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　　潘??(pan)晟??(sheng)昱??(yu)亦??(yi)指?(zhi)出??(chu)??，觀??(guan)察??(cha)發(fā)??(fa)現??(xian)候??(hou)鳥??(niao)北??(bei)遷??(qian)時??(shi)間??(jian)出?(chu)現??(xian)提??(ti)前??(qian)現??(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??(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??(gou)筑??(zhu)安?(an)全??(quan)遷??(qian)徙??(xi)保??(bao)障??(zhang)網??(wang)?。(完??(wan))　　中??(zhong)部??(bu)的??(de)吉??(ji)林??(lin)波??(bo)羅??(luo)湖??(hu)國??(guo)家??(jia)級??(ji)自??(zi)然??(ran)保??(bao)護??(hu)區(qū)??(qu)候??(hou)鳥??(niao)數??(shu)量?(liang)和??(he)珍??(zhen)稀??(xi)種??(zhong)群??(qun)也??(ye)在??(zai)不?(bu)斷??(duan)增??(zeng)加??(jia)??，近??(jin)日??(ri)頻?(pin)頻??(pin)出??(chu)現??(xian)“鳥??(niao)浪??(lang)”奇??(qi)觀??(guan)??。??去??(qu)年??(nian)??，在??(zai)波??(bo)羅??(luo)湖??(hu)遷?(qian)徙??(xi)停??(ting)歇??(xie)的??(de)鳥??(niao)類??(lei)數??(shu)量??(liang)首??(shou)破??(po)30萬??(wan)只?(zhi)??，創(chuàng)??(chuang)造??(zao)了??(le)歷??(li)史??(shi)新??(xin)高??(gao)??。。