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. 2016 Apr 28;2016:2572056. doi: 10.1155/2016/2572056

Table 2.

Summary statistics on 4JC circles ever reporting a Regal Fritillary and all counts reported from those circles, by geographic scope.

North America Main range Core range
N circles with Regal Fritillary reported 60 57 54
N counts reported from those circles 719 669 646
Total Regal individuals reported 21,783 21,778 21,755
Total party-hours in these circles 7237.59 6590.66 6064.66
N counts reporting Regal present 279 275 271
Median N years reported per circle 12 11 11.5
Median first year held 1993 1993 1993
Median last year held 2012 2012 2012
N counts from all circles in region 10,333 4751 1509