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　　三九養(yǎng)生堂記者 鄧肯·蓋伊 報道

精彩|　　論??(lun)文??(wen)第??(di)一??(yi)作?(zuo)者??(zhe)、中??(zhong)國??(guo)科??(ke)學??(xue)院??(yuan)青??(qing)藏?(zang)高??(gao)原??(yuan)研??(yan)究??(jiu)所??(suo)高??(gao)姍??(shan)副??(fu)研??(yan)究??(jiu)員??(yuan)表??(biao)示??(shi)??，本??(ben)次??(ci)研??(yan)究??(jiu)發(fā)??(fa)現(xiàn)?(xian)??，強??(qiang)烈??(lie)的?(de)火??(huo)山??(shan)冷??(leng)卻?(que)效??(xiao)應(yīng)??(ying)極??(ji)大??(da)程??(cheng)度??(du)降??(jiang)低?(di)了??(le)高??(gao)緯??(wei)度??(du)與??(yu)高??(gao)海??(hai)拔??(ba)地??(di)區(qū)??(qu)的??(de)森??(sen)林?(lin)生??(sheng)態(tài)??(tai)系??(xi)統(tǒng)??(tong)彈??(dan)性??(xing)：火??(huo)山??(shan)噴??(pen)發(fā)??(fa)后??(hou)5-10年??(nian)內(nèi)秘(nei)的??(de)區(qū)??(qu)域??(yu)樹??(shu)木??(mu)平??(ping)均??(jun)生??(sheng)長??(chang)量??(liang)下??(xia)降??(jiang)甚??(shen)至??(zhi)超??(chao)過??(guo)30%??，同??(tong)時??(shi)??，亞??(ya)洲??(zhou)北?(bei)部??(bu)地??(di)區(qū)??(qu)森??(sen)林?(lin)與??(yu)歐??(ou)洲??(zhou)中??(zhong)西??(xi)部??(bu)地??(di)區(qū)??(qu)落??(luo)葉??(ye)松??(song)林??(lin)生?(sheng)長??(chang)穩(wěn)??(wen)定??(ding)性??(xing)也??(ye)顯??(xian)著??(zhu)降??(jiang)低?(di)??。??此??(ci)外??(wai)??，樹??(shu)木??(mu)生??(sheng)長??(chang)產(chǎn)??(chan)生?(sheng)極??(ji)端??(duan)低??(di)值??(zhi)的??(de)概?(gai)率??(lv)大??(da)幅??(fu)上??(shang)升??(sheng)??，在??(zai)多??(duo)個?(ge)區(qū)??(qu)域??(yu)??，概??(gai)率??(lv)上?(shang)升??(sheng)甚??(shen)至??(zhi)超??(chao)過??(guo)噴??(pen)發(fā)??(fa)前??(qian)10倍?(bei)???！　「??(gao)姍??(shan)指??(zhi)出??(chu)??，連??(lian)續(xù)??(xu)火??(huo)山??(shan)噴??(pen)發(fā)??(fa)對??(dui)森??(sen)林??(lin)生??(sheng)態(tài)??(tai)系??(xi)統(tǒng)??(tong)彈??(dan)性??(xing)的??(de)影秘(ying)響??(xiang)??，在?(zai)北??(bei)半??(ban)球??(qiu)中??(zhong)緯??(wei)度??(du)地??(di)區(qū)??(qu)延??(yan)伸?(shen)時??(shi)間??(jian)比??(bi)高??(gao)緯??(wei)度??(du)地??(di)區(qū)??(qu)更??(geng)長??(chang)??，1809年?(nian)、1815年?(nian)兩??(liang)次??(ci)火??(huo)山?(shan)噴??(pen)發(fā)??(fa)事??(shi)件??(jian)影??(ying)響??(xiang)均??(jun)可??(ke)超??(chao)過??(guo)1824年??(nian)??，尤??(you)其??(qi)在??(zai)蒙??(meng)古?(gu)高??(gao)原??(yuan)與??(yu)青??(qing)藏??(zang)高?(gao)原??(yuan)地??(di)區(qū)?(qu)??，影?(ying)響?(xiang)時?(shi)間??(jian)長??(chang)且??(qie)連??(lian)續(xù)??(xu)??，這??(zhe)可??(ke)能??(neng)是??(shi)由??(you)于??(yu)在?(zai)寒?(han)冷??(leng)的??(de)同?(tong)時??(shi)出??(chu)現(xiàn)??(xian)干??(gan)旱??(han)??，導??(dao)致??(zhi)樹??(shu)木??(mu)生??(sheng)長??(chang)更??(geng)難??(nan)恢??(hui)復??(fu)?。??

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