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. 2014 Sep 18;9(9):e108091. doi: 10.1371/journal.pone.0108091

Table 5. Indicator values (IV) and p-values from Indicator Species Analysis (ISA) comparing reaches for each trait modality with a p-value < = 0.05 for A) Calapooia River and B) Rogue River.

A) Calapooia C-US C-DS
Year Trait IV p Trait IV p
2007 poorly synchronized emergence 67.4 0.0002 well synchronized emergence 60 0.0002
multivoltine 89.3 0.0002 univoltine 59.5 0.0002
swim (habit) 87.8 0.0002 no swim ability 59.8 0.01
collector-gatherers 59.7 0.004 herbivores 63.1 0.0004
drift absent 61 0.01 clingers 53.6 0.004
weak swim ability 55.6 0.02 good armoring 74.5 0.03
high crawl rate 63.4 0.05
2008 [none] multivoltine 59.5 0.04
swim (habit) 58.9 0.05
2009 [none] high crawl rate 64.8 0.03
B) Rogue R-US R-DS1 R-DS2
Year Trait IV p Trait IV p Trait IV p
2008 cool stenotherm 53.3 0.03 cold/warm eurytherm 34.4 0.002 [none]
rare in drift 55.4 0.005
high crawl rate 48.4 0.01
long-lived 47.3 0.05
semivoltine 38.1 0.05
2009 univoltine 41 0.04 multivoltine 48.5 0.02 [none]
respiration with gills 36.2 0.03 poorly synchronized emergence 53.4 0.01
no armoring 36 0.05 swim (habit) 49.8 0.01
weak flight 35.9 0.02 streamlined shape 48.1 0.04
2010 semivoltine 46 0.03 multivoltine 45.1 0.05
poor armoring 45.9 0.03
nonseasonal development 45.9 0.03 fast-seasonal development 36.1 0.008
2011 [none] [none] [none]

Indicator trait modalities are organized into upstream and downstream reach columns by year-defined rows. Significant p-values following a correction for multiple comparisons are indicated in bold.