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　　潘??(pan)晟?(sheng)昱??(yu)亦??(yi)指??(zhi)出??(chu)??，觀??(guan)察??(cha)發(fā)??(fa)現(xiàn)??(xian)候??(hou)鳥??(niao)北??(bei)遷??(qian)時(shí)??(shi)間??(jian)出?(chu)現(xiàn)??(xian)提??(ti)前??(qian)現(xiàn)??(xian)象??(xiang)??，抵??(di)達(dá)??(da)過??(guo)早??(zao)可??(ke)能??(neng)遭??(zao)遇??(yu)“倒??(dao)春??(chun)寒??(han)”??，導(dǎo)??(dao)致??(zhi)食??(shi)物??(wu)短??(duan)缺??(que)和??(he)雛??(chu)鳥??(niao)凍??(dong)亡??(wang)??。??因??(yin)此??(ci)??，每??(mei)年??(nian)遷??(qian)徙??(xi)季??(ji)的??(de)觀??(guan)測(cè)??(ce)和??(he)護(hù)??(hu)飛??(fei)工??(gong)作??(zuo)變??(bian)得??(de)更??(geng)加??(jia)重??(zhong)要??(yao)??，目??(mu)前??(qian)吉??(ji)林?(lin)各??(ge)處??(chu)濕??(shi)地??(di)都??(dou)有??(you)巡??(xun)護(hù)??(hu)隊(duì)?(dui)伍??(wu)??，為??(wei)候??(hou)鳥??(niao)構(gòu)??(gou)筑??(zhu)安?(an)全??(quan)遷??(qian)徙??(xi)保??(bao)障??(zhang)網(wǎng)?(wang)??。(完??(wan))　　在?(zai)全?(quan)球??(qiu)九??(jiu)大??(da)候??(hou)鳥??(niao)遷?(qian)飛??(fei)區(qū)??(qu)中??(zhong)??，東??(dong)亞??(ya)-澳??(ao)大?(da)利??(li)西??(xi)亞??(ya)遷??(qian)飛??(fei)區(qū)??(qu)是??(shi)物?(wu)種??(zhong)承??(cheng)載?(zai)量??(liang)最??(zui)大?(da)的??(de)一??(yi)條??(tiao)遷??(qian)徙??(xi)通??(tong)道??(dao)??。??中??(zhong)國(guó)??(guo)野??(ye)生??(sheng)動(dòng)?(dong)物??(wu)保??(bao)護(hù)??(hu)協(xié)??(xie)會(huì)?(hui)科??(ke)學(xué)??(xue)考??(kao)察?(cha)委??(wei)員??(yuan)會(huì)??(hui)常??(chang)委??(wei)潘??(pan)晟??(sheng)昱??(yu)接?(jie)受?(shou)記??(ji)者??(zhe)采??(cai)訪??(fang)介??(jie)紹??(shao)??，作??(zuo)為??(wei)這??(zhe)條??(tiao)遷??(qian)徙??(xi)通??(tong)道??(dao)上??(shang)的??(de)重??(zhong)要?(yao)一??(yi)站??(zhan)??，吉?(ji)林??(lin)近??(jin)些??(xie)年??(nian)通??(tong)過??(guo)濕??(shi)地??(di)修??(xiu)復(fù)??(fu)、退??(tui)耕??(geng)還??(hai)濕??(shi)等??(deng)工??(gong)程??(cheng)??，使??(shi)生??(sheng)態(tài)??(tai)承?(cheng)載??(zai)力??(li)顯??(xian)著??(zhu)提??(ti)升??(sheng)??，給??(gei)候??(hou)鳥??(niao)遷??(qian)徙?(xi)提??(ti)供??(gong)了??(le)良??(liang)好?(hao)條??(tiao)件??(jian)??。。