Black tern Chlidonias niger

                                   
                                                                                
                                                                                
Area|--------1966-1994 trends--------| |--1966-1979---||--1980-1994---|         
     Trend  P    N  (  95% CI  )  R.A.  Trend   P    N  Trend   P    N          
ALB    6.1       38 -15.0  27.2   5.21    0.3        19  -0.5        34         
MAN   -5.3       19 -13.6   3.0   6.61   -8.6        10   5.0        15         
MIN   -5.3  **   33 -10.2  -0.4   1.31   -5.8    *   23  -3.0        24         
ND    -4.5  **   28  -8.9  -0.1   6.37  -13.3  ***   14   3.1        26         
ONT   -2.5       15 -18.1  13.1   0.18  -13.2  ***   10   5.3        12         
SAS   -4.0       41  -9.2   1.1   8.92   -6.8   **   25  -2.1        28         
WIS   -3.0       26  -8.1   2.1   0.64   -2.3        23   1.5        13         
S16   -8.2  **   16 -15.7  -0.6   0.32    1.4        15  -3.7         8         
S20   -2.3       18  -8.7   4.1   0.87   -7.6    *   15  -1.0        15         
S28   -5.5       17 -16.6   5.5   0.11  -15.2  ***   13   3.0         6         
S30   -1.0       70  -7.8   5.8   9.22   -5.5   **   33  -2.0        58         
S37   -3.3       47  -8.2   1.6   8.49  -12.5  ***   31   8.2        39         
S38   -6.4       21 -14.5   1.8   2.26   -3.5        15  -5.5   **   15         
S40   -5.2       24 -12.5   2.1   1.49   -7.1        16  -0.7        18         
EA    -5.8 ***   64  -9.7  -2.0   0.23   -7.9  ***   52   0.2        37         
CE    -5.0 ***   93  -8.3  -1.7   2.70  -13.0  ***   58   2.7        75         
WE    -0.5      113  -7.2   6.3   2.64   -4.5    *   62  -0.3        86         
RE1    1.7       17 -13.3  16.8   0.40   -5.6   **   10  14.5    *   11         
RE3   -5.4 ***   68  -8.8  -2.1   0.62   -5.0   **   54  -1.7        40         
RE6   -4.8  **   55  -8.6  -1.1   1.74  -15.7  ***   33   3.6        48         
US    -4.7 ***  141  -7.3  -2.1   1.09  -11.7  ***   98   3.6        99         
CAN   -1.3      129  -7.1   4.5   2.76   -5.7   **   74  -0.5        99         
SUR   -2.1      270  -6.1   2.0   1.88   -7.6  ***  172   0.1       198         

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