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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??(shi)間??(jian)出??(chu)現(xiàn)??(xian)提??(ti)前??(qian)現(xiàn)??(xian)象??(xiang)??，抵?(di)達??(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??(ce)和??(he)護??(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??(hu)隊??(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??(chang)春??(chun)3月??(yue)23日??(ri)電??(dian) (記??(ji)者??(zhe) 郭??(guo)佳??(jia))春?(chun)分??(fen)時??(shi)節(jié)??(jie)??，吉??(ji)林??(lin)乍??(zha)暖??(nuan)還??(hai)寒??(han)??，越??(yue)來??(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)”??。??。