American black duck Anas rubripes

                                   
                                                                                
                                                                                
Area|--------1966-1994 trends--------| |--1966-1979---||--1980-1994---|         
     Trend  P    N  (  95% CI  )  R.A.  Trend   P    N  Trend   P    N          
ME     8.5  **   24   0.8  16.1   0.34  -16.5  ***    5  10.0        21         
NB     5.0       20  -6.7  16.7   0.95    3.1   **   14   5.4        13         
NH     2.7       15  -7.3  12.6   0.35   -1.9        12   5.8         9         
NY    -7.3   *   22 -15.8   1.2   0.18  -16.9  ***   13  -2.5        14         
NS    -8.2   *   15 -16.5   0.1   0.46  -13.2  ***   10  -1.9        11         
ONT   -1.4       24  -8.1   5.3   0.22    9.0        17   3.0        11         
QUE   -3.8       25 -13.1   5.5   0.30    0.4        13   7.6        18         
S04   -2.3       19  -8.6   4.0   0.27    1.5        14  -2.2  ***    9         
S12   -5.3       23 -12.0   1.4   0.47   -5.8        17   3.8         9         
S18    4.0       20  -4.0  11.9   0.36   -9.0        15  97.6        11         
S27   10.7 ***   28   2.8  18.6   0.46   -3.1        15  15.4   **   18         
S28   -1.4       79  -4.5   1.6   0.35    8.5    *   50  -2.1        54         
EA    -1.8      222  -4.4   0.8   0.25    2.4       143   2.9       126         
RE3  -17.6 ***   14 -23.8 -11.4   0.03  -18.7  ***    7    .0         0         
RE5   -1.0      120  -4.3   2.4   0.22   -9.6  ***   77   3.4        66         
US    -3.8 ***  135  -6.6  -1.0   0.12   -8.4  ***   85   2.3        70         
CAN   -1.5       89  -5.0   2.0   0.30    3.8        58   3.1        57         
SUR   -1.8      224  -4.6   1.0   0.23    2.1       143   3.0       127         

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