| Titre : | Ecology, Environment and Conservation 27(May Suppl. Issue) - May, 2021 |
| Type de document : | Bulletin |
| Paru le : | 01/05/2021 |
Dépouillements
Article
Azarnia Sabah, Auteur ;
Ziane Nadia, Auteur ;
Benyacoub Slim, Auteur
The monitoring of the numbers of Eurasian wigeon and gadwall ducks during two winter cycles (2014/ 2015 and 2015/2016) at Lake Tonga, shows that Eurasian wigeon is an early overwinter; this duck is very sensitive to the cold wave. . The gadwall [...]



