1. Simulation of soil nitrogen mineralization and nitrification in two northern Hardwood forest ecosystems

   • Hua Ouyang
   • Marting F. Jurgensen
   • Glenn D. Mroz

   OriginalPaper Pages: 1 - 13

2. Study on laws of annual nutrient uptake in a paulownia plantation

   • Wu Gang
   • Yang Xiu

   OriginalPaper Pages: 14 - 18

3. Study on the cutting propagation technique ofPicea koraiensis

   • Liu Guifeng
   • Sun Yueqi
   • Gong Zhaoduo

   OriginalPaper Pages: 19 - 22

4. The dynamic simulation model of management forest resources system

   • Zhuang Cunyan

   OriginalPaper Pages: 23 - 29

5. The broad sense concept and calculation methods of tree crown overlap

   • Bao Qing
   • Zhao Xianglin
   • Lin Qingmao

   OriginalPaper Pages: 30 - 34

6. The combustibility of Chinese fir and macclure michelia mixed forest

   • Li Zhenwen

   OriginalPaper Pages: 35 - 40

7. Fire cycle and fire adaptation of main tree species in Daxing’anling forest region, China

   • Hu Haiqing
   • Chai Ruihai

   OriginalPaper Pages: 41 - 44

8. Inoculation effects ofSuillus grevillei on Larch seedlings

   • Meng Fanrong

   OriginalPaper Pages: 45 - 49

9. The distribution region and the distributive temperature and humidity threshold of osier weevil in China

   • Duan Liqing

   OriginalPaper Pages: 50 - 53

10. Popularization study on the chemical control ofColeophora dahurica flkv. by ULV spraying malathior

    • Guo Chengliang
    • Song Zhigang
    • He Zhongqiu

    OriginalPaper Pages: 54 - 57

11. Separating brown and black bears in northeast China using tooth measurements

    • Jiang Zhaowen
    • Zheng Hong
    • Zhang Shuyun

    OriginalPaper Pages: 58 - 60

12. Habitat suitability index models: Grey heron nesting in Zhalong National Nature Reserve

    • Sun Hongzhi
    • Gao Zhongxin
    • Wang Dan

    OriginalPaper Pages: 61 - 64

13. Preliminary study on the karyotype of Ardea purpucea and Ardea cinerea, Ciconiifores

    • Kong Qingsong
    • Liu Zhiping
    • Zhao Jin’en

    OriginalPaper Pages: 65 - 67

14. Effect of different diet on young nutrias

    • Wang Aimin
    • Sun Yueqi
    • Zou Qi

    OriginalPaper Pages: 68 - 70

15. Microstructure of feather of red crowned crane (Grus japonensis)

    • Jing Songyan
    • Hang Fulan
    • Wang Xuejun

    OriginalPaper Pages: 71 - 74

16. Impediments and solutions to natural resources for sustainable development in China

    • Liu Yanhong
    • Sun Yujun
    • Li Yanming

    OriginalPaper Pages: 77 - 80