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An eradication project against the sweetpotato weevil, Cylas formicarius(Fabricius) (Coleoptera: Brentidae), one of the most important pests of sweet potato in the world, was initiated in Oct. 2007 on Tsuken Island, Okinawa Prefecture, Japan. The sterile insect technique (SIT) and male annihilation technique (MAT) were employed as the main control measures to suppress and ultimately eradicate wild...
Although in mark-recapture experiments traps are useful to estimate the dispersal distance of organisms, they cause a dilemma that may be called a kind of Heisenberg effect: a large number of traps should be placed to yield a precise estimate of mean dispersal distance, while these traps shorten the mean dispersal distance itself by intercepting organisms that should have dispersed for further distances...
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