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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??(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)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(hù)??(hu)區(qū)??(qu)候??(hou)鳥?(niao)數(shù)??(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(xiàn)??(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(shù)?(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)??。。