Ecological Sensitivity Analysis Of Shaoguan Nanxiong Guanyindong Natural Reservation Area

Nature reservation areas are certain spaces that is delimited by state in legal for long-term,preservation and restoration of natural complex and natural resources as a whole,its fundamental purpose is to protect important ecological system and its environment,to save endangered species,or to protect the natural heritage.Ecological sensitivity analysis of the nature reservation area is an important basis of reservation planning.This essay made Guanyindong reservation area as research site,using field investigation and GIS analysis method,to make a ecological sensitivity analysis of Guanyindong reservation area,the main research results are as bellow:(1)The essay summed up nature reserve ecological sensitivity evaluation theories and methods,end up to a system of nature reservation evaluation index,according to the actual circumstance of Guanyindong nature reservation area,the essay has established a evaluation system of five criteria layer and nine evaluation factors.(2)After field investigation of the current resources of Guanyindong nature reservation area,we have found out there is 169 families including 498 genera and 857 species of vascular plants.During which is 23 families,including 32 genera which is 49 species of ferns,and a total of 146 families,including 466 genera in which there is 808 species of seed plants,containing two national key protected wild plants and nine secondary protected.And there is 33 orders including 89 families and 89 species of vertebrates,11 of which belong to national secondary protection.And we have been doing research of all these precious species to find out their distribution and habitat condition investigation.(3)Ecological sensitivity evaluation of Guanyindong reservation area.First of all,based on the foundation of key species habitat condition analysis we have built a evaluation system for key species,and evaluated their sensibility on habitats;then,on the basis of evaluation of single factors,we had a evaluation for the whole area.(4)According to evaluation results,we have made a ecological function plan,and giving corresponded advise.