Table 3 Human footprint indices in 1993 and 2009 for the breeding and wintering ranges including the western, central and eastern breeding regions and the Cauca-Magdalena and Piedmont wintering regions in Colombia.

From: Drivers of demographic decline across the annual cycle of a threatened migratory bird

Region

1993

2009

% change

Western

1.354

1.122

−17.0

Central

1.890

1.760

−6.9

Eastern

8.922

9.083

2.3

Breeding range

5.446

5.451

0.11

Cauca/Magdalena

8.486

9.434

11.2

Piedmont

4.673

5.728

22.6

Wintering range

5.434

6.203

14.0