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Table 2 Stepwise multiple linear regression results of environmental, physical, and biological factors influencing Shannon Index (H), Shannon Evenness Index (E H ), and taxonomic richness for zooplankton, littoral macroinvertebrates and fishes

From: Interactive effects of chemical and biological controls on food-web composition in saline prairie lakes

Biodiversity metric

Regression

r2adj.

H

−0.8 salinity + 0.6 Chl a - 0.4 SRP - 0.1 NH4+

0.85

EH

−0.7 salinity - 0.5 area

0.74

Zooplankton richness

−0.7 salinity + 0.4 Chl a - 0.3 NO3- + 0.2 elevation

0.82

Littoral macroinvertebrate richness

−0.7 salinity

0.48

Fish richness

−0.8 salinity - 0.2 NO3-

0.74

  1. H and EH are calculated only for zooplankton.
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Aquatic Biosystems

ISSN: 2046-9063