The Progress and Envisagement of Study of the Fire's Impact on Ecological Environment of the Swamp and Permafrost in the Da Hinggan Mountains Zhao Kuiyi Zhang Wenfen Yang Yongxing The Feature of the Forest Fire Occured on May 6,1987 in the Da Hinggan Mountains Lou Yuhai An Approach to the Forest Fire Ecological Factor's Function in the Formation and Development of Forest Mire Ecosystem in the Da Hinggan Mountains——A Case Study of Special Big Forest Fire in the Da Hinggan Mountains Yang Yongxing Zhao Kuiyi Pang Zhiping et al. Changes of the Hydro-Thermal Regime of Frozen Ground after the Forest Fire in the Northern Part of the Da Hinggan Mountains Zhou Youwu Liang Linheng Gu Zhongwei et al. The Impact in the Fire of the Da Hinggan Mountains on the Swamp Soil Environment and the Countermeasures Zhang Wenfen Liu Xingtu Zhao Kuiyi et al. The Effects of the Forest Fire on Microclimate of Forest Swamp in the Da Hinggan Mountains Yan Minhua The Study on Hydrological Effects of the Largest Forest Fire Occured on May 6,1987 in the Da Hinggan Mountains Chen Gangqi Yang Yongxing Li Xiuzhen et al. The Impact on Swamp and Countermeasure of the Fire in the Da Hinggan Mountains Analysed by Vegetation Zhao Kuiyi Zhang Wenfen Yang Yongxing Study on Vegetation Change in the Burned Areas of the Da Hinggan Mountains Liu Jiaru Liu Xintian Yang Shuchun The Disturbances of the Fire of the Da Hinggan Mountains on the Swamp Vegetation Zhao Kuiyi Multivariate Analysis of Plant Communities and Permafrost Environment After the Disastrous Fire in Amuer Forest Land Zhang Qibin The Analysis of the Fire's impact on Chemical Elements of Swamp Soil in the Da Hinggan Mountains Zhang Wenfen Wang Chunhe Zhao Kuiyi Influence of the Fire of the Da Hinggan Mountains on the Character of Swamp Soil Microorganism Meng Xianmin Liu Yinliang Ren Shourang et al. Study on Wave Spectrum of 1H-NMR of Peat Humic Acid Attaeked by the Forest Fire Zhang Wenfen Water Chemical Features of the Extraordinarily Serious Forest Fire Region in the Da Hinggan Mountains Wang Chunhe Zhang Wenfen Yang Yongxing et al. Study on Changes of Ecological Characteristics of Mire Ecosystem under the Strike of the Forest Fire in the Da Hinggan Mountains——A Case Study of Special Big Forest Fire in the Da Hinggan Mountains Yang Yongxing Yang Yujuan Pang Zhiping An Investigation on the Distribution of Snow Cover in the Burned Forest Region of Amur of Da Hinggan Mountains Liang Linheng Zhou Youwu Application of Remote Sensing Images ot the Investigations of the Changes of Permafrost Environment in Burned Forest Regions,Da Hinggan Mountains Liang Fengxian Gu Zhongwei The Effects of the Forest Fire on the Environment and Natural Regeneration in the Da Hinggan Mountains Liu Xingtian Wang Souxin Zhang Yashu et al. Using Fire to Clean Tree Farm in an Important Measure to Improve the Regenera-tion and the Planting Quality Wang Bingshu Climate Changes in the Da Hinggan Mountains in the Recent 36 Years Yan Minhua Permafrost Features and Their Relationship to the Environment in Amur,Da Hinggan Mountains Gu Zhongwei Zhou Youwu Liang Fengxian et al. Permafrost Features and their Changes in Amur Region of the Da Hinggan Mountains Gu Zhongwei Zhou Youwu Effect of the Forest Fire on Forest Insect in the Da Hinggan Mountains and List of Forest Insect Species Zhang Xudong Zhou Yujiang Ma Junying