TABLE 4.

Results of sensitivity analysis with Lake Monona data set

Category and comparisonAvg ARISA fragment richness (SE; n = 36)cAvg similarity (%) of profiles from same basin (SE; n = 4)ANOSIM statistic R
Peaks with < 0.1% of area removed57.78 (0.74)85.94 (1.23)
    Basin 17 vs basin 190.174a
    Basin 18 vs basin 190.239b
Peaks with < 0.5% of area removed41.97 (0.43)88.57 (0.69)
    Basin 17 vs basin 190.156a
    Basin 18 vs basin 190.275b
Peaks with < 1% of area removed30.75 (0.35)85.12 (0.73)
    Basin 17 vs basin 190.195a
    Basin 18 vs basin 190.085
Peaks with < 2% of area removed13.69 (0.28)82.35 (1.58)
    Basin 17 vs basin 190.008
    Basin 18 vs basin 19−0.046
Peaks with < 3% of area removed7.31 (0.20)80.99 (0.75)
    Basin 17 vs basin 190.236b
    Basin 18 vs basin 190.245b
    Basin 19 vs basin 200.191a
  • a Difference significant at the α = 0.05 level.

  • b Difference significant at the α = 0.01 level.

  • c Richness is the number of fragments per profile.