三北防護(hù)林體系建設(shè)五期工程規(guī)劃

1、三北防護(hù)林體系建設(shè)五期工程規(guī)劃三北防護(hù)林體系建設(shè)五期工程規(guī)劃技術(shù)手冊(cè)國家林業(yè)局國家林業(yè)局調(diào)查規(guī)劃設(shè)計(jì)院調(diào)查規(guī)劃設(shè)計(jì)院2009.2009.9I目錄一、五期工程規(guī)劃范圍.........................................................................................................................1（一）工程范圍與區(qū)劃......

2、...............................................................................................................1（二）重點(diǎn)區(qū)范圍....................................................................................................

3、.........................1（三）涉及的規(guī)劃表格.....................................................................................................................1二、森林覆蓋率...........................................................

4、........................................................................10（一）計(jì)算公式...............................................................................................................................10（二）新增森林覆蓋率

5、...................................................................................................................10（三）涉及的規(guī)劃表格.............................................................................................

6、......................11三、沙化土地及其治理.......................................................................................................................13（一）沙化與沙化土地.......................................................

7、............................................................13（二）沙化土地類型區(qū)...................................................................................................................13（三）沙化程度分級(jí)......................

8、.................................................................................................13（四）初步治理..................................................................................................................

9、.............14（五）涉及的規(guī)劃表格...................................................................................................................17四、水土流失及其治理....................................................................

10、...................................................18（一）水土流失...............................................................................................................................18（二）土壤侵蝕分區(qū)......................

11、.................................................................................................18（三）土壤侵蝕等級(jí)................................................................................................................

12、.......18（四）有效控制...............................................................................................................................19（五）涉及的規(guī)劃表格.................................................................

13、..................................................19五、農(nóng)田林網(wǎng)化...................................................................................................................................21（一）農(nóng)田林網(wǎng)化....................

14、.......................................................................................................21（二）林網(wǎng)控制指標(biāo)..........................................................................................................

15、.............21（三）林網(wǎng)化計(jì)算...........................................................................................................................22（四）涉及的規(guī)劃表格..............................................................

16、.....................................................22六、工程造林.......................................................................................................................................23（一）建設(shè)對(duì)象...............

17、................................................................................................................23（二）造林方式...................................................................................................

18、............................23（三）林種結(jié)構(gòu)...............................................................................................................................23（四）樹種組成...............................................

19、................................................................................24（五）涉及的規(guī)劃表格...................................................................................................................24七、現(xiàn)有林管護(hù)....

20、...............................................................................................................................26（一）現(xiàn)有林.....................................................................................

21、..............................................26（二）管護(hù)模式...............................................................................................................................26（三）建設(shè)內(nèi)容.............................

22、..................................................................................................26（四）管護(hù)費(fèi)..................................................................................................................

23、.................26（五）涉及的規(guī)劃表格...................................................................................................................26八、退化林分修復(fù)..................................................................

24、.............................................................28（一）退化林分...............................................................................................................................28（二）修復(fù)................

25、.......................................................................................................................29（三）范圍..............................................................................................