祁连山高山草地蝗虫群落组成、发生时间动态及生物学特性
Community Composition, Temporal Dynamics and Biological Characteristics of Grasshoppers on Alpine Grassland of the Qilian Mountains, China
查看参考文献44篇
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文摘
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于2007~2009年间用网罩法全面调查祁连山高山草地蝗虫群落,用野外笼罩法观测优势种蝗虫的发生时间、发育历期和栖境选择,用每雌虫产卵数来说明其生殖力特性.结果表明:该草地蝗虫群落有蝗虫15种、分属4科10属,优势种有红翅皱膝蝗、亚洲小车蝗、宽须蚁蝗、小翅雏蝗和白纹雏蝗.按虫卵孵化时间和成虫发生期,可将草地蝗虫划分为早期发生和混合发生2种类型.发育历期在不同种类之间和龄期之间差异较大,不同种类的相同发育期差异也较大,红翅皱膝蝗若虫1~3龄、成虫期和整个世代发育时间显著长于其它蝗虫(P<0.05);同一种类蝗虫不同龄期的发育历期也不相同.草地蝗虫繁殖力在不同种类间差异较大,亚洲小车蝗和白纹雏蝗每头雌虫含卵囊数显著高于其它种类(P<0.05),红翅皱膝蝗和亚洲小车蝗卵囊中含有卵粒数显著大于其它种类(P<0.05).蝗虫的栖境主要有植栖型、地栖型和兼栖型3种类型,蝗虫个体大小、植被结构和对其栖境选择有重要影响.表3参44 |
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其他语种文摘
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The community composition, developmental time and duration, and habitat selection of grasshoppers on alpine grassland of the Qilian Mountains, China were investigated using net-sweep method from 2007 to 2009, and their fecundity character was indicated by the number of eggs per female. During the investigation 15 species (or species groups), belonging to 10 genera in 4 families were collected, and of them Angaracri rhodopa (F.-W.), Oedaleus asiaticus B.-Bienko, Myrmeleotettix palpalis Zub, Chorthippus fallax (Zub.) and Ch. albonemus Cheng et Tu were dominant species. According to the egg-hatching times and dominant period of the adults, the grasshopper species can be divided into 2 groups, the early-period and the mixed-period species. Obvious differences in developmental duration were found among the species and between each instar. Based on the duration of 1st~3rd instars and adult stage, the whole generation period of A. rhodopa was the longest among all 15 species (P<0.05). The fecundity was evidently dissimilar among the species, and the females of O. asiaticus and Ch. albonemus produced more egg capsules than other species (P<0.05). The greatest number of eggs per egg capsule were held by the two species A. rhodopa and O. asiaticus (P<0.05). The habitat selection of grassland grasshoppers were affected by vegetation structure and its individual size, and which could mainly divided into terricoles, planticoles and terri-planticoles. Tab3, Ref44 |
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来源
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应用与环境生物学报
,2010,16(4):550-554 【核心库】
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DOI
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10.3724/sp.j.l145.2010.00550
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关键词
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草地蝗虫
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群落组成
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发育历期
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生殖力
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栖境选择
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时间动态
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祁连山
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地址
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1.
中国科学院西北高原生物研究所, 西宁, 810008
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兰州大学草地农业科技学院, 青藏高原生态系统管理国际中心, 兰州, 730020
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1006-687X |
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学科
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昆虫学 |
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基金
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国家自然科学基金项目
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文献收藏号
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CSCD:3972930
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