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Do Puritan tiger beetle populations fluctuate?

April 26, 2017beetle fluctuate populations puritan Tiger

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Do Puritan tiger beetle populations fluctuate?

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Puritan tiger beetle populations have large fluctuations from year to year. These variations often appear to be correlated with storms and other weather events. There has been a general decline in overall population size since the 1980s, but because of the large annual fluctuations, there is not a clear linear trend in Puritan tiger beetle numbers. Also, individual populations may show more extreme fluctuations than the metapopulation (a group of spatially separated subpopulations of the same species which interact at some level).