Site | Maximum count | Date recorded | Season | References |
---|---|---|---|---|
Lianyungang | 22,432 | 13 May 2019 | NM | Yang et al. (2019) |
Lianyungang | 6537 | 4 August 2020 | SM | This study |
North Bohai Bay (Shi Jiu He/Daqing He, Hebei) | 1100 | 12 May 1994 | NM | Barter (2002) |
North Bohai Bay (Luannan, Hebei) | 1754 | 8 May 2017 | NM | Hassell et al. (2019) |
North-west Bohai Bay (Tianjin coast) | 966 | 10‒14 May 2000 | NM | Barter et al. (2001) |
North-west Bohai Bay (Tianjin coast) | 420 | 1 August 2010 | SM | Conklin et al. (2014) |
North-west Bohai Bay (Tanggu, Tianjin coast) | 1447 | 17 July 2009 | SM | This study |
Bohai Bay | 1153 | 2 May 2002 | NM | Barter et al. (2003) |
Yancheng (coast between Zhou Gang and Dou Long Gang) | 840 | Between 22 April and 3 May 2001 | NM | Barter (2002) |
Yancheng (Dongsha Shoals) | 664 | May 1996 | NM | Wang and Barter (1998) |
Yancheng (Dongsha Shoals) | 1320 | 1 September 1997 | SM | Wang and Barter (1998) |
Deep Bay (incl. Mai Po and Futian) | 540 | 2 May 2003 | NM | Yu et al. (2004) |