三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 遷?(qian)飛??(fei)性??(xing)害??(hai)蟲??(chong)為??(wei)害??(hai)甚??(shen)巨??(ju) 危??(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??(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??(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??(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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責(zé)編：呂程平