Distribution and Numbers of Three Globally Threatened Waterbird Species Wintering in Morocco: The Common Pochard, Marbled Teal, and White-Headed Duck
Table 3
Most important wintering sites of the Marbled Teal (2010–2019).
Site name
Average number1
Max.2
1% NA3
Importance
Standard deviation
Wad As-Saqia Al Hamra à La’youn
448
3557
9
SII1/SNI
708
Lagunes de Sidi Moussa-Walidia
157
1800
6
SII1/SNI
471
Merja Zerga
83
200
9
SII1/SNI
49
STEU Guelmim
919
1748
2
SII2/SNI
830
Barrage Moulay Abdellah
499
997
1
SII2/SNI
499
Barrage Hassan Ad-Dakhil
188
339
2
SII2/SNI
106
Sebkha Zima
148
950
3
SII2/SNI
185
Merja de Fouwarate
119
400
7
SII2/SNI
107
Merja de Sidi Bou Ghaba
74
1400
3
SII2/SNI
302
Barrage Mohammed V
50
230
2
SII2/SNI
49
STEP Tarfaya
44
44
1
SII2/SNI
0
Dayet Al Fahs
44
636
2
SII2/SNI
125
Radier de l’Oued Assaka
43
75
2
SII2/SNI
32
Barrage Al Massira
36
1973
3
SII2/SNI
355
Barrage Hassar
36
128
2
SII2/SNI
48
Plage Ras Takoumba-Bou Issafine
31
550
1
SII2/SPNI
161
Marais de Wad Al Maleh
22
248
1
SII2/SPNI
86
Embouchure de Wad Massa
20
397
3
SII2/SPNI
101
Plage Blanche
17
136
1
SII2/SPNI
32
Embouchure de Wad Malwiya
15
142
1
SII2/SPNI
27
Embouchure de Wad Bou Issafine
13
60
1
SII2/SPNI
16
Embouchure de Wad Assaka
13
52
1
SII2/SPNI
15
Marais du bas Loukkos
11
82
2
SII2/SPNI
18
Dayet Taras El Ghoul
8
350
1
SII2/SPNI
76
Daya Al Beyda
6
37
1
SII2/SPNI
9
Barrage Zelmou
5
37
1
SII2/SPNI
11
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 (3.070) is exceeded.