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Japan has significant diversity in flora. Of approximately 5,600 total vascular plant species, almost 40% are endemic. [1] This richness is due to the significant variation in latitude and altitude across the country, a diversity of climatic conditions due to monsoons, and multiple geohistorical incidences of connections with the mainland.
Japan lies at the convergence of three terrestrial realms, the Palearctic, Indomalaya, and Oceania, and its flora and fauna combine elements from all three.The ecoregions that cover the main islands of Japan, Honshū, Hokkaidō, Kyūshū, and Shikoku, along with the nearby islands, are considered part of the Palearctic realm.
Many plants have been introduced to Japan from mainland Asia including important crops like rice and garden plants such as the chrysanthemum. Since the Meiji Restoration, increasing numbers of plants have come from Europe, North America and elsewhere. Native food plants include the water dropwort (Oenanthe javanica) and wasabi (Wasabia japonica).
Relief map of the land and the seabed of Japan. It shows the surface and underwater terrain of the Japanese archipelago. Japan's sea territory is 4,470,000 km 2 (1,730,000 sq mi). [13] Japan ranks fourth with its exclusive economic zone ocean water volume from 0 to 2,000 m (6,600 ft) depth.
Japan is within the larger region of East Asia. For the purposes of this category, "Japan" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions . That is, the geographic region is defined as including the following areas, typically defined by the political boundaries of its constituents:
The Yaeyama Islands are home to numerous species of subtropical and tropical plants and mangrove forests. [3] [11] The islands produce sugarcane and pineapples.[2] [12]Coral reefs around the islands are ideal habitats for dolphins, sea turtles, and larger fish such as manta rays and whale sharks.
Geography of Japan by location (9 C) ... Maps of Japan (7 P) ... List of extreme points of Japan; List of Japanese map symbols; M.
Japan sea map. The earliest known term used for maps in Japan is believed to be kata (形, roughly "form"), which was probably in use until roughly the 8th century.During the Nara period, the term zu (図) came into use, but the term most widely used and associated with maps in pre-modern Japan is ezu (絵図, roughly "picture diagram").