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作 者:丁瑞丰[1] 翟海燕[2] 汪飞[1] 徐遥[1] 王东[2] 孙世龙[2]
机构地区:[1]新疆农科院植保所,乌鲁木齐830091 [2]莎车县农业技术推广中心,新疆莎车844700
出 处:《新疆农业科学》2009年第2期346-349,共4页Xinjiang Agricultural Sciences
基 金:新疆维吾尔自治区财政厅专项资金项目“南疆特色果树重大病虫害综合治理技术研究与示范”(2007-2009)
摘 要:对扁桃-麦间作果园节肢动物群落与非天敌亚群落、天敌亚群落之间在物种均匀度、优势度和优势集中性上的关系进行相关性分析得出,总群落与非天敌亚群落在优势集中性上相关差异显著,r=0.474 9,df=17时,r0.05=0.455 5,r>r0.05;均匀度相关差异极显著,r=0.869 7,df=17时,r0.01=0.575 1,r>r0.01;优势度相关差异不显著,r=0.115 7,df=17时,r0.05=0.455 5,r<r0.05。而总群落与天敌亚群落在均匀度、优势度和优势集中性上相关差异均为极显著,均匀度相关系数r=0.710 7,df=17时,r0.01=0.575 1,r>r0.01;优势度相关系数r=0.857 1,df=17时,r0.01=0.575 1,r>r0.01;优势集中性相关系数r=0.700 1,df=17时,r0.01=0.575 1,r>r0.01。The relationships between arthropods community and its unnatural enemy subcommunity and natural enemy sub - community on their dominance, dominant concentration and evenness were analyzed. The results showed that the correlationships between arthropods community and its unnatural enemy sub - community on dominant concentration were significant at 0.05, r = 0. 474 9, df = 17, r0.05 = 0.455 5, r 〉 r0.05; the correlationships between arthropod community and its unnatural enemy subcommunity on evenness were significant at 0.01, r =0.869 7,df= 17, r0.01 =0.575 1,r〉 r0.01 ; but that on dominance was r=0. 115 7, df = 17, r0.05 = 0. 455 5, r 〈 r0.05. The correlationships between arthropod community and its natural enemy community ondominance, dominant concentration and evenness were significant at 0.01. The correcting coefficient of the dominance was r = 0.710 7, df = 17, r0.01 = 0. 575, r 〉 r0.01;The correcting coefficient of the dominant concentration was r = 0. 857 1, df = 17, r0.01 = 0. 575 1, r 〉 r0.01 ; The correcting coefficient of the evenness was r = 0. 7001, dr= 17, r0.01 = 0. 575, r 〉 r0.01.
分 类 号:S476[农业科学—农业昆虫与害虫防治]
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