Distribution and Numbers of Three Globally Threatened Waterbird Species Wintering in Morocco: The Common Pochard, Marbled Teal, and White-Headed Duck
Table 2
Most important wintering sites of the Common Pochard (2010–2019).
Site name
Average number1
Max.2
1% NA3
Importance
Standard deviation
Barrage Hassan Ad-Dakhil
850
1700
1
SNI/SII2
530
Barrage Mohammed V
626
15600
2
SNI/SII2
3816
Merja de Sidi Bou Ghaba
514
1200
8
SNI/SII2
258
Aguelmam Afennourir
468
2600
4
SNI/SII2
624
Merja de Wad Fouwarate
413
1000
8
SNI/SII2
308
Barrage Wad Al Makhazine
317
1101
3
SNI/SII2
345
Barrage de Smir
312
1689
4
SNI/SII2
462
Sadd Al Ajras
305
305
1
SNI/SII2
98
Barrage Asfalou
300
300
1
SNI/SII2
0
Aguelmam Abekhane
296
855
2
SNI/SII2
200
Barrage Al Massira
256
7038
3
SNI/SII2
1853
Aguelmam N’Tifounassine
227
652
1
SNI/SII2
145
Merja Zerga
210
1800
2
SNI/SII2
324
Barrage Hassan II
186
1100
2
SNI/SII2
327
Dayet Ifrah
180
860
3
SNI/SII2
218
Aguelmams Sidi Ali-Ta’nzoult
172
1700
4
SNI/SII2
360
Barrage Mechra’ Hommadi
126
290
2
SNI/SII2
82
Barrage Enjil
124
690
3
SNI/SII2
179
Barrage Oued Rmel
124
160
2
SNI/SII2
37
Dayet ‘Awa
122
1030
3
SNI/SII2
192
Embouchure de Wad Malwiya
104
224
5
SNI/SII2
67
Barrage Moulay Youssef
94
114
1
SNI/SII2
43
Merja Bargha
89
1590
4
SNI/SII2
323
Marais de Wad Smir
87
391
3
SNI/SII2
83
Barrage Sahla
85
164
1
SNI/SII2
80
Barrage Al Wahda
84
283
1
SNI/SII2
117
Barrage Hassar
74
148
3
SPNI/SII2
60
Mlalah du Bas Tahaddart
69
480
1
SPNI/SII2
96
Barrage Kheng El Hda
67
200
4
SPNI/SII2
61
Barrage Petit Tizil
52
250
2
SPNI/SII2
79
Dayet Hachlaf
45
163
1
SPNI/SII2
56
Barrage Zelmou
38
159
1
SPNI/SII2
44
Barrage’Arabat
38
94
1
SPNI/SII2
40
Barrage Idriss Premier
34
570
1
SPNI/SII2
156
Marais du bas Loukkos
34
410
1
SPNI/SII2
83
Merja des Wlad Khallouf
30
240
1
SPNI/SII2
53
Merja Al Halloufa
25
680
2
SPNI/SII2
220
Embouchure de Wad Massa
23
3330
1
SPNI/SII2
832
Merja des Wlad Skher
23
650
2
SPNI/SII2
143
Lagunes de Sidi Moussa-Walidia
16
2500
1
SPNI/SII2
431
Sebkha Bou Areg
12
406
1
SPNI/SII2
109
1The average (mean) of the species’ annual numbers counted in a site (their sum is divided by the number of years the site was censused). 2Maximum wintering number observed in a site since its first year of census. 3Number of winters during which 1% of the national average (7.496) is exceeded.