Table 1 Results of the Poisson Generalized Linear Model (GLM) testing whether the occurrence of North Atlantic right whales in the regions differed over two time periods (2004–2010; 2011–2014).

From: Long-term passive acoustic recordings track the changing distribution of North Atlantic right whales (Eubalaena glacialis) from 2004 to 2014

Response: # days with NARW presence Chi-Square Degrees of Freedom P-value
timePeriod 21.57 1 3.41e-06***
Region 542.81 5 <2.2e-16***
timePeriod:Region 489.70 5 <2.2e-16***