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2. ????. . ????????????????????????????????????,??????????????????,??????????????,??????????????????,????????????????????????????????,???????. 3. ?????? . ????????????????,??????????????????????,????????,?????,????????????. (?)?????. 4. . . . . 5. ????????????39,100ha(? ??,1995),???????,??? ????????56%???? ????(1954)??????????? ?????????????????? ????,????,????,??10 ????,????????.

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    1. 1 ??????????????????? ???:??? ??????????

    2. 2 ????

    3. 3 ?????? ????????????????,??????????????????????,????????,?????,????????????

    4. 4

    5. 5 ????????????39,100ha(? ??,1995),???????,??? ????????56%???? ????(1954)??????????? ?????????????????? ????,????,????,??10 ????,????????

    6. 6 ???(1976)??,??????30~40 ???,???????,?????? ??,????????,?????? ?????,???????????? ?? ????(1976)?????????,? ???????????????,?? ?????????????????? ?????????,???????? ?????????

    7. 7 ??(1982)????????????? ??,?????????????? ???????15-20%,?????? ???9-14%,????7-10%,??? ???????6-9%? ????(1991)??25???????? ?????????????,???? ??????,??????????? ??,????????????????

    8. 8 ???(1993)???????????? ??????????,??????? ?????????5?18??2?15?? ?????????????7?37?? ???????9?10?,??????9 ?12?????????14?43???? ??????????1?48????? ???7?39??

    9. 9 ????(1997)????????? (? ????)?????,??????? ?????,???????????? ?????????????????, ??????10000?/ha???6000?/ha ??,????????,??10?15? ? 25?30???????,????????

    10. 10 ????(1997)?24????????? ?,????????????????? ???????2??6?;?3 ??6?; ?4??6?;? 5??6?4??????? ??????????3?~5?????? ??????????????????

    11. 11 ????(1999)???????????? ???CO2????,????,???? ??????161.24??/??,??CO2 ??????986.99?/??,????? ?CO2,?591.21??/??,??CO2?? ????269.18?/??,???????? ??,???CO2??????????, ?????????????

    12. 12 ???(2001)??25???????,?? ??????????????????, ??????????????????? ?,???????????????? 8.89 m3/day?????7.16 m3/day???? ?15.85 m3/day?????19.95 m3/day,? ??????????,??????8.1% ????

    13. 13 ????(2001)???????????? ???????,??????????? ??????????????????? ????????????????,?? ????????????13.2~30.6 m,? ???20.5m?

    14. 14 ???(2002)??????29?????? ???????????????,??? ?,????????????????? ???,??????????????? ?,????????,???????? ??????????????????? ??????

    15. 15 ????(2004) ????????????????????,??????????,???????????????????(??????????????????????????)???????????:??????????????????(?????????)???,????????????,?????????????????

    16. 16

    17. 17

    18. 18 ????????? (?)???? 1.???? 2.???? 3.????

    19. 19 ????????? (?)???? 1.???? 2.???? 3.???? 4.????

    20. 20 ????????? (?)?????? 1.??????? 2.???????? 3.??????

    21. 21 ????????? (?)?????? 4.??????? 5.???????(? ????) 6.??????????? 7.????????

    22. 22 ????????? (?)??????? 1.????????? 2.?????????? 3.????????? (?)??????? 1.?????? 2.????

    23. 23

    24. 24

    25. 25

    26. 26

    27. 27 ??????????????????????? (?)???? ??????????????????????????????????????????????,???????????????,????????????????????????????????,??????????????????

    28. 28 ????:??????????????????74?????????????? ???????10??,?93????????,??????????,????35??????45??????35?????,??????4???????,???0.05??,??16????

    29. 29

    30. 30

    31. 31

    32. 32

    33. 33 2. ??????: 3.????????: 4. ??????,????????????,? ??-??????????,???????3? ?3??4???

    34. 34

    35. 35

    36. 36

    37. 37 5.???????

    38. 38 6.??????????

    39. 39

    40. 40

    41. 41

    42. 42 (c)??35%??

    43. 43

    44. 44

    45. 45

    46. 46

    47. 47 ???? ??????,?????????????????,???????????????????,????????????,???????????,???????????????????????????????,???????????

    48. 48 ???? ???????????,???????????,????????,?????????,??????????????,?????????,????????????

    49. 49

    50. 50

    51. 51

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