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2018 ; 8
(1
): 8033
Nephropedia Template TP
gab.com Text
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English Wikipedia
Controlling invasive ant species: a theoretical strategy for efficient monitoring
in the early stage of invasion
#MMPMID29795298
Ujiyama S
; Tsuji K
Sci Rep
2018[May]; 8
(1
): 8033
PMID29795298
show ga
Invasion by the red imported fire ant, Solenopsis invicta Buren, has destructive
effects on native biodiversity, agriculture and public health. This ant's
aggressive foraging behaviour and high reproductive capability have enabled its
establishment of wild populations in most regions into which it has been
imported. An important aspect of eradication is thorough nest monitoring and
destruction during early invasion to prevent range expansion. The question is:
How intense must monitoring be on temporal and spatial scales to eradicate the
fire ant? Assuming that the ant was introduced into a region and that monitoring
was conducted immediately after nest detection in an effort to detect all other
potentially established nests, we developed a mathematical model to investigate
detection rates. Setting the monitoring limit to three years, the detection rate
was maximized when monitoring was conducted shifting bait trap locations and
setting them at intervals of 30?m for each monitoring. Monitoring should be
conducted in a radius of at least 4?km around the source nest, or wider-depending
on how late a nest is found. For ease of application, we also derived equations
for finding the minimum bait interval required in an arbitrary ant species for
thorough monitoring.
|*Biodiversity
[MESH]
|*Models, Theoretical
[MESH]
|Aggression/*physiology
[MESH]
|Animals
[MESH]
|Ants/*physiology
[MESH]
|Insect Control/*methods
[MESH]
|Introduced Species/*statistics & numerical data
[MESH]