Biological resources of Suining
There are many kinds of biological resources in Suining. There are more than 1500 varieties or strains of biological resources found and utilized in Suining, including more than 1000 plant resources and 367 cultivated varieties of crops. The territory belongs to subtropical evergreen broad-leaved forest area, with forest coverage of 32%, which is the first greening standard city in the province. There are about 437 species of trees, among which there are many national protected plants and rare trees. For example, Metasequoia glyptostroboides, Ginkgo biloba, cycas, ormosia, and unique ancient cypress, banyan, etc. The main tree species are olive oil, walnut oil and so on. The territory is rich in oranges, oranges, pomelo, pears, peaches, plums and apples, among which Shatian pomelo, Qingping, Hongju, Gongcheng, etc. There are about 237 species of vertebrates. There are 89 species of fish resources. Rare animals, such as Chinese sturgeon, cochineal fish, rock carp, longbeaked fish, etc., Andrias davidianus in amphibians and Otter in mammals are all national and provincial protected animals.