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Table 2 Polynomial regression of species richness patterns along the elevational gradient

From: Correlates of avifaunal diversity along the elevational gradient of Mardi Himal in Annapurna Conservation Area, Central Nepal

Regressions Total species richness Species richness (summer) Species richness (winter)
First order r2 0.253* 0.264* 0.2006*
AIC 4614 1200 1414.1
Second order r2 0.472* 0.416* 0.452*
AIC 3263.4 956.5 972.14
Third order r2 0.5608* 0.448* 0.621*
AIC 2722 906.7 717.3
  1. Italic letters indicate the best model based on the lowest corrected Akaike information criterion (AICc) values
  2. *Significant at P < 0.05