三九養(yǎng)生堂記者 鄧肯·蓋伊 報(bào)道
精彩| 科??(ke)研??(yan)人?(ren)員??(yuan)2002年??(nian)上??(shang)島??(dao)??，在??(zai)島??(dao)上??(shang)安??(an)置??(zhi)高??(gao)空??(kong)探??(tan)照??(zhao)燈??(deng)??，這??(zhe)種??(zhong)設(shè)?(she)備??(bei)可?(ke)以??(yi)在??(zai)夜??(ye)晚??(wan)誘??(you)捕??(bu)大??(da)量??(liang)趨?(qu)光??(guang)昆?(kun)蟲??(chong)??。??隨??(sui)后??(hou)??，一??(yi)部??(bu)車?(che)載??(zai)昆?(kun)蟲??(chong)雷??(lei)達(dá)??(da)被??(bei)運(yùn)??(yun)送??(song)到??(dao)島??(dao)上??(shang)??，安??(an)置??(zhi)在?(zai)一??(yi)座?(zuo)小??(xiao)山??(shan)的??(de)山??(shan)頂??(ding)??，這??(zhe)是??(shi)我??(wo)國??(guo)制??(zhi)造?(zao)的??(de)第??(di)二??(er)部??(bu)昆??(kun)蟲??(chong)雷??(lei)達(dá)??(da)??，可??(ke)以??(yi)在??(zai)夜??(ye)空??(kong)中??(zhong)監(jiān)??(jian)測??(ce)到?(dao)人??(ren)類??(lei)肉??(rou)眼??(yan)看??(kan)不??(bu)到??(dao)的??(de)昆??(kun)蟲??(chong)???！ ∥?(wei)害??(hai)大??(da)田??(tian)作??(zuo)物?(wu)的??(de)農(nóng)??(nong)業(yè)??(ye)害??(hai)蟲?(chong)??，很??(hen)多??(duo)都??(dou)具??(ju)有?(you)遷??(qian)飛??(fei)的??(de)特??(te)點(diǎn)??(dian)??，蝗??(huang)蟲??(chong)就??(jiu)是?(shi)最??(zui)典??(dian)型??(xing)的??(de)遷??(qian)飛??(fei)性??(xing)害??(hai)蟲??(chong)??。??據(jù)??(ju)聯(lián)??(lian)合?(he)國??(guo)糧??(liang)農(nóng)??(nong)組?(zu)織??(zhi)統(tǒng)??(tong)計(jì)??(ji)??，在??(zai)世??(shi)界??(jie)范??(fan)圍??(wei)內(nèi)??(nei)??，農(nóng)??(nong)作??(zuo)物??(wu)病??(bing)蟲??(chong)害??(hai)造?(zao)成??(cheng)的??(de)產(chǎn)??(chan)量??(liang)損??(sun)失??(shi)在??(zai)37%左??(zuo)右?(you)??，這??(zhe)其??(qi)中??(zhong)有??(you)很??(hen)大?(da)一??(yi)部??(bu)分??(fen)是??(shi)遷??(qian)飛??(fei)性??(xing)害??(hai)蟲??(chong)造??(zao)成??(cheng)的??(de)??。遷??(qian)飛??(fei)性??(xing)害??(hai)蟲??(chong)會??(hui)隨??(sui)著??(zhe)季??(ji)風(fēng)??(feng)一??(yi)起??(qi)遷??(qian)徙??(xi)??，有?(you)的??(de)遷??(qian)飛祝(fei)數(shù)??(shu)百??(bai)公??(gong)里??(li)??，有??(you)的??(de)跨??(kua)越??(yue)大??(da)陸??(lu)??，飛??(fei)過??(guo)海??(hai)洋??(yang)??，遷??(qian)飛??(fei)距??(ju)離??(li)可??(ke)達(dá)??(da)數(shù)??(shu)千?(qian)公??(gong)里??(li)??，在??(zai)陌??(mo)生??(sheng)而??(er)遙??(yao)遠(yuǎn)??(yuan)的??(de)地??(di)方??(fang)突??(tu)然??(ran)暴??(bao)發(fā)??(fa)??，對??(dui)遷??(qian)入??(ru)地??(di)農(nóng)??(nong)業(yè)??(ye)生??(sheng)產(chǎn)?(chan)造??(zao)成??(cheng)巨??(ju)大??(da)威??(wei)脅??(xie)??，是??(shi)導(dǎo)??(dao)致??(zhi)作??(zuo)物??(wu)病??(bing)蟲??(chong)害??(hai)大??(da)流??(liu)行?(xing)的??(de)重??(zhong)要?(yao)原??(yuan)因??(yin)??。
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