The Analysis of The Ecological Conditions Related to Korean Pine Needle Cast Occurrence Ecological Status of Taoyuandong National Nature Reserve The Ecological Conditions for Nostoc flagelliforme and their Analysis Effects of different ecological conditions on grain quality and RVA profile of japonica rice from Yunnan of China and Korea. Relationship between the genesis of ginseng rust spots and soil ecological conditions The influence of diversity changes of ecological conditions on the survival of honey bees