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process and result of mastering of systematic knowledge, skills and experience with the purpose of scientifically reasoned realizations of measures on natural conservatio

a list of rare and extinction threatened organisms; there are distinguished international, national and local versions of R.b. as well as separate R.b. of plants, animals

1) a number of a given species per a unit of area or in population; 2) total number of individuals living (independently from their systematic belonging) in a particular

is a traditional education for Russia, a type of general secondary education, which involves the systematic study of ancient languages and mathematics as the main subject

['sıstəm] 1) sistema, tizim; metob, uslub 2) tuzum; tuzilish; social system jamoat tuzumi, 3) tarmoq, shahobcha; ijtimoiy tuzum; railway system temir yo'l tarmog'i; syste

The process and assessment procedure used by the enterprises to judge if the monitoring facilities and measures are in conformity with a specific standards. Certification