三九養(yǎng)生堂記者 鄧肯·蓋伊 報道
精彩| 蟲??(chong)害??(hai)對??(dui)農(nóng)??(nong)業(yè)??(ye)生??(sheng)產(chǎn)??(chan)和??(he)糧?(liang)食??(shi)安??(an)全?(quan)造??(zao)成??(cheng)重??(zhong)大?(da)威??(wei)脅??(xie)??。?人??(ren)類??(lei)漫??(man)長??(chang)的??(de)農(nóng)??(nong)耕??(geng)史??(shi)??，也??(ye)是??(shi)一??(yi)場??(chang)人?(ren)類??(lei)和??(he)蟲??(chong)害??(hai)斗??(dou)爭??(zheng)的??(de)歷??(li)史??(shi)??。檢??(jian)搜??(sou)史??(shi)書??(shu)??，可??(ke)以??(yi)找??(zhao)到??(dao)太??(tai)多??(duo)諸?(zhu)如??(ru)“蝗??(huang)蟲??(chong)過??(guo)境??(jing)??，寸??(cun)草?(cao)不??(bu)生??(sheng)”的?(de)記??(ji)錄?(lu)???！ ∥??(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??(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??(da)數(shù)??(shu)千??(qian)公?(gong)里??(li)??，在?(zai)陌??(mo)生?(sheng)而?(er)遙??(yao)遠祝(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??(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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