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Table 1 Multiple regression analysis of potential correlates of neotropical freshwater diaptomid species richness

From: Historical biogeography of the neotropical Diaptomidae (Crustacea: Copepoda)

Variable Estimate Std. error t value Pr (>|t|)
log (area) 0.45 0.08 5.84 2.1e-07
Altitude 0.00 0.00 −0.60 0.55
Annual mean temperature 0.01 0.01 0.35 0.73
Maximum temperature of warmest month 0.00 0.01 −0.53 0.60
Minimum temperature of coldest month 0.01 0.01 0.70 0.49
Annual precipitation 0.00 0.00 −0.37 0.71
Precipitation of driest month 0.00 0.01 0.57 0.57
Precipitation of wettest month 0.00 0.00 −0.50 0.62