Studies On The Charactics Of The Flora Of Qipanshan Area And Its Plant Community Diversity

This research revolves Qipanshan scenic area’s flora and its plants diversity,it hopes that through the investigation and study people can know the floristic characteristics of Qipanshan scenic area,and the floristic characteristics relationship between other areas in China.Also it study Qipanshan’s plant diversity change tendency and the rule of the rate along the elevation gradient.The survey covers the second peak of the Qipanshan scenic area and the south coast of Xiu lake scenic area next to the Qipanshan.The samples is based on the characteristics of the terrain and topography of the region,and there are 146 samples on the ground,and also set 20 samples in the lake,so there are 166 samples in total.By counting all species in the samples and exploring the floristic characteristics according to geographical distribution types,it shows that Qipanshan scenic area in Shenyang plant containing plant 92 families,273 genera and 342 species,including fern plants3 families 3 genera 3 species,monocotyledon plants 8 families 39 genera 42 species,dicotyledonous plants 81 families,231 genera and 297 species.The north temperate zone’s type has 63 genera of distribution types which is the largest type,World wide distribution has 46 goes the second,east Asian-North America respectively 32 genera and 36 genera,both of them have great influence on the Qipanshan flora distribution.By reading and sifting the literature through the flora of other 23 mountains and regions of our country,also using principal component analysis method and cluster analysis method,the floristic spectrum and cluster analysis tree were made to measure the similarity of each flora.The characteristics of plant flora were found to be related to geographical location,climatic conditions,elevation and other factors,The flora of Qipanshan is quite different from that of the southern tropical area and the northwestern mountains,however the similarity with Changbai mountain and Liupan mountain is remarkable.In addition,using the results of the survey the paper select Qipanshan area’s east,west,south and north slope to be the sample,in a total of 20,through calculation of parties within the community plant richness and beta diversity index,explore the Qipanshan plant diversity along the elevation gradient.In the law of plant diversity appearing along the elevation gradient,by calculating the Whittaker index,Cody index,Jaccard index and Sorenson index of plant richness and diversity index of the species,several indexes of the index were found that plant richness was negatively correlated with elevation,but was positively correlated with human factors.The index of species diversity is consistent with the change of elevation gradient,which means that as elevation increases the species diversity increase,also the species change trend increases,and the rate of change increases...