Anda City belongs to Suihua City,Heilongjiang Province,located in the southwest of Heilongjiang Province and in the hinterland of Songnen Plain in Heilongjiang Province.In order to ex-plore the diversity and flora of plant resources in Anda city,the plant resources in Anda city were stud-ied by means of preliminary data collection,field investigation and indoor data processing.The main re-sults are as follows:(1)There are 54 families,180 genera and 355 species of plants in Anda City.Among them,Poaceae,Fabaceae,Amaranthaceae and Asteraceae are the dominant families,with 167 species in 4 families,accounting for 47.04% of the total species.Artemisia and Allium belong to 2 genera and 42 species,accounting for 11.83% of the total species.(2)In the quantitative structure relationship of fam-ilies and species in Anda City,there are many few families,including 26 families,accounting for 48.15% of the total families.According to the quantitative structure of genera and species,it can be seen that there are 110 genera in single species,accounting for 61.11% of the total genera.(3)180 genera of plants in Anda city can be divided into 11 distribution types,of which the distribution type with the lar-gest number of genera is north temperate distribution,with a total of 70 genera,accounting for 38.89% of the total genera.
关键词
安达市/植物多样性/植物区系/区系特征
Key words
Anda city/plant diversity/flora/floristic characteristics