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Rivnens'kiy Nature Reserve is the 2nd largest nature reserve in the Ukraine. It was established by the President of the Ukraine, Leonid Danylovych Kuchma, on April 3, 1999, with an area of 470,468 km2. In accordance with the Resolution of the Cabinet of Ministers of Ukraine on August 14, 2003, the reserve was permanently transferred to a land area of 42,288 km2. ==Geography== The territory of the reserve consists of four separate areas which have had Conservation status since 1984: * Landscape Area: "White Lake" (Volodymyretska district) * Zoological Area: "Perebrodivskyy" (Dubrovitsky and Rokytnivskyi districts) * Botanical Area: "Sira Poguonya" (Rokytnivskyi district) * Hydrological Area: "Somyno" (Sarny district) This is the largest area Ukraine has taken under protection, and the best preserved area of bog massifs. The reserve was created to preserve the natural state of typical and unique natural complexes of the Ukraine Polissya. As a result of Ukraine’s geographical position, the reserve belongs to the Volyn Polissya zone of mixed forests. It exemplifies the main landscape features characteristic of this part of Ukraine: the flat terrain, predominance of sand, surplus moisture, high forestation, and swamps. The "Belaazyorsk" Array forms part of the "Verhnopryp'yatskoho" physiographic region where many large lakes and floods originate. About 10% of the area is occupied by swamps. The "Somyno," "Sira Poguonya," and "Perebrody" Arrays belong to "Nyzhnohorynskoho" physiographic region. This area is the most waterlogged part of Ukrainian Polissya. Bogs occupy about 20% of the area. In geographical terms, it is a plain with a foundation of bedrock that lies at a depth of 200 meters and is covered by ice, glaciers, and alluvial sediments. Among the four areas of the reserve, moraines were found only in White Lake. The soil in all four areas consists mostly of peat.〔http://rpz.org.ua/geologichna-budova.html〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Rivnens'kiy Nature Reserve」の詳細全文を読む スポンサード リンク
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