龙山景区自然风光旖旎,具有“四季时时景不同”的特点。而令人流连忘返的还是那漫山红遍、层林尽染的龙山红叶。龙山红叶主要以灌木黄栌为主体树种。因其叶子里含有大量的叶绿素、叶黄素、类胡萝卜素、花青素,在春、夏两季,叶绿素进行光合作用,并使叶子呈现绿色;霜秋季节,天气变冷,昼夜温差变化增大,叶绿素合成受阻,而类胡萝卜素、花青素成份增多,使 Longshan scenic natural beauty, with “four seasons different time ” features. And it is memorable that diffuse mountains, storied to make the Red Dragon leaves. Longshan red leaves mainly shrubs as the main tree species. Because of its leaves contain a lot of chlorophyll, lutein, carotenoids, anthocyanins, in the spring and summer, chlorophyll photosynthesis, and make the leaves appear green; frost season, the weather is cold, the temperature difference between day and night Increased, chlorophyll synthesis blocked, and carotenoids, anthocyanin ingredients increased