时时彩软件

chenghuanxueyuanzhubiaoketizuzaiglobal change biologyfabiaolunwen,jieshiyuanshisenlintudiliyongbianhuaduiturangwenshiqitipaifangdeyingxiang

      

时时彩软件tudiliyonggaibianshiquanqiubianhuawentidezhongyaozuchengzhiyi,shidaozhiweilaiwenshixiaoyingjiajudeguanjianyinsu,jinciyuhuashiranliaoranshao。suizherenleiganraoyuqihoubianhuadejiaju,quanqiufanweineidamianjideyuanshisenlinzhuanbianweiqitazhibeileixing,rurengonglin、caodihenongtiandeng;youcidaozhidewuzhongzucheng、zhibeishengchanli、turangyoujitanchuliangdengdegaibiankenenghuiduiturangwenshiqiti(co2、n2ohech4)paifangchanshengjudadeyingxiang。

图1 原始森林转换对土壤温室气体排放影响的示意图

jinjishinianlai,dalianganliyanjiubaodaoleyouguanyuanshisenlindetudiliyongfangshizhuanbianhouduiturangwenshiqitipaifangdeyingxiang,danjieguobingbuyizhi,congerxianzhileshishicairuanjianduidachidutudiliyonggaibianxiaoyingdepinggu。qizhong,tudiliyongfangshizhuanbiandeleixing、yuanshilintuihuahoudeshijianherenweidejingyingguanli(youqishinongtian、caodi)junshidaozhibutongyanjiujieguozhijianchayixingdekenengyuanyin。jinguanqianqiyiyoulexiangguandezhengheyanjiu,danshicunzaizhezhuduoxianzhi: (1)zhiguanzhujubuquyu,ruredaiquyudeyuanshisenlin;(2)shejidetudiliyongleixingbuquanmian;(3)weikaolvziyuanshisenlintuihuahousuojinglishijiandeyingxiang;(4)quefaduixiangyingjizhidetantao;(5)yangbenliangyouxian。muqian,quanqiuchiduyouguanyuanshisenlindetudiliyongfangshizhuanbianduiturangwenshiqitipaifangyingxiangdeyibanhuamoshiyijikongzhiyinsurengbuqingchu。

时时彩软件beijingdaxuechengshiyuhuanjingxueyuanzhubiaoketizutongguometafenxideshouduanxitongtantaolequanqiufanweineiyuanshisenlintudiliyongfangshidezhuanbianduiturangwenshiqitipaifangyingxiangdequanqiumoshijixiangguanjizhi。benyanjiujiyuyifabiaode101pianwenxian,fenbiehuoquleyouguanturangco2、n2ohech4tongliangde137、104he88gechengduiyangbenshuju。qizhong,yuanshisenlindetudiliyongfangshizhuanbianhuafenweiruxia6geleixing: yuanshilin-cishenglin(pri.-sec.)、yuanshilin-rengonglin(pri.-pla.)、yuanshilin-caodi(pri.-gra.)、yuanshilin-nongtian(pri.-agr.)heyuanshilin-qita(pri.-other)。

tu2 yanjiuyangdianfenbu

 

yanjiucaiyonghunhexiaoyingmetahuiguimoxing(mixed-effects meta-regression model)hejiaquandesuijisenlinfenxi(weighted random-forest analysis)dengfangfajinxinglexiangguanfenxi。yanjiufaxian,yuanshisenlinzhuanbianweiqitazhibeileixingzongtishangjiangdileturangco2paifang,erduich4paifangbiaoxianchucujinzuoyong,xiangbizhixiaduin2opaifangmeiyoumingxianyingxiang。ciwai,zheizhongxiaoyingzaibutongdetudiliyongzhuanbianleixingzhijianbingbuyizhi(tu2)。biru,zaiyuanshisenlinzhuanbianweicaodideqingkuangxia,turangco2tongliangmeiyoumingxiandebianhua。youguanshijianxuliedefenxibiaoming,turangn2otongliangzaiyuanshisenlinzhuanbianhoudezuichujieduan(< 5nian)biaoxianchuxianzhudezengjia,zhihouzemanmanjiangdi(tu3)。

时时彩软件tu3 yuanshisenlinzhuanbianduiturangwenshiqitipaifangjixiangguanhuanjingyinzideyingxiang

tu4 turangwenshiqitipaifangxiaoyingzhideshijiandongtai

时时彩软件jinyibuyanjiufaxiandangyuanshisenlinzhuanbianweiqitazhibeileixinghou,turangweishengwushengwuliangtanhegenshengwuliangdexiaoyingzhi,yijinianpingjunjiangshuiliangshidiaojieturangco2tongliangxiangyingdeguanjianyinzi;turangn2otongliangdebianhuazhuyaoshouturangxiaotaidan、rongzhongheantaidanduiyuanshisenlinzhuanhuanxiangyingdediaojie;yuturangtongqizhuangkuangmiqiexiangguandeshiduherongzhongdengyinsudexiaoyingzhishidiaojieturangch4tongliangdebianhuadezhuyaoyinsu(tu4hetu5)。

tu5turangwenshiqitidexiaoyingzhiyuzhuyaohuanjingbianliangzhijiandexiangguanguanxi

tu5diaojieturangwenshiqititongliangxiaoyingzhidexiangguanhuanjingbianliangzhijiandezhongyaoxing

 

yanjiubiaoming,yuanshisenlinzhuanhuanxianzhujiangdileturangco2paifang,qizhuyaoshoudaoturangweishengwushengwulianghegenshengwuliangjiangdideyingxiang;shouturangtongqixingbianchadeyingxiang,yuanshisenlinzhuanhuanduiturangch4paifangbiaoxianchuxianzhudezengqiangzuoyong;xiangbizhixia,zaiyuanshisenlinzhuanhuanchuqi(< 5nian),turangn2opaifangbiaoxianchuxianzhudezengjia,qizhuyaoshoudaoturangxiaotaidandongtaidediaojie。

时时彩软件benyanjiujieshileyuanshisenlinzaizhuanbianweibutongtudiliyongfangshiqingkuangxia,duiturangco2、n2ohech4sanzhongwenshiqitipaifangyingxiangdequanqiumoshi,bingjiehezhuyaohuanjingbianliangfenbietantaolexiangguandeyingxiangjizhi;zaidangqianquanqiutudiliyongbianhuawentiriyiyanjundebeijingxia,benyanjiujieguoweilijieyuanshisenlinzhuanbianhuotuihuaruheyingxiangturangwenshiqitipaifangtigonglezhongyaoshujujichu。

gaiyanjiuchengguoyi“changes in soil greenhouse gas fluxes by land use change from primary forest”weitizaixianfabiaoyuglobal change biologyqikanshang。beijingdaxuechengshiyuhuanjingxueyuan2018jiboshishenghanmengguangweidiyizuozhe,zhubiaoweitongxunzuozhe。

benyanjiushoudaoguojiazhongdianyanfazhuanxiang(2017yfc0503903)hejijinweijichukexuezhongxinxiangmu(31988102)dezizhu。

han, m. and zhu, b. (2020), changes in soil greenhouse gas fluxes by land use change from primary forest. glob change biol. doi:10.1111/gcb.14993

时时彩软件lunwenlianjie: http://doi.org/10.1111/gcb.14993

 

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