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湘鄂(湖南、湖北)地处长江流域中游,属于亚热带季风气候,光照充足,热量丰富,雨水充沛,自然条件十分优越。其特征是≥10℃积温4,800—5,800℃,年降水量1,200—2,200毫米,有亚热带常绿阔叶林天然植被;农作物生长期230天,水稻一年两季,作物四季长青;珙桐、香果树、银杉和毛红椿等世界稀有林木资源丰富;亦盛产油桐、油茶、茶和漆等经济林木。湘鄂亚热带地区地形起伏,多山地丘陵,素有“七山一水二分田”或“八山一水一分田”之说。即70—80%为山丘所据;平原、川地仅占10—20%。地形地貌复杂,水、土、气等自然条件
Hunan and Hubei (Hunan and Hubei) are located in the middle reaches of the Yangtze River Basin. They belong to the subtropical monsoon climate with abundant light, abundant heat and plenty of rainfall. Their natural conditions are extremely advantageous. Its features are: ≥10 ℃ accumulated temperature 4,800-5,800 ℃, annual precipitation 1,200-2,200 mm, with subtropical evergreen broad-leaved forest natural vegetation; crop growth period 230 days, rice two seasons a year, crop seasons evergreen; Davidia involucrata, Fragrant fruit tree, silver fir and Mao Hongchun such as the world’s rare forest rich in resources; also rich in tung tree, tea, tea and paint and other economic trees. Subtropical areas in Hunan and Hubei topography undulating, mountainous hills, known as “seven mountains and one water two fields” or “eight mountains of water and a field” said. That is, 70-80% is based on the hills; plain, Sichuan only 10-20%. Terrain and land complex, water, soil, gas and other natural conditions