the world of nature (at a level of particular t

magnitude of anthropogenous loading counted on the basis of ecological rules and obtaining the legal status. Has temporary nature conditioned by a level of development of

soils, in which the negative processes of anthropogenous or natural character have lead to a decrease in productivity or quality of commodity and, accordingly, growth of

considerable spaces in ozone atmospheric layer (ozonosphere) with noticeably lowered (up to 50 %) contents of ozone. O.h. are causing the heightening of ultraviolet radia

sharp growth of population on the Earth in the 20th century, related to the changed socio-economical and general ecological living conditions (including the level of heal

Legal acts being a part of the environmental regulatory system in the Soviet Union are still applied in the territory of CIS countries. Sanitary norms set requirements on