Russia's entirely natural ecosystems are conserved in nearly 15,000 specially protected natural territories of various statuses, occupying more than 10% of the country's total area. They include 45 UNESCO biosphere reserves, 64 national parks, and 101 nature reserves. Russia still has many ecosystems which are still untouched by man—mainly in the northern taiga areas and the subarctic tundra of Siberia. Over time the country has been having improvement and application of environmental legislation, development and implementation of various federal and regional strategies and programmes, and study, inventory and protection of rare and endangered plants, animals, and other organisms, and including them in the Russian Red Data Book.