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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(guò)??(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))　　中??(zhong)新??(xin)網(wǎng)??(wang)長(zhǎng)??(chang)春??(chun)3月??(yue)23日??(ri)電??(dian) (記??(ji)者??(zhe) 郭??(guo)佳??(jia))春??(chun)分??(fen)時(shí)??(shi)節(jié)??(jie)??，吉??(ji)林??(lin)乍??(zha)暖??(nuan)還??(hai)寒??(han)??，越??(yue)來(lái)??(lai)越??(yue)多??(duo)的??(de)北??(bei)歸?(gui)候??(hou)鳥??(niao)選??(xuan)擇??(ze)在??(zai)此??(ci)停??(ting)歇??(xie)、棲??(qi)息??(xi)??，自??(zi)東??(dong)向??(xiang)西??(xi)各??(ge)大??(da)“驛??(yi)站??(zhan)”鳥??(niao)群??(qun)如??(ru)云?(yun)、雕??(diao)鳴??(ming)鶴??(he)舞??(wu)??，繪??(hui)就??(jiu)一??(yi)幅?(fu)壯??(zhuang)觀??(guan)的??(de)“遷??(qian)徙??(xi)圖??(tu)”??。??。