Health Assessment of Mangrove Wetland in Qinglangang,Hainan

Objective]The study was to evaluate the inner and external health pressure of mangrove wetland,to analyze coordination ( contradiction or harmony ) between health components and their circumstance and future development trends,and to discuss the influential mechanisms of inner health,therefore to develop a scientific model of protection and reasonable use of the mangrove wetland.[Methods]Based on the TM images of 1987,2000 and 2010, geographical map,topographic map and survey data of community plots,the inner and external health pressure of study area was evaluated. On this basis,using medical health quotient theory for reference and dynamic research methods,the whole health developing trends of mangrove wetland were studied.[Result]1) The results of inner health were as follows:the community of Excoecaria agallocha + Bruguiera ymnorrhiza showed very healthy; the communities of Rhizophora apiculata + Xylocarpus granatum, R. apiculata and R. apiculata + Bruguiera sexangula showed healthy; the communities of Ce