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Estimation of food composition of Hodotermes mossambicus (Isoptera: Hodotermitidae) based on observations and stable carbon isotope ratios
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作者 craig t. symes Stephan Woodborne 《Insect Science》 SCIE CAS CSCD 2011年第2期175-180,共6页
The diet of the harvester termite Hodotermes mossambicus was investigated at two sites with distinct dietary components: C4 grasses (δ13 C isotope values, -13.8%0 to -14.0%0) and C3 plants (δ13C isotope values, ... The diet of the harvester termite Hodotermes mossambicus was investigated at two sites with distinct dietary components: C4 grasses (δ13 C isotope values, -13.8%0 to -14.0%0) and C3 plants (δ13C isotope values, -25.6%0 to -27.1%0). By comparing observations of food items carried into the colony by the termites and carbon isotope ratios of whole termites (that determined assimilated carbon), the relative proportion of the C3 and C4 plant food components of the termite diet was estimated. There was agreement between the observational data and stable carbon isotopic data, with grass representing approximately 93% of the diet ofH. mossambicus at two study sites (urban and rural) on the South African highveld. However, when correcting for mass of food items, that is, C3 and C4, carried by termites, the proportion of grass (C4) in the diet may be underestimated. 展开更多
关键词 carbon assimilation COLONY harvester termite Suikerbosrand
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