Download
1 / 72

东北黑土区水土流失与生态安全综合科学考察工作汇报 - PowerPoint PPT Presentation


  • 202 Views
  • Uploaded on
  • Presentation posted in: General

东北黑土区水土流失与生态安全综合科学考察工作汇报. 中国科学院东北地理与农业生态研究所 松 辽 水 利 委 员 会 北京师范大学 2005 年 12 月 30 日 北京. 汇报提纲. 工作进展 汇报的主要内容 下一步工作安排 考察报告提纲. 工 作 进 展. 1. 小型座谈会. 10 余次:农业专题、现状及发展趋势专题、遥感专题、重点治理地区与重点工程专题、经验教训专题、政策专题; 问题的凝练 数据资料的统一 协作. 2. 大型研讨会.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha

Download Presentation

东北黑土区水土流失与生态安全综合科学考察工作汇报

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


20051230




1.

  • 10


2.


3.

125-11



4.

23313 (100M)5544004G1713 (700M)280


5.

  • 6;

  • ;

    3) 6;,;

    4) 10.


6.

(FAO)ClemenciaFAO FAOFAO


:


1.--

  • :



(118735.9km2)


(118735.9km2)


(118735.9km2)



/

  • 1980-20001956-197920%, 0.064-0.127 kg/m3;

  • 1-4kg/m3


()




1,

2

3.


1965111603m

2005623SPOT2.5m,10m


200501028 m/km;>500m /km


2

  • 6-76-7

  • :

  • 24%~90%


<40cm50


0-23cm 50

23-55cm30

-



4


---


  • 1.5t458t30.5t22.5t1.3





  • 1565190%600030%15-204000

  • 2004700015%378529%93554%9.6%60%200441871/3

  • 200060kg,189019%28%41%200120350kg6252500400060%


30cm


  • 14.414017641890 hm26.515km6.5m4.44kmkm24125


  • : 7.57.5hm270.68hm2hm28000kg56kg

  • ,30-45kg

  • ,20-30%30%hm2 180kg


2t/ha1000/ha 20cm


5

32-8mm3.456.6%50


1950-200110101.18015m316.6714.75



6

40

3-531.5



7

/5-8



4/

52500


8

81-2%.95-98%820


2003000


9

  • / /



10



  • 10413807

  • 19501985575.3hm


1. ;

2. ;

3. ;

4.



1.1

1.2

1.3

1.4

1.5

1.6

1.7 ()

1.8

1.9


2.1

802000

2.2

2.3 50

2.4

3.1

3.2

3.3

3.4


4.1

4.2

4.3

4.4


5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8


1.1

1.2

1.3

2.1

2.2

2.3

2 4


3.1

3.2 (

)

3.3


1.1

1.2

2.1

2.1.1

2.1.2

2.1.3

2.2

2.3


1.1

1.2

2.1

2.2

2.2



!


ad
  • Login