Foraging territoriality of the imported fire ant,Solenopsis invicta Buren, in surgarcane as determined by neutron activation analysis

@article{Showler1989ForagingTO,
  title={Foraging territoriality of the imported fire ant,Solenopsis invicta Buren, in surgarcane as determined by neutron activation analysis},
  author={Allan T. Showler and Ronald M. Knaus and Thomas E. Reagan},
  journal={Insectes Sociaux},
  year={1989},
  volume={36},
  pages={235-239}
}
SummaryImported fire ant,Solenopsis invicta Buren, colonies in weedy and weed-free Louisiana sugarcane habitats were labeled with the nonradioactive, stable-activable tracer element samarium, to be compatible with an agroecosystem in current food production. Instrumental neutron activiton analyses of samarium revealed that the ants foraged 9% of the sampling stations in weed-free areas and 6.4% of the stations in weed habitats. The significantly smaller territorial size in weedy areas was a… 

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The over-lapping data points shown as open and closed circles and the continuation of data points for up to 20 days establish the usefulness of the double activation analysis technique for short-term and long-term tracer studies.