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广西生态经济型树种让石头山变成“金山银山”

   2016-01-21 815
核心提示:曾经寸草不生的石头山被茂密的植被覆盖,山上混交栽植的各类珍贵树木收益可期;出材率超过80%的桉树生长旺盛,在提供木材的同时保护着天然林的安全。造林绿化之于广西,不仅仅是改善生态环境、增加绿色空间的生态需求,更是发展区域经济、促进林农增收和维护生态与木材安全的必要
       曾经寸草不生的石头山被茂密的植被覆盖,山上混交栽植的各类珍贵树木收益可期;出材率超过80%的桉树生长旺盛,在提供木材的同时保护着天然林的安全。造林绿化之于广西,不仅仅是改善生态环境、增加绿色空间的生态需求,更是发展区域经济、促进林农增收和维护生态与木材安全的必要途径。


    治理,石漠化地区生态恢复

    zaiguangxizhuangzuzizhiquchongzuoshijiangzhouqutaipingzhenzhongducun,yichangshishanbian“jinshan”deqijizhengzaishangyan。

    zheilishichongzuoshizhengfudehoushan,dianxingdekasitedimao,cengjingluanshilinxun,jiyanluoluduchaoguo45%,guancaogaidujinwei10%。2006nian,chongzuoshizhengfuduiquyunei260mushandiqidongshimohuazhiligongcheng,rengongzaizhijiangxianghuangtan、rendoushuweizhudezhenguishuzhong,tongshihunjiaotaiwanxiangsi、yinhehuandengchangguishuzhong,dianzhuifenghuangshu、lanhuayingdengkaihuashuzhong。gongchengjianchizaolinzhengdibulianshan,buquanmianqinglilindi,jianfengchazhenwazhongzhikeng,binglianxuguanhu3nian。

    rujin,jiangxianghuangtan、yinhehuandengyikaishitianrangengxin,maomidelinguanxia,luozimengshengdeyoumiaozhangshixiren,gongchengquneisenlinfugailvyichaoguo80%。

    yulinmuyitongshengzhangde,haiyoujudadejingjijiazhi。

  “jinzheixiejiangxianghuangtan,anzhaomuqiandeshichangjia,50nianhoumeimudeshouyijiukechaoguo1yiyuan。”zhongguolinkeyuanredailinyeshiyanzhongxinyanjiuyuanlulihuashuo。erciqian,zhoubiancunminyikaoshishanhuoqudeshourujinlaiyuanyujiantusazhong、kaotianyanghuodeyumi,zaishishanshangkaikenguangzhongboshou,jieguoyuekenyueqiong。

    rengongzhilixiaoyixianzhu,neimezhiyikaoziranxiufunengfougaishanhuanjingni?

  “zaiyouxiediqukeyi,danhuifusuduchajujida。”lulihuagaosujizhe,zaishuiretiaojianhao、zhibeixiangduifengfudediqu,tongguoziranhuifu,5nianneikehuifucaobenzhiwu、10nianneikeshengzhangguanmu、10nianyishangkechuxianqiaomu;ertongguorengongzaolin,5nianjikeshixianyubi,yaoxingchengqunluo,rengongzaolinjiangbiziranhuifudeshijiantiqian70nian-80nian。“yizheipianshandiweili,ruguowanquanyikaoziranxiufu,xianzaiyinggaizhiyoucaobenheguanmu。”lulihuashuo。

  “henduoshimohuadiqudoushijidupinkunde,nongminmeiyoushenghuolaiyuan,yikaohuanmandeziranxiufubudanyingxiangshengtaianquan,genghuichengweiquyujingjishehuifazhandezuai。”guangxilinkeyuanshimohuazhilisuosuozhangshenwenhuishuo。tabiaoshi,fengshanyulinzhishiyibufenqingdushimohuadiqu,zaizhongdu、zhongdushimohuadiqu,bukaizhanrengongzhilizhihuijiajushimohuachengdu。

    广西石漠化土地面积达192.6万公顷,是我国石漠化严重的地区之一。近年来,广西通过不断加大科研力度,确定了10余个适宜岩溶地区生长的造林树种和多个可实现短、中、长期经济效益相结合的复合栽培模式,石漠化治理取得显著成效。据全国第二次石漠化监测结果显示,与次监测结果比较,全区石漠化土地减少45.3万公顷,占全国减少总面积的47%。
 

    育材,维护国家木材安全

    2014nian,woguomucaixuqiuda5.39yilifangmi,qizhongjinkou2.59yilifangmi,duiwaiyicundugaoda48.1%。suizhewoguojinzhitianranlinshangyexingcaifa,geguobaohusenlinziyuan、xianzhimucaichukoudelidubuduanjiada,baozhangmucaigongji、weihumucaianquanderenwuyujiajianju。

  “dechulujiushirengongzaolin。”guangxilinkeyuanfuyuanzhangxiangdongyunshuo,anshushiguangxisandayongcaishuzhongzhiyi,zuoweisushengfengchanshuzhong,juyoushengzhangsudukuai、lunfazhouqiduan、chucailvgao、caizhihao、bingchonghaishaodengtianranyoushi。zaishengzhangwangji,anshu1geyuekezhanggao1mi,5nianzuoyoujiukelunfa,chucailvchaoguo80%,gaokeda95%,keguangfanyingyongyuzaozhihexianweiban、renzaobanzhizaodenglingyu。

  “muqianshangweifaxianxiangsideshengzhangxunsu、mucaicaizhihao、shiyidamianjizaizhideshuzhong。”guojialinyejuanshuyanjiukaifazhongxinzhurenxieyaojianduicibiaoshizantong。jutajieshao,woguoxianyouanshurengonglin450wangongqing,yuezhanquanguosenlinzongmianjide2%、rengonglinzongmianjide6.3%;eranshunianchanmucailiangchaoguo3000wanlifangmi,zhanquanguomucaizongchanliangde25%。“woguonanfangdiqushuiretiaojianjiaohao,zainanfangshidangfazhananshudengrengonglin,shiweihuguojiamucaianquandezhanlvexuyao。”xieyaojianshuo。

    zaitigongmucaidetongshi,anshusuonengfahuideshengtaixiaoyitongyangzhongyao。yanjiuxianshi,meigongqinganshumeiniankexishoueryanghuatan24.3dun,fenbieshishanmuhemaweisongde2.2beihe3bei。zaileizhoubandao,anshuyinqijuyoudeshuiyuanhanyangzuoyong,zaiyanhaifanghulinhenongtianfanghulinguangfantuiguangzhongzhi。

  “anshucaideshichangxuqiuhenda,erqiezaizhichengbendi、shouyida,linnongzhongzhianshudejijixinghengao。”guangxiguoyougaofenglinchanglinyeyanjiuzhongxinzhurenweiguoyushuo。

    panmaochuanshigaofenglinchangzhigongjiashu,2008nian,taxianglinchangzule50mulindizhongzhianshu,bingzailinxiayangji。jinnian,panmaochuandeanshujinxinglediercicaifa,meimupingjunnianchunshouruchaoguo1000yuan,linxiajimeiniandeshouruyekeda1wan-2wanyuan。

    panmaochuangaosujizhe,zijiyiqianwaichudagongmeiniandeshourujinwei2wanyuan,zhongzhianshuhouchuleqianliangnianyaojinxingshidangguanhu,jihubuxuyaotouruguoduojingli,meinianchunshourujiukechaoguo5wanyuan。rujin,panmaochuanzainanningshimailefangzihechezi,riziguodeyouxianqieyi。

  “目前,广西桉树种植面积达185.32万公顷,且形成了从种植到加工的全产业链,桉树产业平均年产值可达1500亿元。”项东云说。
 

    释疑,桉树不该被“妖魔化”

    zaiguangxixiandailinyekejishifanyuanyouliangshuzhongzhanshiqunei,gaodabizhideanshuzhengqipailie,linxiacaomumaomi、zaguanzhongduo,shengzhangdewangshengdeguancaoyiyouliangrenduogao。buxinglinzhong,qingcuideniaomingbushichuanlai。“daowomendelinzilizouzou,neixie‘tianshangwufeiniao、dishangbuzhangcao’deyaoyanjiubugongzipole。”weiguoyushuo。

    weiguoyudeshuofayuanyucengjingzaishehuishangshengxingyishideanshu“shengtaiweixielun”。chuanyancheng,anshushi“choushuiji”“choufeiji”“bawangshu”,zaizhihouhuibaturangzhongdeshuifen、yingyangxiaohaodaijin,zaochengdixiashuiweixiajiang、dilishuaitui,wufashengzhangqitazhiwu,duishengtaihuanjingpohuaijuda。

  “zheixiechuanyanshuominghaiyourenduianshuderenshibukexue、youpianjian,jianganshuyaomohuale。zheixiewentidequecengjinghuoduohuoshaodechuxian,dandoushiyouyurengongzaipeibudangyinqide,yuanshushuzhongbenshenbingwuguanxi。zaihaodeshuzhong,ruguozaiguanbuhao,yehuichuxianwenti。”xieyaojianjieshishuo,anshurengonglinyinshengzhangkuai、chanlianggao,xishoudeyingyangyexiangduijiaoduo,danzhiyaokexuejingyingguanli,zaizaizhianshushipeifangshifei,tigonganshushengzhangsuoxudeyangfen,jiubuhuiduitudiyousuoyingxiang。

    zaishuifenliyongfangmian,kexueyanjiubiaoming,shengchan1qiankezhongliangdeanshuganwuzhihaoshuiliangwei785sheng,ertongyangdexiangsizexuyao1323sheng、songshuxuyao1538sheng。laizileizhoubandaodejiancejieguoyexianshi,anshuzaileizhoubandaodenianshuifenzhengteng、zhengfalianggongyue1000-1100haomi,yuandiyunianjunjiangshuiliang1500haomi,buhuizaochengdixiashuijianshao。

  “zaochengshuituliushidezhuyaoyuanyinshirengongzaizhimiduguoda,lunfazhouqiguoduanheguoduqinglilinxiawu。”xieyaojianrenwei,zhiyaojianchikexueguihua、zhengtibuju,genjuzirantiaojianxuanzejingyingmoshi,jiukeyipinghengshengtaihejingjixiaoyi。“anshurengonglintongyangjuyoushengtaigongneng,zhishiyutianranlinxiangbilvexunyichou,danjuebucunzaipohuaishengtaidewenti。”

  “anshuziyuanxuyaofenlei,zhuyaowentizaiyuduan、zhong、zhangzhouqidapei。”xiangdongyunchitongyangguandian,tarenwei,anshurengonglinyinganzhaobutongxuyao、butongquyuquedinglunfaqi,zailiditiaojianjiaochadedifangshidangyanzhanglunfaqi,bujinnengcujinlinxiashengtaizhuangkuanghuifu,haiyouliyupeiyuanshudajingcai。

    shengtaian、jingjixing、shehuiding。jiyukexueheshijianjingyankaizhandezaolinlvhuaweiguangxinaizhiquanguodelvsefazhanpuludaqiao。lvyinzhixia,qianliwuxian。

 
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