4月下旬,省站聯合中國科(ke)學院亞熱帶農業生態研究所在(zai)洞庭(ting)湖(hu)(hu)區岳(yue)陽(yang)(yang)縣(xian)(xian)、君(jun)山區、大(da)通(tong)湖(hu)(hu)區、沅江市的(de)湖(hu)(hu)灘(tan)(tan)以及岳(yue)陽(yang)(yang)縣(xian)(xian)農田(tian)進(jin)行害鼠(shu)(shu)(shu)群落和(he)(he)密度調查,在(zai)湖(hu)(hu)灘(tan)(tan)和(he)(he)農田(tian)共(gong)布放鼠(shu)(shu)(shu)夾(jia)(有效夾(jia))945夾(jia)夜,共(gong)捕(bu)(bu)獲(huo)鼠(shu)(shu)(shu)393只,總體鼠(shu)(shu)(shu)密度達(da)41.6%,比去(qu)年同期(qi)高出8.9%。其中,岳(yue)陽(yang)(yang)縣(xian)(xian)湖(hu)(hu)灘(tan)(tan)捕(bu)(bu)獲(huo)率80.0%,農田(tian)捕(bu)(bu)獲(huo)率15.8%;目平(ping)湖(hu)(hu)湖(hu)(hu)堤捕(bu)(bu)獲(huo)率2.5%;大(da)通(tong)湖(hu)(hu)湖(hu)(hu)灘(tan)(tan)捕(bu)(bu)獲(huo)率34.0%;君(jun)山湖(hu)(hu)灘(tan)(tan)捕(bu)(bu)獲(huo)率34.2%。本次調查從鼠(shu)(shu)(shu)類組成看,除目平(ping)湖(hu)(hu)湖(hu)(hu)灘(tan)(tan)以黑線(xian)姬(ji)鼠(shu)(shu)(shu)為第一優勢(shi)鼠(shu)(shu)(shu)種外(占(zhan)鼠(shu)(shu)(shu)種組成的(de)66.7%),其余各調查點均以東(dong)方田(tian)鼠(shu)(shu)(shu)為第一優勢(shi)鼠(shu)(shu)(shu)種,其中東(dong)方田(tian)鼠(shu)(shu)(shu)占(zhan)比最(zui)高的(de)為岳(yue)陽(yang)(yang)縣(xian)(xian)麻(ma)(ma)塘鎮湖(hu)(hu)灘(tan)(tan),高達(da)99.5%;占(zhan)比最(zui)低(di)的(de)為岳(yue)陽(yang)(yang)縣(xian)(xian)麻(ma)(ma)塘鎮農田(tian)也達(da)到(dao)了57.9%。東(dong)方田(tian)鼠(shu)(shu)(shu)平(ping)均捕(bu)(bu)獲(huo)率27.4%,最(zui)高岳(yue)陽(yang)(yang)縣(xian)(xian)麻(ma)(ma)塘鎮洞庭(ting)湖(hu)(hu)湖(hu)(hu)灘(tan)(tan)捕(bu)(bu)獲(huo)率達(da)80.0%。
5至7月為洞(dong)庭(ting)湖汛期,隨(sui)著洞(dong)庭(ting)湖水位上升,東(dong)(dong)方(fang)(fang)田鼠(shu)(shu)(shu)將(jiang)會大量(liang)越堤入(ru)(ru)垸(huan)。洞(dong)庭(ting)湖區(qu)各級農業(ye)農村植保(bao)機構,尤其是岳陽縣、沅江市、大通(tong)湖區(qu)、君山區(qu),需保(bao)持高度(du)警(jing)(jing)惕(ti),切實(shi)加強監測(ce)預警(jing)(jing),準確(que)掌握東(dong)(dong)方(fang)(fang)田鼠(shu)(shu)(shu)等害(hai)鼠(shu)(shu)(shu)遷(qian)移(yi)動(dong)態,及時(shi)發布預警(jing)(jing)信息,扎實(shi)做(zuo)(zuo)好應(ying)急防(fang)控的(de)各項準備(bei)(bei)(bei)工作,嚴防(fang)東(dong)(dong)方(fang)(fang)田鼠(shu)(shu)(shu)等害(hai)鼠(shu)(shu)(shu)遷(qian)移(yi)危害(hai)。一要做(zuo)(zuo)好防(fang)鼠(shu)(shu)(shu)墻的(de)維修護理工作,及時(shi)清理防(fang)鼠(shu)(shu)(shu)溝,無(wu)防(fang)鼠(shu)(shu)(shu)設施(shi)的(de)地方(fang)(fang)應(ying)備(bei)(bei)(bei)足(zu)臨時(shi)搭建擋鼠(shu)(shu)(shu)墻的(de)材(cai)料,切斷東(dong)(dong)方(fang)(fang)田鼠(shu)(shu)(shu)等害(hai)鼠(shu)(shu)(shu)入(ru)(ru)遷(qian)通(tong)道(dao);二要做(zuo)(zuo)好滅鼠(shu)(shu)(shu)資金、物質、技術(shu)儲備(bei)(bei)(bei),一旦東(dong)(dong)方(fang)(fang)田鼠(shu)(shu)(shu)等害(hai)鼠(shu)(shu)(shu)大量(liang)遷(qian)入(ru)(ru)垸(huan)內(nei),應(ying)迅速開展應(ying)急防(fang)控,確(que)保(bao)湖區(qu)農業(ye)生產安全和人民群眾身體健(jian)康(kang)。