Research Article

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 nameAverage number1Max.21%
NA3
ImportanceStandard deviation

Wad As-Saqia Al Hamra à La’youn44835579SII1/SNI708
Lagunes de Sidi Moussa-Walidia15718006SII1/SNI471
Merja Zerga832009SII1/SNI49
STEU Guelmim91917482SII2/SNI830
Barrage Moulay Abdellah4999971SII2/SNI499
Barrage Hassan Ad-Dakhil1883392SII2/SNI106
Sebkha Zima1489503SII2/SNI185
Merja de Fouwarate1194007SII2/SNI107
Merja de Sidi Bou Ghaba7414003SII2/SNI302
Barrage Mohammed V502302SII2/SNI49
STEP Tarfaya44441SII2/SNI0
Dayet Al Fahs446362SII2/SNI125
Radier de l’Oued Assaka43752SII2/SNI32
Barrage Al Massira3619733SII2/SNI355
Barrage Hassar361282SII2/SNI48
Plage Ras Takoumba-Bou Issafine315501SII2/SPNI161
Marais de Wad Al Maleh222481SII2/SPNI86
Embouchure de Wad Massa203973SII2/SPNI101
Plage Blanche171361SII2/SPNI32
Embouchure de Wad Malwiya151421SII2/SPNI27
Embouchure de Wad Bou Issafine13601SII2/SPNI16
Embouchure de Wad Assaka13521SII2/SPNI15
Marais du bas Loukkos11822SII2/SPNI18
Dayet Taras El Ghoul83501SII2/SPNI76
Daya Al Beyda6371SII2/SPNI9
Barrage Zelmou5371SII2/SPNI11

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.